Leads development of AI-powered code transformation tools to modernize legacy apps into scalable MongoDB microservices. Requires 8+ years experience with relational DBs, GenAI/LLMs integration, and architectural leadership.
Leads development of marketplace middleware using C#/.NET, event-driven systems (Kafka/RabbitMQ), and CQRS patterns. Mentors engineers, designs scalable APIs, and ensures high availability in fintech environment. Requires 8+ years experience and bachelor's degree.
Leads development of marketplace middleware using C#/.NET, event-driven systems (Kafka/RabbitMQ), and CQRS patterns. Mentors engineers, designs scalable APIs, and ensures high availability in fintech environment. Requires 8+ years experience and bachelor's degree.
Leads design, implementation, and maintenance of marketplace middleware using C#/.NET, event-driven systems like Kafka, and CQRS patterns. Mentors engineers, ensures high code quality, and drives scalable fintech solutions with 8+ years experience.
209k – 240k/yr
Hybrid8+ YOEBackend Engineering
Staff Software Engineer - Core Experience
RipplingSan Francisco, CA +1
Builds backend systems powering onboarding, self-serve purchasing, and shared platform primitives for Rippling's Core Experience team. Requires 8+ years backend experience, systems thinking for scale, and full-stack ownership in Python/Go/Java with SQL/NoSQL.
Salary not listed
Hybrid8+ YOEBackend Engineering
Senior Software Engineer, Feature Store
RedisUnited States
Leads technical vision and execution for the Feature Store platform, building scalable ML infrastructure with low-latency serving. Requires 5+ years backend experience, expertise in Python/Go/Rust, cloud platforms, and data tools for enterprise customers.
197k – 246k/yr
Remote5+ YOEBackend Engineering
Software Engineer (Backend, Distributed Systems)
CensysSeattle, WA +2
Builds scalable backend services, APIs, and tooling for distributed systems processing massive internet datasets. Requires 3+ years experience with Go, cloud providers, message queues, and databases.
120k – 169k/yr
Remote3+ YOEBackend Engineering
Staff Software Engineer, Backend
CreditgenieNew York, NY +3
Designs, builds, and scales high-performance backend systems for fintech products, owning architecture to deployment. Leads technical decisions and collaborates cross-functionally, requiring 8+ years in distributed systems and security expertise.
190k – 250k/yr
On-site8+ YOEBackend Engineering
Sr. Staff Software Engineer, Merchants
PinterestSan Francisco, CA +1
Leads engineering for merchant commerce platforms, focusing on catalog systems, AI/ML integrations, and onboarding to drive growth and efficiency. Requires 10+ years experience in large-scale systems, commerce domains, and AI-adjacent tech, plus bachelor's or equivalent.
245k – 429k/yr
Hybrid10+ YOEBackend Engineering
Staff Software Engineer, Agent Platform
ReplitFoster City, CA
Build high-throughput backend services, collaborative multiplayer systems for AI agents, and full-stack infrastructure to enhance the Agent platform. Requires 5+ years in backend/systems engineering with full-stack experience preferred.
250k – 365k/yr
Hybrid5+ YOEBackend Engineering
Member of Technical Staff - X Money
xAINew York, NY +1
Software Engineer on X Money team building scalable backend microservices and full-stack features for a global payment network serving 600M+ users. Requires 2+ years in large-scale consumer apps, proficiency in Rust/Go/Python/Java, and distributed systems expertise.
180k – 440k/yr
On-siteBackend Engineering
Staff Software Engineer, Lending Products
ParafinSan Francisco, CA
Leads technical design and evolution of platforms powering lending products, partnering cross-functionally to build scalable infrastructure. Requires 8+ years backend experience, strong architecture skills, and ability to mentor engineers.
265k – 330k/yr
Hybrid8+ YOEBackend Engineering
Founding Software Engineer
Avallon AINew York, NY
Builds and owns core agent execution platform for AI systems automating insurance tasks, including tool orchestration, reliability infrastructure, evals, and developer tools. Requires 4+ years experience with TypeScript/SQL in regulated environments; NYC-based.
150k – 200k/yr
On-site4+ YOEBackend Engineering
Staff Software Engineer, Sponsored Results
ZocdocNew York, NY
Leads design and architecture of backend services, APIs, and model-serving systems for Zocdoc's Sponsored Results platform. Optimizes data pipelines, collaborates with product/data teams, mentors engineers, and drives scalability in ML/advertising domains.
180k – 265k/yr
HybridBackend Engineering
Software Engineer, Foundations Retrieval
OpenAISan Francisco, CA
Software Engineer building and scaling retrieval infrastructure for AI models, including indexing, serving, and query execution systems. Partners with researchers to productionize embedding techniques and supports agentic workflows across OpenAI products.
380k – 555k/yr
On-siteBackend Engineering
Mid-Level Software Developer with C++ and Javascript
Black Canyon ConsultingBethesda, MD
Develops, tests, and maintains NCBI Taxonomy software systems using C++ and JavaScript. Collaborates with scientists and bioinformaticians in a Linux/distributed environment; requires BS in CS and 3+ years experience.
Salary not listed
On-site3+ YOEBackend Engineering
Backend Engineer, API
PylonPalo Alto, CA +1
Builds and maintains a production GraphQL API modeling complex, nonlinear mortgage processes. Designs event-driven systems, semantic models, and developer-friendly abstractions using TypeScript, NestJS, and Temporal.io.
130k – 220k/yr
HybridBackend Engineering
Backend Engineer, Underwriting
PylonPalo Alto, CA +1
Builds backend systems to automate mortgage underwriting by encoding regulatory rules into precise, AI-enhanced code. Collaborates with experts using TypeScript, NestJS, GraphQL, and custom DSLs for high-stakes lending decisions.
130k – 220k/yr
HybridBackend Engineering
Backend Engineer, Integrations
PylonPalo Alto, CA +1
Build and maintain integrations connecting the mortgage platform to external partners like credit bureaus, title companies, and insurance providers using TypeScript, NestJS, and diverse APIs. Own solutions end-to-end on a high-impact project requiring self-direction and versatility.
140k – 220k/yr
HybridBackend Engineering
Staff Software Engineer
NexHealthSeattle, WA +1
Staff engineer scales data processing/storage from terabytes to petabytes, builds real-time EHR integrations, and drives core system improvements for 100x growth. Requires 8+ years building scalable backend platforms with Kubernetes, AWS, PostgreSQL, and DevOps expertise.
182k – 240k/yr
On-site8+ YOEBackend Engineering
Senior Staff Software Engineer
NexHealthSan Francisco, CA
Senior Staff Software Engineer scales data processing/storage from terabytes to petabytes, builds real-time EHR integrations, and drives core system improvements for 100x growth. Requires 10+ years building scalable back-end platforms with Kubernetes, AWS, PostgreSQL, and DevOps expertise.
206k – 268k/yr
On-site10+ YOEBackend Engineering
Senior Software Engineer
NexHealthSeattle, WA +1
Build and scale backend systems for healthcare API platform, including real-time EHR integrations, data lakes from TB to PB scale, and core infrastructure for 100x growth using Kubernetes, AWS, and PostgreSQL. Requires 5+ years experience in scalable platforms with strong systems thinking.
165k – 230k/yr
On-site5+ YOEBackend Engineering
Lead Software Engineer - Universal Search
Mark43United States
Leads development and scaling of universal search platform integrating third-party data for public safety products like RMS and CAD. Requires 8+ years experience in Java backend, React/TypeScript full-stack, AWS services, and event-driven architectures.
Salary not listed
Remote8+ YOEBackend Engineering
Senior Backend Engineer
DuckDuckGoUnited States
Leads complex backend projects using Perl, Go, and Node.js to enhance privacy-focused search and AI features. Requires 7+ years backend experience, AI tooling familiarity, strong algorithms knowledge, and mentoring skills.
179k – 179k/yr
Remote7+ YOEBackend Engineering
Staff, Backend Engineer - Catalog
AcryldataPalo Alto, CA
Leads development of DataHub's platform framework, building scalable metadata ingestion systems, APIs, event-driven processing, schema mapping, and AI asset versioning. Requires 8+ years in distributed systems, advanced Python/API expertise, and high-scale data processing experience.
Develops and optimizes enterprise search infrastructure using NLP, RAG, vector databases, and ranking algorithms. Requires 5+ years in search/recommendation systems, Master's in CS, expertise in Python/C++ and LLMs.
185k – 230k/yr
On-site5+ YOEBackend Engineering
Senior C++ Engineer – Simulation Infrastructure
AvrideAustin, TX
Builds high-performance C++ simulation infrastructure for autonomous driving testing, ensuring reproducibility and efficiency at scale. Requires 5+ years experience with modern C++, system optimization, and distributed environments.
Salary not listed
On-site5+ YOEBackend Engineering
Backend Engineer, Marketplace
MercorSan Francisco, CA +1
Builds backend systems for marketplace matching, search, allocation, and workflows using Python/Go. Requires experience with reliable high-throughput APIs, distributed systems, and data modeling to optimize fill rates and performance.
130k – 500k/yr
On-siteBackend Engineering
Software Engineer, Foundations
HexSan Francisco, CA +1
Builds and evolves core backend infrastructure including APIs, realtime transport, storage frameworks, and job orchestration systems at Hex. Requires 5+ years backend experience with TypeScript/Node.js, SQL, and shared systems expertise.
215k – 270k/yr
Remote5+ YOEBackend Engineering
Software Engineer, Backend (Product)
HexSan Francisco, CA +1
Backend-leaning product engineer building AI analytics platform features like APIs, CLI, MCP, and access control systems. Requires 5+ years experience with complex systems, enterprise integrations, and remote collaboration.
198k – 265k/yr
Remote5+ YOEBackend Engineering
Senior / Staff Software Engineer (AI Agents)
Actively AISan Francisco, CA
Builds scalable backend systems powering AI agents that reason over real-time data, orchestrate workflows with human-in-the-loop, and ensure high reliability at enterprise scale. Requires deep Python expertise, event-driven architecture experience, and familiarity with streaming tech and AI infrastructure.
180k – 220k/yr
On-siteBackend Engineering
Senior / Staff Software Engineer (AI Agents)
Actively AINew York, NY
Builds scalable backend systems and AI agents that reason over real-time data, orchestrate workflows with human-in-the-loop, and ensure high reliability at enterprise scale. Requires deep Python expertise and experience with event-driven architectures.
180k – 220k/yr
On-siteBackend Engineering
Senior Backend Engineer
PhonelySan Francisco, CA
Builds and maintains Python-based state systems and microservices for real-time voice AI agents, integrating LLMs and ensuring high availability. Requires 5+ years Python experience with async web apps, FastAPI, AWS, and Kubernetes.
200k – 350k/yr
On-site5+ YOEBackend Engineering
Senior Software Engineer, Control Plane
SentrySan Francisco, CA
Designs and operates control plane infrastructure for customer management, routing, and replication in Sentry's multi-cell architecture. Requires 5+ years experience with Python, distributed systems, cloud platforms, and container orchestration.
190k – 280k/yr
Hybrid5+ YOEBackend Engineering
Senior Staff Software Engineer, Storage
CrusoeSan Francisco, CA
Leads architectural vision and multi-year roadmap for AI-scale cloud storage systems, bridging NVMe hardware to distributed object stores. Requires 12+ years in distributed systems, systems programming in C/C++/Go/Rust, and deep storage protocol expertise.
240k – 310k/yr
On-site12+ YOEBackend Engineering
Staff Software Engineer, Storage
CrusoeSan Francisco, CA
Leads architectural vision and strategy for AI-scale cloud storage systems, bridging NVMe hardware to distributed object stores. Requires 12+ years in distributed systems, system programming in C/C++/Rust/Go, and deep storage protocol expertise.
240k – 310k/yr
On-site12+ YOEBackend Engineering
Senior Software Engineer, Cloud Data Storage
TemporalUnited States
Designs and builds scalable distributed cloud data storage systems, ensuring durability, reliability, and performance for petabyte-scale workflow history. Requires 5+ years in distributed systems with Go/Java and AWS experience, plus technical leadership.
176k – 238k/yr
Remote5+ YOEBackend Engineering
Staff+ Software Engineer, Backend
AnthropicSan Francisco, CA +2
Staff backend engineer owns scalable systems for Anthropic's API, Claude.ai, and developer tools across teams like API Core and Enterprise Foundations. Requires 8+ years experience leading complex projects, distributed systems, and cross-team alignment in fast-paced AI environment.
405k – 485k/yr
Hybrid8+ YOEBackend Engineering
Senior Member of Technical Staff
AnteriorNew York, NY +1
Senior engineer owning end-to-end problems in backend services, APIs, data pipelines, and AWS infrastructure for an AI-powered healthcare platform. Drives system design, reliability, and customer integrations with depth in scalable systems.
230k – 300k/yr
On-siteBackend Engineering
Product Engineer (Back-End Leaning)
EveSan Mateo, CA
Builds and owns AI-native backend-heavy features for legal tech platform, collaborating with designers and ML teams to drive product direction from customer feedback. Requires strong distributed systems expertise and rapid iteration skills.
195k – 300k/yr
HybridBackend Engineering
Software Engineer
Just AppraisedUnited States
Builds and operates API platforms and shared backend systems to power products, focusing on high availability, developer experience, and scalability using Java, Kotlin, GraphQL, AWS, and modern AI tools.
Salary not listed
RemoteBackend Engineering
Lead Rust Software Engineer
MachinifyUnited States
Leads Rust development on the Subrogate team, building scalable web applications with ML integration, mentoring on Rust best practices, and architecting reliable systems impacting healthcare outcomes. Requires 10+ years backend experience and expertise in Rust plus Java, TypeScript, JavaScript, Scala.
210k – 250k/yr
Remote10+ YOEBackend Engineering
Sr. Integrations Developer, Workday HCM
SnowflakeDublin, CA +1
Designs, builds, and maintains Workday HCM integrations with third-party systems and Snowflake's platform for seamless people data flow. Requires 8+ years of Workday integration experience with tools like Studio, EIB, APIs, and proficiency in XML/JSON.
156k – 205k/yr
Hybrid8+ YOEBackend Engineering
Senior Software Engineer, Backend - Spend Product
RipplingNew York, NY
Build and own core backend services and APIs for Rippling's Spend Product, powering corporate cards, expenses, bill pay, and travel with real-time controls. Requires 5+ years in Python/Go, distributed systems expertise, and scale experience.
Salary not listed
Hybrid5+ YOEBackend Engineering
Senior/Staff Backend Engineer, Finance
ForaNew York, NY
Senior/Staff Backend Engineer building and scaling advisor payment systems, including booking ingestion, commission collection, payouts, reconciliation, and fintech integrations using Python and distributed systems.
155k – 225k/yr
Hybrid5+ YOEBackend Engineering
Software Engineer, Backend (Platform)
HexNew York, NY
Builds and maintains core compute platform for code execution, SQL querying, and data processing in collaborative notebook interface. Requires 6+ years experience with Python, SQL, data systems, and performance optimization.
198k – 295k/yr
Remote6+ YOEBackend Engineering
Software Engineer, Model Routing & Inference
CursorNew York, NY +1
Build the inference platform powering all AI interactions, focusing on high-throughput, low-latency distributed systems for model routing, failover, and cost/performance optimization at massive scale. Requires strong engineering fundamentals for production systems handling millions of requests.
Salary not listed
On-siteBackend Engineering
Software Engineer, Core Services
CursorSan Francisco, CA +1
Builds and owns core backend services like auth, webhooks, and agent workflow infrastructure for a developer AI coding tool. Requires strong experience in scalable backend systems, reliability, and clean abstractions.
Builds and scales core backend systems powering sleep, strain, recovery metrics, and ecosystem partnerships using Java, Kafka, Postgres, and AWS. Leads technical planning, mentors engineers, and ensures high performance and reliability.
Salary not listed
On-siteBackend Engineering
Software Engineer III
CapacityUnited States
Leads development of advanced speech recognition, NLP, and biometrics software using C++ and Golang in cloud-native Linux/Docker environments. Requires 5+ years experience with multithreaded coding, DevOps, and cloud platforms like AWS.
115k – 140k/yr
Remote5+ YOEBackend Engineering
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Staff Engineer, Code Generation
MongoDBUnited States
Leads development of AI-powered code transformation tools to modernize legacy apps into scalable MongoDB microservices. Requires 8+ years experience with relational DBs, GenAI/LLMs integration, and architectural leadership.
Leads development of marketplace middleware using C#/.NET, event-driven systems (Kafka/RabbitMQ), and CQRS patterns. Mentors engineers, designs scalable APIs, and ensures high availability in fintech environment. Requires 8+ years experience and bachelor's degree.
Leads development of marketplace middleware using C#/.NET, event-driven systems (Kafka/RabbitMQ), and CQRS patterns. Mentors engineers, designs scalable APIs, and ensures high availability in fintech environment. Requires 8+ years experience and bachelor's degree.
Leads design, implementation, and maintenance of marketplace middleware using C#/.NET, event-driven systems like Kafka, and CQRS patterns. Mentors engineers, ensures high code quality, and drives scalable fintech solutions with 8+ years experience.
209k – 240k/yr
Hybrid8+ YOEBackend Engineering
Staff Software Engineer - Core Experience
RipplingSan Francisco, CA +1
Builds backend systems powering onboarding, self-serve purchasing, and shared platform primitives for Rippling's Core Experience team. Requires 8+ years backend experience, systems thinking for scale, and full-stack ownership in Python/Go/Java with SQL/NoSQL.
Salary not listed
Hybrid8+ YOEBackend Engineering
Senior Software Engineer, Feature Store
RedisUnited States
Leads technical vision and execution for the Feature Store platform, building scalable ML infrastructure with low-latency serving. Requires 5+ years backend experience, expertise in Python/Go/Rust, cloud platforms, and data tools for enterprise customers.
197k – 246k/yr
Remote5+ YOEBackend Engineering
Software Engineer (Backend, Distributed Systems)
CensysSeattle, WA +2
Builds scalable backend services, APIs, and tooling for distributed systems processing massive internet datasets. Requires 3+ years experience with Go, cloud providers, message queues, and databases.
120k – 169k/yr
Remote3+ YOEBackend Engineering
Staff Software Engineer, Backend
CreditgenieNew York, NY +3
Designs, builds, and scales high-performance backend systems for fintech products, owning architecture to deployment. Leads technical decisions and collaborates cross-functionally, requiring 8+ years in distributed systems and security expertise.
190k – 250k/yr
On-site8+ YOEBackend Engineering
Sr. Staff Software Engineer, Merchants
PinterestSan Francisco, CA +1
Leads engineering for merchant commerce platforms, focusing on catalog systems, AI/ML integrations, and onboarding to drive growth and efficiency. Requires 10+ years experience in large-scale systems, commerce domains, and AI-adjacent tech, plus bachelor's or equivalent.
245k – 429k/yr
Hybrid10+ YOEBackend Engineering
Staff Software Engineer, Agent Platform
ReplitFoster City, CA
Build high-throughput backend services, collaborative multiplayer systems for AI agents, and full-stack infrastructure to enhance the Agent platform. Requires 5+ years in backend/systems engineering with full-stack experience preferred.
250k – 365k/yr
Hybrid5+ YOEBackend Engineering
Member of Technical Staff - X Money
xAINew York, NY +1
Software Engineer on X Money team building scalable backend microservices and full-stack features for a global payment network serving 600M+ users. Requires 2+ years in large-scale consumer apps, proficiency in Rust/Go/Python/Java, and distributed systems expertise.
180k – 440k/yr
On-siteBackend Engineering
Staff Software Engineer, Lending Products
ParafinSan Francisco, CA
Leads technical design and evolution of platforms powering lending products, partnering cross-functionally to build scalable infrastructure. Requires 8+ years backend experience, strong architecture skills, and ability to mentor engineers.
265k – 330k/yr
Hybrid8+ YOEBackend Engineering
Founding Software Engineer
Avallon AINew York, NY
Builds and owns core agent execution platform for AI systems automating insurance tasks, including tool orchestration, reliability infrastructure, evals, and developer tools. Requires 4+ years experience with TypeScript/SQL in regulated environments; NYC-based.
150k – 200k/yr
On-site4+ YOEBackend Engineering
Staff Software Engineer, Sponsored Results
ZocdocNew York, NY
Leads design and architecture of backend services, APIs, and model-serving systems for Zocdoc's Sponsored Results platform. Optimizes data pipelines, collaborates with product/data teams, mentors engineers, and drives scalability in ML/advertising domains.
180k – 265k/yr
HybridBackend Engineering
Software Engineer, Foundations Retrieval
OpenAISan Francisco, CA
Software Engineer building and scaling retrieval infrastructure for AI models, including indexing, serving, and query execution systems. Partners with researchers to productionize embedding techniques and supports agentic workflows across OpenAI products.
380k – 555k/yr
On-siteBackend Engineering
Mid-Level Software Developer with C++ and Javascript
Black Canyon ConsultingBethesda, MD
Develops, tests, and maintains NCBI Taxonomy software systems using C++ and JavaScript. Collaborates with scientists and bioinformaticians in a Linux/distributed environment; requires BS in CS and 3+ years experience.
Salary not listed
On-site3+ YOEBackend Engineering
Backend Engineer, API
PylonPalo Alto, CA +1
Builds and maintains a production GraphQL API modeling complex, nonlinear mortgage processes. Designs event-driven systems, semantic models, and developer-friendly abstractions using TypeScript, NestJS, and Temporal.io.
130k – 220k/yr
HybridBackend Engineering
Backend Engineer, Underwriting
PylonPalo Alto, CA +1
Builds backend systems to automate mortgage underwriting by encoding regulatory rules into precise, AI-enhanced code. Collaborates with experts using TypeScript, NestJS, GraphQL, and custom DSLs for high-stakes lending decisions.
130k – 220k/yr
HybridBackend Engineering
Backend Engineer, Integrations
PylonPalo Alto, CA +1
Build and maintain integrations connecting the mortgage platform to external partners like credit bureaus, title companies, and insurance providers using TypeScript, NestJS, and diverse APIs. Own solutions end-to-end on a high-impact project requiring self-direction and versatility.
140k – 220k/yr
HybridBackend Engineering
Staff Software Engineer
NexHealthSeattle, WA +1
Staff engineer scales data processing/storage from terabytes to petabytes, builds real-time EHR integrations, and drives core system improvements for 100x growth. Requires 8+ years building scalable backend platforms with Kubernetes, AWS, PostgreSQL, and DevOps expertise.
182k – 240k/yr
On-site8+ YOEBackend Engineering
Senior Staff Software Engineer
NexHealthSan Francisco, CA
Senior Staff Software Engineer scales data processing/storage from terabytes to petabytes, builds real-time EHR integrations, and drives core system improvements for 100x growth. Requires 10+ years building scalable back-end platforms with Kubernetes, AWS, PostgreSQL, and DevOps expertise.
206k – 268k/yr
On-site10+ YOEBackend Engineering
Senior Software Engineer
NexHealthSeattle, WA +1
Build and scale backend systems for healthcare API platform, including real-time EHR integrations, data lakes from TB to PB scale, and core infrastructure for 100x growth using Kubernetes, AWS, and PostgreSQL. Requires 5+ years experience in scalable platforms with strong systems thinking.
165k – 230k/yr
On-site5+ YOEBackend Engineering
Lead Software Engineer - Universal Search
Mark43United States
Leads development and scaling of universal search platform integrating third-party data for public safety products like RMS and CAD. Requires 8+ years experience in Java backend, React/TypeScript full-stack, AWS services, and event-driven architectures.
Salary not listed
Remote8+ YOEBackend Engineering
Senior Backend Engineer
DuckDuckGoUnited States
Leads complex backend projects using Perl, Go, and Node.js to enhance privacy-focused search and AI features. Requires 7+ years backend experience, AI tooling familiarity, strong algorithms knowledge, and mentoring skills.
179k – 179k/yr
Remote7+ YOEBackend Engineering
Staff, Backend Engineer - Catalog
AcryldataPalo Alto, CA
Leads development of DataHub's platform framework, building scalable metadata ingestion systems, APIs, event-driven processing, schema mapping, and AI asset versioning. Requires 8+ years in distributed systems, advanced Python/API expertise, and high-scale data processing experience.
Develops and optimizes enterprise search infrastructure using NLP, RAG, vector databases, and ranking algorithms. Requires 5+ years in search/recommendation systems, Master's in CS, expertise in Python/C++ and LLMs.
185k – 230k/yr
On-site5+ YOEBackend Engineering
Senior C++ Engineer – Simulation Infrastructure
AvrideAustin, TX
Builds high-performance C++ simulation infrastructure for autonomous driving testing, ensuring reproducibility and efficiency at scale. Requires 5+ years experience with modern C++, system optimization, and distributed environments.
Salary not listed
On-site5+ YOEBackend Engineering
Backend Engineer, Marketplace
MercorSan Francisco, CA +1
Builds backend systems for marketplace matching, search, allocation, and workflows using Python/Go. Requires experience with reliable high-throughput APIs, distributed systems, and data modeling to optimize fill rates and performance.
130k – 500k/yr
On-siteBackend Engineering
Software Engineer, Foundations
HexSan Francisco, CA +1
Builds and evolves core backend infrastructure including APIs, realtime transport, storage frameworks, and job orchestration systems at Hex. Requires 5+ years backend experience with TypeScript/Node.js, SQL, and shared systems expertise.
215k – 270k/yr
Remote5+ YOEBackend Engineering
Software Engineer, Backend (Product)
HexSan Francisco, CA +1
Backend-leaning product engineer building AI analytics platform features like APIs, CLI, MCP, and access control systems. Requires 5+ years experience with complex systems, enterprise integrations, and remote collaboration.
198k – 265k/yr
Remote5+ YOEBackend Engineering
Senior / Staff Software Engineer (AI Agents)
Actively AISan Francisco, CA
Builds scalable backend systems powering AI agents that reason over real-time data, orchestrate workflows with human-in-the-loop, and ensure high reliability at enterprise scale. Requires deep Python expertise, event-driven architecture experience, and familiarity with streaming tech and AI infrastructure.
180k – 220k/yr
On-siteBackend Engineering
Senior / Staff Software Engineer (AI Agents)
Actively AINew York, NY
Builds scalable backend systems and AI agents that reason over real-time data, orchestrate workflows with human-in-the-loop, and ensure high reliability at enterprise scale. Requires deep Python expertise and experience with event-driven architectures.
180k – 220k/yr
On-siteBackend Engineering
Senior Backend Engineer
PhonelySan Francisco, CA
Builds and maintains Python-based state systems and microservices for real-time voice AI agents, integrating LLMs and ensuring high availability. Requires 5+ years Python experience with async web apps, FastAPI, AWS, and Kubernetes.
200k – 350k/yr
On-site5+ YOEBackend Engineering
Senior Software Engineer, Control Plane
SentrySan Francisco, CA
Designs and operates control plane infrastructure for customer management, routing, and replication in Sentry's multi-cell architecture. Requires 5+ years experience with Python, distributed systems, cloud platforms, and container orchestration.
190k – 280k/yr
Hybrid5+ YOEBackend Engineering
Senior Staff Software Engineer, Storage
CrusoeSan Francisco, CA
Leads architectural vision and multi-year roadmap for AI-scale cloud storage systems, bridging NVMe hardware to distributed object stores. Requires 12+ years in distributed systems, systems programming in C/C++/Go/Rust, and deep storage protocol expertise.
240k – 310k/yr
On-site12+ YOEBackend Engineering
Staff Software Engineer, Storage
CrusoeSan Francisco, CA
Leads architectural vision and strategy for AI-scale cloud storage systems, bridging NVMe hardware to distributed object stores. Requires 12+ years in distributed systems, system programming in C/C++/Rust/Go, and deep storage protocol expertise.
240k – 310k/yr
On-site12+ YOEBackend Engineering
Senior Software Engineer, Cloud Data Storage
TemporalUnited States
Designs and builds scalable distributed cloud data storage systems, ensuring durability, reliability, and performance for petabyte-scale workflow history. Requires 5+ years in distributed systems with Go/Java and AWS experience, plus technical leadership.
176k – 238k/yr
Remote5+ YOEBackend Engineering
Staff+ Software Engineer, Backend
AnthropicSan Francisco, CA +2
Staff backend engineer owns scalable systems for Anthropic's API, Claude.ai, and developer tools across teams like API Core and Enterprise Foundations. Requires 8+ years experience leading complex projects, distributed systems, and cross-team alignment in fast-paced AI environment.
405k – 485k/yr
Hybrid8+ YOEBackend Engineering
Senior Member of Technical Staff
AnteriorNew York, NY +1
Senior engineer owning end-to-end problems in backend services, APIs, data pipelines, and AWS infrastructure for an AI-powered healthcare platform. Drives system design, reliability, and customer integrations with depth in scalable systems.
230k – 300k/yr
On-siteBackend Engineering
Product Engineer (Back-End Leaning)
EveSan Mateo, CA
Builds and owns AI-native backend-heavy features for legal tech platform, collaborating with designers and ML teams to drive product direction from customer feedback. Requires strong distributed systems expertise and rapid iteration skills.
195k – 300k/yr
HybridBackend Engineering
Software Engineer
Just AppraisedUnited States
Builds and operates API platforms and shared backend systems to power products, focusing on high availability, developer experience, and scalability using Java, Kotlin, GraphQL, AWS, and modern AI tools.
Salary not listed
RemoteBackend Engineering
Lead Rust Software Engineer
MachinifyUnited States
Leads Rust development on the Subrogate team, building scalable web applications with ML integration, mentoring on Rust best practices, and architecting reliable systems impacting healthcare outcomes. Requires 10+ years backend experience and expertise in Rust plus Java, TypeScript, JavaScript, Scala.
210k – 250k/yr
Remote10+ YOEBackend Engineering
Sr. Integrations Developer, Workday HCM
SnowflakeDublin, CA +1
Designs, builds, and maintains Workday HCM integrations with third-party systems and Snowflake's platform for seamless people data flow. Requires 8+ years of Workday integration experience with tools like Studio, EIB, APIs, and proficiency in XML/JSON.
156k – 205k/yr
Hybrid8+ YOEBackend Engineering
Senior Software Engineer, Backend - Spend Product
RipplingNew York, NY
Build and own core backend services and APIs for Rippling's Spend Product, powering corporate cards, expenses, bill pay, and travel with real-time controls. Requires 5+ years in Python/Go, distributed systems expertise, and scale experience.
Salary not listed
Hybrid5+ YOEBackend Engineering
Senior/Staff Backend Engineer, Finance
ForaNew York, NY
Senior/Staff Backend Engineer building and scaling advisor payment systems, including booking ingestion, commission collection, payouts, reconciliation, and fintech integrations using Python and distributed systems.
155k – 225k/yr
Hybrid5+ YOEBackend Engineering
Software Engineer, Backend (Platform)
HexNew York, NY
Builds and maintains core compute platform for code execution, SQL querying, and data processing in collaborative notebook interface. Requires 6+ years experience with Python, SQL, data systems, and performance optimization.
198k – 295k/yr
Remote6+ YOEBackend Engineering
Software Engineer, Model Routing & Inference
CursorNew York, NY +1
Build the inference platform powering all AI interactions, focusing on high-throughput, low-latency distributed systems for model routing, failover, and cost/performance optimization at massive scale. Requires strong engineering fundamentals for production systems handling millions of requests.
Salary not listed
On-siteBackend Engineering
Software Engineer, Core Services
CursorSan Francisco, CA +1
Builds and owns core backend services like auth, webhooks, and agent workflow infrastructure for a developer AI coding tool. Requires strong experience in scalable backend systems, reliability, and clean abstractions.
Builds and scales core backend systems powering sleep, strain, recovery metrics, and ecosystem partnerships using Java, Kafka, Postgres, and AWS. Leads technical planning, mentors engineers, and ensures high performance and reliability.
Salary not listed
On-siteBackend Engineering
Software Engineer III
CapacityUnited States
Leads development of advanced speech recognition, NLP, and biometrics software using C++ and Golang in cloud-native Linux/Docker environments. Requires 5+ years experience with multithreaded coding, DevOps, and cloud platforms like AWS.