Senior Backend Engineer builds scalable microservices and APIs for document verification, integrating ML models for ID authenticity and fraud detection. Requires 5+ years experience in backend development, scalable systems, and cross-functional collaboration.

Senior Backend Software Engineer designs systems-level architecture, leads technical strategy and teams, and builds scalable backend services for financial processing, claims management, and therapist platforms using Python, FastAPI, and AWS. Requires 5+ years experience mentoring engineers.

Architects high-performance infrastructure for training large-scale neuroscience-informed AI models and RL environments. Optimizes code, resolves critical bottlenecks, and scales research prototypes to production systems.

Build and lead high-performance Golang backend services for an AI compute and PaaS platform. The role requires 8+ years of backend or infrastructure experience, distributed-systems expertise, and strong cloud-native, Kubernetes, and container orchestration skills.

Builds and owns voice platform backend services, mobile SDKs for Android/iOS, testing tooling, and AI pipelines for real-time call intelligence, carrier integrations, and VoIP at scale. Requires 3+ years experience with TypeScript/Python, Node.js, DevOps basics.

Senior backend engineer responsible for scaling ClickPipes’ real-time data onboarding platform and evolving its cloud infrastructure, deployment automation, and reliability. Requires 5+ years of backend experience plus strong Golang, Kubernetes, Terraform, and cloud-native architecture expertise.

Build and scale ClickPipes’ backend infrastructure and real-time data onboarding platform across cloud providers. The role requires 5+ years of backend experience, strong Go, Kubernetes, Terraform, distributed systems, and cloud-native architecture expertise.

Builds and optimizes backend services for high-volume workflow automation and ML infrastructure, designs data schemas, integrates third-party systems, and drives performance optimizations in a healthcare tech startup.

Leads backend development and architectural evolution for a scalable, secure securities-based lending SaaS platform. The role requires at least five years of software development experience, expertise in Java/Spring Boot or Python/Pandas, and experience with testing, CI/CD, and cloud-native technologies.

Build and operate TypeScript backend microservices for Kong’s billing platform, covering subscriptions, entitlements, usage metering, provisioning, and payment integrations. The role requires 3+ years of backend engineering experience and expertise in TypeScript, Node.js, relational databases, distributed systems, and Kubernetes.

Senior Backend Engineer builds and optimizes backend features in Django monolith for core document workflows, improves performance/reliability, and collaborates cross-functionally. Requires 5+ years backend experience, Python expertise, and engineering best practices.

Staff Backend Engineer leads development of core features in Django monolith, optimizes performance and scalability for user workflows like Scribe viewing/editing, and mentors team. Requires 8+ years backend experience with Python, database optimization, and engineering best practices.

Build agentic infrastructure for reliable AI agents including distributed execution frameworks, evaluation systems, context management, and provenance layers for enterprise-critical decisions.

Leads unification of large heterogeneous datasets for generative audio models by building scalable ingestion, entity resolution, deduplication, and enrichment systems. Collaborates with ML researchers using tools like BigQuery, Dataflow, Ray, and prepares ML-ready data formats.

Build and own backend systems, APIs, ETL pipelines, and data services powering content discovery, real-time interactions, and platform reliability at scale. Collaborate with Product, ML, and Analytics teams using Python, Go, and GCP tools.

Designs and builds scalable backend services, APIs, and infrastructure for consumer products, balancing velocity and long-term scalability. Requires 7+ years experience with Python, Go, system design, and cross-functional collaboration.

Senior Backend Engineer designs, develops, and deploys scalable distributed systems and microservices using Golang to combat identity fraud. Requires 5-7 years experience, strong problem-solving, and expertise in concurrency and RESTful APIs.

Optimizes the performance of ClickHouse’s core distributed database through query tuning, low-level systems work, regression testing, and production debugging. Requires professional C++ and Unix experience, strong database internals knowledge, and performance engineering expertise.

Develop and optimize the core ClickHouse database, focusing on distributed systems performance, query execution, testing, and production debugging. The role requires strong C++ and Linux experience, database internals knowledge, and collaboration with engineering and open-source communities.

Core software engineer responsible for optimizing ClickHouse database performance across query execution, distributed systems, caching, and low-level code. The role requires strong C++ and Unix experience, database internals knowledge, performance engineering expertise, and close collaboration with engineering and open-source communities.

Builds and scales backend infrastructure for global payments platform using NodeJS, integrates third-party services and smart contracts across blockchains, and contributes to technical roadmap for hypergrowth fintech.

Designs, builds, and maintains EVM smart contracts and backend services integrating with EVM, Solana, and Stellar for high-volume crypto-backed payments. Requires deep EVM/Solidity expertise, Node.js, 2-10+ years experience.

Leads the design and ownership of a canonical workflow DSL, including schemas, TypeScript contracts, semantic validation, static analysis, codemods, and testing. The role requires 7+ years of backend experience plus expertise in typed DSLs, APIs, and production reliability.

Build and scale edge infrastructure for Vercel's CDN, focusing on high-performance systems handling petabytes of data and billions of requests. Requires 5+ years experience, Golang proficiency, cloud expertise, and web/network knowledge.

Builds product-facing backend features, APIs, and scalable systems for fintech platform handling money movement and financial data. Requires 5+ years backend experience, API expertise, and familiarity with modern tools like AI assistants.

Build scalable backend systems for restaurant voice AI agents, integrating ML models, POS systems, and optimizing for noisy environments. Requires 4+ years backend experience, cloud infrastructure, and AI familiarity.

Build and scale Python-based backend APIs, data systems, and platform services that process high-volume transaction data. The role requires 4+ years of backend experience, strong REST and SQL skills, AWS experience, and hybrid availability in NYC.

Leads design and implementation of core money infrastructure including pricing, billing, payments, and monetization for Replit's platform. Requires 8+ years backend experience, expertise in financial systems like subscriptions or usage-based billing.

Develops and scales core optimization algorithms (MILPs, LPs, heuristics) for trucking fleet dispatch optimization. Builds production data pipelines, contributes to product direction, and engages directly with customers. Requires Python/TypeScript proficiency and fast shipping in ambiguous environments.

Backend engineer building developer tools for AI infrastructure at scale, focusing on new workflows for LLMs and diffusion models. Requires full-stack experience with Python, TypeScript, ClickHouse, and onsite work in NYC or SF.

Designs and builds scalable backend systems and distributed workflows for data governance platform. Optimizes Postgres performance, deploys microservices in Kubernetes, and mentors engineers. Requires 5+ years experience with TypeScript/Node.js.

Leads the architecture and hands-on development of internet-scale distributed systems for Rippling’s HRIS platform. The role requires 12+ years of software engineering experience, deep expertise in scalable services, APIs, storage, resiliency, observability, and technical mentorship.

Senior Backend Engineer builds and optimizes services for LangSmith's observability and evaluation platform, handling high-volume AI app monitoring. Requires 5+ years experience, Python/Go proficiency, database expertise, and performance optimization skills.

Leads multi-component projects, owns architecture and testing strategies, acts as technical leader and mentor, drives reliability improvements, and handles production incidents for backend systems.

Develop and scale Java- and Python-based applications for distributed big data processing, including APIs, automation, testing, and system optimization. The role requires strong distributed-systems experience, database knowledge, and proficiency with modern cloud and DevOps technologies.

Build and optimize the core inference platform powering frontier AI models at global scale, focusing on low-latency routing, auto-scaling, and GPU resource management. Requires 5+ years in large-scale distributed systems and expert programming skills.

Builds backend services, APIs, and data-driven features like personalization engines for Kalshi's prediction market trading platform. Requires 4+ years experience, Bachelor's in CS, Golang/Java proficiency, and REST API/database expertise.

Builds high-performance trading platform including order matching, trade execution, clearing systems, and broker integrations. Requires 4+ years experience with concurrent systems, databases, and leading large projects in a fast-paced fintech environment.

Founding engineer owns backend systems and infrastructure for document intelligence and VLM workflows, from R&D to production scale. Requires strong Python backend skills, distributed systems, and cloud/K8s expertise with full ownership mindset.

Builds and maintains backend services for crypto products, designs secure APIs and event-driven architectures for high-volume transactions, ensures scalability with platform teams. Requires 5+ years backend experience, L2 blockchains, Node.js or similar, cloud-native tech.

Build evals infrastructure and backend services for OpenAI's support automation, focusing on reliable pipelines, monitoring, and AI model integration. Requires 4+ years backend experience with Python, FastAPI, Postgres, and ML/LLM evals.

Builds and operates scalable backend services for AI-native operating system, focusing on real-time infrastructure, system reliability, and production services. Requires 5+ years experience, strong Go skills, and system design expertise.

Backend-focused Software Engineer building and operating scalable services, real-time infrastructure for AI workflows using Go. Requires 2+ years experience in backend engineering and system design.

Staff engineer owns architecture for AI agents, real-time voice, integrations, and workflows at scale. Defines technical strategy, solves high-impact problems across the stack, and mentors the team. Requires 8+ years building complex systems.

Build and maintain backend platform frameworks, libraries, and APIs to enable reliable, scalable services for GenAI applications. Requires 7+ years experience in Python backend development, distributed systems, and developer tools.

Senior backend engineer responsible for scalable services, APIs, architecture, and core live-shopping experiences. Requires a Computer Science degree, English and Mandarin proficiency, and at least five years building reliable infrastructure.

Builds and maintains highly available backend services and real-time web applications for patient communications and fault-tolerant workflows in a healthcare SaaS environment. Requires expertise in TypeScript/Python, Node.js APIs, distributed systems, and workflow orchestration like Temporal.

Leads backend development of AI-driven healthcare platform, architecting ML workflows for claims processing and care optimization. Owns end-to-end features, establishes best practices, and guides technical strategy with 5+ years experience and team leadership.

Staff Software Engineer builds scalable platforms for Workflow Studio, enabling no-code automation of business operations. Requires 7+ years experience with large-scale distributed systems and preferred expertise in Python, Golang, React, and AWS.

Leads backend engineering projects building AI-powered systems for enterprise document retrieval, collaborative workflows, multi-step planning agents, security, LLM evaluation, and data ingestion pipelines from tools like Confluence and Jira. Requires 4+ years backend experience on SaaS products, scalable systems architecture.