Build and scale backend services powering personalized customer communications across SMS, email, push, and emerging channels. Partner with marketing and data teams to deliver real-time messaging, automation, and data-driven engagement systems.

Build identity verification, access control, and monitoring systems for trusted access to advanced AI capabilities. Requires backend experience, Python/SQL proficiency, and 6+ years of experience.

Staff-level engineer building and scaling a new Identity Security Posture Management product. Owns technical vision, architecture for petabyte-scale data systems, and mentors junior engineers using Ruby on Rails.

Staff Software Engineer building and scaling a new Endpoint Security Posture Management platform from the ground up. Focus on Ruby on Rails, data pipelines, and petabyte-scale systems while mentoring junior engineers.

Backend engineer owning financial systems including transaction authorization, credit decisioning, and payment processing. Requires 5+ years building production backend systems, Go proficiency, distributed systems experience, and AI tool adoption.

Senior engineer building scalable infrastructure and AI-enabled features for Snowflake's secure multi-party data collaboration platform.

Senior engineer building and operating multi-tenant cloud storage control plane services for MongoDB Atlas. Requires 5+ years experience with Rust/C++, Kubernetes, distributed systems, and operational excellence.

Backend engineer building advertiser-facing products, distributed ad-serving systems, interactive ad experiences, campaign measurement platforms, and supporting infrastructure. Requires at least three years of software development experience and proficiency in a general-purpose programming language.

Senior backend engineer building microservices, APIs, and real-time data systems for Reddit's advertising platform. Requires 5+ years experience in Go, Python, Scala or similar languages.

Senior backend engineer building scalable microservices and developer-facing APIs for third-party integrations. Requires 3+ years backend experience, strong API and SQL skills, cloud/IaC experience, and openness to Go.

Build and maintain distributed server-side software for Kong’s AI Gateway, including LLM routing, proxying, load balancing, and semantic caching. The role requires 3+ years of server-side programming experience, Go or Rust expertise, strong Linux and networking skills, and familiarity with AI/LLM applications.

Build foundational backend and platform infrastructure for AI agents, workflow automation, evaluations, and self-healing systems across Rippling’s enterprise products. The role requires a hands-on senior engineer with strong distributed-systems fundamentals, production ownership, and the ability to work through ambiguity.

Build backend and platform infrastructure for international payments, multi-currency operations, banking integrations, and new-market launches. The role requires 5+ years of high-scale production engineering experience, strong systems design, and comfort with distributed systems and ambiguous ownership.

Senior Software Engineer building and optimizing backend services, APIs, indexing services, node infrastructure, and developer tools for the Aptos blockchain. Requires 5+ years building scalable backend systems and strong distributed systems expertise.

Staff+ engineer building the agentic infrastructure layer for claude.ai: sandboxed execution, stateful task orchestration, and secure delegated access at scale.

Senior Backend Engineer building core insurance platform services, APIs, payments/billing integrations, and internal tooling at Openly. Requires 4+ years backend experience with professional Go usage; payments experience preferred.

Leads architecture and development of scalable backend systems and real-time data pipelines powering global payroll processing. The role requires 9+ years of software engineering experience, deep distributed-systems expertise, and technical leadership across teams.

Senior backend engineer to own and optimize core exchange systems for perpetual futures, including low-latency order matching, position management, and observability at scale.

Senior Backend Engineer building and scaling AI-powered healthcare infrastructure using Python, Flask, Django, and FastAPI. Focus on production environments, reliability, and direct customer impact.

Senior Backend Engineer owning end-to-end initiatives on a Python/FastAPI + React stack with agentic AI capabilities. Requires 4-8 years experience and strong product sense.

Build and optimize distributed database features for AI applications in Rust, Go, or C++. Focus on performance, reliability, and scalability in a hybrid New York City role.

Senior engineer developing containerized microservices in Java/Spring Boot or Go for a distributed multi-tenant security platform on Kubernetes. Owns full SDLC, mentors juniors, and operates production systems serving real-time cloud telemetry.

Staff Software Engineer leading technical direction for ID.me's authentication platform, building sign-in, MFA, and account management infrastructure serving 140M+ users. Requires 8+ years experience, Java/Spring Boot expertise, and AI-assisted development tooling experience.

Design and build internal software platforms, APIs, and data workflows supporting risk, compliance, and operations for Upstart Bank. Requires 4+ years experience, production web apps, PostgreSQL, and REST API development.

Principal Software Engineer providing technical leadership for internal platforms, security automation, and workflow systems supporting Upstart Bank operations. Requires 8+ years experience and a bachelor's degree.

Build and operate the connector runtime and semantic layer that enables Perplexity agents to securely integrate with hundreds of external systems and enterprise data sources.

Build systems for extracting, connecting, retrieving, and reasoning over knowledge from the web to enable AI agents to answer questions with precision. Requires experience with complex distributed backend systems and petabyte-scale data pipelines.

Design, build, and scale privacy features and infrastructure for ChatGPT, API, and consumer devices using confidential computing and encryption. Requires 5+ years of software engineering experience and production experience with trusted execution environments.

Lead design and development of scalable health data systems as a hands-on engineering leader with 12+ years of experience. Drive cross-functional projects and solve complex technical challenges in a remote startup environment.

Build and evolve backend services, distributed systems, microservices, and partner integrations for a high-volume parking and e-commerce platform. The role requires 7+ years of software engineering experience, advanced Scala or Java expertise, and strong database, cloud, testing, and CI/CD skills.

Leads the technical direction, architecture, and delivery of highly available backend services and distributed systems for a global parking and e-commerce platform. The role requires expert backend engineering experience, strong technical leadership, and typically 6+ years of professional software engineering experience.

Staff engineer on the Containers team owning complex technical components of Chainguard Images, driving long-term technical direction, and mentoring engineers. Requires 10+ years experience, deep expertise in containers/Kubernetes/Go, and IaC.

Senior Staff Software Engineer to design, build, and scale Crusoe Cloud's billing platform, owning metering, pricing, invoicing, and payments end-to-end. Requires 5+ years backend experience with Go, Java, Rust, or C++, plus distributed systems and financial data expertise.

Owns the StreamModule voice pipeline (VAD→STT→LLM→TTS) for real-time call agents. Consolidates BullMQ to Kafka, hardens provider abstractions, adds OTEL tracing, and eliminates Postgres SPOFs.

Senior backend engineer focused on platform scalability, performance, and reliability for Teleport's identity infrastructure. Requires extensive Go experience and distributed systems expertise.

Build and own the merchant platform's money movement infrastructure and product-agnostic tools that power Parafin's financial offerings. Requires 6+ years building production backend/platform systems and a CS degree.

Design and maintain large-scale backend infrastructure for distributed ML training, inference, and data pipelines at a generative AI startup. Requires 4+ years building scalable cloud systems with Python/Go/C++ and distributed data technologies.

Seasoned product-focused engineer to architect and build core backend systems for a private fund management platform. Requires strong technical skills in Python/Django, databases, and distributed systems.

Build and scale mission-critical APIs delivering frontier AI capabilities to developers and agents. Requires 5+ years backend experience in Python/Go/Rust plus strong API design and cloud infrastructure skills.

Senior backend engineer to design, build, and scale Crusoe Cloud's billing platform, owning metering, pricing, invoicing, and payments end-to-end. Requires 5+ years experience with Go/Java/Rust/C++ and distributed systems.

Design, build, and deploy scalable Scala backend systems in Kubernetes for high-performance trading platform. Requires 6+ years experience and strong distributed systems expertise.

Build foundational backend infrastructure and enterprise-facing collaboration features for an AI-powered legal platform. The role requires 4+ years of backend software engineering experience, distributed-systems expertise, and strong programming fundamentals.

Design and build the control plane for provisioning, scaling, and healing Neki (sharded PostgreSQL) clusters. Requires 5+ years experience, strong Go proficiency, Kubernetes, and distributed systems expertise.

Senior backend engineer building and migrating services in Ruby on Rails and Go for PrizePicks' internal Back Office platform. Owns complex features end-to-end, drives microservices migration, mentors engineers, and participates in on-call.

Senior Software Engineer building and maintaining backend features for Cribl Edge, a multi-platform data collection agent running on Windows, Linux, and Mac. Requires strong OS fundamentals, TypeScript/Node.js experience, Docker/K8s, and cloud platform knowledge.

Senior backend engineer building and evolving customer-facing platform services and public APIs in Go. Owns features end-to-end with Product and frontend teams in a fast-paced remote startup.

Backend engineer building and extending OpenAI's API platform into cloud-native environments like AWS, creating cloud-contained developer products and agentic infrastructure. Requires 7+ years experience and proficiency in backend languages and distributed systems.

Senior engineer building and operating Nasuni’s distributed file system (Strider/CUFS) in high-performance C/C++. Owns storage subsystems, protocols, snapshots, caching, recovery, and Kubernetes-based HA services.

Build and operate a high-throughput Java backend service managing the Trust Graph for identity verification decisions across 152M+ users. Design REST APIs, write complex SQL queries, and own data model evolution for correctness-critical trust infrastructure.

Staff Software Engineer leading architecture and technical direction for the Trust Graph service that powers identity verification decisions for 152M+ users across federal, state, and healthcare organizations. Owns API contracts, data models, and cross-team initiatives for a correctness-critical backend platform.