Top Senior Software Engineer Jobs

Drive architecture and technical vision for Elasticsearch core storage and query engine. Lead performance and storage-efficiency improvements, design indexing/serialization/data layouts, mentor engineers, coordinate cross-organizational initiatives, triage community issues, and write idiomatic modern Java for logs and metrics workloads.

Build and maintain user-facing eCommerce features and scalable backend services/APIs. Collaborate on architecture, design reviews, and product planning; optimize performance and implement engineering best practices; mentor teammates and communicate across product, design, and engineering.

Technical lead for the Mobile BFF team owning architecture and development of GraphQL BFF services for native mobile apps. Drive technical decisions, mentor engineers, improve performance, de-risk complex work, maintain CI/CD, and collaborate across teams to ensure scalable, reliable mobile experiences.

Design, build, and maintain scalable GraphQL Backend-for-Frontend services for Procore mobile apps. Collaborate with infrastructure and platform teams, mentor engineers, implement CI/CD (CircleCI, ArgoCD), ensure reliability and performance, and balance short-term and long-term architectural tradeoffs using technologies like Ruby on Rails, Node.js, Java, AWS, Kubernetes, Postgres, and TypeScript.

Design, code, and test enterprise database software within an Agile Scrum team. Research new solutions, participate in design/code reviews, develop automated tests, and maintain high-quality z/OS system-level functionality for Datacom.

Build and maintain the GG App across Windows, macOS, and iOS including installers, background services, auto-update systems, enterprise deployment paths, health reporting, AWS backend, and documentation. Lead architecture decisions, mentor engineers, participate in on-call support, and champion AI adoption and automation across engineering.

Lead and manage an API engineering team owning core services for Fundrise investor applications. Set technical direction, coach engineers, drive architecture, ensure production quality, security, monitoring, and coordinate cross-team delivery.

Own and deliver complex backend features for a SaaS platform end-to-end. Write production-ready code, define test strategies, handle incident response, use AI tools in development, collaborate across product and design, and improve developer workflows, deployments, and system reliability.

Design, develop, and maintain iOS mobile applications using native and cross-platform technologies. Collaborate with UI/UX, product, and backend teams; write clean, maintainable code; troubleshoot and optimize performance; ensure security and quality; manage app store submissions; participate in code reviews and knowledge sharing.

Lead and implement backend and developer-experience initiatives across Clojure and Go systems. Define architecture, build and operate distributed services, event pipelines, databases and APIs, improve observability and reliability, mentor senior engineers, and drive cross-team delivery from ambiguity to measurable outcomes while participating in on-call rotation.

Design, build, and operate high-performance, distributed .NET and TypeScript/React applications and cloud APIs. Implement microservices on AWS, automated testing, GitHub Actions CI/CD, observability with OpenTelemetry, and diagnose production issues to ensure scalable, reliable systems.

Lead and mentor an engine core team to design, build, and optimize core runtime systems (streaming, asset loading, job scheduling, audio, physics, UI, VFX). Collaborate with cross-disciplinary stakeholders, author technical design documents, drive tooling/process improvements, and ensure performant gameplay across PC and modern consoles through hands-on C++ development and performance tuning.

Design, build, and scale highly available backend services on AWS using Node.js. Develop event-driven systems, REST/GraphQL APIs, and ensure reliability through testing, observability, and security best practices. Collaborate with product, frontend, and infrastructure teams and debug production issues.

Build and maintain Python backend services and APIs for an economics engine: design scalable time-series processing, optimize MongoDB schemas and queries, deploy containerized services on GCP, ensure testability and code quality, use AI tooling to accelerate delivery, and own features end-to-end including monitoring and documentation.

Lead design, build, and maintenance of scalable web applications and services (C# or Java). Own systems, influence technical direction, collaborate with product and leadership, and deliver reliable, high‑impact solutions in a hybrid Denver startup environment.

Design, deliver, and sustain secure biometric software for federal/military customers. Lead cross-functional programs, oversee testing, troubleshoot production issues, enforce secure data handling, and coordinate releases in Android and DevSecOps environments.

Design, build, and optimize a multi-region, highly-available Java/Scala microservices data pipeline processing thousands of messages/sec. Improve performance, implement fraud-detection pipelines with ML (Kafka/Kafka Streams), deploy to multi-cloud Kubernetes, and push frequent production releases to maintain five-nines uptime.

Lead design and implementation of production-grade, scalable services and APIs using TypeScript, Python, and Go. Own end-to-end projects, drive architecture across teams, improve system performance and reliability, identify bottlenecks, mentor senior engineers, and shape long-term platform strategy.

Lead design and implementation of scalable, production-grade services and APIs using TypeScript, Python, and Go. Own projects end-to-end, drive cross-team architecture, improve performance and reliability, mentor senior engineers, and establish engineering standards and long-term platform strategy.

Lead architecture and development of scalable systems using TypeScript, Python, and Go. Drive technical decisions, mentor senior engineers, lead code reviews, improve reliability and velocity, and remain hands-on through production delivery while collaborating with product and leadership.

Principal Software Engineer individual contributor role providing technical leadership on architecture and strategy for high-scale distributed systems. Design and implement distributed services using TypeScript, Python, and Go, solve scalability and performance problems, establish engineering patterns, mentor senior engineers, and partner with product and engineering leadership. On-site in San Francisco.

Lead engineering projects from architecture through production. Design and build systems using TypeScript, Python, and Go. Make technical decisions, mentor senior engineers, lead code reviews, improve reliability and scalability, and remain hands-on for critical implementations while collaborating with Product and Engineering leadership.

Lead architecture and technical strategy for high-scale distributed systems. Design and build services using TypeScript, Python, and Go, solve performance and reliability challenges, mentor senior engineers, and drive cross-team technical standards and long-term strategy while partnering with product and engineering leadership.

Design, build, and maintain scalable backend services and APIs; deliver product features end-to-end; maintain integrations; diagnose and resolve performance and reliability issues; improve engineering practices and architecture; support large-scale data ingestion and unified data access layers.

Senior backend engineer building secure, scalable microservice infrastructure. Translate product requirements into technical designs, implement high-availability services, design APIs and schemas, embed security across app/API/infrastructure layers, build observability (metrics, alerts, tracing), collaborate with product/design, and participate in hiring while working remotely.