Top Senior Software Engineer Jobs

Lead full‑stack engineering projects to scale document ingestion, design multi‑jurisdiction data collection, and build government‑grade security. Deliver AI‑native features across web, desktop, mobile, editors, and APIs. Ship full‑stack solutions using React/TypeScript frontend and Python/Postgres backend while ensuring scalable, extensible architectures that delight enterprise customers.

Lead development of Harvey in Word (Office Add-in) using OfficeJS. Architect cross-platform Office integrations, build AI-native editing features, ensure performance and compatibility, collaborate on APIs and UX, mentor engineers, and contribute to Outlook/Microsoft 365 integrations.

Lead technical strategy and long-term vision for configuration and coordination infrastructure. Architect control-plane interfaces, migrate legacy substrates, integrate coordination across deployments and regions, and enable safe rollout and governance for feature flags and ML config. Drive cross-team alignment, scalable onboarding, and AI-enabled design workflows while ensuring operational safety and accountability.

As a Senior Software Engineer, you will design, build, and maintain scalable distributed systems, engage in cross-functional collaboration, mentor engineers, and improve processes throughout the software lifecycle.

Lead full‑stack engineering work across frontend, APIs, backend services, and data models for an AI‑forward industrial IoT platform. Drive ambiguous designs to shipped features, make architectural decisions, build scalable secure APIs, integrate AI capabilities, mentor engineers, and collaborate with Product/UX/Data to deliver customer‑focused solutions.

Lead backend architecture and system design for an AI-driven manufacturing planning platform. Build and scale a Node.js/Python stack with Azure Databricks, implement optimization and scheduling algorithms, establish engineering patterns, and mentor/lead a small early-stage engineering team while collaborating with product and data functions.

Own and build core, greenfield backend systems using Node/TypeScript on GCP. Design multi-component architectures, produce actionable design docs, implement AI/LLM features (RAG, function calling, agentic workflows), manage cross-team delivery, and mentor/hire engineers.

Build and ship production features end-to-end on a Node/TypeScript/GCP stack. Contribute to system design, author design docs, perform constructive code reviews, and integrate AI tools into product features. Take ownership for correctness and reliability while operating at Series A pace.

Lead engineering projects focused on backend infrastructure, AI-powered workflows, and document retrieval, while ensuring enterprise-grade security and scalability.

Own, design, build, ship, and operate backend services and AI/agent systems for an AI health coach. Contribute to architecture, write well-tested observable code, ensure privacy/security of health data, partner cross-functionally, and mentor junior engineers while shipping ambiguous, product-focused work.

Design, develop, and maintain high-performance distributed storage software and protocol APIs (file, block, object). Build scalable, resilient storage services, integrate with hardware (NVMe, GPU-direct), troubleshoot production data center issues, and participate in full SDLC for on-prem storage solutions.

Build full-stack product features across web UI, APIs, and backend systems; integrate and manage AI coding agents; design APIs and data models; ensure clean, tested, maintainable code; collaborate on developer-facing platform features and AI integration points.

The Senior Software Engineer will develop rich media applications using Java and Spring, focusing on REST services and Google Cloud. Experience in object-oriented design, iOS/Android support, and high-performance internet applications is required.

As a Senior Software Developer, you'll design, build, deploy, and support web applications using the .NET stack and Azure, while collaborating with a team.

The Senior Software Engineer will develop systems for scientific workflows, APIs, and applications, collaborating across teams to enhance performance and reliability in production environments.

Seeking a Senior Software Developer to design, build, deploy, and support web applications using the .NET stack and other technologies in a collaborative team environment.

Lead end-to-end engineering projects building Node.js backends and React frontends, scale core APIs to millions of requests, debug using monitoring/logging, participate in code reviews and hiring, and collaborate on product roadmap driven by customer needs.

Lead design, development, and maintenance of complex defense software for signal and image processing, FMV, mission planning, and data analytics. Mentor engineers, define technical direction, implement solutions using Python/C++ on Linux, and employ cloud, containerization, and ML tools. Contribute to testing, deployment, proposals, and delivery of mission-capable systems supporting the warfighter.

The Senior Software Engineer will design and maintain backend services and APIs, contribute to frontend development, and ensure system reliability across Teraswitch's infrastructure and customer operations.

Lead design, develop, test, and integrate complex software for defense/aerospace applications as part of an Agile team. Ensure architecture, documentation, performance, and standards are met while delivering Android-focused capabilities to field operators.

Senior Software Engineer responsible for refactoring and optimizing low-latency applications, analyzing network utilization, designing low-latency solutions and internal APIs, conducting unit tests, responding to production issues, leveraging AI tools, and mentoring junior engineers to improve performance, scalability, and reliability.

The role involves building decision science libraries and tools for mineral exploration, collaborating with teams to improve decision-making processes.

Lead design and development of complex, scalable software systems; define technical requirements and architecture; mentor junior engineers; optimize for performance, scalability, and security; enforce best practices for development, testing, and deployment; troubleshoot complex system-level issues.

Design and develop a high-performance data platform, implement features, improve reliability, and lead impactful projects in backend services.

The Senior Software Engineer will design, develop, and implement high-quality software solutions for medical applications with a focus on UI/UX design, graphics, and rendering work.