Top Senior Software Engineer Jobs

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 systems for scientific workflows, APIs, and applications, collaborating across teams to enhance performance and reliability in production environments.

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

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

Design, develop, test, and maintain scalable MLOps software and microservices. Build containerized workloads, CI/CD pipelines, Airflow/Kafka data workflows, and databases (SQL/NoSQL). Automate ML training/deployment, implement APIs, infrastructure-as-code, and support petabyte-scale HPC analytics. Lead and mentor team members and participate across the software development lifecycle.

Lead design and implementation of low-latency, multi-modal neuroscience research systems: instrument control, data acquisition, high-throughput pipelines, experiment UIs, and cloud infrastructure. Define technical roadmap, mentor engineers, and ensure production reliability and performance for large-scale neural data workflows.

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.

Build and maintain media backend services for real-time audio/video/screen sharing. Implement media routing, session management, and signaling; optimize for low latency with adaptive bitrate and congestion control. Collaborate with control plane and client teams, and ensure scalability, resilience, and observability of media services.

Design, build, and maintain control plane services for user management, configuration, and orchestration. Develop scalable microservices and RESTful APIs in C++ or Go. Implement authentication, authorization, and auditing; ensure reliability, observability, and high availability. Collaborate with frontend and QA for integrated releases.

Design, develop, test, and maintain backend web applications and microservices. Collaborate with product and design teams to implement features, ensure system stability, debug issues, document processes, and support automation testing. Work with databases, RBAC, version control, Kubernetes, Kafka, and cloud/storage technologies.

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.

The Senior Data Engineer will design, implement, and maintain data pipelines, improve data quality, and support investment data management, collaborating within a team to enhance decision-making and reporting capabilities.

Lead development of Harvey in Word (Office Add-in) using OfficeJS. Architect cross-platform, high-performance integrations with Word (and Outlook), build AI-native editing experiences, ensure manifest/versioning compatibility, collaborate on APIs/UX, and mentor engineers to deliver polished enterprise-scale features.

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.

Design and implement full‑stack, map-based web applications and scalable backend systems. Build responsive front ends with React/TypeScript, integrate ArcGIS APIs and Esri design system, containerize and deploy on Linux using Docker/Kubernetes, optimize distributed/cloud applications, and collaborate in Agile teams.

Improve performance and scalability of web applications by identifying and resolving front-end and back-end bottlenecks. Optimize load times, API responses, and database queries; develop scalable features across the stack, monitor performance, conduct code reviews, troubleshoot production issues, and collaborate with product, design, and engineering teams.

Design and implement scalable C++ and Python backend systems for simulation data generation and management. Build and optimize large-scale multi-modal data pipelines, implement lifecycle management, versioning, and storage, improve platform performance and reliability, and collaborate with engineers and researchers on data APIs and long-term architecture.

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.

Design, develop, test, debug and maintain Windows desktop software (C#/.NET) for motion and hardware control systems. Lead tasks, mentor junior engineers, perform feasibility studies, customer-facing troubleshooting, and contribute to architecture, documentation, releases, and process improvements.

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, build, and operate backend services and APIs for an affiliate platform, ensuring reliability, performance, and security while managing financial transactions and partner integrations.

Own the technical direction of a core Helius backend system, including architecture, reliability, performance, roadmap, and production operations. Design scalable distributed systems, storage, streaming, or edge infrastructure; drive profiling and performance improvements; establish operational excellence; partner with founders on strategy; mentor engineers; and lead ambiguous cross-team initiatives.

Own and advance a core Helius backend system supporting Solana infrastructure. Design and release high-performance products, optimize latency and throughput, make architectural decisions, improve observability and incident response, and mentor engineers. The role requires end-to-end ownership of production systems at scale, with close collaboration with founders and engineering leadership. Relevant systems include data streaming, historical APIs, account indexing, and access control infrastructure.

Lead the development of an enterprise content safety platform, mentor junior engineers, and collaborate with product teams to deliver innovative solutions while using technologies like Python and React.