Top Senior Software Engineer Jobs

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.

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.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

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.

Design, develop, and optimize oneCCL communication library features for low-latency, high-throughput HPC workloads. Collaborate with scientists and hardware teams on Aurora supercomputer integrations, implement and enhance communication protocols, benchmark and analyze performance across configurations, and debug complex cross-layer hardware/software issues.

Design, build, and maintain user-facing and foundational backend services; improve system reliability and automation; collaborate with stakeholders; own domains; mentor engineers; integrate and direct AI agents across development lifecycle.

Design, develop, and upstream-enable AI/HPC communication middleware (MPI/SHMEM, NCCL/RCCL). Integrate middleware with transports (libfabric/UCX/verbs), optimize performance, collaborate across kernel/driver and switch teams, analyze performance traces, reproduce and fix customer issues, and contribute to open-source projects.

Build and maintain backend services and infrastructure to support core ML/AI product features. Design scalable, resilient, high-performance systems, implement production REST APIs, deploy and manage applications (Docker/Kubernetes), and collaborate cross-functionally while coding daily.

Design, develop, and maintain scalable full‑stack features and services for a cloud SaaS product. Solve complex customer problems, build reliable APIs and frontends, contribute to architecture and deployments, and collaborate with product and customers to deliver high-impact solutions.

Lead backend development to expand infrastructure and APIs for a scalable aviation maintenance planning SaaS. Design, build, test, and maintain high-performance services and microservices, work with product and business teams to turn ambiguous requirements into solutions, and occasionally support deployments and customer integrations.

Design and implement scalable backend and distributed systems for a marketing intelligence platform. Build near-real-time ingestion and processing, scale an incrementality/experimentation product, integrate AI-powered workflows, improve data ingestion/exports and connection-state systems, and contribute frontend components to deliver end-to-end product experiences.

Design, develop, deploy, and maintain full-stack web, multimedia, and training applications. Support AWS and Linux infrastructure, Apache/Tomcat, IAM/PAM, scripting and automation, SharePoint and enterprise web solutions. Conduct testing, troubleshooting, and collaborate with stakeholders to meet technical and mission requirements.

Design and deliver database improvements with attention to correctness, reliability, and performance. Own projects end-to-end (design through on-call), debug complex distributed systems, improve reliability, observability, and automation, collaborate cross-functionally, and share knowledge through mentorship, docs, and public writing.

Participate in full SDLC building and integrating software for DoD customers. Develop C++/Python systems, curate synthetic geospatial raster data, apply TDD, operate in DevSecOps pipelines, and use containerization and CI/CD for deployment and testing.

The role involves designing and building systems to process and operationalize data, creating AI agents, managing data pipelines, and developing admin tools. Responsibilities include architecture design and rapid problem-solving in a small team environment.

Join a multidisciplinary team as a Senior Software Engineer to build a next-generation developer platform, focusing on automation tools and product direction.

The Senior Software Engineer will build AI-driven backend systems for accounting, develop robust services, and collaborate with cross-functional teams.

The Software Engineer will participate in Agile SDLC activities, develop software, and implement testing automation for a complex enterprise system.

Lead and scale complex analytical systems, mentor junior engineers, and enhance system performance. Collaborate with product teams for high-quality solutions.

The Senior Software Developer will design, code, test, and implement software solutions while managing resources and ensuring best practices in a collaborative environment.

Develop and prototype technologies, collaborate with analysts, and create dynamic solutions using various frameworks, languages, and tools for critical missions.

As a Senior Software Engineer, you will lead mobile development, optimize workflows, and enhance user experience through high-quality solutions.

The Senior Web Engineer II will create and maintain scalable, high-performance web applications, collaborate with multiple teams, and drive feature development.

Design, develop, and maintain high-performance distributed storage software and protocols (file, block, object). Integrate with hardware (NVMe, DPUs, GPU-direct), optimize performance and scalability, troubleshoot production data centers, collaborate with networking, compute, control plane and observability teams, and lead/mentor engineering teams.

The Sr Advanced Software Engineer will design and develop cloud services for IoT devices, ensuring performance, security, and maintainability while collaborating cross-functionally and leading innovation efforts.