Top Senior Software Engineer Jobs

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.

Lead end-to-end design and delivery of backend, API, and authentication systems for a high-scale real-time calling platform. Architect APIs and auth models, write design docs, improve observability and DevEx, mentor engineers, collaborate with Product and Design, participate in on-call, and ensure reliability and performance.

Design, build, modernize, and deploy cloud-native applications and services across public/private/customer-managed clouds. Implement front-end, back-end, API, integration, CI/CD, and infrastructure-as-code solutions; perform code reviews, testing, performance and security optimization; prototype new tools and use AI-assisted development to accelerate engineering while ensuring production readiness and operational handoff.

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.

Join LTK as a Senior Software Engineer to design, build, and maintain scalable fullstack systems, optimize applications, and mentor engineers in a fast-paced remote environment.

Lead frontend platform architecture and developer experience: own module boundaries, micro-frontend patterns, design-system infrastructure, performance budgets, build systems and CI/CD. Build AI-agent-driven engineering workflows to remove developer bottlenecks, set technical direction, mentor senior engineers, and partner cross-functionally to improve engineering velocity.

Lead frontend platform architecture, performance, and developer experience. Build/maintain build systems, CI/CD, tooling, and shared component infrastructure. Drive AI-agent/LLM-powered automation to remove engineering bottlenecks, set technical direction, mentor senior engineers, and partner cross-functionally to scale frontend productivity.

Lead full-stack development of internal and external web applications using TypeScript/Node.js/Next.js. Design scalable Azure-deployed systems, maintain Microsoft Dynamics/Business Central integrations, build AI-enabled features, mentor distributed teams, manage CI/CD, and collaborate with product and design to deliver secure, performant, and accessible software.

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.

Lead full-stack development and own product lifecycle: design, build, deploy, and maintain NestJS/React systems. Manage AWS infrastructure, CI/CD, and IaC. Provide L3/L4 production support, research technical solutions, create PoCs, and collaborate with stakeholders to deliver secure, high-quality software.

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 Senior Software Engineer will develop production code in TypeScript, design scalable services, mentor teammates, and integrate external systems.

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.

Design, develop, and maintain high-scale applications while collaborating across teams. Engage in debugging, software development lifecycle, and participate in agile methodologies.

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.

Design, build, test, and operate Java-based microservices for Enterprise Payments. Participate in Agile ceremonies, practice TDD and pair programming, implement CI/CD pipelines, ensure observability and production support, and follow clean-code and DevOps best practices to deliver reliable, scalable payment solutions.

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.

As a Senior Software Engineer, Compiler, you will research and implement performance improvements for bytecode execution in a decentralized technology environment.

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.