Top Senior Software Engineer Jobs

Build and maintain compiler infrastructure that translates spreadsheet interactions into optimized SQL for cloud data warehouses. Design intermediate representations and apply query optimization strategies, contribute to backend (Rust) and frontend (TypeScript) foundations, debug complex issues, and collaborate with engineers and product stakeholders to drive architecture and feature development.

Build and maintain compiler infrastructure that converts spreadsheet interactions into optimized SQL for cloud warehouses. Design IRs, apply query optimizations, work in Rust and TypeScript, debug complex issues, and collaborate on architecture and product features.

The Senior Full Stack Software Engineer will lead software architecture and implementation, mentor team members, and integrate complex systems for minerals supply chain management.

Develop and maintain C#/.NET code for a cloud-based procurement solution, implement multithreaded features, debug and review existing modules, and work within Agile and OOP practices. Contribute to enhancements and Azure-based development.

Design, build, test, and maintain cloud-native enterprise software and microservices on Azure. Integrate LLMs and RAG/GraphRAG solutions, apply AI frameworks and prompt engineering, use Kubernetes/Docker and CI/CD, work in Agile teams, mentor engineers, and support production incidents and architecture decisions.

Lead the design and development of SDK for Eridu's switch ASICs, ensuring performance and production readiness. Oversee software interfaces for dataplane operations and mentor junior engineers.

Lead the development and integration of OCP SAI with SONiC, requiring expertise in programming, SDK development, and networking protocols.

Develop and enhance high‑fidelity modeling and simulation software (digital twins) for threat weapon systems (SAMs, radars, seekers). Implement propagation effects, tracking filters, signal processing, and sensors/missiles/C4 algorithms. Integrate models into mission-level simulations, define requirements, design solutions, automate tests, support DevOps/DevSecOps, and mentor junior developers in an Agile, classified environment.

Design, build, and maintain large-scale, cloud-native microservices and data pipelines for risk platforms. Write quality Java code, implement unit and automation tests, create CI/CD pipelines, perform refactoring, ensure availability, and collaborate across teams to improve scalability, reliability, and deployment automation.

Lead full software development lifecycle: design, develop, test, deploy and maintain reliable distributed applications. Collaborate cross-functionally, perform code reviews and automated testing, and deliver performant technical solutions aligned with business goals.

Design and build cloud-native microservices and scalable data pipelines for a Risk Decision platform. Write high-quality Java code, automate testing and releases, implement CI/CD, apply LLM/agentic AI to improve engineering workflows, collaborate across teams, and support application availability and scalability.

Design, develop, and maintain web-based software within the full SDLC. Engage stakeholders, build features using microservices, apply complex algorithms, ensure maintainability and standards, drive process/tooling improvements, and mentor team members.

Design, develop, and maintain responsive web applications using React/Next and TypeScript. Define technical direction and architecture, collaborate with cross-functional teams, mentor developers, conduct code reviews, write tests (Jest, React Testing Library), integrate with REST APIs, optimize performance, and ensure web security and documentation.

Design, build, and maintain highly scalable J2EE business applications. Implement new features and bug fixes, participate in code reviews, automate unit and system tests, optimize performance and scalability, produce documentation for training and compliance, and build BI reports using QliQ, Power BI, or Tableau. Collaborate with engineering teams and support infrastructure and process improvements. Remote U.S. work allowed with up to 5% domestic travel.

Design, develop, test, deploy, maintain, and enhance software solutions. Manage priorities and deliverables, participate in design reviews, perform code reviews, triage and debug issues, contribute documentation, and collaborate in cross-functional agile teams to build scalable web applications.

Own and deliver full‑stack applications powering digital manufacturing: design and implement TypeScript/Node.js/React systems, build scalable data architectures, develop APIs, optimize performance, lead cross‑functional initiatives, and mentor engineers to ensure production reliability and scalability.

Build end-to-end consumer product features across web and native mobile, designing polished UIs, clean APIs, and resilient backend systems. Own projects from product design through implementation, ensuring scalability, availability, observability, and secure transaction handling while collaborating closely with product and design.

As a Diagnostics Software Engineer, you will design, implement, and test diagnostic software for high-speed digital boards, collaborate with hardware teams, and improve manufacturing efficiency while mentoring junior team members.

Design, implement, test, and maintain scalable, secure SaaS platform features across frontend and backend. Lead architecture decisions, use IaC and CI/CD for deployments, collaborate with product and DevOps, troubleshoot complex customer issues, and address technical debt.

Develop, prototype, and productionize high-performance numerical algorithms for multi-modal remote sensing (EO/IR, SAR, RF). Implement and optimize signal and image processing pipelines in Python and C++, validate performance against real data, support integration into DoD systems, mentor team members, and contribute to proposals and technical roadmaps while ensuring mission assurance and software quality.

Support and sustain mission-related software and systems for a U.S. government customer. Develop, maintain, and troubleshoot software using Java, MapReduce, and cloud technologies. Work independently and on teams, following Agile practices, for secure, large-scale projects requiring TS/SCI with Polygraph and U.S. citizenship.

The role involves designing and building scalable, reliable database systems, collaborating with product teams, and maintaining system operational excellence. Key responsibilities include improving performance, debugging issues, defining technical strategies, and enhancing engineering productivity.

The Software Engineer develops and enhances complex software systems, analyzes requirements, debugs software, and designs new features while leading projects.

The Protocol Software Engineer at Sei Labs will develop core components of the Sei Blockchain, focusing on EVM performance and optimizing decentralized network infrastructure.

Design, build, and scale highly available backend services and APIs for a D2C ordering and storefront platform. Collaborate with front-end engineers and product teams to implement merchant configurations, ordering flows, and performant distributed systems.