Top Senior Software Engineer Jobs

Design and build scalable TypeScript/Node.js APIs and high-volume data pipelines, architect backend systems on Kubernetes, shape integrations with school data systems, mentor users and stakeholders, and ensure maintainable, type-safe code for a platform used by millions.

Lead design, develop, test and deliver high-quality cloud-based web, mobile and backend software. Mentor engineers, set technical direction, own product/project rollout, champion best practices (TDD, CI/CD), and operate high-traffic microservices on Kubernetes and cloud platforms.

Lead technical strategy and architecture for data-centric solutions across programs. Oversee data acquisition, harmonization, processing, storage, analysis, dissemination, and product lifecycle. Serve as technical lead/Product Owner, define enterprise data standards, decompose backlogs, prioritize features, advise leadership on analytics opportunities, and ensure mission-focused delivery within high-clearance environments.

The Sr. Software Engineer is responsible for designing and building robust big data systems, establishing engineering standards, and performing data transformations. The role involves communication and collaboration across teams to implement data solutions.

Provide technical leadership for frontend platform architecture across web and mobile. Evolve Angular-based applications, micro-frontends, shared component libraries, observability, analytics instrumentation, and performance. Collaborate with Product, UX, Security, and DevOps to design scalable solutions, improve release processes, troubleshoot production incidents, mentor engineers, and drive frontend modernization and standards.

Lead full-stack development of Evvy's personalized vaginal health platform: architect, build, and scale backend (Python/Postgres) and frontend (React/TypeScript) features, ship AI-powered production features, create internal tooling, own deployments and monitoring, collaborate cross-functionally, mentor teammates, and drive engineering culture.

Design, develop, and maintain complex software components; research and translate product requirements into designs; write and review specifications; fix complex bugs; follow coding best practices and perform code reviews; work in Agile and Waterfall environments; design complex data models; mentor and train junior engineers; and proactively address security risks throughout the development lifecycle.

Build responsive, accessible React frontends and Node.js backend services; use AI-assisted development tools responsibly to accelerate implementation, testing, and refactoring; follow TDD, CI/CD, and automated testing; collaborate with UX, product, and QA; contribute to hiring and knowledge sharing for the London engineering team.

Design and implement graph-based search services and scalable backend systems using Java and Spring Boot. Build GraphQL/REST APIs, integrate with AWS services and databases, ensure observability with New Relic and Coralogix, mentor engineers, and collaborate on search and recommendation features to deliver reliable, cloud-native solutions.

Full-stack engineer to build a scalable web portal: develop responsive React/TypeScript/Tailwind UIs and a shared component library; design Java Spring GraphQL back-end for file upload workflows, job tracking, retries, storage, and results retrieval; implement secure auth, testing (Jest, Playwright), CI/CD, observability, accessibility (WCAG AA), and documentation.

Lead design, development, integration, and support of Microsoft-stack enterprise applications. Spend ~80% on programming and 20% on business analysis, mentor junior engineers, participate in architecture and CI/CD, support production (24/7), and build solutions using Dynamics 365, Power Platform, .NET/C#, Azure, Dataverse, and REST APIs.

Lead design, configuration, and support of Manhattan WMOS WMS, translate warehouse requirements into technical solutions, develop integrations (ERP/TMS), create reports, troubleshoot production, support upgrades and testing (SIT/UAT), mentor junior staff, collaborate with vendors and PMO, and provide 24x7 rotational systems support.

The Staff Software Engineer will manage financial partnerships by overseeing integrations and ensuring they operate efficiently, from design to execution, while collaborating across multiple departments.

Designs and owns integrations between internal systems and Martech/CRM platforms, migrates legacy middleware to secure AWS architectures, builds APIs, implements CI/CD, optimizes data pipelines and SQL, contributes React front-end features, mentors engineers, and provides production support.

Design, develop, and maintain a proprietary e-commerce platform within a microservices architecture. Own services, estimate work, clarify requirements, navigate a large codebase, contribute quickly, and ensure quality through testing and operational support.

Lead design, development, and deployment of scalable, reliable backend services and APIs. Mentor engineers, drive technical strategy, ensure code quality, and collaborate with product and cross-functional teams to deliver customer-focused solutions using modern cloud, containerization, and lean development practices.

Lead modernization of legacy .NET applications into cloud-native .NET services. Drive architecture, design scalable APIs, improve performance and resilience, embed observability and secure-by-default patterns, mentor engineers, and support high-severity incidents while collaborating with Infrastructure, Security, Data, and Operations teams.

Lead design, development, and deployment of scalable, reliable API-driven services and integrations. Mentor engineers, collaborate with product teams, resolve performance and scalability issues, promote best practices (TDD, trunk-based development), and contribute to organizational technical strategy and hiring.

Lead iOS technical architecture and standards, own CI/CD and release processes, improve observability and security, integrate push/identity/deep links, mentor distributed iOS team, collaborate with backend/product, and support incident response and hotfixes.

Lead design and delivery of complex full‑stack features using .NET and modern web architectures. Mentor junior engineers, review code, drive performance, reliability, and maintainability, collaborate with product/QA/DevOps, and reduce technical debt while owning technical solutions.

Design, build, and operate scalable, fault-tolerant microservices and APIs across an e-commerce platform. Own end-to-end delivery, lead technical design, reduce technical debt, troubleshoot production issues, and champion testing, CI/CD, security, and observability while leveraging AI-assisted developer tools.

Design, build, and scale open-source data infrastructure across collection, ingestion, storage, querying, and retrieval. Improve ingestion pipelines, expose performant query interfaces and integration hooks, and deploy reliable data platform features across cloud, hybrid, and on‑prem environments.

Design and implement high-performance backend C++ systems for defense autonomy products. Build scalable, reliable infrastructure for contested environments, collaborate with researchers and customers, own end-to-end delivery, and shape site engineering culture and standards in Ann Arbor.

Lead end-to-end feature development across the full stack, collaborate with product, design, and customer engineering, mentor and review code for a team of engineers, and incorporate customer feedback to iteratively improve automotive software products.

Partner with product management to design, build, and maintain web applications across front-end (HTML/CSS/JS with Angular or React) and back-end (C#). Lead architecture, implement features, write automated/unit tests, troubleshoot and support deployed products, mentor junior engineers, and contribute to backlog grooming, release planning, and proofs-of-concept.