Top Senior Software Engineer Jobs

Lead architecture, design, and development of a high-scale, high-availability gaming platform. Build and maintain CI/CD pipelines, integrate third-party services, deliver end-to-end projects, mentor engineers, make architectural decisions, and collaborate closely with engineering teams in Asia. Ensure security and compliance for projects handling PII and banking data.

Lead architecture, design, and development of a high-scale gaming platform. Build and maintain CI/CD pipelines, integrate third-party services, own end-to-end projects, mentor engineers, drive architectural decisions, and ensure security/compliance for PII and banking data.

Design, develop, test, and deploy ASP.NET/C# three-tier enterprise web applications. Implement unit and automated integration tests, work in an Agile/Scrum team, apply refactoring, and support continuous integration and relational database development.

Principal IC responsible for reliability, observability, and modernization of a .NET-based Platform Services portfolio on Azure. Own architecture, resilience patterns, shared libraries, and migration of legacy .NET services. Implement observability, event-driven messaging, and AI-first engineering practices while mentoring engineers and partnering with architecture teams.

Design, develop, and deploy high-performance, cloud-ready software enabling scalable machine-learning and analytics solutions. Lead end-to-end web development, write secure efficient code, implement tests, produce documentation and runbooks, mentor junior engineers, collaborate with consultants and clients, and support deployments and operational excellence.

Develop and maintain cloud-based legal software, collaborating on features, optimizing performance, ensuring security, and mentoring junior engineers.

Design and build payments workflows and PSP integrations (Stripe, Plaid). Own payment system architecture, collaborate across engineering teams to ensure seamless billing and reconciliation, apply AI to improve automation and accuracy, and mentor other engineers while shipping production-quality code.

Own platform feature and API development, integrations, and deployments. Design, build, and maintain backend-focused full-stack features, collaborate with product and design, perform code reviews, troubleshoot, and work with cloud infrastructure and CI/CD pipelines to scale the marketplace.

Lead Unity game development: design, implement, test, and document game systems; collaborate with engineers, designers, and artists; mentor junior engineers; analyze requirements, integrate releases, and investigate field issues while ensuring regulatory and company policy compliance.

Lead development of on-device middleware and edge services (Rust/C++), integrate devices with AWS IoT Core and cloud services (Kinesis, S3, Lambda), design reliable disconnected-mode interfaces, implement AuthN/AuthZ and data privacy (X.509, IAM), collaborate with cloud tech lead, mentor engineers, and drive edge-to-cloud architecture and delivery in rapid R&D environments.

Design, develop, test, and maintain scalable Java-based backend and full-stack components for a cloud-based meter data platform. Collaborate in agile DevOps teams on architecture, performance, reliability, monitoring, incident response, and continuous delivery. Mentor engineers, own features through lifecycle, and deliver secure, highly available SaaS solutions for utility customers.

Lead design, build, and maintain Dynamics 365/Power Platform customer service solutions, integrate with telephony and backend systems, enable AI-driven experiences, apply CI/CD and automated testing, troubleshoot production issues, and collaborate with stakeholders to deliver reliable CRM capabilities.

Develop, deploy, and maintain the UDS Registry and related tools (Pepr, Lula). Lead architecture and implementation, integrate with defense systems, participate in on-call rotation, contribute to open source, produce documentation, mentor engineers, and influence product direction with user-focused design.

Design, build, and modernize full-stack features: REST APIs in Java/Spring Boot, data access and SQL Server performance, React/TypeScript frontend in a pnpm monorepo, legacy ColdFusion migration, containerized deployments on AWS/Kubernetes, and testing across unit, integration, and UI layers. Mentor teammates and define engineering patterns across backend, frontend, and platform.

Design and ship customer-facing React web applications and modern REST/gRPC APIs, scale web-to-backend systems on cloud platforms (GCP), own features end-to-end, collaborate with product, and mentor junior engineers while working onsite in Sunnyvale.

Build and own end-to-end full‑stack product features across frontend and backend, incorporate AI tools and agent workflows into development and product, ship iteratively, and improve developer workflows and system design.

Design, build, and optimize scalable real-time and batch data pipeline infrastructure. Develop backend features focused on reliability and performance, write well-tested code, review technical designs, and contribute to infrastructure across mobile, desktop, and server systems.

Lead design and operation of the Synapse Everywhere external API platform: define API surface and guarantees, translate product and clinical requirements into contracts, own reliability and on-call incident response, provide technical mentorship and code reviews, and design scalable, secure cloud-native solutions (k8s, LLMs) with strong developer experience.

Design, build, and maintain scalable backend services in C#/.NET powering payment routing, connector management, and platform configuration. Build secure, observable APIs and high-volume transaction processing systems, collaborate across Product/AI/Engineering, mentor junior engineers, drive architecture and standards, and own full lifecycle from requirements to deployment.

Build, operate, and scale core data services and APIs to process, store, and deliver large-scale patient health records with low latency and high availability. Provide technical leadership, contribute to architecture and design, collaborate with product and engineering teams, and coach engineers.

Design, develop, and scale cloud-native .NET applications and APIs on Azure. Build front-end pages and backend database objects, produce unit-tested code, implement RESTful and SOAP services, and participate in architecture and code reviews while leveraging automation and AI tools.

Lead and grow a developer tools team building SDKs and libraries to access quantum computers and simulators. Act as a player-coach contributing to code, drive technical delivery, partner across functions, participate in developer community engagement, define program management practices and KPIs, and hire key staff to scale the team.

The Lead C# Web Developer will design and develop secure MVC applications, perform coding, testing, and debugging while enhancing web platforms and integrating with vendor systems.

Develop software for kiosks, owning feature development, working full stack, and improving existing code while collaborating with a multi-disciplinary team.

Design and implement full-stack web features for a high-traffic website optimization platform. Collaborate with engineering, product, and design in a fast-paced environment with frequent deployments. Build Python-based applications on Google App Engine and front-end components using NuclearJS and React. Ensure modular, testable code, HTML/CSS/AJAX best practices, web security, cross-browser compatibility, and end-to-end request lifecycle understanding.