Top Senior Software Engineer Jobs

Design and build scalable developer-platform architecture, tooling, testing frameworks, CI pipelines, deployment processes, and engineering guardrails. Lead AI-driven development-tool adoption, improve software quality and performance, remove development friction, modernize legacy patterns, and create reliable release processes supporting daily deployments, canaries, traffic replay, and enterprise feature bundling.

Design and build scalable backend services, data-processing workflows, APIs, databases, cloud infrastructure, and AI-powered systems. Lead architecture and technical strategy, own reliability and production operations, mentor engineers, and guide cross-team initiatives from design through deployment. The role focuses on transforming unstructured customer data into reliable structured outputs and developing LLM-powered and agentic workflows.

This role involves building ML infrastructure for monetization, including developing data pipelines, model training platforms, and real-time serving systems, while ensuring performance and reliability.

As a Senior Product Engineer, you will design and build experimentation platforms, improve rollout infrastructures, and collaborate with teams to ensure efficient product launches.

As a Software Engineer II, you will design, develop, and maintain Java applications, optimize data pipelines, collaborate on system initiatives, and implement automation for software delivery while ensuring high availability in production environments.

The Senior Back-End Software Engineer designs, develops, and maintains scalable backend systems while taking ownership of the software development lifecycle.

Seeking a Senior Fullstack Engineer to architect and develop a customer-facing platform, bridging AI/ML systems and user features.

Design and build robust cloud services, manage energy systems, enhance productivity of engineering teams, and architect trading platform.

Maintain, enhance, and modernize core payment processing capabilities. Deliver regulatory and customer commitments, resolve production incidents, support migrations (64-bit, ISO 20022), mentor engineers, and improve automation, testing, observability, and security.

In this role, the Staff Frontend Engineer will own checkout and payment flows, optimize user experiences, and collaborate with teams to improve performance and conversion rates.

Design, develop, test, deploy and support full-stack applications; troubleshoot production issues; design database schemas; write unit/UI tests and use CI/CD; collaborate with product owners; mentor and review junior/offshore engineers.

The Software Engineer develops and enhances complex software systems, analyzes requirements, debugs, integrates and improves software solutions, while leading teams and ensuring adherence to standards.

Design and build scalable backend services and data schemas, architect high-volume workflow automation and ML-enabled pipelines, optimize performance, integrate third-party systems, and collaborate with cross-functional teams to deliver production-ready features end-to-end.

Lead the design and implementation of software systems at Chestnut, optimizing for scale and performance while mentoring the engineering team.

The Senior Software Engineer will lead the design and development of core systems, focusing on scalability, reliability, and impactful features in an AI-native operating system for insurance distribution.

Design, build, and maintain mission-critical full-stack applications used across SpaceX. Prototype solutions, own software lifecycle, collaborate on architecture, improve performance, and support production systems.

Design, develop, and deploy software components; handle web requests; support full-stack development in a cloud environment; collaborate with engineers.

Develop, test, and deploy ground mission-operations software for lunar lander systems. Design safety-critical, scalable architectures, integrate with vehicle and ground subsystems, run SIL/HIL validation, support CI/CD and release, produce documentation, and assist operator training and mission operations.

The Software Engineer III will design, build, and maintain large scale backend systems in a cloud native environment, collaborating with product managers and mentoring junior engineers.

Design, build, and maintain large scale backend systems focusing on performance and reliability. Collaborate with product managers to define and implement features, mentor junior engineers, and deliver projects on schedule.

As a Software Engineer in Frontier AI Infrastructure, you'll design secure systems for the public sector, improve engineering standards, and collaborate with cross-functional teams to meet government requirements. You'll also participate in customer engagements and contribute to the product strategy while ensuring compliance with federal regulations.

Develop and maintain high-volume, mission-critical enterprise web applications using C#/.NET, ASP.NET MVC, AngularJS, and SQL Server. Responsibilities include full lifecycle development, architecture and design participation, troubleshooting, performance and scalability improvements, AI-assisted workflow development, Agile collaboration, technical mentoring, and supporting multi-tier systems.

Leads software development teams through complex projects, including system architecture, integration, database and application design, task assignment, milestone planning, coding, testing, documentation, and production support. Serves as a liaison between business owners, technical teams, IT management, and vendors. Provides technical leadership, consultation, staff training, technology recommendations, and project reporting while developing performant software solutions using .NET, C#, ASP.NET, and relational databases.

Own end-to-end development of high-traffic claims, appointments, and payment-posting workflows. Build scalable full-stack features, APIs, data models, tests, dashboards, logging, and alerting for data-dense healthcare billing surfaces. Collaborate with product, design, and billing operations, review code and designs, improve technical standards, and mentor teammates. The role also involves bulk processing, healthcare billing integrations, and selectively deploying LLM-powered productivity features.

Develop and scale Zuora’s high-throughput, highly available subscription experience platform. Design secure APIs, backend and frontend solutions, and multi-tenant applications serving public and B2B users. Collaborate with product, operations, and vendors on architecture and requirements; deploy, monitor, troubleshoot, and optimize production microservices. Lead code reviews, establish technical standards, improve operational processes, and mentor junior engineers.