Top Senior Software Engineer Jobs

Remote Senior Software Engineer who evaluates Microsoft and complementary technologies, designs and implements custom software (C#, JavaScript, SQL), applies cloud and DevOps practices (Azure/AWS, CI/CD, containers), mentors and networks professionally, and continuously learns and advises clients.

As a Senior Software Engineer, you'll design and maintain the core domain model, manage money invariants, and develop AI infrastructure, ensuring system correctness and compliance with HIPAA, while supporting scalable health solutions.

Design, develop, and maintain secure, scalable APIs and backend services for digital payment experiences. Collaborate with product, UX, and engineering teams to translate requirements into microservices-based solutions; drive architecture, code quality, CI/CD, observability, and operational excellence; mentor engineers and stay current on emerging technologies to improve platforms and customer experiences.

Senior software systems engineer responsible for high-level design and oversight of software, hardware, and firmware systems. Lead Agile development, ensure quality and security standards, mentor engineers, manage multiple projects, support procurement, perform technical reviews, generate performance reports, and integrate emerging technologies into defense test and training environments.

Design, build, and maintain integrations between Flow and customer systems (PLM/ALM, requirements, issue trackers, VCS). Implement reliable data sync, APIs, and webhooks; operate integrations in production and work directly with customer engineering teams to scope and deploy integrations.

Develop and maintain containerized Java/Spring Boot microservices and React UIs for satellite control, scheduling, orbit and trajectory calculations. Deploy to Kubernetes, integrate vendor interfaces, support launch operations, and extend system capabilities while collaborating with mission operators and engineers on-site.

Design, build, and own web and mobile applications and backend infrastructure. Implement APIs, database schemas, and scalable microservices. Integrate and productize ML/DL models, leverage code-generation tools, and collaborate with design, data science, and aviation experts to deliver production-ready SaaS features.

Design, build, and own full-stack web and mobile applications and backend infrastructure. Architect scalable APIs, databases, and orchestration services, integrate and productize ML/AI models, collaborate with design and data science, and drive the software lifecycle from prototype to production.

Build and own end-to-end marketplace monetization features: React checkout and billing UIs, backend services in Java/Python/Go for entitlements, metering, invoicing, and payment orchestration. Ensure reliability, observability, fraud prevention, and idempotency in transactional pipelines. Collaborate with product, billing, and operations; participate in design, code reviews, and testing; and drive improvements in monitoring and operational tooling.

Seeking a Staff Software Engineer to design and build cloud-deployed systems. Must have extensive programming and leadership experience in software engineering.

Design, develop, and deploy cloud backend microservices for vehicle access. Build secure APIs, ensure scalability, performance, and reliability. Collaborate with cross-functional teams, integrate with mobile and embedded platforms, mentor engineers, perform code reviews, troubleshoot production issues, and maintain technical documentation and automated tests.

Design and implement mission-critical in-vehicle user interfaces for Rivian vehicles. Collaborate with UX/UI and studio teams to build intuitive 2D/3D applications, test in labs and prototype vehicles, troubleshoot issues, research new technologies, and integrate software across divisions.

Design, develop, and maintain cloud backend microservices for vehicle access across vehicle models. Lead architecture, build secure APIs, ensure scalability and reliability, integrate with mobile and embedded systems, mentor engineers, and collaborate with cross-functional teams on deployment and security.

The Senior Software Engineer will design, develop, and maintain software applications using Python, C#, C++, and Linux, while collaborating with cross-functional teams to optimize performance and user experience.

As a Senior Software Engineer, you will develop key product features for millions of users, collaborate with teams, and mentor others.

The Senior Software Engineer will architect and deliver backend systems, optimize API performance, and mentor teammates while tackling various distributed system challenges.

As a Senior Data Engineer, you will design and develop AI-powered data solutions, investigate tools, and collaborate with engineering to enhance Sleuth's platform.

Lead development of AI-powered full-stack applications, mentor engineers, define technical direction, build performant front-end and scalable backend services, integrate LLMs/RAG, and establish engineering best practices for production AI workflows.

The Staff Software Engineer leads design and modernization of payment systems, mentors engineers, drives architectural decisions, and ensures high-quality software delivery.

Lead the design and development of an expense management platform, mentor engineering teams, and collaborate with stakeholders on product requirements.

The Senior Software Engineer will lead the design and development of an expense management platform, mentoring teams, integrating technologies, and ensuring project milestones are met efficiently.

Provide technical ownership and leadership for Amex's third-party travel platforms, focusing on integration architecture, vendor engineering, and long-term outcomes.

Lead development of advertisement technologies, design scalable solutions, collaborate across teams, conduct code reviews, and mentor junior engineers to enhance American Express' digital advertising capabilities.

The role involves mentoring junior engineers, directing software design and development, writing automated unit tests, and collaborating with teams to enhance software quality and efficiency.

Design and develop web components, drive innovation in digital channels, analyze and modify software, mentor teams, and ensure code quality.