Top Software Engineer Jobs in Washington DC,

Lead architecture, build, and operate a serverless AWS backend (Python, Lambda, CDK, DynamoDB, S3) supporting APIs, event processing, integrations (EHR/CRM/eCommerce/3PL), observability, security, and compliance. Provide technical leadership, drive platform decisions, identify risks and scalability bottlenecks, and establish backend engineering best practices across systems and teams.

Open application for a small, early-stage game studio building a mobile 3D title in Unreal Engine 5. Seeking motivated, technically literate candidates who take ownership, learn quickly, work asynchronously, and thrive in ambiguous, high-responsibility environments. Candidates from engineering, art, design, production, community, or marketing are welcome; portfolios or project samples encouraged.

Design and develop core backend systems and APIs for AI applications, ensuring performance and reliability while collaborating with frontend teams.

The role involves building and debugging components across the stack, focusing on patient care coordination tools, while collaborating with AI technology.

The Senior Backend Engineer will lead client projects, build AI solutions, and develop technical standards while mentoring junior engineers.

Design and maintain scalable data pipelines, ensuring accuracy and reliability. Collaborate with engineers to optimize data systems and enforce best practices.

The Senior Full Stack Engineer builds and ships features across frontend and backend systems, working with various frameworks and databases, while collaborating on technical specifications and improving developer experiences.

The Senior Software Engineer will develop orchestration and autoscaling for the Lucenia search platform, working with cloud technologies and Kubernetes to manage services and mentor team members.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

As a Senior Software Engineer, you will design and implement a high-performance Solana validator client in Zig, translate Rust code, optimize performance, and collaborate with a team.