Top Software Engineer Jobs in Washington DC,

Develop and maintain full-stack web applications, including responsive front-end interfaces, back-end services, RESTful APIs, microservices, and database solutions. Collaborate with product and design teams, participate in the software development lifecycle, optimize application performance and security, troubleshoot issues, and support testing and deployment. The role requires modern web technologies, strong problem-solving abilities, and effective teamwork in a remote-first agile environment.

Develop custom front-end eLearning experiences using HTML, CSS, JavaScript, React, and the SweetRush Adapt framework. Integrate AI APIs, LLM-driven simulations, chatbots, dynamic feedback, and xAPI tracking. Use AI-assisted coding and agentic workflows to prototype and optimize solutions. Collaborate with instructional designers, graphic designers, and project managers while owning projects from concept through deployment. Ensure responsive design, accessibility, LMS integration, and localization compliance.

Supports the design, development, testing, maintenance, and troubleshooting of web applications using C#, ASP.NET, JavaScript, HTML, ExtJS, and SQL Server. Responsibilities include writing code and database queries, debugging application and performance issues, providing Tier-3 support, participating in Agile/Scrum ceremonies and code reviews, and documenting software modules and fixes.

Leads engineering within a product domain, driving large-scale strategic initiatives across multiple teams. Establishes technical standards, architecture, and scalable best practices; aligns engineering, product, data science, and business stakeholders; guides roadmaps and resource allocation; communicates with executives; and coaches engineering leaders and senior individual contributors.

Build and evolve scalable backend systems and APIs for a large SaaS platform. Partner with Product, Design, and QA from ideation through deployment, contribute to microservices architecture, improve testing and observability, identify operational risks, and mentor teammates. The role emphasizes reliable, maintainable solutions, strong collaboration, architectural decision-making, and continuous improvement.

Lead and mentor software engineering teams across multiple product pods. Provide technical direction, oversee production services and operational readiness, manage on-call and incident response, support hiring and career development, and drive cross-functional planning and delivery. The role requires strong people-management experience, technical judgment, production-service expertise, and the ability to work asynchronously in a distributed startup environment.

Develop and support Guidewire insurance solutions for clients in India. The role focuses on Guidewire PolicyCenter, InsuranceNow, and Guidewire Rating, and requires at least eight years of relevant experience. This is a full-time remote consulting position.

Develop and enhance Salesforce and related technology systems by analyzing business requirements, designing solutions, automating processes, and supporting implementation and maintenance. The role collaborates with internal teams, manages technical projects and vendors, supports integrations and databases, troubleshoots systems, prepares documentation, and translates technical information for nontechnical stakeholders. It is remote with occasional travel and may require work outside normal hours.

Deploys, integrates, hardens, and operates modular C-UAS data and software platforms in secure DoD environments. Builds data pipelines across classification boundaries and disconnected conditions, integrates mission systems, manages Kubernetes-based infrastructure, supports accreditation, and handles observability, incident response, upgrades, and backup recovery. The role also documents solutions, trains mission teams, represents field needs to engineering, and mentors junior forward-deployed data engineers. Most work is remote with occasional travel to restricted environments and SCIFs.

Develop and maintain software applications supporting genetic testing and clinical reporting workflows. Collaborate with geneticists, bioinformaticians, laboratory professionals, and business stakeholders to define requirements and architecture. Troubleshoot defects, ensure data accuracy and system reliability, document processes, support continuous improvement, and comply with security, regulatory, and organizational requirements.