Top Software Engineer Jobs in Washington DC,

Full-stack engineers will develop features for a system used by radiologists, focusing on low-latency WebSocket workflows and UI/UX design.

Develop and maintain scalable full-stack web applications in a cloud environment. Responsibilities include architecture, coding, testing, deployment, troubleshooting, data ingestion and ETL maintenance, database and API integration, performance and visualization improvements, documentation, and delivery of project artifacts. The role requires collaboration with government agencies and an active Top Secret clearance.

Develop and maintain full stack web applications in a cloud environment. Responsibilities include designing cloud architecture, coding with Python, Java, JavaScript, and C++, managing ETL processes and data sources, developing analytical tools, testing and troubleshooting software, deploying applications, and producing technical documentation and project deliverables. The role requires collaboration with government counterparts and support for application operations, maintenance, upgrades, and strategic planning.

Design, develop, configure, and maintain customized content management solutions using Drupal, WordPress, and related technologies. Build modules, plugins, workflows, APIs, integrations, and custom themes; support content migration and site maintenance; test interfaces and components; address code review findings; and develop technical specifications in a collaborative Agile environment. The role also involves supporting legacy enterprise systems and delivering integrated solutions for clients.

Develop and architect software applications for complex intelligence-sector challenges. Responsibilities include designing collaborative solutions, developing with Node.js and TypeScript, working with databases and search technologies, and using automated testing tools for testing and maintenance. The role requires 6+ years of application or software development experience, a bachelor’s degree, and TS/SCI clearance with polygraph.

Lead MuleSoft Architect responsible for designing and delivering API-led integrations across legacy and low-code platforms (Salesforce, Pega, Appian). Develop reusable APIs, contract-first interfaces, error handling, telemetry, and governance. Use AI tools to accelerate MuleSoft development and testing, translate stakeholder requirements into technical designs, and support phased modernization in a regulated federal health environment. Must obtain Public Trust eligibility.

Lead architecture and engineering initiatives to design, build, and scale cloud-native, microservices-based applications on GCP. Guide stakeholders, author technical documentation, validate non-functional requirements, mentor engineers, drive POCs, and ensure security, accessibility, and data protection for consumer-facing healthcare solutions.

Serves as a hands-on technical anchor for an engineering team, owning architecture and critical-path development. Designs and builds scalable full-stack applications, microservices, REST APIs, event-driven integrations, cloud-native services, Python AI workflows, and data pipelines. Partners with product and business stakeholders on technical roadmaps, maintains code quality, security, and reliability standards, leads complex initiatives, reviews code, and mentors engineers.

Design and implement high-performance 4D world and scene representation systems for multi-agent simulation. Build spatial data structures, mapping and geometry pipelines, and low-latency C++ systems. Drive architecture, API design, cross-team integration, profiling and optimization, and mentor engineers to meet autonomy stack requirements across air, ground, and maritime domains.

Provide PostgreSQL expertise for mission-critical federal applications: design, administer, and optimize databases (on-prem and cloud), ensure HA/DR, enforce security controls, manage Kubernetes and CI/CD for containerized DBs, support production operations with operational discipline, and communicate technical risks to stakeholders.

Senior Dynamics 365 developer to enhance and maintain a Model-Driven Power Apps solution. Responsibilities include customizations, PCF control development, plug-ins, integrations, Power Automate workflows, Dataverse configuration, Power BI reporting, security management, troubleshooting, and supporting Agile delivery and deployments.

Build and maintain a Java and Drools business rules engine governing eligibility, suppression, frequency capping, and consent. Develop Spring services, REST APIs, and Kafka integrations while ensuring deterministic behavior, exactly-once side effects, performance, testing, and compliance in a PHI-handling environment. Collaborate with Product and compliance teams, participate in code reviews, and support cloud-native deployments using Kubernetes and CI/CD.

Build and deploy full-stack healthcare features using TypeScript, React, and Next.js. Develop accessible, trustworthy interfaces for AI-generated clinical content, integrate APIs, manage client state, contribute to component libraries and design systems, and implement HIPAA-compliant data handling. Collaborate with engineers, product managers, and designers through code, architecture, and design reviews. Own features from design handoff through production deployment.

As a Staff Software Engineer, you will lead technical strategies, develop APIs and microservices, and mentor engineers for innovation at GEICO.

Develop and test Workday HCM integrations, define integration strategy, lead workshops, support integration design and configuration, and assist client developers with client-owned integrations. The role also includes knowledge sharing and integration testing using Workday Extend.

Provides expert database administration across Oracle, PostgreSQL, and Microsoft SQL Server environments. Responsibilities include database health checks, backup validation, resource monitoring, issue resolution, preventative maintenance, release coordination, server and database deployment, documentation, ticket queue management, onboarding, and infrastructure process improvements. Supports enterprise-scale systems across Windows and Red Hat Linux environments, including after-hours maintenance and full project lifecycles.

Develop and administer Microsoft platform solutions using agile principles to deliver working software for U.S. federal government clients. The role requires Microsoft configuration and administration proficiency, software development experience, and a bachelor’s degree or equivalent combined with three years of experience.

Lead modernization of EWG's technology and data infrastructure: define technical roadmap, improve data ingestion/validation/processing, implement automation and AI, establish engineering standards and release processes, strengthen delivery discipline, manage and mentor engineers, remain hands-on coding, and communicate strategy and progress to leadership and external stakeholders.