Top Software Engineer Jobs in Washington DC,

Leads and mentors ServiceNow software engineers delivering complex customer projects. Develops and customizes ServiceNow solutions, troubleshoots platform and integration issues, maintains modules, supports upgrades and deployments, optimizes performance, documents technical solutions, and collaborates with stakeholders. Requires ServiceNow SAM/HAM experience and relevant ServiceNow certifications.

Support building and redesigning responsive, mobile-friendly websites; create wireframes and sitemaps; develop front-end UIs and assist with back-end tasks; optimize for performance, scalability, and SEO; participate in brainstorming, debugging, testing, and follow clean coding and version-control best practices under developer mentorship.

Supports development of Microsoft Power Platform solutions, including Power Apps applications, Power Automate workflows, Power BI dashboards, and SharePoint integrations. Collaborates with stakeholders to automate business processes, manage and validate data, test and deploy solutions, document functionality, and provide customer support. Works with Microsoft 365, Dataverse, Excel, SQL databases, and Agile project teams.

Develops, tests, enhances, and troubleshoots software and database products. Collaborates with senior developers, project managers, and stakeholders throughout design, development, deployment, and code review. Writes unit tests, fixes defects, prototypes features, documents technical decisions, and participates in Agile sprints. The role requires strong programming skills, a bachelor's degree, and the ability to obtain and maintain an active Secret clearance.

Application Engineer responsible for installing, upgrading, configuring, supporting, and maintaining compliance applications in UNIX, Java, Oracle, and AIX environments. The role includes troubleshooting, root cause analysis, vendor and business coordination, SLA-driven issue resolution, Jira and incident-ticket management, requirements analysis, SDLC project support, vulnerability remediation, and SME support for L1 teams.

Configure Manhattan Active Warehouse Management, develop REST and event-driven integrations, create data mappings and cloud-native extensions, and support API testing, SIT, UAT, and production troubleshooting. The role integrates MAWM with ERP, OMS, and material handling systems while collaborating with architects and functional teams in an Agile offshore engineering environment.

Own and accelerate ELSA’s B2B Dashboard during a three-month contract. Build production-ready full-stack features across Go, Python, and Vue.js; shape product requirements; make UI/UX decisions; improve APIs and user experiences; use AI development tools; and collaborate with product, design, business, and engineering stakeholders to deliver high-impact improvements autonomously.

Seeking an expert senior software engineer with 10+ years of experience at top U.S. technology firms to improve foundational AI model capabilities on complex software engineering tasks. The role requires approximately 20 hours per week for a 2–3 week contract. Candidates must complete a 30-minute AI interview and a paid asynchronous software engineering exercise and project-instructions quiz. Compensation varies by geography and experience.

The Back-end Engineer will develop and maintain services and APIs, design data models, and contribute to system stability, collaborating with other engineers and product managers.

Design and deliver scalable, secure enterprise Java solutions. Produce HLDs/LLDs, define APIs, enforce standards, guide development teams, promote microservices, integrate systems, and collaborate with DevOps for CI/CD and deployment.

Full Stack Engineer responsible for building responsive frontends (JS/TS, React preferred) and backend services (Python, Go, or Node.js/TypeScript), designing RESTful APIs, managing databases (Postgres/MongoDB), and deploying on cloud (AWS). Collaborate with teams, optimize performance, and apply DevOps practices (Docker, Kubernetes, CI/CD). Requires strong problem-solving, communication, and 3+ years of experience.