Top Software Engineer Jobs in Washington DC,

Design, develop, test, secure, and maintain enterprise applications and APIs using C# and modern .NET. Build database solutions, RESTful integrations, automated tests, and CI/CD pipelines while supporting Agile and DevSecOps delivery. Modernize legacy applications, troubleshoot production issues, conduct code and design reviews, and remediate security findings. The role requires an active DoD Secret clearance and U.S. citizenship and is remote within the United States during Pacific Standard Time hours.

Develop and maintain web solutions using SharePoint, HTML, CSS, JavaScript, and Microsoft Power Platform tools. Translate business needs into technical solutions, support Army 365 collaboration environments, troubleshoot systems, and comply with DoD cybersecurity, identity management, governance, and access-control requirements. The role supports SIPR/NIPR environments and requires an active Secret clearance, U.S. citizenship, and onsite work at the Pentagon.

Develop and sustain a Microsoft 365 and SharePoint-based certification portal for the Threat Finance Certification Program. Build workflows, forms, dashboards, data structures, examination systems, reporting tools, and knowledge repositories. Translate program requirements into technical solutions, manage integrations and data quality, support testing and deployment, troubleshoot systems, and implement access controls aligned with DoD security standards.

Design, develop, configure, and enhance ServiceNow applications, Service Catalog offerings, workflows, and Service Portal experiences. Create automation using Business Rules, Client Scripts, Script Includes, ACLs, and workflows. Collaborate with Department of State stakeholders, provide technical leadership, troubleshoot platform issues, support multiple instances, and deliver solutions through Agile/Scrum processes. Maintain platform stability, advise teams on best practices, and support testing, deployment, and rollouts.

Develop and maintain secure, scalable Salesforce solutions for a federal healthcare modernization program. Build Apex, Lightning Web Components, Flow, and API integrations; translate requirements; troubleshoot application and data issues; support testing, deployments, releases, documentation, Agile ceremonies, and DevSecOps processes. Collaborate with architects, administrators, QA, integration teams, and stakeholders while meeting federal security, privacy, accessibility, and governance requirements.

Build and configure CMS websites, including templates, components, responsive layouts, content migrations, navigation, metadata, SEO, forms, integrations, and analytics tools. Test sites across browsers and devices, resolve bugs, train internal teams, and document ongoing maintenance. The role supports federal client projects on an as-needed freelance basis and requires accessibility, security, and responsible AI awareness.

Design, build, and maintain Quantifind's Apache Spark batch pipelines and backend platform that generate risk signals from diverse data sources. Implement scalable algorithms, data services, ETL pipelines, and microservices; deploy on Kubernetes and optimize storage/caching and distributed processing. Collaborate with Data Scientists, DevOps, Product, and Sales to deliver performant, testable systems processing terabytes daily.

Designs, develops, optimizes, secures, and maintains complex relational and spatial databases supporting intelligence processing and geospatial tracking. Responsibilities include multi-source data integration, cloud database migrations, data ingestion and retrieval improvements, enterprise architecture, performance tuning, system integration, and database security. The role uses PostgreSQL, Oracle, PostGIS, SQL, and cloud platforms while supporting mission-critical data analysis and mentoring team members.

Architect and develop DC DMV iOS and Android mobile applications integrated with MBaaS and JAX-RS services. Design Java backend systems using Spring technologies, support continuous feature releases, and work with application servers, Linux, OpenShift, Git, Maven, and CI/CD practices. The role requires extensive enterprise mobile and backend architecture experience, along with strong object-oriented Java development and knowledge of omnichannel technologies such as NFC, BLE, and IR.

The Senior Developer will design, develop, and maintain reporting solutions, collaborating with teams to improve financial reporting and analytics using various technologies, including Power BI and SQL.