Top Senior Software Engineer Jobs in Washington, DC

Leads the development and deployment of data solutions using Palantir Foundry and AIP. Manages engineering teams, coaches team members, oversees project planning and execution, analyzes system interactions, manages client relationships, and drives innovation. The role applies software engineering, data engineering, analytics, and AI/ML techniques to deliver scalable client solutions while maintaining technical and professional standards.

Leads the development and deployment of software and data solutions using Palantir Foundry and AI/ML technologies. Responsibilities include data engineering, analytics, system improvement, client account management, project ownership, team leadership, coaching, stakeholder engagement, and continuous improvement. The role requires building scalable applications with large datasets and delivering customer-focused solutions.

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.

Design, develop, and deploy cloud applications in a secure Army cloud environment. Modernize a large-scale document management and search platform, optimize indexing and metadata for over 100 million documents, integrate generative AI and machine learning, and improve scalability. Responsibilities also include cloud security controls, system administration, DevSecOps, CI/CD, database optimization, user interface development, maintenance, and support within a hybrid government environment.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Develop and maintain Java web applications that interact with databases. Responsibilities include gathering requirements, writing Java and SQL code, optimizing database queries, supporting backend development and data integration, applying Agile and software development best practices, and collaborating with technical teams to deliver quality code.

Designs, develops, deploys, and maintains software applications, APIs, analytics solutions, AI-enabled capabilities, and automation services. Builds CI/CD pipelines, automated testing, governance controls, and monitoring processes. Integrates AI models and services such as LLMs, OCR, NLP, and ranking models into mission applications. Collaborates with stakeholders, documents technical solutions, and improves system reliability, security, scalability, and operational effectiveness.

Develop and maintain production numerical software in Python for electromagnetic sensing systems. Architect APIs and integrations, optimize signal-processing code through vectorization, JIT, GPU acceleration, or compiled bindings, and establish testing and CI practices. Partner with signal-processing engineers to productionize algorithms from research and MATLAB prototypes. The role requires on-site work in Washington, D.C., periodic travel up to 30%, U.S. citizenship, and eligibility for a security clearance.

Develop and maintain Java, Python, JavaScript, and Oracle-based applications for Department of the Navy missions in classified and unclassified environments. Implement software enhancements, troubleshoot defects, optimize databases, support release pipelines, apply secure coding practices, and mitigate vulnerabilities. Research and develop AI capabilities using AWS services and modern frameworks. Collaborate with Agile teams, Government stakeholders, and auditors while supporting compliance and modernization initiatives.

Develop and maintain Java, Python, JavaScript, and Oracle applications supporting Department of the Navy missions. Responsibilities include full software development lifecycle delivery, secure coding, database performance optimization, vulnerability mitigation, release pipeline support, AI research and implementation, architecture modernization, troubleshooting, and audit compliance within an Agile Scrum environment.

Build and maintain backend services and metadata pipelines supporting data discovery, governance, and AI/ML workflows. Responsibilities include integrating relational databases, developing Java, Node.js, and Python services, optimizing distributed pipelines, implementing Terraform infrastructure, supporting GitLab CI/CD, and writing comprehensive tests. The role also involves troubleshooting scalability and reliability issues, designing asynchronous workflows, and collaborating on modern data lake, search, metadata, and LLM-enabled technologies.

Develop, integrate, test, and maintain full-stack software from requirements through production. Build backend services, APIs, data integrations, and user-facing web applications using modern frameworks, cloud technologies, and relational databases. Participate in technical design, troubleshooting, code reviews, Agile development, and software quality improvements. Collaborate with engineers, architects, product owners, and mission stakeholders while supporting maintainable, secure, and reliable solutions.

Develops and delivers resilient full-stack applications and services for Vantage’s reinsurance business. Responsibilities include application design, coding, debugging, testing, architecture discussions, risk management, roadmap estimation, stakeholder consultation, and coordination across project teams. The role promotes software engineering standards, DevSecOps, CI/CD, agile practices, innovation, and mentoring while building solutions with JavaScript, React, Node.js, Python, cloud, serverless, and modern infrastructure technologies.

Designs and develops cloud-based and on-premises data and integration solutions for payer operations. Responsibilities include architecting integrations across SaaS, Epic EMR, and enterprise data platforms; coding, testing, debugging, and performance optimization; troubleshooting data issues; collaborating with product and business stakeholders; incorporating AI/ML; and maintaining architecture documentation, governance, and best practices.

Leads architecture, full-stack development, scalable application design, dashboards, backend integrations, AI-enabled features, cloud infrastructure, DevOps, monitoring, and production support. Mentors engineering teams, establishes technical standards, guides strategy, and develops solutions for payer operations, metadata, contracts, and performance measurement.

Develop highly available, scalable cloud-based integration services for Axon’s real-time operations platform. Drive cross-team technical architecture, integration frameworks, partner onboarding, technical roadmaps, and reusable platform components. Collaborate with engineering, product, design, professional services, and external partners; lead architecture reviews, mentor engineers, improve engineering processes, and leverage AI to enhance customer experiences.

Own architecture and technical direction for mission-critical Rust services, including an AI/API gateway, policy engine, Kubernetes controller, and ingestion worker. Write production Rust code while supporting Kubernetes, Helm, Argo CD, AWS EKS, Terraform, and Python tooling. Use AI coding tools daily, support secure government deployments, and contribute to on-call, observability, security engineering, and agentic AI services.

Lead development of full-stack software systems and platforms supporting digital safety research, data analysis, evaluation, and dissemination. Set technical direction, design architectures and data frameworks, establish engineering practices, and guide AI-assisted development. Mentor engineers, support hiring and onboarding, collaborate with stakeholders, communicate technical work, and contribute to cross-functional initiatives.

Develop responsive web applications and modernize legacy systems while combining frontend engineering with UI/UX design. Create wireframes, user flows, prototypes, and design standards; conduct user research; present designs; and incorporate stakeholder feedback. Collaborate with product, design, and engineering teams, support RESTful APIs and database design, and implement user stories in Agile/Scrum environments. The role requires occasional classified-facility visits and work with government, DoD, or Intelligence Community systems.

Develops and implements full-stack software solutions from concept through production using agile methods. Designs, modifies, and enhances applications; writes front-end and back-end code; solves complex technical and workflow problems; evaluates architecture and operating environments; collaborates with cross-functional teams; and identifies system improvements. The role requires DHS suitability and participation in a government investigation and skills assessment.

Leads the design, implementation, and evolution of enterprise observability and logging platforms. Builds automation, CI/CD integrations, infrastructure-as-code solutions, data routing and transformation pipelines, and AI-native tools for issue detection and resolution. Architects scalable distributed systems, optimizes performance and costs, mentors engineers, conducts code reviews, and collaborates with SRE, security, networking, platform engineering, and data science teams. Requires deep expertise in OpenTelemetry, Splunk, logging, observability maturity, automation, and AI solution development.

Leads end-to-end software product engineering across complex programs, defining technical vision, architecture, roadmaps, and delivery practices. Develops full-stack Java/Python and Angular/React applications using SQL/NoSQL, AWS, microservices, APIs, streaming, CI/CD, and DevSecOps. Establishes engineering standards, performance and security practices, mentors engineers, oversees codebases, integrates AI capabilities, and communicates progress, risks, and tradeoffs to executives and cross-functional stakeholders.

Lead architecture and full-stack development for scalable applications, including interactive dashboards, backend microservices, APIs, data integrations, AI-enabled features, MFT orchestration, and cloud-native DevOps infrastructure. Establish monitoring and operational standards, resolve complex production issues, guide technical strategy, mentor engineers, and collaborate with product leadership on technical roadmaps.

Build and maintain full-stack web applications, interactive dashboards, backend integration services, resilient APIs, and AI-enabled features. Collaborate with engineering, data, product, and DevOps teams to integrate databases, automate deployments, troubleshoot cloud and hybrid environments, and scale enterprise application capabilities. Apply modern frontend, backend, DevOps, data visualization, and continuous delivery practices.

Own the navigation and positioning stack for head-worn and body-worn systems. Develop inertial, GNSS, calibration, sensor-fusion, and attitude-estimation solutions; integrate sensors across hardware and embedded software; and build testing, validation, and data-replay infrastructure. Collaborate with perception, firmware, mechanical, and manufacturing teams to deliver robust production navigation in challenging environments. Validate performance through laboratory and field testing against ground truth.