Top Software Engineer Jobs in Washington, DC

Develop and maintain scalable, reliable search and retrieval systems powering Yext Search and Chat. Responsibilities include full software development lifecycle participation, storage and framework development, system design, testing, deployment, operations, and cross-functional collaboration. The role requires writing clean, documented code and responsibly evaluating AI-assisted development output, with emphasis on performance, relevance, security, privacy, and maintainability.

Software Engineer Interns design, build, test, and debug production-quality software for autonomous systems. Projects may involve applications, embedded flight software, firmware, machine learning, simulation, APIs, data pipelines, or cloud infrastructure. Interns analyze requirements, collaborate with engineers using Agile practices, and deliver real features or capabilities during a 10–12 week paid internship.

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.

Develop, enhance, troubleshoot, and migrate enterprise applications supporting a CBP system. Responsibilities include Java-based software development, database administration and optimization, AWS migration, process automation, data integration, security and error-log monitoring, requirements gathering, documentation, and system deployment. The role supports SQL, Oracle, and MySQL environments and requires collaboration with technical teams, users, and stakeholders.

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.

Develops and maintains Oracle EBS RICEFW components, including reports, interfaces, conversions, extensions, forms, workflows, and bolt-ons. Performs PL/SQL, Forms, Reports, and OAF development, assesses regression impacts, supports OIC and APEX development, manages FBDI and HDL data loads, and rebuilds EBS extensions as Fusion-supported configurations. Requires Oracle RICEFW, PL/SQL, OAF experience, Oracle SQL certification, and U.S. citizenship.

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.

Leads Oracle EBS enhancement development, assigning tasks, verifying unit tests, and coordinating peer reviews before regression testing. Develops with PL/SQL, Oracle Forms, Reports, and OAF; supports release engineering through GitLab and Subversion. Contributes to Oracle Integration Cloud and APEX development and helps migrate legacy PL/SQL and Forms logic to cloud-supported patterns.

Develop and unit-test Oracle EBS enhancements using PL/SQL and SQL, resolve defects in JIRA, and contribute to Oracle APEX and OIC development initiatives. The role includes peer review, regression control, and work in the Oracle AI Database 26ai environment. Candidates must be U.S. citizens, have PL/SQL and JIRA experience, and hold an Oracle Database SQL Certified Associate certification.

The Full Stack Software Engineer develops user-facing features using React and Node, manages data workflows, and collaborates with design and product teams. Responsibilities include shipping product slices and enhancing performance for state government data platforms.

Lead the design, development, deployment, and operation of complex production software for Yext’s Competitive Intelligence products. Provide technical leadership, mentor engineers, guide architecture and technical planning, lead incident response, collaborate across teams, participate in recruiting, and promote high engineering standards. Build customer-facing experiences involving data, AI, visualizations, user interfaces, and agentic workflows while responsibly using and evaluating AI-assisted development tools.

Develop and maintain scalable, resilient web applications using React, Java, and PostgreSQL. Lead significant engineering projects, balance infrastructure investments with pragmatic solutions, collaborate with technical and non-technical stakeholders, mentor engineers, and support reliable production systems through possible on-call participation.

Work on end-to-end customer projects as a Forward Deployed Software Engineer intern: design and implement data-driven solutions, build web apps, wrangle large-scale data, collaborate with cross-functional teams, and travel to client sites. Interns own real-world deliverables and operate with autonomy and mentorship in fast-moving environments.

Design, develop, and maintain ground control and mission-planning software for the X-BAT platform. Build full-stack, low-latency, fault-tolerant systems for telemetry fusion, operator UIs (React/TypeScript), communication interfaces, and integrations with autonomy and flight teams. Lead feature development, write well-tested code, and collaborate across embedded, UX, and flight-test teams to deliver field-ready solutions.

Develop and test autonomy behaviors for unmanned systems using production C++. Implement features for behavior, coordination, motion planning, and survivability. Participate in full software lifecycle, integrate with sensors/actuators, support simulation and real-world testing, collaborate cross-functionally, and travel up to 20% to support integration and testing. Must be eligible for a U.S. Secret clearance.

As a Senior Software Engineer, you'll develop customer-facing features, ensuring user experiences are intuitive and polished, while collaborating closely with product and design teams.

Build and maintain metadata capture, transformation, and delivery pipelines for a data management platform. Develop backend services with Python, Java, and Node.js; integrate relational databases and REST APIs; implement Terraform infrastructure; and support GitLab CI/CD. Optimize distributed systems for performance, reliability, scalability, and secure asynchronous processing. Write automated tests, troubleshoot services using operational metrics, and contribute to AI/ML metadata pipelines, search, data lake, and LLM-powered initiatives.

Contribute production-quality code to Palantir products (Gotham, Foundry, Apollo) across the full product lifecycle. Collaborate with engineers, PMs, designers, and users; prototype, implement, and ship features. Learn on the job with mentorship and opportunities to engage directly with customers to understand real-world use cases.

Join Palantir Production Infrastructure to build and operate large-scale platforms (Rubix, Apollo) and core deployment, observability, and Kubernetes-based PaaS tooling. Own full product lifecycle, collaborate with cross-functional teams, and deploy software supporting civil and defense customers while learning from a paired mentor.

Develop and ship production-quality software for Palantir's Gotham defense product. Work across the product lifecycle on features like geospatial tools and release infrastructure, collaborate with cross-functional teams, and be mentored while contributing code and prototypes to mission-critical systems.

Build and ship scalable software for Palantir Gotham across the full product lifecycle. Collaborate with cross-functional teams, work directly with users to understand problems, and contribute high-quality code while paired with a mentor. May involve field visits to customers to learn mission needs.

Interns contribute production infrastructure code across deployment, observability, and environment platforms (Kubernetes PaaS, Apollo, Rubix). Paired with a mentor, they design, implement, and ship features, collaborate with cross-functional teams, and may observe field deployments with government or defense partners.

Build and ship full-stack government software, including AI-powered product features, Palantir integrations, and reliable platforms serving federal agencies. Responsibilities include technical architecture, end-to-end feature ownership, translating agency requirements, setting engineering standards, mentoring engineers, and operating systems under classified data and compliance constraints.

Design, develop, deploy, and maintain scalable customer-facing software, APIs, workflows, and data-driven services. Define technical requirements, create implementation plans, automate and test releases, review code and architecture, and drive technical decisions. The role includes mentoring engineers, identifying technical gaps, maintaining engineering excellence, and serving as a product-domain expert while collaborating with product managers, data scientists, team leads, and managers.

As a Forward Deployed Software Engineer, you will collaborate with customers to design and implement data solutions, managing projects end-to-end in a dynamic environment while applying strong engineering skills and creativity.