Software Engineer Jobs in Alexandria, VA

Join an agile team to design, develop, test, and deploy secure enterprise software. Participate in SAFe ceremonies, apply software engineering principles, build automation scripts, promote code reuse, and support the full lifecycle in secure environments.

Develop AI-driven automation for government and national security workflows. Build and evaluate machine learning, LLM, NLP, data pipeline, and agentic systems; analyze complex datasets; create evaluation frameworks; and productionize reliable AI capabilities. Collaborate with engineers, mission specialists, and government users to translate ambiguous requirements into measurable solutions, demonstrate capabilities, gather feedback, and improve mission outcomes.

Develop rapid software prototypes combining frontend applications, data pipelines, APIs, AI/ML models, and automation workflows. Ingest, transform, and integrate structured and unstructured data using Python and SQL; experiment with LLMs, RAG, embeddings, and AI agents; and collaborate with engineers, data scientists, product teams, mission experts, and government customers. Translate ambiguous requirements into demonstrable solutions, evaluate technical approaches, document prototypes, support secure deployments, and identify candidates for productionization.

The Senior iOS Engineer will lead engineering and product decisions, develop production code, and enhance app architecture in a remote team setting.

The Software Engineer, Platform role involves developing and maintaining backend services, designing APIs, and collaborating on B2B solutions while ensuring optimal performance and scalability.

The Software Engineer will be responsible for data collection and infrastructure operations to support AI model training, collaborating with scientists on dataset roadmaps, and ensuring efficient data ingestion pipelines.

Lead the design and development of Windows desktop applications, focusing on architecture, performance, accessibility, and collaboration with teams to shape future features.

The Software Engineer will design and maintain scalable software systems, build data pipelines, and perform geospatial analysis for national security applications.

The AI Software Developer will design, craft, and optimize AI prompts, moving prototypes to operational systems, and architect scalable infrastructures for agentic AI systems.

Design, build, test, and maintain computer applications and systems: write code, troubleshoot bugs, update existing software, and collaborate with cross-functional teams to deliver functional, scalable, and secure technical solutions supporting the program.

Design, build, and maintain automated test frameworks and regression suites for a microservices-based RF spectrum platform. Execute lab, HIL, and outdoor field tests validating RF signal processing, direction finding, geolocation, integrations, and browser-based UIs. Create test plans, traceability matrices, and verification artifacts; collaborate with software, hardware, and systems teams to define acceptance criteria, drive defect resolution, and support CI/CD-driven QA and operational readiness.

The Senior Software Engineer will collaborate with product teams, optimize functionality, and create cloud functions and lightweight backend services using Kotlin to enhance Speechify's user experience.

Lead test automation team and strategy; design and maintain automation frameworks; create automated functional and performance tests (Selenium/Rational); perform manual, integration, accessibility (Section 508) and backend/DB testing; develop test plans, estimates, and reports; execute web services testing; collaborate with DevOps, developers, analysts and clients; support UAT and ensure Public Trust eligibility.