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Senior Software Engineer (Full Stack) - cleared with Security

Company:
Figure Eight Federal LLC
Location:
Arlington, VA, 22201
Posted:
September 25, 2025
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Description:

Figure Eight Federal (F8F): Leading the Future of AI Training Data Figure Eight Federal (F8F) provides accurate and reliable human annotated datasets that fuel AI and machine learning for some of the world's biggest brands. With more than 25 years of industry knowledge, F8F's technology powers many of the AI interactions we experience every day. Our solutions and expertise empower our clients to achieve their AI goals and make a significant impact in their industry. We are seeking a highly skilled Senior Full-Stack Software Engineer to join our team and contribute to the development of innovative data labeling technology. The ideal candidate is a versatile professional with a deep understanding of back-end and front-end development, strong organizational abilities, and a commitment to continuous improvement and delivering exceptional work. Key Responsibilities: Design, develop, and maintain scalable and high-quality full-stack applications

Build and enhance APIs and microservices using modern frameworks and tools

Collaborate with multidisciplinary teams to drive project success

Write automated tests and conduct thorough pull request reviews to ensure code quality

Participate in architectural decision-making and contribute to technical strategy

Other duties as assigned Qualifications and Experience: B.S/M.S. in Computer Science or equivalent relevant experience

Advanced experience with Java, TypeScript, and React (+5 years)

Strong understanding of MVC framework concepts

Hands-on experience with the following tools and technologies:

SpringBoot

PostgreSQL

Kubernetes

Elasticsearch

Activiti, Camunda, or other workflow engines

Containers (ie Docker, Podman, etc)

Proven expertise in API design and implementation

Experience with microservices architecture and cloud-based development

Proficiency in writing automated tests and conducting high-quality code reviews

Exceptional English communication skills (reading, writing, and advanced conversational proficiency) Preferred Skills: Security Clearance (Secret/TS)

Deep understanding cloud infrastructure (AWS, Azure, etc.)

Experience with LLMs, Computer Vision Models, and Decision Support Systems

Experience architecting large data pipelines

Experience working in agile environments and collaborating with multidisciplinary teams

CompTIA Security+ certification What We're Looking for in You: Strong communication and interpersonal skills to work effectively with diverse teams

Organizational skills to manage day-to-day tasks and deadlines efficiently

Commitment to continuous learning, innovation, and delivering your best work

Permanent

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