> Markdown version of [/jobs/ext/3928651-full-stack-developer-tssci-w-poly](https://www.wearedevelopers.com/jobs/ext/3928651-full-stack-developer-tssci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - TSSCI w/ Poly - **Company:** Insight Global - **Location:** Reston, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Adaptable Database Systems, Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Systems Engineering, Big Data, Software Quality, Continuous Integration, Data Architecture, Information Engineering, Extract Transform Load (ETL), Software Debugging, Elasticsearch, Python (Programming Language), PostgreSQL, Meta-Data Management, OpenShift, Software Engineering, Data Logging, Backend, Gitlab, Containerization, Gitlab-ci, Information Technology, Data Management, Software Version Control, Data Pipelines, Docker - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3466739783&tx=FL636FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 5+ years of professional software engineering experience, with strong backend development skills * Strong proficiency in Python * Experience building backend systems, APIs, or distributed services in production environments * PostgreSQL and Elasticsearch proficiency * Familiarity with AWS, especially S3, RDS, and other data centric services * Current/active TS/SCI with a current CI polygraph or be willing and able to obtain a CI polygraph. * Bachelor's degree in a related field, e.g. Computer Science, Systems Engineering or equivalent experience * Understanding of software engineering fundamentals including testing, version control, CI/CD, and system design * Tenacious troubleshooting, problem solving and error fixing mentality * Strong communication and collaboration skills, ability to work, collaborate and thrive on a small technical team., * Experience working with data platforms, data pipelines, ETL/ELT workflows, or large-scale data processing systems * Gitlab and Gitlab CI experience * Openshift and Helm experience * Docker and containerization experience * DoD 8570 IAT II and Privileged User Access requirements met (Security+, CySA+, CCNA Security, GICSP, GSEC, SSCP) ## Description * Design, build, and maintain backend services and platform components for a modern data architecture * Build integrations with internal and external data sources, APIs, and event streams * Partner with data engineering, analytics, and product managers to define scalable data models and platform capabilities * Improve reliability, observability, and performance of data workflows and backend services * Implement best practices for testing, monitoring, logging, and deployment * Contribute to architecture decisions around storage, orchestration, metadata management, and access patterns * Help establish engineering standards for code quality, documentation, CI/CD, and operational excellence * Troubleshoot and debug production systems