Software Developer - Mid

Everforth ECS is seeking a Software Developer – Mid to work in our Fairfax, VA office.

ECS is building a solution for the Cybersecurity and Infrastructure Security Agency (CISA) under the Department of Homeland Security (DHS). We design, build, deploy, operate, and maintain a complete ‘Data Services’ solution that includes collecting, normalizing, enriching, visualizing, and sharing cyber data from over 100 federal agencies. The solution is an integrated suite of Commercial Off the Shelf (COTS) products, software configuration packages, and custom code.

We welcome developers who thrive in a dynamic, fast‑paced, highly collaborative environment where problem‑solving, critical thinking, and a holistic approach to serving the mission are key. The program operates within the Scaled Agile Framework (SAFe). Continuous learning, improvement, and cybersecurity enthusiasm are required. This position works as part of an agile development team to conduct systems design, analysis, and development of the solution.

Successful candidates demonstrate excellent problem‑solving skills, enjoy tackling technical tasks with little oversight, and think at the broader solution level. A strong desire and aptitude for learning are essential as our solution is rapidly evolving. Candidates must have experience writing well‑structured Python code, using best practices, and a solid understanding of core data pipeline processing capabilities, including design patterns, stream vs bulk processing, ETL/ELT functionality, data stores, and APIs.

• Design, analyze, and develop backend enterprise‑level Python applications.
• Build performant, reliable, and scalable systems.
• Implement or work with ETL/ELT and APIs.
• Work with persistent data storage (relational and No
  
  SQL databases).
• Collaborate with the agile team to deliver reliable code.

• Must be a US Citizen and able to obtain and maintain DHS suitability.
• 3+ years developing backend enterprise‑level Python applications.
• 5+ years building performant, reliable, and scalable systems.
• 2+ years implementing or working with ETL/ELT and APIs.
• 3+ years working with persistent data storage (relational and No
  
  SQL databases).
• 5+ years git experience (Git Hub, Git Lab, Bitbucket, etc.).
• Demonstrated experience writing unit tests to ensure reliable code delivery.
• Strong analytical and problem‑solving skills, with attention to detail.
• Excellent written and oral communication.

• Experience creating Kibana visualizations and writing Kibana queries.
• Experience working with cybersecurity concepts, tools, technologies, and missions.
• 3+ years of experience working in CI/CD.
• 3+ years working on an agile team.
• 3+ years of experience working in AWS.
• Experience with infrastructure as code solutions.
• Experience with message queue services (Rabbit
  
  MQ, SQS, etc.).
• Experience with distributed event platforms like Kafka.
• AWS Certification.

Everforth ECS is the federal segment of Everforth, a $4B global organization with over 10,000 employees. We deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation to defense, intelligence, and federal civilian agencies. Our work powers mission‑critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people.

ECS Federal LLC is an equal‑opportunity employer and does not discriminate on the basis of any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran, or any other status protected by applicable federal, state, or local jurisdiction law.