Software Developer Senior
Listed on 2026-04-17
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Software Development
Software Engineer, Full Stack Developer
Job Description
ECS is seeking a Software Developer Senior to work in our Winchester, VA office. This position is contingent upon contract award.
Responsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. This includes the programmatic integration of third‑party components, the introduction of new custom capabilities, modification of existing code, process improvement recommendation, and automation of operations and maintenance tasks. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large‑scale data processing, computationally intensive statistical modeling, and advanced analytics.
Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance. Duties include technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. Provides technical lead of development staff, along with peer level interaction with project managers and architects.
- Bachelor's degree
- TS/SCI clearance
- Minimum of 4 years experience in one of the following fields of expertise:
- AWS Cloud based solutions
- C#
- Java
- Python
- Current SAFe Software Engineer (ASE) Certification
ECS is an equal opportunity employer and does not discriminate or allow discrimination 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.
ECS is a leading mid‑sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3,200+ employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.
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