Everforth ECS is seeking a Software Developer Senior to work in our Winchester, VA office. Please Note: 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.
Preferred Qualifications- 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
Skills Required
- Bachelor's degree
- TS/SCI clearance
- Minimum of 4 years experience in AWS Cloud based solutions, C#, Java, or Python
ECS Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ECS and has not been reviewed or approved by ECS.
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Healthcare Strength — ECS advertises multiple national-network medical plan options with HSA eligibility alongside dental and vision coverage. Coverage generally begins quickly and is paired with company-paid short- and long-term disability, adding stability to the health package.
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Retirement Support — A 401(k) with Safe Harbor and immediate vesting on employer contributions is emphasized, with an employer match available. Access to an employee stock purchase plan via the parent company provides an additional savings avenue.
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Parental & Family Support — Paid parental leave up to 30 days, adoption assistance, and other family-oriented leaves are highlighted. Feedback suggests these offerings add meaningful value beyond base pay for many roles.
ECS Insights
What We Do
ECS, a segment of ASGN (NYSE: ASGN), delivers advanced solutions and services in cloud, cybersecurity, artificial intelligence (AI), machine learning (ML), application and IT modernization, and science and engineering. The company solves critical, complex challenges for customers across the U.S. public sector, defense, intelligence and commercial industries. ECS maintains partnerships with leading cloud, cybersecurity, and AI/ML providers and holds specialized certifications in their technologies. Headquartered in Fairfax, Virginia, ECS has more than 3,400 employees throughout the U.S. and has been recognized as a Top Workplace by The Washington Post for the last five years.








