Everforth ECS Federal is seeking a Senior Software Developer to support a mission-focused federal IT program in Washington DC.
Please Note: This position is contingent upon contract award.
Join Everforth ECS Federal to build and modernize applications that support key federal law enforcement and national security missions. You will work in a collaborative environment where secure software delivery has direct mission impact and where modern development practices help strengthen mission performance, usability, and operational effectiveness.
The Senior Software Developer will develop, test, secure, integrate, and maintain enterprise applications using modern programming languages, frameworks, APIs, and CI/CD practices. This role provides senior-level application development support for mission systems operating in secure federal environments.
The Senior Software Developer will design, code, test, debug, integrate APIs, support CI/CD pipelines, perform code reviews, resolve production issues, and apply secure coding practices throughout the software development lifecycle. This position will work closely with product owners, business analysts, QA engineers, cybersecurity teams, DevSecOps personnel, and customer stakeholders to deliver reliable, secure, and mission-aligned software solutions.
This role requires a hands-on senior technical professional with experience developing enterprise applications, supporting Agile or DevSecOps delivery, troubleshooting application issues, and maintaining secure, high-quality code. The ideal candidate will bring strong problem-solving skills, technical judgment, documentation discipline, and the ability to collaborate across technical and mission teams in a classified or sensitive federal IT environment.
Preferred Qualifications- Minimum 7 years software development experience
- Java, .NET, Python, JavaScript, or similar experience
- Experience with source control and software lifecycle practices.
Skills Required
- Experience developing enterprise applications
- Experience supporting Agile or DevSecOps delivery
- Experience troubleshooting application issues and maintaining secure, high-quality code
- Ability to collaborate across technical and mission teams in a classified or sensitive federal IT environment
- Minimum 7 years software development experience
- Experience with Java, .NET, Python, JavaScript, or similar
- Experience with source control and software lifecycle practices
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.
-
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.
-
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.
-
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.
