Software Developer - Senior

Everforth ECS; Virginia; On-site; USD 120,000 - 160,000; Full time

Job summary

Everforth ECS in Stafford, VA is seeking a Senior Developer to design, develop, and maintain mission-critical law enforcement applications using C#, Blazor, HTML, and .NET. You will work with large data sets, RESTful services, and modern UI layers to support investigations and data sharing.

You will participate in Agile ceremonies, create unit and integration tests, mentor junior developers, and collaborate with product stakeholders to deliver reliable, scalable software and continuous delivery.

Qualifications

• Bachelor's degree or additional relevant experience.
• 8+ years software development experience, preferably with C# and .NET.
• Experience with HTML/CSS and web-based applications.
• Experience with RESTful APIs and service-oriented architectures.
• Strong communication and collaboration in Agile teams.

Responsibilities

• Design and develop testable code using C#, HTML, Blazor, and Entity Framework
• Develop and maintain unit and integration tests
• Actively participate in Agile sprint planning and retrospectives
• Participate as a team member/lead in sprint demonstrations and presentations to product stakeholders
• Experience leading junior/mid developers and coordinating team efforts

Skills

C#

.NET

Blazor

HTML

SQL Server

RESTful APIs

Unit Testing

Agile/SCRUM

Leadership

Communication

Education

Bachelor's degree or additional relevant experience

Tools

Azure DevOps

Jenkins

GitHub

Docker

Kubernetes

Job description

ECS is seeking aDeveloper to work in ourStafford, VA office.

This role supports a program providing application design, development, enhancement and implementation support to mission critical law enforcement applications. These applications are designed to manage large data sets and indexes and support information sharing, data analysis, and electronic exchange to support investigations and collaboration to identify previously unknown connections and streamline the processes for searching and utilizing available data sets.

The primary functions for this position include:

• Design and develop testable code using C#, HTML, Blazor, and Entity Framework
• Develop and maintain unit and integration tests
• Actively participate in Agile sprint planning and retrospectives
• Participate as a team member/lead in sprint demonstrations and presentations to product stakeholders
• Bachelor's degree or additional relevant experience
• At least 8+ years software development experience, preferably with C# and.NET. Years of experience can be offset with certifications
• Able to work across services, able to identify potential challenges, design and communicate solutions
• Developing unit tests with NUnit, xUnit, or other frameworks
• Relational database design and development experience, preferably using SQL Server
• Experience developing web-based applications, including use of HTML and CSS
• Experience developing or consuming services and RESTful APIs
• Experience working with an agile team using SCRUM, XP, Kanban, or other Lean development approaches
• Knowledge of Continuous Integration/Continuous Delivery tools such as Azure DevOps, Jenkins, or GitHub
• Excellent interpersonal, communication, and organizational skills
• Desire to work in a collaborative and team-focused environment
• Strong attention to detail, critical thinking skills, and solid troubleshooting ability
• Experience in being a people manager for junior/mid developers.

Desired Skills

• Experience developing with component-based frameworks such as Blazor, Angular, or React
• Experience managing and leading other developers within a team
• Experience working with AWS or Azure services and cloud technologies
• Knowledge of DevOps techniques and approaches to software development
• Knowledge of Docker and containers
• Knowledge of Kubernetes or other container orchestration technology
• Knowledge of Behavior Driven Development (BDD) or Test-Driven Development (TDD)

ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis 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.

Everforth ECS is the federal segment of Everforth , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow.

We value:

• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven

Meet the challenge. Make a difference with Everforth ECS!

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ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis 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.

Everforth ECS is the federal segment of Everforth , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow.

Meet the challenge. Make a difference with Everforth ECS!