Junior Software Developer

ECS Group of Companies; Chantilly (VA); On-site; USD 85,000 - 114,000; Full time

Job summary

ECS Group of Companies is seeking a software developer in Chantilly, VA to design, prototype, and deploy custom business applications using the latest tools. You will build web services to integrate with internal and external APIs and enhance the application architecture for logging, error handling, and performance.

The role involves implementing DevOps practices to improve automation and reduce waste, scaling platforms, and staying current with new technologies.

Qualifications

• Bachelor’s degree in computer science or related discipline; or equivalent work experience.
• 0-5 years with a degree or 2-5 years without a degree of experience as a developer using the Microsoft technology stack.
• Certifications in Microsoft Development, Agile Development and Microsoft SQL Server would be a plus.
• Experience designing and prototyping business applications and building modern web services is desirable.

Responsibilities

• Participate in the project lifecycle by designing, storyboarding, prototyping, developing, testing, deploying, and implementing custom business applications using the latest tools and technologies.
• Build modern web services to integrate with various internal and external services and APIs.
• Support our application architecture to improve logging, error handling, and performance.
• Implement DevOps strategies to improve automation and reduce waste.
• Help scale our platforms as we grow.
• Stay current with emerging technologies and trends.
• Assist in the contribution and enhancement of assigned ECS projects.
• Develop an understanding of ECS domain knowledge and development best practices.
• Bachelor’s degree in computer science or related discipline; or equivalent work experience.

Skills

Project lifecycle

Web services

DevOps

Logging & performance

Emerging technologies

Education

Bachelor’s degree in CS or related

Tools

Microsoft SQL Server

Microsoft technology stack

Agile Development

Job description

• Participate in the project lifecycle by designing, storyboarding, prototyping, developing, testing, deploying, and implementing custom business applications using the latest tools and technologies
• Build modern web services to integrate with various internal and external services and APIs
• Support our application architecture to improve logging, error handling, and performance
• Implement DevOps strategies to improve automation and reduce waste
• Help scale our platforms as we grow
• Stay current with emerging technologies and trends
• Assist in the contribution and enhancement of assigned ECS projects
• Develop an understanding of ECS domain knowledge and development best practices
• Bachelor’s degree in computer science or related discipline; or equivalent work experience
• 0-5 years with a degree or 2-5 years without a degree of experience as a developer using the Microsoft technology stack
• Certifications in Microsoft Development, Agile Development and Microsoft SQL Server would be a plus

• Participate in the project lifecycle by designing, storyboarding, prototyping, developing, testing, deploying, and implementing custom business applications using the latest tools and technologies
• Build modern web services to integrate with various internal and external services and APIs
• Support our application architecture to improve logging, error handling, and performance
• Implement DevOps strategies to improve automation and reduce waste
• Help scale our platforms as we grow
• Stay current with emerging technologies and trends
• Assist in the contribution and enhancement of assigned ECS projects
• Develop an understanding of ECS domain knowledge and development best practices
• Bachelor’s degree in computer science or related discipline; or equivalent work experience
• 0-5 years with a degree or 2-5 years without a degree of experience as a developer using the Microsoft technology stack
• Certifications in Microsoft Development, Agile Development and Microsoft SQL Server would be a plus

The expected pay range for this role and location is $85,000 - $114,000/year. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer.