Junior Software Developer

Engineering Consulting Service; Chantilly (VA); On-site; USD 85,000 - 114,000; Full time

Job summary

ECS Group of Companies in Chantilly, VA is seeking a Junior Software Developer to contribute across the full stack and participate in the design, development, testing, and deployment of custom business applications. You will build modern web services, support architecture for better logging and performance, and help implement DevOps strategies as the company grows.

The role requires a Bachelor’s degree in CS or related field (or equivalent experience) and 0-5 years with degree or 2-5 years

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.

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

Skills

Microsoft stack

Education

Bachelor’s degree in computer science or related discipline

Certifications in Microsoft Development, Agile Development and Microsoft SQL Server (preferred)

Job description

Position & Office Overview

As a Junior Software Developer, you are an integral part of our fast growing development team. You are comfortable working across the full stack and development skills you dream about. You are passionate about building innovative web-based software with a talented team of developers. You know how to set the bar high and not only achieve that goal yourself – but bring others along with you. You get the “big” picture and want to contribute accordingly – and that’s why you’ll have all the opportunity for career growth within our company you’ll want.

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

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

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.

About Us

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. To learn more, click here.