Demo

Full Stack Developer

Electronic Consulting Services, Inc (ECS Federal)
Arlington, VA Full Time
POSTED ON 7/16/2026
AVAILABLE BEFORE 8/16/2026
Job Description

ECS is seeking a Full Stack Developer to work with data scientists and analysts to rapidly design, implement, test, and deploy applications and cloud-based platforms capable to tackling complex analytical tasks using large datasets. This position works for the US Postal Services' Inspector General's Office (OIG) at our Arlington, VA office.

Please Note: This position is contingent upon additional funding and requires a Public Trust background investigation. This entails an in-depth background check & either ship or Permanent Resident () status.

Responsibilities include:
  • Work with data scientists and analysts to rapidly design, implement, test, and deploy
    applications capable to tackling complex analytical tasks using large datasets
  • Communicate with end users, team lead, and team members to create and support new
    products and features
  • Communicate with product users to enhance or troubleshoot products
  • Design client-side and server-side architecture
  • Build the front-end of applications through appealing visual design
  • Write effective APIs
  • Build features and applications with a responsive design
  • Write technical documentation and support data governance strategy
  • Function in an Agile based team environment
Note: This position requires working onsite 4 days a week at out USPS customer site in Arlington, VA.

Salary Range: $100,000 - $120,000 annually

General Description of Benefits

Required Skills

  • Professional certification(s) in a related field of web development and/or front-end/back-end
    disciplines
  • Degree in Computer Science, Web Development, or relevant field
  • 3 years of JavaScript development experience (client-side and server-side)
  • 5 years of experience with full stack development
  • 5 years of experience and skill writing coding languages (e.g. Python, JavaScript, SQL, C#)
  • Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Typescript,
    jQuery)
  • Knowledge of front-end frameworks (e.g. Angular, React, Node.js)
  • Knowledge of multiple back-end languages (e.g. Python/C#) and backend frameworks (e.g. Flask,
    Django)
  • Familiarity with databases (e.g. MySQL, Teradata), web servers (e.g. Apache) and UI/UX design
  • Experience in designing and integrating different API architectures (e.g. REST, gRPC)
  • Server management and deployment for the relevant environments (e.g. Azure, AWS)
  • Knowledge of message brokers (e.g. Kafka, EventHub), version control (e.g. Azure DevOps,
    GitHub) and Websockets
  • Knowledge of architectural patterns (e.g. Monolith, Microservices, Serverless, Service Mesh)


Desired Skills

  • Familiarity with Agile and/or Scrum
  • Knowledge or familiarity with Databricks
  • Experience with UI/UX design is desired
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!

#EverforthECS1

Salary : $100,000 - $120,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Full Stack Developer?

Sign up to receive alerts about other jobs on the Full Stack Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$101,441 - $130,752
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Electronic Consulting Services, Inc (ECS Federal)

  • Electronic Consulting Services, Inc (ECS Federal) FAIRFAX, VA
  • Job Description Everforth ECS is seeking a Remote Project Manager who lives in close proximity to the National Capital Region (NCR) to join a premier, ente... more
  • 1 Day Ago

  • Electronic Consulting Services, Inc (ECS Federal) ARLINGTON, VA
  • Job Description Everforth ECS is seeking a highly skilled Senior Full Stack Engineer with extensive experience in designing, building and maintaining large... more
  • 1 Day Ago

  • Electronic Consulting Services, Inc (ECS Federal) Springfield, VA
  • Job Description Everforth ECS is seeking a Data Engineer to work in a hybrid remote/onsite capacity, with minimum of 3 business days onsite with the potent... more
  • 1 Day Ago

  • Electronic Consulting Services, Inc (ECS Federal) ARLINGTON, VA
  • Job Description Everforth ECS is seeking a Delivery Lead to work out of our Arlington, VA office. T he Delivery Lead is a senior operational and people lea... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Full Stack Developer jobs in the Arlington, VA area that may be a better fit.

  • EIGENNET LLC Washington, DC
  • Job Title: Full Stack Software Developer Employment Type: Full-Time with Benefits Work Location: Onsite Place of Performance: Washington, DC 20515 Work Aut... more
  • 8 Days Ago

  • Axle Rockville, MD
  • (ID: 2025-0609) Axle Informatics is a bioscience and information technology company that offers advancements in translational research, biomedical informat... more
  • 8 Days Ago

AI Assistant is available now!

Feel free to start your new journey!