Junior Software Engineer

ECS
Springfield, Virginia, United States · Fairfax, Virginia, United StatesFull-time$90,000–$110,000Posted Aug 25, 2026

About the role

Job Description

Everforth ECS is seeking a Junior Software Engineer to work in an onsite capacity at our Springfield, VA customer site and/or our Fairfax, VA corporate office.

You Will Serve As Jr Software Engineer On a State-of-the-art ML/AI Program Focusing On Integrating Unique Solutions And Quick-wins To a Government Client. Leveraging Agile Software Development Approaches And Your Experience With Front-end And Back-end Technologies, You Will Lead Technical Efforts With Participating Parties Across The Government And Tech Industry To Integrate Multiple ML Applications Into a Single-fused Solution. Part Of This Responsibility Includes

Participating in server-side and client-side work

Enhancing existing applications through creative techniques that are mindful of technical resources and time constraints

Co-leading product direction and feature specification with community stakeholders and Program Manager.

Fundamentally, we are interested in individuals who are motivated by the mission, find meaning in solving hard-problems, and recognize operating in a hierarchically-flat environment makes for better communication, collaboration, and coordination.

Salary Range: 90,000 - 110,000

General Description Of Benefits

Required Skills

Must be a US Citizen

Ability to obtain a Top Secret clearance with SCI + CI Poly

Bachelor’s degree in Computer Science, Engineering, or related STEM field

0-3+ years of relevant experience

Ability develop, integrate, and troubleshoot software applications for Extract, Transform, Load (ETL) solutions in C++, Python, Java, and JavaScript

Strong attention to detail and high-quality code using robust design patterns

Experience in both SQL, NoSQL and in-memory databases (PostgreSQL, Elastic, Redis)

Ability to Build real-time data pipeline and event-driven architectures (Kafka Streaming)

Develop server-side apps and implemented end-to-end distributed tracing and system monitoring (OpenTelemetry)

Design and maintained resilient, high traffic microservices

Proficiency in Python, C++, Node.js, and JavaScript

Experience with Linux -- system administration and scripting in Bash, Sed, and Awk

Expertise in AWS cloud services (compute, storage, networking, IAM), cloud cluster, and policy management experience

API Integration & Development

Experience with containerization/orchestration technologies (e.g. Kubernetes, Docker, Helm, Rancher, OpenShift)

Experience with DevSecOps frameworks (e.g. GitLab, Jira)

Experience developing architecture/system diagrams and data flow diagrams

Excellent communication/presentation skills to make recommendations to stakeholders with varying degrees of technical awareness

Ability to quickly grasp and leverage new technologies

Ability to work in a fast-paced environment

Desired Skills

Active Top Secret Clearance

Data Science concepts familiarity

Oracle Converged Database (RDF Graph DB, Text DB, Relational DB, Geospatial DB, etc.)

RDF Graph DB (e.g., AnzoGraph, Stardog, etc.)

Palantir Foundry Application Development

Experience with cloud technologies (e.g. AWS, Azure, and Oracle)

Experience designing, coding, deploying, and supporting enterprise-level systems

Experience with UI frameworks (e.g. React)

Experience with automation engines (e.g. Ansible)

Experience utilizing big data tools (e.g. Airflow, Django, Elasticsearch, Kibana, PostgreSQL)

Experience with Geographic Information System (GIS) data

Experience with Machine Learning (ML) algorithms

#EverforthECS1

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!

Responsibilities

  • Participating in server-side and client-side work
  • Enhancing existing applications through creative techniques
  • Co-leading product direction and feature specification

Qualifications

  • Must be a US Citizen
  • Ability to obtain a Top Secret clearance with SCI + CI Poly
  • Bachelor’s degree in Computer Science, Engineering, or related STEM field
  • 0-3+ years of relevant experience
  • Ability to develop, integrate, and troubleshoot software applications for ETL solutions in C++, Python, Java, and JavaScript
  • Strong attention to detail and high-quality code using robust design patterns
  • Experience in both SQL, NoSQL and in-memory databases
  • Ability to build real-time data pipeline and event-driven architectures

Skills mentioned

PythonC++JavaScriptNode.jsETLSQLApache KafkaMicroservicesAWSKubernetes

About ECS

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 Core values: Excellence, Drive, Grit, and Community. We seek driven individuals ready to solve meaningful challenges in national security and public service. If you’re ready to make a difference, you’ll find your team here.

IT System Data Services1,001-5,000 employeesFairfax, VA