Demo

Junior Software Engineer

Electronic Consulting Services, Inc (ECS Federal)
Springfield, VA Full Time
POSTED ON 3/30/2026 CLOSED ON 4/8/2026

What are the responsibilities and job description for the Junior Software Engineer position at Electronic Consulting Services, Inc (ECS Federal)?

Job Description

ECS is seeking a Jr. Software Engineer to work onsite at our Springfield, VA customer site.

Job Description:

You will serve as Jr. Software Engineer on a state-of-the-art ML/AI RDT&E 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.

Required Skills

  • Bachelor's degree in Computer Science, Engineering, or related STEM field with 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

  • 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

Salary.com Estimation for Junior Software Engineer in Springfield, VA
$87,748 to $106,892
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