Mid-Level Backend Software Engineer

B/CORE
Gaithersburg, Maryland, United StatesFull-time$87,000–$157,450Posted Sep 12, 2026

About the role

Mid-Level Backend Software Engineer Gaithersburg, MD Active TS clearance (SCI eligibility) and eligibility to obtain a CI poly required At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team supporting the NGA customer's mission as a Backend Software Engineer. Responsibilities What you get to do every day: * Backend Development: Design, develop, test, and maintain backend application components using Java or Python

REST API Development: Develop and maintain RESTful services to support application functionality and system integrations

Object-Oriented Programming: Apply object-oriented design principles to build scalable and maintainable systems

Database Development: Write and modify SQL queries to support application functionality and data retrieval

Data Source Collaboration: Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems

Linux Environments: Develop and troubleshoot applications within Linux-based environments

Data Processing & Business Logic: Implement backend logic for data transformation, processing, and system workflows

Bug Fixing & Enhancements: Identify, debug, and resolve application-level defects and performance issues

Code Quality: Follow coding standards, participate in code reviews, and support documentation efforts Qualifications Clearance Required: Active TS clearance (with SCI eligibility) and eligibility to obtain CI poly Education/Experience: * Requires bachelor’s or master’s degree in computer science, software engineering, or a related field

4-8 years of experience with a bachelor’s degree, or 2-6 with a master’s degree Required Skills: * Professional experience developing object–oriented applications in Java or Python

Hands–on experience building and maintaining RESTful APIs

Basic to moderate experience with SQL capability, including writing queries and working with relational databases

Working knowledge of Linux–based environments

Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

What is ideal? * Experience with Apache Airflow or similar workflow orchestration technologies

Experience with Spring Boot, Django, or similar backend frameworks

Exposure to CI/CD pipelines (GitLab, Jenkins, etc.)

Familiarity with containerization (Docker, OpenShift)

Exposure to cloud environments (AWS or Azure)

Experience working in Agile development environments

Intelligence Community Experience preferred What you can expect from us * Recognizing great achievements do not go unnoticed by bcore through service anniversaries, spot awards, and employee referral bonuses

You’ll join a growing organization of passionate, top-shelf, IT engineering professionals with extensive experience in actively developing the technology revolution in the Intelligence community * The expected salary range within the Washington, DC metropolitan area is: $87,000 - $157,450. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee.

Benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more.

BCore is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation or any other characteristic protected by law.

Responsibilities

  • Design, develop, test, and maintain backend application components using Java or Python
  • Develop and maintain RESTful services to support application functionality and system integrations
  • Apply object-oriented design principles to build scalable and maintainable systems
  • Write and modify SQL queries to support application functionality and data retrieval
  • Collaborate with internal and external teams to understand data sources, formats, and access methods
  • Develop and troubleshoot applications within Linux-based environments
  • Implement backend logic for data transformation, processing, and system workflows
  • Identify, debug, and resolve application-level defects and performance issues

Qualifications

  • Active TS clearance (with SCI eligibility) and eligibility to obtain CI poly
  • Bachelor’s or master’s degree in computer science, software engineering, or a related field
  • Professional experience developing object–oriented applications in Java or Python
  • Hands–on experience building and maintaining RESTful APIs
  • Basic to moderate experience with SQL capability, including writing queries and working with relational databases
  • Working knowledge of Linux–based environments
  • Ability to work independently on defined tasks within established technical frameworks

Benefits

  • Health/Dental/Vision
  • 401(k) match
  • Paid Time Off
  • STD/LTD/Life Insurance/Voluntary Life Insurance
  • Stipends
  • Referral Bonuses

Skills mentioned

JavaPythonBackend DevelopmentREST APIsSQLLinuxDebuggingApache AirflowCI/CDDocker

About B/CORE

Bcore accelerates decisive advantages for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. We exist so those who protect us can move first, strike true, and finish the job. Every time. Bcore combines deep mission expertise and tradecraft with cutting-edge technical capabilities, including: • Multi-INT Analysis & Geospatial Intelligence • AI/ML & Data Science Solutions • Software Engineering and DevSecOps • Cloud and Infrastructure Engineering • Mission Consulting and Technical Services • Rapid Prototyping and Solution Development We operate without ego, ceremony, or excuses. Every outcome is intentional. Every action earned. Because when national security is on the line, fast matters. Precision matters. Integration wins.

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