Backend Software Engineer
$107.9k - $195.05kteKnoluxion Consulting
Overview Backend Software Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance 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 missions as a Backend Software Engineer . Responsibilities What you get to do every day: You will support a high‑visibility application relied on across the organization for data analysis, reporting, and operational decision‑making. You’ll design and build scalable backend services, develop RESTful APIs, integrate complex data sources, and ensure system reliability and performance in a Linux‑based environment. Backend Development: Design, develop, test, and maintain backend services using Java or Python REST API Development: Design and implement RESTful services to support application functionality and integrations Object‑Oriented Design: Apply strong object‑oriented design principles to build scalable and maintainable systems Database Development: Write and optimize SQL queries to support application functionality and performance Data Source Integration Coordination: Coordinate with external teams to understand data sources, interfaces, and access patterns, and translate requirements into backend integrations System Design Contribution: Participate in technical design discussions and contribute to backend architecture decisions Linux Environments: Develop, deploy, and troubleshoot applications within Linux‑based environments System Troubleshooting: Diagnose and resolve issues across application and database layers Code Quality & Best Practices: Participate in code reviews and ensure adherence to engineering standards 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 8‑12 years of experience with a bachelor’s degree, or 6‑10 with a master’s degree Required Skills: Strong professional experience developing backend applications in Java or Python Proven ability to design and develop RESTful APIs that support scalable application functionality Solid SQL experience, including writing and optimizing queries across relational databases Confident working in Linux‑based environments Ability to work independently and drive solutions to moderately complex and complex technical challenges What is ideal? Experience with Apache Airflow or similar workflow orchestration technologies Experience with geospatial data and querying (e.g., PostGIS) Experience with Spring Boot, Django, or similar backend frameworks Experience with CI/CD pipelines (GitLab, Jenkins, etc.) Familiarity with containerization (Docker, OpenShift, Kubernetes) 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 Highlights of our benefits include Health/Dental/Vision, 401(k) match, Universal Leave, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more! The expected salary range for this position is $107,900 to $195,050. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. 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. #J-18808-Ljbffr
$130k - $160k
...Senior Backend Software Engineer Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson, AZ Clearance: Top Secret/SCI with the ability to successfully pass a Polygraph Schedule: Full Time Travel: No Remote: No Remote Company...SuggestedFull timeRemote work$87.1k - $157.45k
A technology company in Gaithersburg, MD is seeking a Backend Software Engineer to support a high-visibility, data-driven application. You will be responsible for backend development, including creating RESTful APIs and collaborating on data systems. Candidates should have...Suggested$87.1k - $157.45k
teKnoluxion Consulting LLC is seeking a Mid-Level Backend Software Engineer in Gaithersburg, MD. This role requires developing backend systems using Java or Python, maintaining RESTful APIs, and collaborating with teams to integrate data sources. Candidates must have an...Suggested- Leidos LLC is seeking a Backend Software Engineer in Gaithersburg, MD to support a high-visibility application driving real-time decision-making. You'll design and maintain core backend services, develop RESTful APIs, and ensure system reliability and performance. The ideal...Suggested
$107.9k - $195.05k
teKnoluxion Consulting LLC is seeking a Backend Software Engineer based in Gaithersburg, MD. The role involves designing and building scalable backend services, developing RESTful APIs, and working in a Linux environment. Candidates must have an active TS clearance (SCI...Suggested- ...product owner. Engage in the complete software development lifecycle, operating within... ...estimations. Collaborate with fellow software engineers to create and document optimal technical... ..., or similar JavaScript frameworks. Backend Development: Java including Java Spring...
- ...and hands-on development across frontend, backend, cloud, and platform environments. The... ...product, design, business stakeholders, and engineering leadership to prioritize and deliver... ...Requirements: ~8+ years of relevant software engineering experience. Consideration...Hourly payLocal area
- A leading defense and intelligence technology company in Gaithersburg is seeking a Full-Stack Software Engineer to design and develop scalable software solutions. This role requires expertise in object-oriented programming, SQL, and RESTful services. The ideal candidate...
- ...agile development methodology, attending daily stand-ups, sprint planning, and retrospective meetings. Minimum 2-3 years of software engineering experience Have built mobile apps (and/or web apps) full-stack before Enthusiastic about photo sharing and/or AI and/...Full time
$110k - $145k
...UI/UX Engineer Location: Gaithersburg, MD Required Clearance: TS/SCI (Polygraph Eligible... ...environment, you will collaborate closely with software engineers, product owners, and mission... ...-end applications with RESTful APIs and backend services. Optimize front-end performance...Full timeRelocation packageShift work- ManpowerGroup Global, Inc. is seeking a Jr Full Stack Engineer in Rockville, Maryland. In this role, you will develop and maintain web-based UI components while designing and implementing backend services using Java, Python, and SQL. The position encourages collaboration...Weekly pay
$100k - $120k
Magento Developer The organization operates a high-volume online marketplace focused on providing collectors and investors with a wide selection of items at competitive prices. As the company continues to scale, they are investing heavily in platform performance, infrastructure...- ...Full Stack Web Developer to join our team. This role will perform software application development in support of an enterprise-wide data... ...management best practices Experience with front and backend software development Familiarity with Unix based command line An...Full timeFlexible hours
- RemoteFetch is looking for a Search Backend Engineer with expertise in Lucene-based search platforms like Solr and Elasticsearch. Candidates should have strong Java backend development experience and 7+ years in the field. This role includes responsibilities such as designing...Remote job
$120k - $145k
...science applications to research centers and healthcare organizations around the globe. With experts in biomedical science, software engineering, and program management, we focus on developing and applying research tools and techniques to empower decision‑making and accelerate...Work experience placementLocal areaFlexible hours- Bright Vision Technologies is hiring a Senior Backend Engineer focused on high-throughput platform development. This remote position in Clarksburg offers a competitive salary and the opportunity to work with cutting-edge technologies. You will design and build backend...Remote job
- ...Leidos in Gaithersburg, Maryland seeks a Journeyman UI/UX Engineer to enhance enterprise data and analytics products. The ideal candidate will support the design and development of user interfaces, collaborate with cross-functional teams, and ensure compliance with accessibility...
- Bright Vision Technologies is seeking a Senior Backend Engineer focused on high-throughput platform development. This role involves designing, building, and operating foundational platforms relied upon by engineering teams. The ideal candidate will have over 6 years of...Remote job
$73 - $78 per hour
...Senior Full Stack Engineer W/Big Data Our client, a leader in the technology industry, is seeking a Senior Full Stack Engineer to join... ...or a related engineering field. ~10+ years of experience in Software Engineering with proven leadership capabilities. ~7+ years of...Weekly payTemporary workFlexible hours$101.4k - $154.65k
...QUALIFICATIONS: * Bachelor's degree in Computer Science, Software Engineering, or other related science or engineering discipline is required... ...services (e.g. REST, SOAP or Web API) and both frontend and backend technologies like Node.js, Express.js, PostgreSQL, SQLServer...Temporary workWork experience placementWork at officeFlexible hours- ...Title: FullStack Engineer- Enterprise Applications Location : Rockville, MD or McLean, VA Target Start Date : ASAP Type: contract 6+ months We are looking for a driven and curious Software Engineer to join a modern engineering team building scalable, cloud...Contract workImmediate start
- ...Teacher to work with young children in a fun and dynamic environment. You will teach classes like 'Mommy and Me' and learn about the backend operations of a small business. Ideal candidates should have a passion for early childhood education, and backgrounds in sports or...
- Core Skills Required • Java (Spring Boot, Microservices) • Angular (modern versions preferred) • AWS (EC2, S3, Lambda, API Gateway, etc.) • JavaScript & TypeScript • REST APIs / Microservices architecture • Nice to Have • Python • Exposure to AI/ML ...
$50 - $53 per hour
Job Title: Jr Full Stack Engineer Location: Rockville, Maryland Pay Range: $50-53/hr depending... ...user experience. Design and implement backend services using Java, Python, and SQL.... .... Utilize AI agents to support software development processes. Participate in code...Weekly payTemporary workFlexible hours$140k - $200k
...keywords and get a higher ATS score## Job DescriptionTitle: Senior Software Engineer (Java/AWS/Angular)Location : Rockville, MD or McLean,... ..., and Angular.* Build scalable REST APIs, microservices, and backend services supporting high-volume business applications.* Develop...Contract work- ...skilled web developer in Rockville, Maryland. The ideal candidate will write efficient code, creating web applications and integrating backend services. The role requires over 6 years of experience, including 2 in government contracting. Proficiency in WordPress, Drupal,...Remote jobContract work
$107.9k - $195.05k
...sector is seeking an experienced Senior Software Developer to support the delivery,... ...will work alongside government partners, engineers, and other industry teammates to translate... ...application-level software including backend services, APIs, and user-facing components...Local areaImmediate start$131.3k - $237.35k
...exciting opening for you, our next TS/SCI cleared Senior DevOps Software Engineer to play a critical role on the DOMEX Technology Platform (... ...architecture running on Kubernetes, Elasticsearch backend, and Kafka messaging. Enhance, improve, and maintain CI/CD...Local areaImmediate startRemote workFlexible hours$78.1k - $116.2k
Description POSITION SUMMARY: The Software Engineer is responsible for the design enhancement, integration, testing and life cycle support... ...development activities, including responsive UI design and backend architecture, to enable real-time system control and...Temporary workWork at officeRemote workFlexible hours- Softek Llc is seeking a Senior Full-Stack Developer in Rockville, MD, to design and build web applications serving federal agencies. The role involves modern web technologies including React/TypeScript, .NET, and Node.js, with deployments in AWS GovCloud and Azure Government...Remote job
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