18 junior backend developer jobs at 12 companies in Thurmont, MD

1d
Save
Mark Applied
Hide
Back End Developer
McLean or Fort Belvoir
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Java enterprise development, Spring or Quarkus, Git, GitLab CI/CD, teamwork, Top Secret clearance, high school diploma/GED, and Security+ certification eligibility within 3 months.
Java, Spring, Quarkus, Git, GitLab CI/CD, Python, Bash, Docker, Kubernetes, Kafka Streams, Kafka, Spark, Neo4j, Advana, Data Catalogs, Extract, Transform, and Load (ETL)
18h
Save
Mark Applied
Hide
Back End Developer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Java enterprise development, back-end frameworks, Git, GitLab CI/CD, teamwork, high school diploma/GED, Top Secret clearance, and Security+ certification eligibility within three months.
Java, Spring, Quarkus, Git, GitLab CI/CD, Python, Bash, Docker, Kubernetes, Kafka Streams, Kafka, Spark, Neo4j, Advana, Extract, Transform, and Load (ETL)
3mo
Save
Mark Applied
Hide
Mid-Level Backend Software Engineer
Gaithersburg, Maryland, United States
$87k-$157k/yr OnsiteFull Time
teKnoluxion
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
2+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor's or master's in computer science/software engineering; 2–8 years experience depending on degree; strong Java or Python, REST API, SQL, and Linux skills.
Java, Python, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
1mo
Save
Mark Applied
Hide
Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
1mo
Save
Mark Applied
Hide
Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
3+ YOE3+ years software engineering experience with strong Java and Spring Boot skills, RESTful services, MongoDB/NoSQL experience, automated testing, and TS/SCI with poly clearance required.
Java, Spring Boot, MongoDB, Vue.js, Apache Kafka, Linux
2mo
Save
Mark Applied
Hide
Junior Data Integration Developer
McLean, Virginia, United States
HybridFull Time
BLN24
BLN24: Delivers digital innovation and strategic communications for federal agencies.
1+ YOEBachelor's in CS/SE/IS or related field; 1–2 years backend/API integration; REST APIs; AWS; JS/TS; Docker/Kubernetes; Git/CI/CD.
REST API Development, AWS Cloud Services, JavaScript/TypeScript, React/Angular/Vue.js, Docker & Kubernetes (EKS), AWS Lambda / API Gateway, Data Transformation & Validation, CI/CD Pipelines, Git Version Control
1mo
Save
Mark Applied
Hide
Junior Fullstack + AI Developer
Tysons, Virginia, United States
OnsiteFull Time
Cav
Cav: Continuous cyber assurance platform for high-reliability organizations.
0+ YOE0–2 years software development experience; familiarity with modern frontend frameworks, backend development (Python/Node.js/Java), REST APIs, relational/NoSQL databases; interest in AI/ML and LLMs; strong communication and problem-solving.
React, Vue, Angular, Python, Node.js, Java, PostgreSQL, MongoDB, PyTorch, TensorFlow, Hugging Face, LangChain, OpenAI APIs, Git, AWS, Azure, Google Cloud, Docker
12h
Save
Mark Applied
Hide
Software Engineer II
Sparks or California or Dayton or Hagerstown
$55k-$70k/yr OnsiteFull Time
1 Click Logistics
1 Click Logistics: Provides third-party logistics, warehousing, and e-commerce fulfillment services.
2+ YOEBachelor's degree in computer science, application development, or related field; 2–3 years' software development experience; 3–4 years with JavaScript/React, APIs, and CSS; 2–3 years with databases/backend.
ColdFusion, React, HTML5, CSS3, JavaScript, MySQL, REST, SOAP, JSON, XML, CSV, Git, Jira, Azure DevOps, AWS, Microsoft Azure, CI/CD
4w
Save
Mark Applied
Hide
Software Engineer II
Tysons, Virginia, United States
$88k-$123k/yr HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
2+ YOEBachelor's degree or equivalent experience, 2+ years professional software development, strong OOP skills (C# preferred), backend/SQL experience, familiarity with modern JS frameworks and unit testing.
C#, .NET, SQL Server, Kafka, Ember.js, Angular, React, iOS, Android
1mo
Save
Mark Applied
Hide
Software Engineer II
Tysons, Virginia, United States
$88k-$123k/yr HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
2+ YOEBachelor's in CS/CE or equivalent experience, 2+ years professional software development, frontend and backend skills, API design, database fundamentals, testing, Git/CI/CD familiarity, strong communication.
C# .NET, SQL Server, Kafka, Ember.js, React, Node.js, Python, Kubernetes, Azure, Redis, iOS, Android, Git, CI/CD, Docker, JSON, YAML, REST, GraphQL
4w
Save
Mark Applied
Hide
Software Engineer III
Bethesda or Waltham
$112k-$176k/yr HybridFull Time
ZoomInfo
ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.
2+ YOEBackground in backend development with Java and Node.js, experience with Kafka, SQL Server/MongoDB, RESTful APIs, cloud (AWS/GCP), Docker/Kubernetes/ECS, Jira and VS Code; Masters+2yrs or Bachelors+4yrs.
Java, Node.js, NestJS, Kafka, SQL Server, MongoDB, Jira, VS Code, AWS, GCP, Docker, Kubernetes, ECS
3w
Save
Mark Applied
Hide
Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years in object-oriented programming (Java/JEE), backend frameworks (Spring), API/REST development, Linux experience, ability to obtain DoD 8570 certification (Security+ or CISSP), TS/SCI clearance with polygraph required.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, Apache NiFi, PKI, MongoDB, Jira, Confluence, Git, GitLab, Kafka
3w
Save
Mark Applied
Hide
Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years OOP experience (Java/JEE), backend frameworks (Spring/Spring Boot), REST API development, Linux CLI, NiFi; TS/SCI clearance with polygraph required; ability to obtain DoD 8570 certification (Security+ or CISSP) within 6 months.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, MongoDB, Jira, Confluence, Git, GitLab, Apache Kafka
5d
Save
Mark Applied
Hide
Government and Public Sector - AI & Data - GenAI Developer
McLean or Washington, D.C. or New York or Washington or California
$76k-$126k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1+ YOEBachelor's degree and 1–2+ years of web and backend development experience. Requires JavaScript/TypeScript, Python or Node.js, generative AI integration, cloud deployment, data engineering, big data, and Secret Clearance eligibility.
JavaScript, React, Next.js, Python, FastAPI, AWS, Azure, Vercel, Svelte, Vue, Remix, React Router, Node.js, TypeScript, openAI, Anthropic, Hortonworks, Microsoft, Hadoop, RAG
3mo
Save
Mark Applied
Hide
Jr Data Integration Developer
Silver Spring, Maryland, United States
$90k-$110k/yr HybridFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
1+ YOEBachelor's degree; 1–2 years web app and backend microservices; AWS; REST APIs; JavaScript/TypeScript; React/Angular/Vue; Docker/EKS; HTML/CSS; Git and CI/CD.
AWS, API Gateway, S3, DynamoDB, CloudFront, Lambda, Docker, EKS, React, Angular, Vue.js, HTML5, CSS3, Git, CI/CD
1w
Save
Mark Applied
Hide
Lead Full-Stack Engineer
McLean or Wilmington
HybridFull Time
Anza Mortgage Insurance
Anza Mortgage Insurance: Provides mortgage insurance and credit risk protection for lenders.
2+ YOE2+ MgmtBackend-first engineer with hands-on Java/Spring, PostgreSQL, async messaging, React/TypeScript experience and 2+ years leading delivery and mentoring engineers.
Java 21, Java 17, Spring Boot, TypeScript, React, PostgreSQL, Liquibase, SQS, SNS, Kafka, OpenAPI, TanStack Query, Testcontainers, Docker, Kubernetes, AWS, Terraform, Datadog, Redis, Caffeine, MapStruct, Lombok, Maven, Vite, pnpm, Tailwind, Storybook, Playwright, Vitest, MSW, Okta, Cognito, DynamoDB, S3, KMS, Secrets Manager, Camunda, XML, XSD, OAuth2, OIDC, JWT
1w
Save
Mark Applied
Hide
Full Stack Software Engineer
Herndon, Virginia, United States
$111k-$183k/yr OnsiteFull Time
Unissant
Unissant: Delivers data analytics and cybersecurity services to government agencies.
2+ YOE2–7 years full stack experience; proficiency with frontend and backend languages; experience with dashboards, Power BI/Tableau, and SharePoint; bachelor\u0002s degree required; ability to obtain Secret clearance.
JavaScript, TypeScript, React, Angular, Vue, Python, C#, Java, Node.js, Power BI, Tableau, SharePoint Online, Microsoft 365
1mo
Save
Mark Applied
Hide
EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot