PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Backend Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOESenior backend developer with Java Spring Boot microservice experience, familiarity with SQL/NoSQL databases, containerization (Docker, Kubernetes, Rancher), CI/CD (GitLab CI, Jenkins), Git, Atlassian tools, automated testing, and TS/SCI clearance with polygraph.
Java, Spring Boot, PostGres, MySQL, Elasticsearch, MongoDB, GitLab CI, Jenkins, Git, Jira, Confluence, Docker, Kubernetes, Rancher
2mo
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Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
2mo
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Junior Backend Software Developer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.
Java, Spring Boot, MongoDB, REST, Automated Testing
3mo
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Mid-Level Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
7+ YOESeven years of software development experience; DoD TS/SCI preferred; 5+ years with multiple tech including Python, Java, Docker, OpenStack, Ansible, Terraform, Kubernetes; backend/REST API focus; CI/CD and DevSecOps.
Python, Java, Docker, OpenStack, Ansible, Packer, Terraform, Kubernetes, Red Hat Enterprise Linux, PostgreSQL, REST, GitLab, Jenkins, Maven, Puppet, Chef, AWS, Jira
1mo
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Back End Developer (HYBRID)
Annapolis Junction, Maryland, United States
$129k-$206k/yr HybridFull Time
7+ YOEActive TS/SCI clearance with Polygraph, 7+ years technical experience, Bachelor's in Computer Science (or 4 additional years' experience), strong Python/Java/C++, PostgreSQL/SQL, AWS, Git, and Agile experience.
Python, Java, C++, PostgreSQL, SQL, Amazon Web Services (AWS), API Gateway, AWS Lambda, Git, Jira, Confluence
2d
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Backend Software Developer (Telework) (BT-2)
Annapolis Junction, Maryland, United States
$190k-$225k/yr HybridFull Time
14+ YOETS/SCI with Polygraph, 14+ years software engineering experience, proficiency in Java/C++/Python, AWS, Git, PostgreSQL/SQL, Jira/Confluence, Agile, testing, and technical documentation; bachelor's degree or 5 additional years experience.
Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services (AWS), Jira, Confluence
1mo
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Software Engineer III - Front End/ Back End
Columbia, Maryland, United States
$110k-$130k/yr RemoteFull Time
8+ YOE8+ years software engineering experience (or equivalent), strong Java and Spring Boot backend skills, RESTful API and microservices experience, relational DB experience, Git and CI/CD familiarity, US citizenship and DHS Public Trust eligibility.
Java, Spring Boot, RESTful APIs, Oracle, PostgreSQL, Microsoft SQL Server, Git, Docker, Kubernetes, EKS, Jenkins, GitHub, SonarQube, Splunk, Kafka, New Relic, Angular, React, C#, .NET, VB.NET, C++, Tomcat, Oracle SQL Developer, AWS
2w
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
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
1w
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Staff Software Engineer (Backend) - Billing Platform *HYBRID*
Palo Alto or Falls Church or Frisco or Washington or Baltimore or Dallas or Bethesda or Fort Worth
$110k-$230k/yr HybridFull Time
8+ YOE8+ years software development experience with large-scale systems; proficiency in Java/Kotlin/Golang, SQL/NoSQL, Kafka, Spark, Airflow, cloud and DevOps practices; strong communication and system design skills.
Java, Kotlin, Golang, SQL, NoSQL, Kafka, Spark, Airflow
1w
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Software Engineer 1 - Back-End/DevOps
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
7+ YOEMust hold Top Secret/SCI with favorable Polygraph, 7+ years SWE experience, bachelor’s in CS or related (or 4 years substitution), experience with Spring Boot/Java, AWS, Terraform/CloudFormation, CI/CD, monitoring and testing.
Spring Boot, Java, AWS, ECS, Lambda, RDS, S3, Terraform, CloudFormation, CI/CD, CloudWatch, Prometheus, ELK
2mo
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Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yr OnsiteFull Time
5+ YOEActive TS/SCI with poly; Bachelor's in a technical field; 5+ years software development; 4+ years Java; microservices, Spring, Docker, Kubernetes; strong backend architecture.
Java, Kotlin, Spring Boot, Spring Cloud, Spring Data, AWS, Docker, Kubernetes, Linux, Kafka, Cassandra, DynamoDB, GitLab CI/CD, Maven, Node.js, SonarQube, IntelliJ, VSCode, ReactJS
2w
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Cleared Hybrid Data Engineer (5418)
Hanover, Maryland, United States
$103k-$172k/yr HybridFull Time
4+ YOEBachelor's degree, 4+ years data engineering/backend experience, Secret clearance, proficiency in Python, SQL, Java, cloud data warehouses, distributed computing and data integration platforms.
Python, SQL, Java, Snowflake, AWS Redshift, Spark, Databricks, Kafka, Azure Data Factory, AWS Glue, Apache Airflow, AWS, GCP, Azure, MuleSoft
2mo
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Software Engineer | Secure AI
Columbia, Maryland, United States
OnsiteFull Time
Strong Java backend experience (Spring/Guava), API and microservice design, applied AI familiarity (prompt engineering, RAG), Git/Maven/Linux workflows, and eligibility for U.S. government security clearance.
Java, Spring, Guava, Model Context Protocol (MCP), Retrieval-Augmented Generation, LangChain4j, LangChain, LlamaIndex, Git, Nexus, Maven, Linux, Spring AI, vector databases, NiFi, Kafka, AWS, Kubernetes, SQL, NoSQL, Python, Big Data
2w
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Software Engineer
Annapolis Junction, Maryland, United States
$115k-$251k/yr OnsiteFull Time
Experience with backend or cloud-native development (Java, Python, C++, Go), containerization (Kubernetes, Docker), AWS, CI/CD, and distributed systems; active TS/SCI with polygraph and U.S. citizenship required.
Java, Python, C++, Go, Spring Boot, REST APIs, AWS, Kubernetes, Docker, Terraform, SQL, NoSQL, Elasticsearch/OpenSearch, Git, Linux, CI/CD, AI/ML, Big data frameworks
2w
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Software Engineer 3 (FST - 121)
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOEActive TS/SCI with polygraph, 20 years SWE experience, Bachelor's in Computer Science (or 4 years additional experience), strong backend/full-stack development with Java, JavaScript, cloud and distributed systems.
AWS, Docker, Kubernetes, EKS, Rancher, Tomcat, Spring, JMS, Java, JavaScript, mongo DB, Elasticsearch, Postgres, Mysql, SpringBoot, REST, Cockroach DB, Kibana, Alfresco, Node, Svelt, React, Angular, Confluence, Jira, Maven, Git
3w
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Software Engineer Level 1
Fort Meade, Maryland, United States
$160k-$180k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph, Bachelor’s degree, 7+ years software engineering experience, Java and backend development, RESTful APIs, Agile, Git, Jira, Confluence, IntelliJ or Eclipse, strong troubleshooting and communication skills.
Java, Git, Jira, Confluence, IntelliJ IDEA, Eclipse IDE
2mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
1mo
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Software Engineer with Poly SR SWE1
Annapolis Junction, Maryland, United States
$105k-$185k/yr OnsiteFull Time
7+ YOETS/SCI with poly required; 7+ years SWE experience; Bachelor’s in Computer Science (or 4 additional years SWE experience); strong Java and Linux skills; backend, microservices, AWS, CI/CD, and DevOps experience.
Java, Linux, Spring Boot, AWS, ECS, Lambda, RDS, S3, Terraform, CloudFormation, CI/CD, CloudWatch, Prometheus, ELK, RESTful APIs
3d
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AI/ML Full Stack Engineer
Columbia, Maryland, United States
$100k-$203k/yr HybridFull Time
5+ YOEMust have TS/SCI clearance, 5+ years software development, experience with LLMs, agentic AI frameworks, frontend (React/Next.js/Angular) and backend (Python/Node.js/Java/Go), cloud-native deployments, and rapid prototyping.
Claude Code, OpenAI Codex, Cursor, LangGraph, CrewAI, Google ADK, React, Next.js, Angular, TypeScript, JavaScript, Python, Node.js, Java, Go, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP
3w
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2440AS - Software Engineer I
Aberdeen, Maryland, United States
$75k-$98k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelors in computer science or similar, 1-5 years software programming experience, proficiency in Java/C/C++/Python/JavaScript, experience with backend/microservices/web development, strong communication and documentation skills, current DoW clearance required.
Java, C/C++, Python, JavaScript, Node.js, Vue.js, Windows, Linux, Android, UML