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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
6d
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Senior Backend Engineer
Columbia, Maryland, United States
$100k-$120k/yr HybridFull Time
4+ YOEBachelor's or equivalent,4+ years building backend systems/APIs,strong AWS,Docker,Python or Node.js,CI/CD and infrastructure-as-code experience,ability to meet security vetting.
AWS Lambda, API Gateway, Amazon S3, Amazon EC2, ECS, EKS, CloudFormation, Docker, Python, Node.js, CI/CD, OAuth, OpenID
1mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
3mo
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Senior Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...
Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git
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
1d
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Backend Software Engineer — Secure Mission Systems
Laurel, Maryland, United States
RemoteFull Time
4+ YOEU.S. citizenship and active final DoD Secret clearance required; 4+ years software development experience; bachelor’s degree in CS or related; experience with Python or C#, backend services, APIs, testing, and secure SDLC.
Python, C#, FastAPI, gRPC, Celery, RabbitMQ, PostgreSQL, PostGIS, OpenShift, Kubernetes, GitLab CI/CD, LLM, AI/ML
3mo
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Application Engineer (Backend)
Linthicum Heights, Maryland, United States
$104k-$218k/yr OnsiteFull Time
Backend engineer with TS/SCI with Polygraph, Python, Django/Flask, Docker, MongoDB/MariaDB, REST, microservices; on-site in Linthicum, MD; full-time.
Python, Docker, Django, Flask, MongoDB, MariaDB, REST, JSON, XML, Git, Jira, Confluence, AWS
3mo
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Senior Back-End Developer - United States
San Antonio or Baltimore or United States
RemoteFull Time
10+ YOE5+ MgmtActive Top Secret/SCI clearance, bachelor’s degree in a related field, 10+ years experience, 5+ years back-end development with Python and PostgreSQL, experience with RESTful APIs, AWS, Kubernetes, RedHat Linux, CI/CD, DevSecOps, and related toolchains.
Python, PostgreSQL, Jira, AWS Infrastructure, Kubernetes, RedHat Linux, BASH, Spring, Ansible, JUnit5, Nexus Repository, Maven, RESTful API, DevSecOps, microservices, containers, CI/CD, Agile Test-Driven development
22h
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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
3w
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Application Developer (backend) 4
Linthicum, Maryland, United States
$198k-$212k/yr OnsiteFull Time
6+ YOEDevelop backend Python microservices and ReST endpoints using Django/Flask; work with MongoDB or MariaDB, Docker, and CI tooling; 6+ years experience typically required depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, JSON, XML, Jira, Confluence, Git, AWS
3mo
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Application Engineer (Backend)
Linthicum Heights, Maryland, United States
$104k-$218k/yr OnsiteFull Time
4+ YOEActive TS/SCI with Polygraph; 4+ years technical experience (varies by degree); proficiency in Python, Docker, Django/Flask, MongoDB or MariaDB, REST and microservices; desired AWS, JSON/XML, Jira, Confluence, Git, Agile.
Python, Docker, Django, Flask, MongoDB, MariaDB, REST, AWS, JSON, XML, Jira, Confluence, Git
1mo
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Software Engineer - Python/FASApi/JavaScript/JSON/CSS/MongoDB/Docker
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
7+ YOETop Secret/SCI with favorable Polygraph and U.S. citizenship; 7+ years SWE experience (or Bachelor's in CS + equivalent); experience with Python, FASApi, JavaScript, JSON, CSS, REST, MongoDB, Elasticsearch, Docker/Compose, GitLab, Jira; backend/frontend comfort.
Python, FASApi, JavaScript, JSON, CSS, REST, MongoDB, Elasticsearch, Docker, Docker Compose, GitLab, Jira, Golang, Protobuf, React, SASS, LESS, Leaflet, Kubernetes
4d
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Software Engineer Level 5
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with CI Polygraph, backend development, data engineering, API development, Python, FastAPI, PostgreSQL, Elasticsearch, and scalable systems experience.
Python, FastAPI, PostgreSQL, Elasticsearch, SQL
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
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
4d
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Cyber Platforms Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr HybridFull Time
4+ YOE4+ years building production software; 3+ years backend development with Python; 2+ years with Docker/Kubernetes and cloud (AWS); experience with databases, APIs, queues, and distributed systems; active TS/SCI clearance.
Python, Docker, Kubernetes, AWS, React, TypeScript
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
1mo
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Software Engineer Lead
Herndon or Columbia
OnsiteFull Time
4-6 years backend and frontend development; 6-8 years AWS/Linux; 2-3 years AI/ML; strong Python/Java; Agile; SQL/NoSQL; cloud and microservices; security clearance with polygraph; Docker/containers.
Python, Java, Angular, AWS, Linux, Docker, Kubernetes, ElasticSearch, Solr/Lucene, OpenSearch, SQL, NoSQL, Jira, Confluence, GitHub, ETL, PyTorch, Keras, TensorFlow, Tableau, Pandas, D3.js, Gensim, spaCy, NLTK, Stanford CoreNLP, OCR, BERT, NER
2mo
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Software Engineer
Fort Meade, Maryland, United States
$210k-$230k/yr OnsiteFull Time
20+ YOEActive TS/SCI with Polygraph; Bachelor's in Computer Science or related field; 20+ years of software engineering; Python backend expert; strong design, debugging, and SDLC knowledge.
Python
2mo
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Software Engineer
Fort Meade, Maryland, United States
$210k-$230k/yr OnsiteFull Time
20+ YOEActive TS/SCI with poly; BS in Computer Science or related field and 20+ years of software engineering experience (or equivalent). Expert Python backend, scalable systems, strong SDLC.
Python
2d
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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