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
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
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
2mo
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Senior Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS/engineering/GIS; 5+ years backend experience; Python, Node.js, Java; REST APIs; ArcGIS Enterprise; containerized environments; TS/SCI eligibility.
Python, JavaScript/Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, REST API, PostgreSQL, PostGIS, SQL Server
3mo
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Principal Backend Software Engineer - HYBRID
Annapolis Junction, Maryland, United States
$220k-$224k/yr HybridFull Time
20+ YOEActive TS/SCI with polygraph; Bachelor's in CS or related field plus 20 years SWE experience; 24 years may substitute; experience with test procedures, documentation, Agile, Jira/Confluence, Git, Java/C++/Python, Postgres, AWS.
Git, Java, C++, Python, Postgres, SQL, AWS, Jira, Confluence
3d
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Senior Lead Software Engineer, Back End
McLean or New York
$230k-$286k/yr OnsiteFull Time
6+ YOE1+ MgmtBachelor's degree,6+ years software engineering,1+ year cloud experience,experience with Java/Scala/Python/Go/Node/SQL,AWS/GCP/Azure experience,1+ year people management preferred,strong communication and critical thinking.
Java, Python, SQL, Node, Go, Scala, Docker, Kubernetes, AWS, Google Cloud, Microsoft Azure
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
1mo
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Federal Back-End Engineer
Washington or United States
RemoteFull Time
7+ YOEBachelor's in CS or related,7+ years software engineering,expert SQL,cloud (AWS/Azure/GCP),Docker/Kubernetes,GraphQL/ETL experience,ability to obtain/maintain TS clearance.
ETL, GraphQL, Python, Java, Go, Scala, C++, TypeScript, AWS, Azure, GCP, Docker, Kubernetes, SQL, PostgreSQL, Neo4j
1mo
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SOFTWARE ENGINEER - Back End/AWS - 14+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT
Annapolis Junction, Maryland, United States
$224k-$231k/yr HybridFull Time
11+ YOETS/SCI with polygraph required. 11+ years software engineering experience (Master's +11 years OR Bachelor's +14 years OR HS/GED +18 years). Experience with AWS, Git, Java/C++/Python, PostgreSQL/SQL, Jira, Confluence, Agile, testing and technical documentation.
Amazon Web Services, Git, Java, C++, Python, PostgreSQL, SQL, Jira, Confluence
1mo
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Software Engineer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
14+ YOETS/SCI with polygraph required. Bachelor's in Computer Science with 14+ years software engineering experience in Linux (or 18+ years without degree). 5+ years backend/agile development; experience with Java, Springboot, Elastc; strong problem solving.
Elastc, Java, Springboot, JavaScript, SQL, Python, Node.js, Groovy, Scala, NiagraFiles (NiFi), Spring Cloud, Spring Core, Spring Data, CI/CD, Linux
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
1mo
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Software Engineer (Expert) (22694)
Herndon, Virginia, United States
OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Polygraph required. 6+ years in backend/frontend/cloud/Linux, proficiency in Python and Java, AI/ML experience (2–3 yrs), SQL/NoSQL, search tools, containerization, and Agile tooling (Jira/Confluence/GitHub).
Python, Java, Angular, Amazon Web Services (AWS), Commercial Cloud Services (C2S), Linux, vi, emacs, shell scripting, SQL, NOSQL, ElasticSearch, Solr/Lucene, OpenSearch, Docker, Podman, Jira, Confluence, GitHub, ETL, AI/ML
6d
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Software Engineer SME
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years building and operating backend services, APIs, and microservices; BS in Computer Science; US citizenship and active TS/SCI with Polygraph; proficiency with Java, Ansible/Python, Postgres/MySQL/MariaDB, Linux, AWS, containers, and Git workflows.
Java, Ansible, Python, Postgres, MySQL, MariaDB, Linux, AWS, Hadoop, Spark, Yarn, Hive, Trino, GitLab, GitHub, Git, SQL
1w
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Software Engineer
Annapolis Junction, Maryland, United States
$101-$115/hr OnsiteFull Time
15+ YOEExpertise in enterprise backend development with Java/Spring Boot, Kafka, Docker/Kubernetes, AWS, Terraform/CloudFormation; TS/SCI clearance with polygraph required; bachelor's+15 years or HS+19 years experience.
Java, Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Cloud, Spring Batch, Apache Kafka, PostgreSQL, MySQL, Neo4j, Docker, Kubernetes, AWS, Terraform, CloudFormation, Cypher, APOC, Graph Data Science (GDS), OWL, RDF, SPARQL, Apache Spark, Elasticsearch, OpenSearch, Prometheus, Grafana, ELK, OpenTelemetry, GitHub Actions, Jenkins, GitLab CI, Python, Spark, SQL, NoSQL, Mapreduce
1w
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Senior Full Stack Developer
Arlington, Virginia, United States
$140k-$155k/yr HybridFull Time
8+ YOEBachelor's degree, 8+ years software development, leadership/mentoring experience, backend (Python/Golang/Java), frontend (React/TypeScript), SQL, Git, GitHub Actions, Generative AI and system design expertise.
Python, Golang, Java, React, TypeScript, SQL, Git, GitHub Actions, LangChain, LangGraph, LlamaIndex, BAML, RDF, SPARQL, Docker, AWS, Azure, GCP, Progress Semaphore, PoolParty
3mo
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Full Stack Mission Essential System Developer
McLean or Chantilly
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years in software development; Java, JavaScript/TypeScript, SQL; Agile methods; backend and frontend experience; TS/SCI with polygraph; HS diploma or GED.
Java, JavaScript, TypeScript, SQL, Python, C#, .NET, Spring, Angular, React, Node.js, Oracle, NiFi