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
1w
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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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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
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
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
3d
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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
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
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
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
6d
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Software Engineer Level 4
Elkridge, Maryland, United States
OnsiteFull Time
Active Top Secret/SCI with CI Polygraph; experienced backend developer with Python, FastAPI, PostgreSQL, Elasticsearch, API and data engineering experience.
Python, FastAPI, PostgreSQL, Elasticsearch, SQL
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
3mo
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Senior Software Engineer (Hybrid) - 29300
Columbia, Maryland, United States
$52-$140/hr HybridFull Time
5+ YOE5+ years software engineering with strong Python backend experience, Kubernetes, applied AI integration, ability to obtain U.S. security clearance, and experience with APIs, containers, and Linux.
Python, Kubernetes, K8s, JCRSD, Model Context Protocol (MCP), OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, AutoGen, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Docker, Git, CI/CD, Linux, Spring
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
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
1d
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(9300) Software Engineer
Columbia, Maryland, United States
$139k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering with strong Python backend, Kubernetes, applied LLM integration experience, security clearance eligibility, API and microservices design, automated testing, and cross-team collaboration.
Python, Kubernetes, Model Context Protocol (MCP), OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, AutoGen, Java, Spring, Git, CI/CD, Docker, Linux, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Vector Databases
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
1w
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Software Engineer (Hybrid) - 29300
Columbia, Maryland, United States
$115k-$145k/yr HybridFull Time
5+ YOE5+ years software engineering with strong Python backend, Kubernetes, applied LLM/AI integration experience, REST/microservices design, CI/CD and Linux proficiency, and ability to obtain U.S. security clearance.
Python, Kubernetes, OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, AutoGen, Docker, Git, CI/CD, Linux, NiFi, Kafka, AWS, Azure, Postgres, MySQL
2w
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Senior Software Engineer - Applied AI
Germantown, Maryland, United States
$107k-$155k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent,5+ years software development,strong Python and Linux experience,AI/ML application experience,backend and service integration skills,US citizenship and ability to obtain DOD security clearance.
Python, Rust, TypeScript, Linux, LLMs, Ollama, LangChain, LlamaIndex, FastAPI, Flask, Docker, CI/CD