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
3w
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Full Stack Python Developer
Ashburn or United States
RemoteFull Time
7+ YOEUS citizen able to obtain Public Trust, Bachelor’s in CS or related, 7+ years experience, containerized Linux experience, proficiency with Python, PostgreSQL, Java/Spring Boot, Angular/TypeScript, microservices, and AWS.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, AWS, Linux, microservices, RESTful services, HTML, CSS, JavaScript, Git, SQL, MySQL, PostgreSQL Server, ETL, Kafka, NGRX, NGXS, UML, CI/CD
3w
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Python Developer (Databricks, Medallion Architecture)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOEU.S. citizen with ability to pass CBP background check, BS (or equivalent) in CS/related, 7+ years technical experience, extensive Databricks, Spark, Delta Lake, PySpark, Python, Spark SQL, and Git experience.
Python, PySpark, Databricks, Spark, Delta Lake, Spark SQL, Unity Catalog, Pandas, SQL, Git, Apache Airflow, Databricks Workflows, AWS, Azure, GCP, Jenkins, GitLab CI, GitHub Actions, Tableau, Power BI, Looker
3w
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Python Developer (Databricks, Medallion Architecture)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOEU.S. citizen able to pass CBP background check, BS in relevant field (or equivalent), 7+ years technical experience, strong Databricks, Python/PySpark, Delta Lake, Spark SQL, and data pipeline/medallion architecture experience.
Databricks, Spark, Delta Lake, Unity Catalog, Spark SQL, PySpark, Python, Pandas, SQL, Git, Apache Airflow, Databricks Workflows, Jenkins, GitLab CI, GitHub Actions, Tableau, Power BI, Looker, AWS, Azure, GCP, SQL Analytics
1mo
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Full Stack Python/DevOps Developer
Bethesda, Maryland, United States
OnsiteFull Time
3+ YOEMid-level full stack engineer with Python/Java/Node.js, React/Angular, AWS, DevOps, and NIH security familiarity.
Python, Java, Node.js, React, Angular, TypeScript, HTML, CSS, JavaScript, Git, AWS, MongoDB, PostgreSQL, Oracle, MySQL, Selenium, Docker, Kubernetes, Terraform, CloudFormation, Jenkins, GitLab CI, GitHub Actions, Elasticsearch/OpenSearch, Redis, SQS, SNS, Kafka, OAuth2, SSO
3w
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Full Stack Developer (Python)
Ashburn, Virginia, United States
$125k-$151k/yr OnsiteFull Time
7+ YOEU.S. citizen able to pass background investigation, B.S. in CS or related (or equivalent experience), 7+ years technical experience in containerized Linux, experience with Python, Java/Spring Boot, Angular, PostgreSQL, microservices, and AWS; Agile experience.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, JavaScript, CSS, HTML, AWS, microservices, Git, SQL, MySQL, NGRX, NGXS, Kafka, CI/CD, Linux
3w
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn, Virginia, United States
$112k-$179k/yr HybridFull Time
7+ YOEU.S. citizenship and Public Trust eligibility; 7+ years technical experience; strong Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS experience; containerized Linux and Git familiarity.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, JavaScript, CSS, HTML, AWS, Git, MySQL, SQL, Kafka, NGRX, NGXS, UML, Linux, microservices architecture, RESTful services
2w
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn or United States
$112k-$179k/yr HybridFull Time
7+ YOEU.S. citizen able to pass Public Trust; 7+ years technical experience in containerized Linux; experience with Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS; strong communication and OODD skills.
Python, PostgreSQL, Java Spring Boot, Spring Boot, Angular, Angular Material, TypeScript, JavaScript, CSS, HTML, microservices, AWS, Linux, Git, SQL, MySQL, Kafka, UML, NGRX, NGXS
3mo
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CNO Developer
Chantilly, Virginia, United States
$117k-$243k/yr OnsiteFull Time
5+ YOE5 years’ exp with CS/CE or 3 years with MS in software development; proficient in C, C++ or Python.
C, C++, Python, CI/CD, Git
1w
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Developer (E-Learning)
Chantilly, Virginia, United States
OnsiteFull Time
3+ YOEActive TS/SCI with full-scope polygraph, Bachelor's in CS/IT, 3+ years development experience (e-learning preferred), proficiency in HTML, CSS, JavaScript, Python, and multimedia integration skills.
HTML, CSS, JavaScript, Python, Articulate Storyline, Adobe Captivate, LMS, WCAG, Section 508
3w
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GenAI Developer
Ashburn, Virginia, United States
$52-$94/hr OnsiteFull Time
7+ YOEU.S. citizenship and CBP background check, BA/BS or equivalent experience, 7+ years full-stack development (React/Angular, SQL/NoSQL), familiarity with LLMs and GenAI, Python/Java/JavaScript/TypeScript, cloud (AWS, Google), API and DevSecOps experience.
React, Angular, SQL, NoSQL, Python, Java, JavaScript, TypeScript, AWS, Google, Google Vertex AI, AWS Bedrock, GitLab, RESTful services, DevSecOps
22h
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance, HS diploma/GED, SAFe ASE preferred, experience with front- and back-end development and Linux.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
3w
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GenAI Developer
Ashburn, Virginia, United States
HybridFull Time
7+ YOEU.S. citizen able to pass CBP background check; BA/BS preferred (experience considered); 7+ years full-stack development; React/Angular, SQL/NoSQL, Python/Java/JavaScript/TypeScript; GenAI concepts and APIs; AWS and Google cloud experience; DevSecOps knowledge.
React, Angular, SQL, NoSQL, Large Language Models (LLMs), transformers, Python, Java, JavaScript, TypeScript, AWS, Google Vertex AI, AWS Bedrock, GitLab, APIs, RESTful services, DevSecOps, CDNs
2d
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Web Application Developer and SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
12+ YOE12+ years developer experience; 5+ years with AWS and Java, C#, or Python; experience with VMWare, scripting (Python/Bash/Perl), Kubernetes; Top Secret clearance; HS diploma or GED.
AWS, Java, C#, Python, VMWare, Bash, Perl, Kubernetes
6d
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Software Engineer
Warrenton, Virginia, United States
$100k-$150k/yr OnsiteFull Time
Professional software development experience with C/C++ and Python, Linux systems, multi-threading, IPC, network socket programming, DSP algorithm implementation, and CI/CD practices.
C++, Python, Linux, GitLab CI, Git, Jira, CUDA, OpenCL, Docker, Podman, NumPy, SciPy, FFTW, GNU Radio, REDHAWK, X-Midas
2mo
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Quality Assurance Engineer
Leesburg, Virginia, United States
OnsiteFull Time
5+ YOEMid-level QA engineer with development, SQL, and Python expertise focusing on automation, data validation, and platform reliability.
Python, SQL, CI/CD, AWS, Apache Iceberg, XBRL
1d
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Applications Developer - Full Performance
Sterling, Virginia, United States
$64k-$128k/yr OnsiteFull Time
Experience developing and maintaining applications using RDS SQL, Solr, Python, Jenkins, REST APIs, AWS (EC2,S3,SQS,SNS), and frameworks like Spring Boot or NodeJS/NestJS; BS/BA or equivalent.
RDS SQL, Solr, Python, Jenkins, Rest APIs, EC2, S3, SQS, SNS, Spring Boot, NodeJS-NestJS
1w
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI with poly on day one; strong Python and Java development; AWS CDK and broad AWS services experience; Elasticsearch/OpenSearch, SQL, Linux shell scripting, Docker; experience with JWICS/C2S classified environments.
Python, Java, Elasticsearch, AWS OpenSearch, SQL, Linux, Docker, Lambda, Amazon S3, AWS Batch, Amazon EC2, Amazon EventBridge, Amazon SQS, Amazon SNS, IAM, Amazon DynamoDB, AWS container services, AWS Cloud Development Kit (CDK), JWICS, C2S
2mo
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Staff Software Engineer-AI Solutions
Ashburn, Virginia, United States
$124k-$199k/yr HybridFull Time
5+ YOE5+ years AI/development experience; 2+ years with an advanced degree; strong knowledge of APIs, AI, and ServiceNow integration; proficient in Python and web tech.
ServiceNow, MCP tooling, Agentic AI, OpenAI API, Google Gemini, Python, JavaScript, REST, GraphQL, JSON, HTML, CSS, SQL
1mo
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Blockchain Developer
Manassas, Virginia, United States
$122k-$226k/yr OnsiteFull Time
10+ YOE10-12 years in systems development; strong blockchain, smart contracts, and distributed systems skills.
Hardhat, Truffle, Foundry, Solidity, Rust, JavaScript, TypeScript, Go, Python
2w
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Staff Software Engineer
Dulles, Virginia, United States
$177k-$266k/yr OnsiteFull Time
8+ YOEMust hold active DoD Top Secret clearance, STEM degree with extensive software experience (various degree/experience combinations), 5+ years software development (C++, Python, Java) and container/CI experience, leadership and team management experience, US citizenship required.
Linux, Python, C++, Java, Docker, Kubernetes, Jenkins, GitLab, Rhapsody, Cameo, Eclipse, Jira, Bitbucket, Confluence, Crucible, Bamboo, Podman, VirtualBox, QEMU, KVM, vmWare, Bash
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