PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
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
3mo
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Software Engineer/Data Manager
Alexandria or Quantico
OnsiteFull Time
8+ YOEActive TS/SCI with Poly required; Bachelor’s or Master’s with 8+ years (or specialized training with 10+ years); senior-level experience in data management, knowledge management, and software development.
Python, Java, C++, Microsoft SharePoint, Microsoft PowerPoint, Visual Studio
2mo
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SOFTWARE DEVELOPER/DATA SCIENTIST (INTERDISCIPLINARY) - DIRECT HIRE AUTHORITY
Dahlgren, Virginia, United States
$101k-$159k/yr OnsiteFull Time, Contract
3+ YOEInterdisciplinary software engineering and data science role with security clearance; experience in development, security, and data analytics.
Python, R, Java, C#, Visual Studio, AWS, Kubernetes, GitLab, DevSecOps, ArcGIS Pro, LLMs
1mo
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Lead Software Engineer, Data Protection
McLean or Richmond or New York City or Plano
$179k-$246k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience; preferred: Master's, extensive experience in Python/Java/TypeScript/SQL, AWS and schema validation systems, infrastructure as code, and security or AWS certifications.
Go, Python, TypeScript, SQL, CUE, JSON Schema, PostgreSQL, Aurora, Docker, ECS Fargate, Lambda, Step Functions, EventBridge, CDK, AWS, Microsoft Azure, Google Cloud, Java, JavaScript, Terraform, CloudFormation, GitHub Copilot, Claude Code
1mo
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Data Integrity Engineer (Avionics Software/Data Analysis)
Lexington Park or Patuxent River
$100k-$135k/yr OnsiteFull Time
3+ YOEBS in CS/EE or related, 3+ years relevant experience, proficiency in software engineering fundamentals, experience with Python/Java/C++, systems engineering knowledge, avionics understanding, strong technical writing, and active Secret clearance.
Python, Java, C++
2w
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Software Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's in engineering or technical field with 2+ years experience (or equivalent experience), MATLAB scripting for large structured data, testing and evaluation, MS Office proficiency, interim Secret clearance, strong communication.
MATLAB, Microsoft Excel, Microsoft Project, Microsoft PowerPoint, Microsoft Word
1mo
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C++ Software Engineer
Washington or Richmond or Atlanta or Austin
RemoteFull Time
7+ YOE7+ years of software development experience in large-scale networking; TCP/IP, HTTP, DNS; distributed architectures; Unix; Agile; strong SQL and data modeling.
C++, C, SQL, Unix, TCP/IP, HTTP, DNS, Distributed systems, Agile
3mo
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Engineer II, Data
Richmond or Plano
HybridFull Time
2+ YOE2+ years as Data or Software Engineer; strong Python; cloud (Azure/AWS/GCP); distributed processing (Spark); streaming/messaging (Kafka, Kinesis, Event Hubs); CI/CD; data modeling; strong ownership.
Python, SQL, Spark, Databricks, Azure, AWS, GCP, Azure Event Hubs, Apache Kafka, Kinesis, Dataproc, EMR, Cosmos DB, DynamoDB, Cassandra, Azure Functions, AWS Lambda, CI/CD
6d
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Software Developer TS
Quantico, Virginia, United States
$125k-$225k/yr OnsiteFull Time
8+ YOEBS in CS/CE/SE,8+ years software development experience,5+ years C/C++/Java,Top Secret clearance,polygraph willingness,proficiency with Python and data visualization,EMR not mentioned.
Python, C, C++, Java, AWS, Docker, Kubernetes, PyTorch, TensorFlow, Perl, Ruby, Javascript, NoSQL, Eclipse, IntelliJ, Emacs, Git, Subversion, Jira, Linux, Windows, Unix
1w
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Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yr OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, C#, NetCDF, HDF5, WRF, Unity3D, Google Protocol Buffers (Protobuf), Android Studio, Android Team Awareness Kit (ATAK), AWS GovCloud, AES-256, TLS, Cursor-on-Target, DIS, HLA
2mo
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Software Engineer (All Levels)
Annapolis Junction, Maryland, United States
OnsiteFull Time
TS/SCI with polygraph; experience in Python, Java, C++, or similar; large-scale data, distributed systems, or real-time processing; degree in Computer Science or Software Engineering (or equivalent); collaborative mindset; plus AWS, DevOps/CI/CD, Docker/Kubernetes and ML exposure.
Python, Java, C++, Docker, Kubernetes, AWS, CI/CD
1w
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Software Engineer II, Data Management
Richmond, Virginia, United States
$108k-$140k/yr HybridFull Time
4+ YOEBachelor's degree and 4+ years experience in React JS and C#/.NET, 3+ years SQL experience, experience building large distributed systems, familiarity with AWS and AI tooling, strong communication and design skills.
React JS, C#, .NET Framework, AWS, Dynamo, S3, Lambda, SQL Server, T-SQL, PostgreSQL, Claude Code, GitHub Copilot, Cursor, Gemini, Grok, Azure, Azure Machine Learning, AWS SageMaker, Azure AI Foundry, AWS Bedrock
1w
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Software Engineer II, Data Management
Richmond, Virginia, United States
$108k-$140k/yr HybridFull Time
4+ YOEBachelor's degree and 4+ years experience building distributed systems using React JS, C#, .NET, SQL Server; experience with cloud (AWS/Azure) and AI tooling preferred.
React JS, JavaScript, C#, .NET Framework, Web API 2.0, AWS, Dynamo, S3, Lambda, SQL Server, T-SQL, PostgreSQL, Claude Code, GitHub Copilot, Cursor, Gemini, Grok, Azure, Azure Machine Learning, AWS SageMaker, Azure AI Foundry, AWS Bedrock
1mo
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Journeyman Navigation Data Integrity Engineer
Patuxent River, Maryland, United States
$73k-$110k/yr OnsiteFull Time
3+ YOEU.S. citizenship required. Bachelor\u0000s in software engineering or related discipline with 3+ years' experience. Active Secret clearance or eligibility for interim clearance. Strong communication, attention to detail; familiarity with CNS/ATM, DO-200/DO-178 desirable.
1w
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Junior Systems Engineer
King George, Virginia, United States
$64k-$128k/yr OnsiteFull Time
Bachelor's in math, CS, engineering, or physical science; ability to obtain Secret clearance; experience with C++, Python, Java, MBSE tools; data analysis and software development skills for Aegis Weapon System support.
Python, C++, Java, Rhapsody, Cameo, Aegis Weapon System (AWS)
1mo
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AI Evaluation Engineer
Bucharest or Boulder or Boston or Chicago or Glendora or Richmond or London or Auckland
lei16k-lei19k/mo HybridFull Time
5+ YOEBachelor's in CS/Data/Math, 5+ years software engineering with focus on testing/evaluation or AI/ML tooling, strong Python, experience building evaluation pipelines and LLM eval concepts, familiarity with RAG and production data pipelines.
RAGAS, LangSmith, PromptFlow, Snowflake, Python, RAG
3w
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Lead Machine Learning / Data Science Engineer
Richmond, Virginia, United States
$90k-$200k/yr OnsiteFull Time
7+ YOE7+ years delivering cloud-based data engineering and ML solutions; Bachelor's degree or equivalent; technical leadership and mentoring experience; hands-on with Python/Scala, SQL, Spark, NoSQL, Docker, Snowflake/Databricks, AWS/Azure/GCP; experience with production LLMs and agentic AI.
Python, Scala, SQL, Spark, NoSQL, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, AWS, Azure, GCP, GPT, Claude, Mistral, langchain, n8n, pydantic, MCP, RAG
3w
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Chemical Engineer
Indian Head, Maryland, United States
$78k-$176k/yr OnsitePart Time
12+ YOE12+ years in sensor/instrumentation sustainment with calibration, troubleshooting, NDT, and lifecycle support; experience with data acquisition software, drafting technical manuals/SOPs/ECPs; knowledge of DoW and NAVSEA explosives safety; Secret clearance; Bachelor's in related field.
data acquisition software, spectrometry, photoionization
2mo
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AI Prompt and Skills Engineer
Raleigh or Indianapolis or Atlanta or Richmond or Tysons Corner or Ft. Lauderdale or West Warwick or Austin or Denver or Orlando or Charlotte or Greenville or Jeffersonville or Alpharetta or Tampa or Nashville or Cincinnati or Louisville or Augusta or Rockville or Chicago or Reading or Pittsburgh
$116k-$175k/yr RemoteFull Time
Bachelor’s degree in Computer Science, Data Science, Information Systems, Engineering; hands-on prompt engineering; familiarity with AI platforms; strong documentation and collaboration.
Anthropic Claude, Microsoft Copilot, AI development frameworks, Prompt engineering tooling
2mo
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Senior Machine Learning Engineer
Wichita or Waldorf or Lawton or Round Rock
OnsiteFull Time
Knowmadics: Develops AI-driven electronic warfare and situational awareness software platforms.
7+ YOE7-10 years in software or ML engineering; Python ML pipelines; deep learning libraries (e.g., PyTorch); C or systems programming; ETL with Kafka/Spark; ML for unstructured data; GPUs/CUDA; production model deployment; US citizenship and eligible for clearance.
Python, PyTorch, CUDA, Kafka, Spark, Docker, Kubernetes, Helm
2mo
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Intelligent Systems Platform Engineer
Richmond, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in industrial IoT platforms or OT/IT data infrastructure; strong data modeling; polyglot data architectures; end-to-end data pipelines for ML/AI; cloud experience; security and governance.
Modbus, BACnet, SNMP, OPC-UA, MQTT, AWS, Azure, GCP, Data pipelines, CI/CD, Docker, Kubernetes, IEC 62443