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
4w
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Software Developer
Richmond or United States
$104k-$173k/yr HybridFull Time
4+ YOE4+ years development experience; strong skills in microservices, system integrations, Apache Kafka, CP4D, AI/ML, ETL, Oracle SQL/PL/SQL, cloud platforms, and containerization.
Java, JavaScript, Python, Go, Docker, Kubernetes, GCP, Azure, AWS, Apache Kafka, CP4D, SQL, PL/SQL, Oracle, TensorFlow, PyTorch, Scikit-learn, Spark, Flink, CI/CD
2w
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Senior Software Engineer Applied AI
Richmond or United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python, cloud/distributed systems experience (AWS), hands-on LLM/generative AI and ML lifecycle experience, and disciplined work in regulated environments.
Python, AWS, LLMs
2mo
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Sr. Distinguished Engineer
McLean or Richmond
$315k-$359k/yr OnsiteFull Time
9+ YOEBachelor’s degree; 9+ years in enterprise architecture, software engineering, ML; cloud platforms; web systems; security engineering.
Java, Python, Go, JavaScript/TypeScript, Swift, React, Angular, Web platforms, AI/ML tooling, Cloud platforms (AWS/Azure/GCP), Networking, Security engineering
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
2mo
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Distinguished Engineer
McLean or San Francisco or Richmond
$269k-$307k/yr OnsiteFull Time
7+ YOESeven+ years in software engineering, architecture, and distributed AI/ML; cloud experience; senior technical leadership.
AWS, Azure, Google Cloud, Java, Python, Go, JavaScript, TypeScript, Swift
2mo
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Senior Lead Machine Learning Engineer
McLean or Plano or Richmond
$209k-$262k/yr OnsiteFull Time
8+ YOE2+ MgmtSenior ML engineer with 8+ years in distributed data solutions; 4+ years Python/Scala/Java; 3+ years ML systems; 2+ years leadership; Masters or Doctorate preferred.
Python, Scala, Java, PyTorch, TensorFlow, Scikit-learn, Spark, Dask
1mo
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Lead Machine Learning Engineer
Cambridge or McLean or Richmond
$197k-$225k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years building data-intensive distributed systems, 4+ years programming in Python/Scala/Java, 2+ years building and scaling ML systems; experience with ML frameworks, data pipelines, and production ML operations.
Python, Scala, Java, scikit-learn, PyTorch, Dask, Spark, TensorFlow, AWS Bedrock, Google Cloud, Azure
1w
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Sr. Lead Machine Learning Engineer
McLean or New York City or Richmond
$230k-$262k/yr OnsiteFull Time
8+ YOE2+ MgmtBachelor's degree,8+ years building data-intensive distributed solutions,4+ years programming with Python/Scala/Java,3+ years building ML systems,2+ years leading ML teams,experience with cloud and ML frameworks.
Python, Scala, Java, AWS, Azure, Google Cloud Platform, scikit-learn, PyTorch, Dask, Spark, XGBoost
4w
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Sr. Lead Machine Learning Engineer
McLean or San Francisco or Richmond or New York
$230k-$262k/yr OnsiteFull Time
8+ YOE2+ MgmtBachelor's degree, 8+ years building data-intensive distributed solutions, 4+ years programming in Python/Scala/Java, 3+ years building/optimizing ML systems, 2+ years leading ML teams; cloud and ML framework experience preferred.
Python, Scala, Java, AWS, Azure, Google Cloud Platform, scikit-learn, PyTorch, Dask, Spark, TensorFlow
5d
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Sr. Lead Machine Learning Engineer (IC)
McLean or New York City or Richmond
$209k-$286k/yr OnsiteFull Time
8+ YOEBachelor's degree, 8+ years building data-intensive distributed solutions, 4+ years Python/Scala/Java, 3+ years ML systems, 2+ years leading ML teams; cloud and ML framework experience preferred.
Python, Scala, Java, scikit-learn, PyTorch, Dask, Spark, XGBoost, AWS, Azure, Google Cloud Platform
4w
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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
3mo
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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
2mo
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AI Agent & Automation Developer
Raleigh or Atlanta or Richmond or Tampa or Tysons Corner or Ft. Lauderdale or Denver or Augusta or Charlotte or Chicago or Coral Gables
$54k-$134k/yr HybridFull Time
2+ YOEBachelor's in CS/AI; 2+ years in agent-based systems; Python; LangChain/OpenAI/PyTorch; AI/ML libraries; API/backend experience; strong communication.
Python, LangChain, OpenAI API, Hugging Face, PyTorch, APIs
2mo
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Lead AI Engineer (GenAI Platform, AI Foundations, LLM Core and Agentic AI)
McLean or San Francisco or San Jose or Richmond or New York City
$197k-$225k/yr OnsiteFull Time
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with 2–4+ years of AI/ML experience; 4+ years Python/Go/Scala/Java; cloud experience with AWS/GCP/Azure preferred.
AWS, Huggingface, PyTorch, VectorDB, Nemo Guardrails, Open Source AI tools
3mo
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Principal Data Scientist, Operations
Richmond or United States
$183k-$224k/yr RemoteFull Time
3+ YOEPhD with 3+ years or BS/MS with 7+ years in quantitative field; hands-on ML model deployment; Python stack; strong software engineering practices.
PyData stack (numpy, scikit-learn, pandas)
4w
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Solution Architect (Hybrid Schedule)
Richmond, Virginia, United States
$140k-$158k/yr HybridFull Time
5+ YOEBachelor's in CS/Information Systems, 5+ years software/cloud engineering or architecture experience with Microsoft 365/Azure ecosystems; experience with Power Platform, Copilot Studio, Azure ML, APIs, and governance in regulated environments.
Microsoft Power Platform, Azure, Copilot Studio, Azure Machine Learning, Microsoft 365, Dataverse, Azure Functions, Logic Apps, Python
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