ZipRecruiter

Log In

1

Langchain Developer Jobs in Washington (NOW HIRING)

VIS IT Solutions Inc

Angular Developer

Dulles, VA · Remote

$56 - $68.50/hr

Angular Developer Location: Remote - Design and build scalable, maintainable frontend systems using ... tools (e.g., LangChain, Vertex AI, OpenAI API). Desired: - Experience creating AI-assisted UX ...

Zvolvant

AI/ML Developer

Washington, DC · On-site

AI/ML DeveloperIntroduction Zvolvant is currently seeking a Senior AI Developer to lead the design ... Experience with Semantic Kernel or LangChain. * Background in designing agent-based AI systems.

Leidos

Agentic AI Developer

Columbia, MD · On-site

$69K - $125K/yr

Agentic AI Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of ... Experience building AI applications using LangChain. Experience with AI observability and tracing ...

Leidos

Agentic AI Developer

Chantilly, VA · On-site

$69K - $125K/yr

Agentic AI Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of ... Experience building AI applications using LangChain. Experience with AI observability and tracing ...

Leidos

Agentic AI Developer

Chantilly, VA · On-site

$69K - $125K/yr

... using LangChain. • Experience with AI observability and tracing tools such as Langfuse. • ... engineering, RAG pipelines, and agent orchestration concepts. • Strong communication and problem ...

Merican

AWS AI Engineer

Herndon, VA · On-site

Build and maintain agent-based workflows using frameworks like LangChain, CrewAI, or AutoGen ... Build and support Internal Developer Platforms (IDP) for AI use cases Must-Have Skills * Strong ...

Saransh Inc

AI Ops Engineer

Reston, VA · On-site

$72K - $97K/yr

AI Ops Engineer Location: Reston, VA (3 to 4 days onsite is must) Job Type: Contract Required ... Langchain * AWS * Experience in AI Development, MLOps, or a similar role with a focus on AI/ML ...

Leidos

Senior SW Developer

Chantilly, VA · On-site

$131K - $237K/yr

Exposure to foundation AI models such as GPT Familiarity with AI topics and concepts such as prompt engineering Experience with AI libraries such as LangChain or others Understanding of Identity ...

Leidos

Senior SW Developer

Chantilly, VA

$131K - $237K/yr

Exposure to foundation AImodels such as GPT Familiarity with AI topics and concepts such as prompt engineering Experience with AI libraries such as LangChain or others Understanding of Identity ...

Nightwing

Junior Software Developer

Annapolis, MD · On-site

$55K - $106K/yr

The team comprises engineers of multiple disciplines including vulnerability research, reverse ... Langchain * Langchain4j * Embedding Stores * MCP Servers * Familiarity with grpc or other rpc ...

Leidos

Software Developer SME

Chantilly, VA

$154K - $278K/yr

The Developer will be part of a team of developers that are building a new application that ... Experience with AI libraries such as LangChain or others * Experience with DynamoDB, PostgreSQL ...

Nwis

Junior Software Developer

Annapolis Junction, MD

$55K - $106K/yr

The team comprises engineers of multiple disciplines including vulnerability research, reverse ... Langchain * Langchain4j * Embedding Stores * MCP Servers * Familiarity with grpc or other rpc ...

next page

Showing results 1-20

All JobsLangchain Developer JobsLangchain Developer Jobs in Washington

Langchain Developer information

See Washington salary details

$19

$59

$92

How much do langchain developer jobs pay per hour?

As of Jul 17, 2026, the average hourly pay for langchain developer in Washington is $59.85, according to ZipRecruiter salary data. Most workers in this role earn between $45.72 and $73.22 per hour, depending on experience, location, and employer.

What is a Langchain Developer job?

A Langchain Developer specializes in building applications using LangChain, a framework for developing AI-driven applications that leverage large language models (LLMs). Their role involves integrating LLMs with data sources, optimizing prompt engineering, and designing workflows for chatbots, automation, and knowledge retrieval. They often work with Python, APIs, and vector databases to enhance AI capabilities. The job requires expertise in natural language processing (NLP), machine learning, and cloud services.

What are some typical challenges faced by Langchain Developers and how do teams address them?

Langchain Developers often encounter challenges such as integrating new language models, ensuring data privacy, and maintaining prompt accuracy in dynamic real-world scenarios. Teams commonly address these difficulties by collaborating closely with data scientists, regularly updating their knowledge of evolving AI frameworks, and implementing robust testing protocols to ensure quality results. Continuous learning and knowledge-sharing within the team are encouraged so developers can quickly adapt to changes in technology or requirements. Additionally, cross-functional meetings and code reviews are held to align development with organizational goals and best practices. These efforts help ensure that projects remain innovative and effective while minimizing potential roadblocks.

What are the key skills and qualifications needed to thrive in the Langchain Developer position, and why are they important?

To thrive as a Langchain Developer, you need strong programming skills in Python, experience with large language models (LLMs), and a solid understanding of conversational AI workflow. Familiarity with tools and platforms such as LangChain, vector databases (e.g., Pinecone, FAISS), cloud services, and API integrations is commonly required. Excellent problem-solving, communication, and collaboration skills help you adapt to fast-paced AI projects and work effectively with cross-functional teams. These competencies are essential for designing, implementing, and optimizing advanced AI-powered applications that deliver real business value.

What are the most commonly searched types of Langchain Developer jobs in Washington? The most popular types of Langchain Developer jobs in Washington are:
What are popular job titles related to Langchain Developer jobs in Washington? For Langchain Developer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Langchain Developer jobs in Washington look for? The top searched job categories for Langchain Developer jobs in Washington are:
What cities in Washington are hiring for Langchain Developer jobs? Cities in Washington with the most Langchain Developer job openings:
Langchain Developer jobs near you
Need Senior AI System Engineer ( Python, MCP, Langchain)

Need Senior AI System Engineer ( Python, MCP, Langchain)

Visionsoft International

Mclean, VA • On-site

Other

Re-posted 3 days ago

Job description

Need Sr Python Developer with strong AI, MCP exp

McLean, VA

Hybrid

Python Fundamentals (Must Have)

  • Deep expertise in Python 3.10+, including asyncio, multithreading/multiprocessing, decorators, generators, and metaclasses
  • Proficiency with foundational packages: NumPy, Pandas, Pydantic, httpx/requests, dataclasses, typing
  • Strong grasp of clean code principles, SOLID design, and Pythonic idioms
  • Experience writing unit/integration tests with pytest and maintaining high code coverage
  • Familiarity with linting/formatting toolchains (ruff, black, isort, mypy) and pre-commit hooks
  • Experience with dependency and environment management (Poetry, uv, pip, venv, conda)

Agentic AI, LangChain & MCP (Core Focus)

  • Proven hands-on experience with Model Context Protocol (MCP) designing, building, and maintaining MCP servers and clients
  • Strong working experience with FastMCP for building Python-based MCP servers with tools, resources, and prompts
  • Expert-level experience with LangChain (chains, agents, memory, retrievers, output parsers, LCEL)
  • Experience with LangGraph for stateful, multi-agent, and graph-based agentic workflows
  • Understanding of tool/function calling, structured outputs, and agent-to-agent communication patterns
  • Experience integrating multiple LLM providers (Anthropic Claude, OpenAI, Azure OpenAI, Gemini, open-source models)
  • Knowledge of RAG architecture: chunking strategies, embeddings, hybrid search, re-ranking, and evaluation

ML/AI Foundations

  • Working knowledge of machine learning fundamentals: embeddings, similarity metrics, classification, evaluation
  • Familiarity with PyTorch, TensorFlow, or scikit-learn for model training/inference where needed
  • Experience with Hugging Face ecosystem (Transformers, datasets, model hub)
  • Understanding of prompt engineering, few-shot learning, and LLM evaluation frameworks (RAGAS, DeepEval, LangSmith evals)

Cloud, DevOps & MLOps

  • 4+ years deploying applications on AWS, Azure, or Google Cloud Platform (Lambda, ECS/EKS, Cloud Run, Azure Functions)
  • Proficiency with Docker; working knowledge of Kubernetes and Helm
  • CI/CD experience with GitHub Actions, GitLab CI, or Azure DevOps
  • Experience with LLM observability and tracing tools (LangSmith, Langfuse, Arize Phoenix, OpenTelemetry)
  • Familiarity with secrets management, rate limiting, and cost monitoring for LLM workloads

Security & Responsible AI

  • Experience implementing guardrails, input/output validation, and PII handling in AI pipelines
  • Awareness of prompt injection risks and mitigation strategies in agentic/MCP-based systems
  • Understanding of compliance considerations (SOC 2, GDPR, HIPAA) when handling sensitive data

Collaboration & Leadership

  • Experience mentoring engineers, conducting code reviews, and setting technical standards
  • Ability to translate business problems into AI solution architectures
  • Excellent communication skills with both technical and non-technical stakeholders
  • Comfortable in Agile/Scrum delivery models with tools like Jira and Confluence

  • Backend & API Development

    • 5+ years building production APIs with FastAPI, Flask, or Django REST Framework
    • Experience with streaming responses (SSE/WebSockets) for real-time LLM output
    • Solid understanding of authentication/authorization mechanisms (OAuth2, JWT, API key management)
    • Experience designing scalable microservices and event-driven architectures (Kafka, RabbitMQ, Celery)

    Data & Storage

    • Strong SQL skills (PostgreSQL, MySQL) and experience with ORMs (SQLAlchemy)
    • Hands-on experience with vector databases: Chroma, Pinecone, Qdrant, Weaviate, pgvector, or FAISS
    • Experience with caching layers (Redis) and NoSQL stores (MongoDB, DynamoDB)
    • Data preprocessing, ETL pipeline development, and working with structured/unstructured data

Nice to Have

  • Contributions to open-source AI/LLM projects (LangChain, MCP servers, etc.)
  • Experience with fine-tuning (LoRA/QLoRA) or self-hosted model serving (vLLM, Ollama, TGI)
  • Knowledge of A2A protocols, CrewAI, AutoGen, or other multi-agent frameworks
  • Experience building Slack/Teams bots or IDE integrations powered by MCP

Education & Experience

  • Minimum 7-10 years of overall software engineering experience with strong Python expertise
  • 3+ years of hands-on experience building LLM-powered or AI/ML applications in production
  • Bachelor's/Master's degree in Computer Science, Engineering, AI/ML, or equivalent industry experience
  • Demonstrated experience owning end-to-end delivery of AI products from design to deployment

Apply