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Hire expert LangChain developers

LangChain is the most widely adopted framework for building LLM-powered applications. It provides composable chains, agents, memory, and retrieval components that let developers build RAG pipelines, autonomous agents, ch…

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Projects delivered
50+
Average rating
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Response time
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Hire a LangChain developer

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A cleaner way to hire LangChain developers

Hire LangChain developers from Krapton when you need senior engineers who can join quickly, understand production constraints, and work inside your existing tools. We match you with full-time, in-house developers who write maintainable...

Shortlist
24h
Replacement
30d
IP yours
100%

  • Vetted production engineers

    Every LangChain developer is screened for real delivery experience, code quality, debugging skill, and the ability to work in mature product teams.

  • Your repo, your workflow

    Our developers work in your Git, Jira, Slack, CI, and review process so the engagement feels like adding a strong internal teammate.

  • Shortlist within 24 hours

    Share the brief and we will line up relevant profiles quickly, with clear seniority, availability, and pricing before you commit.

  • Full-time in-house talent

    No marketplace freelancers or subcontracted agencies. You work with Krapton employees under one contract, one NDA, and one quality bar.

Why LangChain?

What makes LangChain the right choice for modern engineering teams.

  • Chains & LCEL

    LangChain Expression Language for composing prompt templates, LLMs, and output parsers.

  • RAG pipelines

    Document loaders, text splitters, vector stores, and retrievers for grounded generation.

  • Agents & tools

    ReAct, function-calling, and custom agents that use tools to accomplish multi-step tasks.

  • Memory

    Conversation buffer, summary, and entity memory for stateful multi-turn conversations.

  • Multi-provider support

    Works with OpenAI, Anthropic, Google, Mistral, Ollama, and 50+ LLM providers.

  • LangSmith

    Tracing, evaluation, and prompt management for production LLM applications.

LangChain in action

from langchain_openai import ChatOpenAI, OpenAIEmbeddings
from langchain_community.vectorstores import Chroma
from langchain.chains import RetrievalQA
from langchain_core.prompts import ChatPromptTemplate

# RAG pipeline
embeddings = OpenAIEmbeddings(model="text-embedding-3-small")
vectorstore = Chroma.from_documents(docs, embeddings)
retriever = vectorstore.as_retriever(search_kwargs={"k": 5})

prompt = ChatPromptTemplate.from_messages([
    ("system", "Answer using only the provided context.\nContext: {context}"),
    ("human", "{question}"),
])

chain = RetrievalQA.from_chain_type(
    llm=ChatOpenAI(model="gpt-4o"),
    retriever=retriever,
    chain_type_kwargs={"prompt": prompt},
)

answer = chain.invoke({"query": "What is the refund policy?"})

What our LangChain developers know

Every Krapton developer is vetted with real production experience in LangChain across multiple industry domains.

Hire a developerSchedule a call
  • RAG architectureBuilding retrieval-augmented generation pipelines with vector stores and hybrid search.
  • Prompt engineeringWriting effective system prompts, few-shot examples, and output parsers.
  • Agent designBuilding function-calling agents with tool use, error handling, and plan-and-execute loops.
  • Vector storesIntegrating with Pinecone, Chroma, Weaviate, and pgvector for document retrieval.
  • StreamingImplementing streaming responses for real-time user feedback in chat applications.
  • EvaluationUsing LangSmith and RAGAS for evaluating retrieval quality and answer accuracy.

How to hire LangChain developers in 5 steps

A transparent, low-risk process — from first call to onboarded engineer in about two business days.

  1. 01Day 0

    Share your brief

    Tell us the stack, scope, seniority and the timezone overlap you need on a free 30-minute discovery call. No obligation, no sales pitch.

  2. 02Within 24 hours

    Review matched profiles

    We shortlist 2–3 pre-vetted LangChain engineers from our in-house bench, with CVs and directly relevant work — usually within one business day.

  3. 03Days 1–2

    Interview & test

    Interview each developer yourself, run a paid trial task, or do a live pairing session. You decide who joins — we never push a profile.

  4. 04Within 2 days

    Onboard securely

    Sign a free NDA, then plug the developer into your Jira, repository and Slack. Engagements are month-to-month with no lock-in.

  5. 05Ongoing

    Scale or replace

    Scale the team up or down month by month as the roadmap changes. If the fit is not right, you get a free replacement within the first 30 days.

More AI / ML technologies

Other AI / ML technologies we work with at Krapton.

Three ways to hire LangChain developers

Pick the engagement that matches how you actually work. No multi-year contracts — scale up or down month by month.

  • Dedicated developer

    Most popular

    Full-time LangChain engineer who reports only to you. Best for ongoing products, long-term roadmaps and teams that need a core hire without the HR overhead.

    • 40 hours / week
    • Your Jira, your repo
    • Month-to-month

  • Hourly / time & materials

    Pay only for billable hours. Ideal for research spikes, code audits, or variable-load LangChain work where scope is still being discovered.

    • Weekly timesheets
    • Slack-first comms
    • No minimum commit

  • Fixed-price milestones

    Scoped delivery with clear milestones and acceptance criteria. Best for well-defined LangChain builds like an MVP, a migration or a specific module.

    • Scope locked upfront
    • Milestone acceptance
    • Predictable budget

Compare ways to hire LangChain developers

Pick the model that matches how you work. Switch between them as your LangChain project evolves — no multi-year contracts.

Compare ways to hire LangChain developers
EngagementDedicated developer (popular)Hourly / time & materialsFixed-price milestones
Best forOngoing products & long-term roadmapsExploratory or variable-load workWell-scoped MVPs, modules & migrations
BillingMonthly, full-time (~160 hrs)Per billable hourPer accepted milestone
CommitmentMonth-to-month, no lock-inNo minimum commitmentScope locked up front
FlexibilityScale up or down monthlyHighest — pay for what you useLowest — defined deliverables
You manageDay-to-day in your toolsWeekly prioritiesAcceptance criteria only
ReportingDaily standupsWeekly timesheetsMilestone demos

Hire LangChain developers from anywhere

Our New Delhi team partners with founders and engineering leaders across eight key markets, with enough daily timezone overlap to feel in-house.

  • Hire LangChain developers in India

    Full working-day overlap

    Krapton is an on-shore LangChain studio in New Delhi. Hire LangChain developers in India and get senior, full-time engineers at roughly 50–70% of US/UK rates — with English-fluent communication and IST working hours.

  • Hire LangChain developers in USA

    4–6 hours of daily overlap — your morning, our evening

    Hire dedicated LangChain developers for your USA team without the local price tag. US companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in UK

    Overlap across your whole morning (our afternoon)

    Hire dedicated LangChain developers for your UK team without the local price tag. UK companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in Canada

    4–6 hours of daily overlap with ET and PT

    Hire dedicated LangChain developers for your Canada team without the local price tag. Canada companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in Australia

    Strong overlap — our morning is your afternoon

    Hire dedicated LangChain developers for your Australia team without the local price tag. Australia companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in UAE

    Near-complete overlap — just 90 minutes apart

    Hire dedicated LangChain developers for your UAE team without the local price tag. UAE companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in Germany

    Overlap through your morning and our afternoon (DACH)

    Hire dedicated LangChain developers for your Germany team without the local price tag. Germany companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

  • Hire LangChain developers in Singapore

    Near-complete overlap — only 2.5 hours apart

    Hire dedicated LangChain developers for your Singapore team without the local price tag. Singapore companies work with our vetted, full-time LangChain engineers at 50–70% lower cost than local contractors, with enough daily overlap for live standups, pairing and code review.

LangChain developer rates

Hire dedicated LangChain developers from India at roughly 50–70% less than equivalent US or UK rates — without compromising on code quality. Rates below are blended hourly bands; dedicated developers are billed monthly with no lock-in.

Get a tailored quote

  • Junior (1–3 yrs)

    Feature work under senior review

    $30–$40/hr

  • Mid-level (3–6 yrs)

    Owns modules end-to-end

    $40–$50/hr

  • Senior / lead (6+ yrs)

    Architecture, reviews, mentoring

    $50–$60/hr

Why teams hire LangChain developers from Krapton

Projects delivered
50+
In-house engineers
60+
Average client rating
4.8/5
On-time delivery
98%

  • Vetted, full-time engineers

    Every LangChain developer is a full-time, in-house Krapton engineer — never a freelancer or subcontractor.

  • Ready in 24 hours

    Shortlisted LangChain CVs within a business day and an onboarded developer within two.

  • 50–70% cost saving

    Senior India talent at a fraction of US/UK contractor rates, with no drop in quality.

  • Your IP, your repos

    Full IP assignment, free NDA on request, and all code in your accounts from day one.

  • 30-day replacement

    Not the right fit? Free replacement within five business days in the first 30 days.

  • Real timezone overlap

    4–6 hours of daily overlap with US, UK, EU, UAE and AU teams for live collaboration.

Services that pair well with LangChain

Most LangChain engagements also benefit from these Krapton services. Browse full offerings on the services page.

Hire LangChain developer

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Hiring LangChain developers — answered

Practical answers to the questions CTOs and founders ask us most often before they hire.

How quickly can I hire a LangChain developer from Krapton?

Within 24 hours of the initial call. We keep a bench of pre-vetted LangChain engineers, so once you confirm the brief we line up two or three shortlisted CVs within a business day and can onboard the selected developer within two.

How much does it cost to hire a dedicated LangChain developer from India?

Blended hourly rates for senior LangChain engineers typically fall in the $30–$60 USD range depending on seniority and engagement length — roughly 50–70% cheaper than equivalent talent in the US or UK, with no loss of code quality. Dedicated developers are billed monthly with no lock-in.

Are your LangChain developers full-time employees or freelancers?

Every LangChain developer you hire through Krapton is a full-time, in-house engineer — we never subcontract to freelancers or agencies. That means consistent code quality, signed NDAs, and a single point of accountability for your project.

Can I hire remote and offshore LangChain developers who work in my timezone?

Yes. Our New Delhi team works in IST and overlaps 4–6 hours per day with PST, EST, GMT, CET and AEST clients for live standups, pairing and code review. You get the cost advantage of offshore LangChain developers with enough real-time overlap to feel like an in-house team.

Who owns the code and IP my LangChain developers write?

You do — 100%. IP assignment and confidentiality are covered by the contract and a free NDA on request. All code lives in your repositories, on your infrastructure, under your accounts from day one.

What if a LangChain developer is not the right fit?

You get a free replacement guarantee for the first 30 days. If your developer is not delivering to expectations in that window, we replace them at no cost within five business days, and you only pay for hours worked by the original engineer.

Can you provide a whole LangChain team, not just one developer?

Yes. Many clients start with one LangChain developer and scale into a pod — for example a couple of LangChain engineers, a QA engineer and a part-time DevOps or UI/UX specialist — coordinated by a delivery lead. You scale the team up or down month by month.

Do you work with both startups and enterprises?

Both. Startups hire LangChain developers from Krapton to ship an MVP fast on a lean budget; enterprises use us for dedicated capacity, modernization and overflow delivery with NDAs, security controls and clear reporting. We tailor the engagement model and process to each.

Which engagement models do you offer for hiring LangChain developers?

Three: (1) a dedicated full-time developer billed monthly — best for ongoing products; (2) hourly time-and-materials — best for research or variable-load work; (3) fixed-price milestones — best for well-scoped builds. We recommend the right fit after a 30-minute discovery call.

Keep exploring

More ways to plan your LangChain build and team with Krapton.

Ready to build with LangChain?

Get a free 30-minute consultation with our LangChain team. Clear roadmap, transparent pricing, no obligation.

  • Free NDA on request
  • Response within 24 hours
  • Certified LangChain developers
  • Flexible engagement models
  • US, UK, UAE & India clients served

Let's start your first project at reasonable prices.

Tell us what you want to build. We'll suggest the right Langchain developer, timeline, and budget-friendly first milestone.

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