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LangChain

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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…

50+
Projects delivered
4.8★
Average rating
24h
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Hire LangChain Developers

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...

24h
shortlist
30d
replacement
100%
IP yours

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.

Key Capabilities

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.

Code Example

LangChain in Action

langchain-demoAI / ML
Our Developers

What Our LangChain
Developers Know

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

RAG Architecture
Building retrieval-augmented generation pipelines with vector stores and hybrid search.
Prompt Engineering
Writing effective system prompts, few-shot examples, and output parsers.
Agent Design
Building function-calling agents with tool use, error handling, and plan-and-execute loops.
Vector Stores
Integrating with Pinecone, Chroma, Weaviate, and pgvector for document retrieval.
Streaming
Implementing streaming responses for real-time user feedback in chat applications.
Evaluation
Using LangSmith and RAGAS for evaluating retrieval quality and answer accuracy.
Hiring Process

How to hire LangChain developers in 5 steps

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

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.

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.

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.

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.

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.

Engagement Models

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
Engagement Models

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.

Dedicated developerPopularHourly / 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
Global Hiring

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.

Transparent Pricing

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 Krapton

Why teams hire LangChain developers from Krapton

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

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.

FAQ

Hiring LangChain developers — answered

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

Hire LangChain Experts

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
LangChain

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