Hire a Next.js developer
Hire a senior Next.js developer — fixed price, start in 48h
Next.js and React work for startups and agencies: App Router builds, Core Web Vitals fixes, NestJS/Node APIs, Prisma and Postgres. Remote from Kolkata, India, overlapping US, EU and APAC hours.
- • Performance fixes with before/after Lighthouse numbers — from $299
- • Code and security audits of a Next.js repo — $199
- • Bug-fix days on your backlog — $150
- • 1-week MVP sprints that ship one core flow to production — from $1,500
A scoped plan within 24 hours. Nothing is auto-quoted.
Payment terms: 50% upfront for quick offers, balance on delivery. Invoiced in USD or INR; pay by bank transfer (SWIFT for USD) or a Razorpay payment link (INR).
Quick fixed-price work
Small jobs, fixed prices, start in 48h
Need one thing done well and fast? Pick an offer — you get a confirmed scope within 24 hours.
Code / security audit
$199
2–3 days
A written review of one repo: security issues, risky dependencies, and a ranked fix list.
Book thisBug-fix day
$150
1 day
A full day on your backlog: bugs fixed, pushed as reviewed PRs.
Book thisNext.js performance fix
From $299
3–5 days
Lighthouse and Core Web Vitals fixes (LCP, INP, CLS) with before/after numbers.
Book thisLiveKit integration
From $799
1–2 weeks
Real-time audio/video rooms: tokens, roles, moderation, recording and webhooks.
Book this1-week MVP sprint
From $1,500
1 week
One core flow shipped to production in a week on Next.js, ready to show users.
Book this
Payment terms: 50% upfront for quick offers, balance on delivery. Invoiced in USD or INR; pay by bank transfer (SWIFT for USD) or a Razorpay payment link (INR).
Open-source proof
Read the code before you hire
- LiveKit toolkitchainweb-livekitRole-based tokens, moderation, S3 recording, webhooks and React helpers.
- IoT traceabilityagritech-IoTMQTT ingestion, rules engine, smart contracts and a PWA dashboard.
- WhatsApp AI CRMverbal-crmCRM for WhatsApp conversations with AI assistance.
- AI on-chain analyticsAi-AnalyticsWallet and token analytics combining AI with chain data.
- Kadena launchpadkadpad-newToken launchpad built on the Kadena blockchain.
- Ethereum walletethereum-wallet-publicWeb wallet for Ethereum accounts and transactions.
- Chat analysis bottg-discord-chat-analysis-bot-publicTelegram and Discord bot that analyses community chats with AI.
Who you work with
Kabir Hossain
Founder, Chainweb Solutions
Kolkata, India · remote worldwide
You talk directly to the engineer who builds your project — Next.js, NestJS, AI, LiveKit and Web3.