// US-based Next.js developers

Free project plan & cost estimate in 48 hours.

Senior Next.js developers, based in the US, working your hours

Fast, search-friendly Next.js sites and apps, built by engineers who know server rendering, caching, and deploys inside out.

  • Interview engineers before you pay anything
  • 100% U.S.-based, working your hours
  • No brief or spec needed to get started

First 5 Dev Hours Free

Project plan. Roadmap. Cost & ROI estimation.

Real engineers. Real conversations.

Talk to an engineer. Not a salesperson.

Free · No commitment · Project-focused call

Most teams interview matched engineers within a week

Not the right fit? We bring in a replacement

Get your free project plan

Three quick steps. No brief needed.

Step 1 of 3

NextGen will never sell any data you give to us, we'll only reach out.

Free · No commitment · Reply within one business day

// teams we've worked with

FileFormsBread FinancialFinCEN AdvisorsFinovoraTaxNowSagemont Tax Services
“NextGen scaled us from 2 to 7 dedicated engineers in under a quarter. Enterprise-grade capacity, zero agency drag.”
Director of Engineering · FileForms

Sound familiar?

  • Hiring a senior Next.js developer full-time is taking months.
  • Your Next.js codebase has grown messy and every change breaks something else.
  • Offshore hand-offs and time-zone gaps turn one-day fixes into week-long threads.
  • You need someone senior enough to make decisions, not just close tickets.
Get matched engineers this week One call. Matched profiles. You pick who to interview.

What our Next.js engineers build

Fast, SEO-ready sites

Server-rendered pages that load fast and rank.

Full-stack apps

Next.js apps with login, payments, and dashboards.

Migrations

Moves to the App Router or off older setups, done safely.

How it works

  1. 01

    Pick a time

    Book a 30-minute project call directly in our calendar.

  2. 02

    Talk through the problem

    Tell us what needs building, what's stuck and what success looks like. No spec needed.

  3. 03

    Your plan in 48 hours

    Get your project plan, roadmap, cost and ROI estimates. The plan is yours to keep.

  4. 04

    First 5 dev hours free

    Agree the scope with our team. Decide whether to continue before any paid work begins.

Common questions

Will this turn into a sales pitch?

No. The call is about your project: what needs building, what's stuck, and whether we have the right engineers. If we're not a fit, we'll say so.

What do I get for free?

A project plan, roadmap, cost estimate and ROI estimate within 48 hours of your project call. Your first 5 development hours are free, too. We agree the scope and any paid work with you before proceeding.

Do I need a spec or brief?

No. Tell us the problem in plain words and we'll help shape the scope with you.

Are the engineers really in the U.S.?

Yes. Every engineer lives and works in the United States. No offshore hand-offs, and that's in the contract.

What our clients say

FileForms client review
"NextGen scaled us from 2 to 7 dedicated engineers in under a quarter. Enterprise-grade capacity, zero agency drag."
Director of Engineering · FileForms
Sagemont Tax Services client review
"Their R&D tax credit workflow platform paid for itself in the first filing season."
VP, Product · Sagemont Tax Services
TaxNow client review
"AI-native from day one. Our IRS transcript pipeline runs 24/7 without a human in the loop."
Founder · TaxNow
Bremar & Armstrong client review
"Property tax appeals used to take weeks. Their comp analysis tooling turned it into hours."
Managing Partner · Bremar & Armstrong
Star Health client review
"The AI intake agent handles our tier-1 patient calls with a hand-off cleaner than our old call center."
Head of Operations · Star Health
SEM Restaurant Group client review
"POS, inventory, ordering — all unified. We finally have one source of truth across every location."
COO · SEM Restaurant Group
Trademark Waste Solutions client review
"The procurement platform paid for itself in the first quarter of use."
Director of Operations · Trademark Waste Solutions
PlayerTrader client review
"They shipped our matching engine in 6 weeks. Our old team would've taken 6 months."
CTO · PlayerTrader
Guidant Global client review
"Enterprise-grade delivery without the enterprise-agency price tag."
Program Director · Guidant Global
PM Insights client review
"Their team plugged into our sprint on day one. Zero ramp time."
Head of Engineering · PM Insights
FileForms client review
"NextGen scaled us from 2 to 7 dedicated engineers in under a quarter. Enterprise-grade capacity, zero agency drag."
Director of Engineering · FileForms
Sagemont Tax Services client review
"Their R&D tax credit workflow platform paid for itself in the first filing season."
VP, Product · Sagemont Tax Services
TaxNow client review
"AI-native from day one. Our IRS transcript pipeline runs 24/7 without a human in the loop."
Founder · TaxNow
Bremar & Armstrong client review
"Property tax appeals used to take weeks. Their comp analysis tooling turned it into hours."
Managing Partner · Bremar & Armstrong
Star Health client review
"The AI intake agent handles our tier-1 patient calls with a hand-off cleaner than our old call center."
Head of Operations · Star Health
SEM Restaurant Group client review
"POS, inventory, ordering — all unified. We finally have one source of truth across every location."
COO · SEM Restaurant Group
Trademark Waste Solutions client review
"The procurement platform paid for itself in the first quarter of use."
Director of Operations · Trademark Waste Solutions
PlayerTrader client review
"They shipped our matching engine in 6 weeks. Our old team would've taken 6 months."
CTO · PlayerTrader
Guidant Global client review
"Enterprise-grade delivery without the enterprise-agency price tag."
Program Director · Guidant Global
PM Insights client review
"Their team plugged into our sprint on day one. Zero ramp time."
Head of Engineering · PM Insights
// trusted by
FileForms
Bread Financial
FinCEN Advisors
Finovora
TaxNow
Sagemont Tax Services
Guidant Global
Bremar & Armstrong Property Tax Consultants
Inventive Advisors
PM Insights
S. Rice Group
Star Health
SEM Restaurant Group
Trademark Waste Solutions
Lee Cohen
PlayerTrader
Perrrign AI
Blackhat
BeatBallot
Boosted Earnings
Torchlight 250
Canary
Billing Geeks
ReLi Med Solutions
Green Leaf Wellness
// partners & platforms
AWS Partner
Google Cloud Partner
Microsoft
Vanta Partner
Sanity Partner
Nanonets
// certifications & recognition
DesignRush — Top Software Development Company 2025
SAM Certified — Strategic Contracting Solutions
MBE Certified — Minority Business Enterprise
Powered by U.S. Small Business Administration
U.S. Commercial Service — U.S. Department of Commerce, International Trade Administration
// conferences & events
The AI Summit New York
New York Restaurant Show
NYSCC Suppliers' Day
Texworld New York City
Curve New York

Hire senior US-based Next.js developers from NextGen Coding Company for App Router applications, authenticated portals, and content-driven websites. Define the work around your actual Next.js version: a Next.js 15 application needs version-aware decisions about caching, asynchronous request APIs, and React 19 compatibility. Useful interview topics include React Server Components, Route Handlers, Server Actions, and the boundary between server-only code and browser bundles.

Bring your Vercel configuration or self-hosted Node.js deployment details, monitoring traces, and slow routes to the first discussion. Every engineer is US-based, follows your working hours, and joins standups without offshore subcontracting. An NDA and full IP assignment come before code access. Most teams interview matched engineers within a week of the first call, using your application needs to guide the conversation.

// faq

Frequently asked questions

What skills should a senior Next.js developer have?
A strong candidate should explain rendering choices route by route, not simply recommend server rendering everywhere. Ask about Server Components, client boundaries, Suspense, Route Handlers, and cache invalidation in your installed version. Include TypeScript, accessibility, and Playwright testing in the discussion, alongside deployment behavior on Vercel or your own Node.js infrastructure.
Should we migrate from Pages Router to App Router?
Not every Pages Router application needs an immediate rewrite. Assess dependencies, authentication, data-fetching patterns, and the value of nested layouts or Server Components. Next.js supports incremental adoption, so a migration can start with selected routes. Candidates should explain how they would preserve redirects, metadata, analytics, and test coverage during that transition.
Why is our Next.js application showing stale data?
Investigate each caching layer separately: upstream APIs, fetch behavior, route output, client navigation, and any CDN configuration. Defaults differ across Next.js releases, so advice should reference your version. Ask candidates to trace a mutation through revalidation and navigation, including whether personalized data could accidentally enter a shared cache.
How can a Next.js developer improve Core Web Vitals?
Begin with field measurements and route-specific traces rather than a blanket framework change. Common issues include oversized client bundles, delayed largest-contentful images, third-party scripts, and layout shifts from fonts or embeds. Ask about next/image, next/font, bundle analysis, and moving suitable logic into Server Components without creating slow server-side data waterfalls.
Are Next.js Server Actions safe for authenticated operations?
Treat each Server Action as a server entry point that needs its own input validation and authorization. Hiding a button does not protect an operation. Review session handling, record ownership, error disclosure, and secrets management. Before sharing repository access with our engineers, we sign an NDA and full IP assignment.
Are your developers really based in the US?
Yes. Every engineer lives and works in the United States. No offshore subcontracting and no hand-offs to another team. That's written into the contract.
How fast can someone start?
Most teams interview matched engineers within a week of the first call. Start dates depend on your interview process.

Related reading

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