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US-based QA Automation developers

Senior QA Automation developers, based in the US, working your hours

Test automation and QA engineering, done by US engineers who catch bugs before your customers do.

  • Every engineer lives and works in the US
  • Works your hours, joins your standups
  • NDA and full IP assignment from day one
Book your 15-minute call Free, no-obligation. Takes 15 minutes.
Most teams interview matched engineers within a week
Not the right fit? We bring in a replacement

Book your call: tell us what you need

// fast intake — 30s

Talk to a senior developer

Response within 1 business day. No spam.

Encrypted in transit · US-based senior engineers

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

Sound familiar?

  • Hiring a senior QA Automation developer full-time is taking months.
  • Your QA Automation 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 QA Automation engineers build

Test automation

Playwright and Cypress suites wired into CI.

Rescue & upgrades

Existing QA Automation work stabilized, documented, and brought up to date.

Integrations

QA Automation connected cleanly to the rest of your systems.

How it works

  1. 01

    15-minute call

    Tell us what you need built or fixed and where it's stuck.

  2. 02

    Matched profiles

    You meet US-based engineers with directly relevant work behind them.

  3. 03

    You interview

    Run your own technical interview. You only move forward with people you pick.

  4. 04

    They start shipping

    Onboarded into your repo, tools, and review process, with a weekly written update.

You can hire senior US-based QA developers from NextGen Coding Company to build automated tests, investigate failures, and strengthen release checks. For web applications, the work can include Playwright with TypeScript, Cypress component tests, and API coverage with pytest or REST Assured. Start with the problems slowing your team down: flaky browser tests, unreliable fixtures, missed regressions, or lengthy manual checks.

Your engineer lives and works in the US, follows your team's hours, and joins standups rather than testing in isolation. Define coverage around actual release risks, from authentication and checkout flows to browser compatibility and database migrations. We sign an NDA and full IP assignment before accessing code. Book a 15-minute call to discuss your stack, test suite, and release process.

// faq

Frequently asked questions

Should we hire a QA developer for Playwright or Cypress?
Choose based on your application and existing suite, not tool popularity. Playwright supports Chromium, Firefox, and WebKit, with browser contexts useful for multi-user workflows. Cypress offers component and end-to-end testing with an interactive runner. A QA developer can assess your browser requirements, CI environment, debugging needs, and current test maintenance burden.
Can a QA developer fix flaky tests in GitHub Actions?
Yes. The first step is separating product defects from timing issues, shared test data, and environment failures. For Playwright suites in GitHub Actions, useful evidence includes traces, screenshots, network logs, and worker configuration. Fixes might involve isolated fixtures, stable locators, or better readiness checks rather than adding sleeps and retries.
How should API testing fit into our QA automation?
API tests should cover behavior that does not need a browser: authorization, validation, error responses, and business rules. Depending on your stack, use pytest, REST Assured, or Postman collections run through Newman. Keep a smaller set of browser tests for critical user journeys, and consider Pact when independently deployed services need consumer-driven contract checks.
Can QA developers test performance as well as functionality?
Performance testing can be part of the scope, but it needs separate workloads and acceptance criteria. Tools such as k6 or JMeter can exercise APIs under expected traffic patterns. Define throughput, latency, error thresholds, and test-environment limits first. Functional browser checks alone will not explain database contention or service saturation.
How quickly can we interview a US-based QA developer?
Most teams interview matched engineers within a week of the first call. Bring your language stack, CI provider, test framework, and a description of your biggest testing bottleneck. Interviews can focus on fixture design, failure diagnosis, and coverage decisions. If the fit isn't right, we bring in a replacement with a proper hand-over.
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

// let's build something

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// what to expect
  • Response within 1 business day
  • 30-minute discovery conversation
  • Recommended engagement model & pricing
  • NYC-focused — in-person available
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