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10,000+

Test jobs in United States

Full-Stack / AI Developer

Madfish

United Kingdom
Remote
GBP 50,000 - 70,000
14 days ago
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Domestic Assistant

Harbour Healthcare

Harrogate
On-site
GBP 40,000 - 60,000
14 days ago

Fine Watches - Sales Consultant

Trades Workforce Solutions

Greater London
On-site
GBP 30,000 - 45,000
14 days ago

Senior CRM Executive

Octopus Energy Group

Greater London
On-site
GBP 50,000 - 70,000
14 days ago

Financial Planning & Analysis Manager

Morphe

Greater London
Hybrid
GBP 60,000 - 80,000
14 days ago
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Senior Analyst

Disneyland Hong Kong

Greater London
Hybrid
GBP 50,000 - 70,000
14 days ago

Artist Manager (London)

Noel Music Management

Greater London
Remote
GBP 60,000 - 80,000
14 days ago

Cloud Infrastructure Manager

Tailsco Ltd

Greater London
Hybrid
GBP 80,000 - 100,000
14 days ago
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Software Engineer

Smarkets

Greater London
Hybrid
GBP 60,000 - 80,000
14 days ago

Electrical Maintenance Engineer

Michael Page (UK)

High Wycombe
On-site
GBP 47,000 - 50,000
14 days ago

Senior Software Engineer

BGL Group

United Kingdom
Hybrid
GBP 60,000 - 80,000
14 days ago

Senior Software Engineer, Backend

Fanalysis

Greater London
Hybrid
GBP 60,000 - 80,000
14 days ago

Quality Assurance Lead

Calco Services Limited

England
On-site
GBP 40,000 - 60,000
14 days ago

eCommerce Success Manager

Experis - ManpowerGroup

Greater London
Hybrid
GBP 60,000 - 80,000
14 days ago

Lead Test Engineer: Automation & Performance (TypeScript)

ComXps

Leeds
Hybrid
GBP 40,000 - 55,000
14 days ago

Engineering Manager

CBRE

Greater London
On-site
GBP 55,000 - 75,000
14 days ago

Management Consultant - London, UK

The Berkeley Partnership

Greater London
Hybrid
GBP 70,000 - 100,000
14 days ago

Social Media & Content Manager

Rat & Boa

Greater London
Hybrid
GBP 80,000 - 100,000
14 days ago

Senior Associate, Tax Technology and Transformation, London 1

Ernst & Young Advisory Services Sdn Bhd

Greater London
On-site
GBP 50,000 - 70,000
14 days ago

Cleaner

Manchester Arndale

Berwick-upon-Tweed
On-site
GBP 20,000 - 25,000
14 days ago

UI Designer - Online Shopping - Customer

Tesco UK

Greater London
Hybrid
GBP 40,000 - 60,000
14 days ago

Lead Software Engineer (eDV)

Aker Systems

United Kingdom
Hybrid
GBP 100,000 - 125,000
14 days ago

On Lead Backend Engineer – POS Platforms Integration

On

Greater London
On-site
GBP 60,000 - 80,000
14 days ago

Senior RF & High-Speed Validation Engineer - Automation

Bluestream People

England
On-site
GBP 50,000 - 70,000
14 days ago

Engineering Project Manager, UK field Engineering Team

Amazon

City of Edinburgh
On-site
GBP 60,000 - 80,000
14 days ago
Full-Stack / AI Developer
Madfish
Remote
GBP 50,000 - 70,000
Full time
15 days ago

Job summary

A tech-driven company in the United Kingdom seeks a skilled full-stack developer with 3+ years of experience in JavaScript/TypeScript. You will develop and maintain web applications and automation tools, leveraging AI technologies to enhance efficiency. Ideal candidates are experienced with OpenAI and have a strong grasp of Git and CI/CD processes. This role promotes creative autonomy within a supportive team culture. Join us to build impactful solutions while enjoying benefits like training and paid time off.

Benefits

21 Days Paid Holiday
Paid Sick Leave
Ongoing Education & Training
Access to Cutting-Edge Tools
Creative Freedom & Responsibility

Qualifications

  • 3+ years in full-stack development with JavaScript / TypeScript (Node.js, React, Next.js or similar).
  • Hands-on experience with OpenAI API, LangChain, or automation frameworks (e.g., Zapier, Make).
  • Proficient with Git, GitHub, and CI/CD pipelines.

Responsibilities

  • Develop, test, and maintain web applications and automation tools for clients.
  • Implement AI-driven features using OpenAI, LangChain, or similar frameworks.
  • Ensure platform stability, speed, and scalability across all environments.
  • Collaborate with Design (UI/UX), Performance Media, and Data teams.

Skills

JavaScript
TypeScript
OpenAI API
Node.js
React
Next.js
Version Control
GitHub
CI/CD pipelines

Tools

Firebase
Supabase
PostgreSQL
Vercel
AWS
GCP
Job description
Role Summary

You are an AI-native full-stack developer who loves building things that actually work — fast, reliable, and beautiful. You’ll lead the technical development of client platforms, automation tools, and MX² — our proprietary AI-powered marketing product. From back-end architecture to front-end implementation, you’ll translate creative and strategic concepts into performant, scalable code. You understand that clean, efficient development drives business results, and you thrive where technology, marketing, and creativity intersect. You combine deep technical ability with curiosity, speed, and a maker mindset — using AI-assisted coding tools to deliver 10× output while maintaining precision and structure.

Key Responsibilities
Product & Platform Development
  • Develop, test, and maintain web applications and automation tools for clients and MX².
  • Build secure, scalable APIs and integrations (OpenAI, Meta, Google, CRM systems, analytics APIs, etc.).
  • Implement AI-driven features using OpenAI, LangChain, or similar frameworks.
  • Maintain clean repositories and enforce version control and documentation standards.
  • Translate Figma or design concepts into responsive, high-performance front-end experiences (React, Next.js, Tailwind, Webflow custom code). Vue.js, Nuxt.js is crucial to know.
AI Integration & Automation
  • Use GPT-based workflows and automation tools to accelerate development and testing.
  • Collaborate with the MX² team to evolve our AI-driven marketing platform architecture.
  • Integrate third-party APIs, webhooks, and AI services for marketing automation, analytics, and reporting.
  • Explore new AI coding assistants, QA automation, and deployment pipelines to boost efficiency.
Performance & Reliability
  • Ensure platform stability, speed, and scalability across all environments.
  • Conduct regular code reviews and implement automated testing.
  • Collaborate with QA and Project Management to guarantee smooth client deliveries.
  • Proactively detect and resolve bugs before client impact.
Cross-Team Collaboration
  • Work closely with Design (UI/UX), Performance Media, and Data teams to bring digital products and dashboards to life.
  • Support campaign tracking implementation (GTM, GA4, Meta Pixel APIs).
  • Contribute to technical documentation, scoping, and sprint planning.
  • Provide guidance and mentoring for junior or freelance developers.
Qualifications & Skills
  • Experience: 3+ years in full-stack development with JavaScript / TypeScript (Node.js, React, Next.js or similar).
  • AI Tooling: Hands-on experience with OpenAI API, LangChain, or automation frameworks (e.g., Zapier, Make, Vercel Functions).
  • Database & Infra: Familiar with Firebase, Supabase, PostgreSQL, and cloud deployment (Vercel, AWS, or GCP).
  • Version Control: Proficient with Git, GitHub, and CI/CD pipelines.
  • AI-Native Mindset: Uses GPT-5, Copilot, or Cursor IDE to accelerate coding and problem-solving.
  • Creative & Analytical: Understands design systems and marketing context; writes clean code with clarity and structure.
  • Mindset: Ownership, precision, and curiosity — you build like a founder, not a freelancer.
Benefits & Perks
  • 21 Days Paid Holiday – Take time to recharge.
  • Paid Sick Leave – Health first, always.
  • Ongoing Education & Training – We’ll fund courses in AI development and automation that make you better.
  • Access to Cutting-Edge Tools – AI platforms, automation suites, and premium data tools to work smarter.
  • Creative Freedom & Responsibility – You have autonomy to build, experiment, and ship ideas fast.
Our Culture: High-Performance, Low-Drama
  • Team-Oriented Wins: We succeed together; we fix problems, not blame people.
  • Creative Agility: Ideas are tested, not theorized. Data leads, creativity amplifies.
  • Remote but Connected: Structured communication and strong processes keep our team tight across borders.
  • Constant Improvement: Feedback is how we grow — individually and as a company.

If you love building with AI, believe speed and quality can coexist, and want to code for impact rather than bureaucracy, you’ll fit right in at MX2.

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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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