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2,342

Javascript jobs in United Kingdom

Full Stack Engineer at fast-growing AI tech startup

Jack & Jill/External ATS

Greater London
Remote
GBP 50,000 - 70,000
30+ days ago
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ServiceNow Architect, Telco Consulting

Cognizant

Greater London
On-site
GBP 80,000 - 120,000
30+ days ago

Software Engineer: Backend & API for Scalable Systems

TechChain Talent

Greater London
On-site
GBP 40,000 - 60,000
30+ days ago

Software Engineer

Ankar AI

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

Software Engineer at AI-driven industrial compliance startup

Jack & Jill/External ATS

Greater London
On-site
GBP 50,000 - 70,000
30+ days ago
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Web Developer - Water Sector

Stantec

East Midlands
On-site
GBP 35,000 - 50,000
30+ days ago

Software Engineer

PowerToFly

Greater London
On-site
GBP 40,000 - 60,000
30+ days ago

Java Full-Stack Team Lead

Luxoft

United Kingdom
Remote
GBP 65,000 - 85,000
30+ days ago
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C#.Net Developer

Core-Asset Consulting Ltd

Newcastle upon Tyne
On-site
GBP 40,000 - 60,000
30+ days ago

Silicon Verification Engineer

Cerebras

Cambridge
On-site
GBP 60,000 - 80,000
30+ days ago

Lead Front-End Architect - Design Systems & AI Tools

JPMorgan Chase & Co.

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Lead Software Engineer - Front End - Asset Management

JPMorgan Chase & Co.

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Senior.NET Developer

PureNet

York and North Yorkshire
On-site
GBP 50,000 - 70,000
30+ days ago

Software Developer | Broadcast | Media Workflows | News

Dalet

Greater London
On-site
GBP 40,000 - 70,000
30+ days ago

Broadcast Media Software Developer: Streamlining Workflows

Dalet

Greater London
On-site
GBP 40,000 - 70,000
30+ days ago

Salesforce Developer

Triad Group Plc

Greater London
On-site
GBP 55,000 - 65,000
30+ days ago

Developer

DG Partners

Greater London
On-site
GBP 40,000 - 55,000
30+ days ago

Lead Front-End Engineer, Design Systems & AI Tools

J.P. Morgan

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Lead Software Engineer - Front End - Asset Management

J.P. MORGAN

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Full-Stack Engineer — Real-Time Sports Tech

Catapult Sports

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

Frontend Engineer II — React/TypeScript, Equity & PTO

DailyPay

Belfast
On-site
GBP 40,000 - 60,000
30+ days ago

Senior Technical Support Engineer

Zip

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

Senior Software Engineer, D2C

Sony Music

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Software Development Manager

Arch Insurance

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Technology Graduate Analyst

Capula

Greater London
On-site
GBP 30,000 - 40,000
30+ days ago

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Full Stack Engineer
Jack & Jill/External ATS
Remote
GBP 50,000 - 70,000
Full time
30+ days ago

Job summary

An innovative AI tech startup is seeking a Full Stack Engineer to architect and scale modern web applications. In this role, you will collaborate with a talented team to develop responsive front-end components and build secure server-side logic using Node.js. The ideal candidate will have proven experience with the MERN stack and strong JavaScript/TypeScript skills. This is a unique opportunity to join a pioneering company backed by top-tier VCs and contribute to its technical direction while working remotely.

Benefits

Work at the forefront of AI
Collaborative environment
Influence on product roadmap

Qualifications

  • Proven experience in full-stack development using the MERN stack.
  • Ability to develop responsive front-end components.
  • Experience in building scalable server-side logic and RESTful APIs.

Responsibilities

  • Architect and scale modern web applications.
  • Collaborate closely with a team to deliver high-performance features.
  • Optimize database performance.

Skills

Building production-grade applications
Modern JavaScript/TypeScript proficiency
Next.js frameworks expertise
Clean, maintainable code

Tools

Next.js
React
Node.js
Express
MongoDB
Job description
Full Stack Engineer

Fast-growing AI tech startup

Job Description

As a Full Stack Engineer at this innovative AI startup, you will play a pivotal role in architecting and scaling modern web applications. You will collaborate closely with a talented team to deliver high-performance features, bridging the gap between elegant user interfaces and robust backend logic using the latest development frameworks.

Location

Remote

Why this role is remarkable
  • Work at the forefront of the AI revolution within a highly collaborative and technical environment.

  • Join a well-funded venture backed by top-tier VCs with significant runway and market traction.

  • Influence the technical direction and product roadmap of a rapidly evolving platform from day one.

What you will do
  • Develop and maintain responsive front‑end components using Next.js and React.

  • Build scalable and secure server‑side logic and RESTful APIs using Node.js and Express.

  • Optimize database performance and manage data persistence within a MongoDB environment.

The ideal candidate
  • Proven professional experience building production‑grade applications with the MERN stack.

  • Strong proficiency in modern JavaScript/TypeScript and deep expertise in Next.js frameworks.

  • Ability to write clean, maintainable code and thrive in a fast‑paced, remote‑first startup culture.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps
  1. Step 1. Visit our website.
  2. Step 2. Click Talk to Jack.
  3. Step 3. Talk to Jack so he can understand your experience and ambitions.
  4. Step 4. Jack will make sure Jill the AI agent working for the company considers you for this role.
  5. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
  6. Step 6. If not, Jack will find you excellent alternatives. All for free.
We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

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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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