Senior Software Engineer - TS, React, Next.js, Node

JR United Kingdom; Watford; On-site; GBP 90,000 - 110,000; Full time

Job summary

A fast-growing start-up in Watford is seeking a Senior Software Engineer to join their dynamic team. This role offers the chance to work with cutting-edge technologies including TypeScript, React, and AI models. The ideal candidate will have a strong track record in building scalable web applications and enjoying a fast-paced environment.

Qualifications

• Commercial experience with TypeScript, React, Next.js and Node.js.
• Strong expertise in designing and maintaining scalable web applications.
• Hands-on experience integrating with AI models like ChatGPT.

Responsibilities

• Building software across the stack using TypeScript, React, Next.js, and Node.js.
• Working on B2B software and custom AI solutions.

Skills

TypeScript

React

Next.js

Node.js

AI integration

Job description

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Senior Software Engineer - TS, React, Next.js, Node, watford, hertfordshire

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Client:

Oliver Bernard

Location:

watford, hertfordshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

26.06.2025

Expiry Date:

10.08.2025

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Job Description:

Senior Software Engineer - TS, React, Next.js, Node

Up to £110k

Would you like the opportunity to work for a fast-growing start-up, currently looking for several Senior Fullstack TypeScript Engineers? You will be joining a dynamic product team, where you will be building great software and diving into the world of AI.

The company is committed to providing a seamless experience for both customers and internal teams. You will work within a unified codebase that drives their B2B software and custom AI.

As a Senior Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js, and LLMs.

Core requirements:

• Commercial experience with their stack TypeScript, React, Next.js and Node.js
• Strong expertise in designing and maintaining scalable, high-performance web applications
• Hands-on experience integrating with AI models like ChatGPT
• A good understanding of databases
• Experience working on B2B software platforms with multiple users would be a bonus.

If you’re a Senior Software Engineer (TypeScript) who enjoys the idea of working in a fast-paced start-up, please apply.