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Senior Full Stack Engineer (Backend Learning) | Contract Role | JavaScript/Typescript | B2C, Scale-up | Hybrid London | £500pd, Outside IR35 | 6 month Contract, likely extension

Senior Full Stack Engineer (Backend Learning) | Contract Role | JavaScript/Typescript | B2C, Scale-up | Hybrid London | £500pd, Outside IR35 | 6 month Contract, likely extension

Remote

United kingdom

Senior

Freelance

03-02-2026

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Skills

JavaScript TypeScript PostgreSQL AWS JavaScript/TypeScript Express

Job Specifications

Senior Full Stack Engineer (Backend Learning) | Contract Role | JavaScript/Typescript | B2C, Scale-up | Hybrid London | £500pd, Outside IR35 | 6 month Contract, likely extension

We are working with a extremely fast growing and well recognised start-up who are looking for 2 Backend Leaning Full Stack Engineers with very strong typescript experience to work towards building out a new product with a rapidly scaling userbase.

Urgently hiring for x2 Full stack engineers, experienced required:

6+ years experience working with JavaScript/TypeScript for fast growth product companies.
Backend: Typescript, Node, Express, PostgreSQL
Experience working with front-end
Infrastructure: AWS
ClickHouse desirable, but not required.

Must have's are:

Confidence with performing in Leetcode style interviews (Data Structures and Algorithms)
A degree in Computer Science or Software Engineering related

Senior Full Stack Engineer (Backend Learning) | Contract Role | JavaScript/Typescript | B2C, Scale-up | Hybrid London | £500pd, Outside IR35 | 6 month Contract, likely extension

*If interested, please apply here and we will reach out to you if it's a good fit for the client.*

About the Company

Hey, we are Owen Thomas. We are a relationship first recruitment partner for Data, Product & Engineering, across Contract and Permanent roles in the UK & Europe. Humanness matters. We believe that empathy is the core of great recruitment; bringing opportunity and businesses to life, beyond what a person can see on a website. All done with our OT personal touch. Our mission: To be leaders within our specialisms and create unrivalled opportunities both internally and externally. We balance purpose and profit. Actively in... Know more