Senior Fullstack Engineer — Opportunihub
Job

Senior Fullstack Engineer

Hook · London

At a glance

Type
Job
Organisation
Hook
Location
London
Work mode
On-site
Deadline
Rolling / not stated
Posted
6 Aug 2026

About this job

<h2>About Hook</h2><p style="min-height:1.5em">We’re building the future of customer growth. At Hook, we use AI and Machine Learning to help businesses predict revenue with accuracy, drive customer loyalty, and capture massive value from their existing customers. </p><p style="min-height:1.5em">We’re a Series A company who ranked 33 out of 100 on the <a target="_blank" rel="noopener noreferrer nofollow" href="https://sifted.eu/leaderboards/sifted-100-uk-ireland-2025"><u>Sifted</u></a> fastest growing startups and we have raised $multi-million in funding from some of the top investors in Europe and the US (e.g. Balderton Capital and Lightspeed) and have an enviable list of customers that we’re working with including some of the fastest growing companies in the world. We’re looking for ambitious people that want to be part of our meaningful vision of changing how businesses engage with their customers, and of building one of the world’s leading workplaces for great people along the way.</p><h3><strong>Responsibilities:</strong></h3><p style="min-height:1.5em">You will wear many hats in your engineering duties. Your day-to-day will include:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Working in a team with technical and non-technical colleagues to design and build product features that add value to our customers</p></li><li><p style="min-height:1.5em">Working across the stack (back-end focus) and writing clean, well-tested code</p></li><li><p style="min-height:1.5em">Own significant parts of our product architecture and propose and lead new improvements</p></li><li><p style="min-height:1.5em">Reviewing other software engineers code and provide structured feedback</p></li><li><p style="min-height:1.5em">Designing our engineering processes and patterns to be the best for our team</p></li><li><p style="min-height:1.5em">Monitoring system performance and ensure everything is up and running</p></li><li><p style="min-height:1.5em">Designing our data schemas to suit the needs across the business</p></li></ul><p style="min-height:1.5em">There’s a lot going on - you’ll be building a brand new category of SaaS product! The more you want to be involved, the more you will find there is to do and the more impact you will have on our joint success.</p><p style="min-height:1.5em"><strong>Requirements:</strong></p><p style="min-height:1.5em">We're looking for an ambitious self-starter who wants to be part of an early-stage company full of amazing talent and with a global vision.</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience working on both frontend and backend development. We use React on the frontend side and Python on the back end</p></li><li><p style="min-height:1.5em">Experience working in taking products through different development environments into Production</p></li><li><p style="min-height:1.5em">Excellent communication skills, with the ability to effectively collaborate and convey ideas to diverse stakeholders</p></li><li><p style="min-height:1.5em">The ability to pick up and use third party APIs and tools</p></li><li><p style="min-height:1.5em">Experience working with Python on the backend with frameworks, such as Django, Flask or FastAPI</p></li><li><p style="min-height:1.5em">Desirable: A good understanding of cloud technologies</p></li></ul><p style="min-height:1.5em"><strong>Salary - £75,000-£95,000 (depending on experience)</strong></p><h2>Benefits</h2><p style="min-height:1.5em">🏖️ 27 days holiday (option to buy and sell holiday) + bank holidays</p><p style="min-height:1.5em">📈 Generous stock options</p><p style="min-height:1.5em">🏥 Private health insurance so you can get the best care you need</p><p style="min-height:1.5em">🧘 Flexible monthly wellness allowance that you can use monthly on things like gyms, yoga, mental health &amp; healthy food</p><p style="min-height:1.5em">📚 Annual learning &amp; development budget for every employee</p><p style="min-height:1.5em">🏢 Flexible working - we’ll all come together three days a week but otherwise you can work from home or come into our awesome office in Liverpool Street</p><p style="min-height:1.5em">💻 The best equipment for everyone to work with</p><p style="min-height:1.5em">Our founder and team are incredibly passionate about creating a company culture that is diverse, inclusive, productive and enjoyable for all our colleagues. As part of a growing start-up team, we expect a lot from you and will work hard to make sure you have everything you need to be at your best.</p><p style="min-height:1.5em"></p><p>Find more <a href="https://www.arbeitnow.co.uk/english-speaking-jobs">English Speaking Jobs in United Kingdom</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Hook’s official page.
  4. 4 Submit as early as possible — many close once filled.
Apply on official site

Sourced from arbeitnow. Always verify details on the official website. Opportunihub never charges you to apply.

Frequently asked questions

How do I apply for Senior Fullstack Engineer?

Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Hook’s official page.

Is this opportunity remote or location-based?

This opportunity is based in London. Check the official listing for any relocation or on-site requirements.

Is Senior Fullstack Engineer free to apply for?

Opportunihub lists this Job for free. Legitimate Jobs do not ask for payment to apply — never pay a fee to submit an application.