Skip to content

Nobody tells you why you were rejected. We will. Free, in 30 seconds.

Score my CV against live jobs

Senior Fullstack Engineer

Hook · London

On-siteSeniorGBP 75k–95k / yrPosted 6 Aug 2026

What this role requires

5 requirements, read out of the advert rather than guessed from the job title:

Also mentioned, not required: English (B2). Worth having, but their absence is not what gets a CV filtered out.

See how often each of these is required across open full-stack roles in Europe.

Check my CV against these 5 requirements

Free, no card. Tells you which of them your CV evidences and which it only implies.

Job description

About Hook

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.

We’re a Series A company who ranked 33 out of 100 on the Sifted 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.

Responsibilities:

You will wear many hats in your engineering duties. Your day-to-day will include:

Working in a team with technical and non-technical colleagues to design and build product features that add value to our customers

Read the full description (26 more sections)

Working across the stack (back-end focus) and writing clean, well-tested code

Own significant parts of our product architecture and propose and lead new improvements

Reviewing other software engineers code and provide structured feedback

Designing our engineering processes and patterns to be the best for our team

Monitoring system performance and ensure everything is up and running

Designing our data schemas to suit the needs across the business

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.

Requirements:

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.

Experience working on both frontend and backend development. We use React on the frontend side and Python on the back end

Experience working in taking products through different development environments into Production

Excellent communication skills, with the ability to effectively collaborate and convey ideas to diverse stakeholders

The ability to pick up and use third party APIs and tools

Experience working with Python on the backend with frameworks, such as Django, Flask or FastAPI

Desirable: A good understanding of cloud technologies

Salary - £75,000-£95,000 (depending on experience)

Benefits

🏖️ 27 days holiday (option to buy and sell holiday) + bank holidays

📈 Generous stock options

🏥 Private health insurance so you can get the best care you need

🧘 Flexible monthly wellness allowance that you can use monthly on things like gyms, yoga, mental health & healthy food

📚 Annual learning & development budget for every employee

🏢 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

💻 The best equipment for everyone to work with

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.

Find more English Speaking Jobs in United Kingdom on Arbeitnow

You will apply. Then you will hear nothing.

And no one will tell you what was wrong. See it before you send: your ATS score, every weak line, and the fix for each.

  1. 1

    Drop in your CV

    One PDF, thirty seconds. No card.

  2. 2

    See what is wrong with it

    Every weak passage, quoted from your own CV, with the line to replace it.

  3. 3

    Apply where you fit

    Every European role ranked against what your CV actually says.

  • Free, no card
  • Your CV file is deleted after parsing
  • Or skip the upload — build your profile by hand
  • Refreshed every 6 hours