Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K
Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K

Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K

City of London Full-Time 60000 - 84000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and build full-stack features to enhance customer acquisition and engagement.
  • Company: Join a fast-growing start-up focused on sustainable luxury and tech for good.
  • Benefits: Enjoy private healthcare, 25 days holiday, and hybrid working in a vibrant studio.
  • Why this job: Be part of a creative team driving impactful growth through innovative engineering.
  • Qualifications: Strong TypeScript and React skills, with experience in full-stack applications and UX principles.
  • Other info: Collaborate with filmmakers and designers in a dynamic, mission-driven environment.

The predicted salary is between 60000 - 84000 £ per year.

Company I’m currently working with one of the UK’s fastest-growing start-ups on a mission to transform the future of sustainable luxury. They’re looking for a Full Stack Growth Engineer to become a key player in their highly creative, data-driven Growth team. This is a unique opportunity to work at the intersection of storytelling, design, and cutting-edge engineering. You’ll collaborate closely with in-house filmmakers, designers, and a technical growth team (yes, everyone here codes) to build tools, features, and experiments that drive growth, engagement, and retention.

Your role:

  • Design and build full-stack features that optimize customer acquisition and conversion.
  • Use your TypeScript and React expertise to craft compelling, high-performing user experiences.
  • Write and interpret complex SQL queries to support growth experiments and performance analysis.
  • Collaborate with product, design, marketing, and engineering to identify and execute on high-impact growth opportunities.
  • Apply UX and CRO best practices to streamline user journeys and boost engagement.
  • Contribute to a service-oriented architecture with scalable, maintainable code.
  • Lead with a test-and-learn mindset—experimenting, iterating, and scaling what works.

Tech Stack

  • React.js
  • Next.js
  • TypeScript
  • PostgresSQL

Type of engineer:

  • Strong programming skills (ideally in TypeScript) and hands-on experience with React.
  • Solid grasp of relational databases (PostgreSQL preferred) and confident SQL abilities.
  • Deep understanding of UX principles and their effect on growth metrics.
  • Proven experience building full-stack applications in a fast-paced environment.
  • Analytical mindset with a passion for using data to drive decisions.
  • A degree from a top-tier university.
  • Enthusiasm for working in a mission-driven start-up—and making a meaningful impact.

Remuneration & Benefits

  • £75,000 - £95,000
  • Private healthcare as standard.
  • 25 days holiday + bank holidays, increasing annually.
  • Hybrid working – three days in our London studio.
  • Team lunches at Hackney favourites and regular socials.
  • Studio perks – a light-filled workspace with top-tier gear, breakout spaces, and creative buzz.

If you want to hear more about the position please apply ASAP with a CV and we will give you a call if we think you are a match!

Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K employer: Owen Thomas | Pending B CorpTM

Join one of the UK’s fastest-growing start-ups dedicated to transforming sustainable luxury, where your role as a Senior Full Stack Engineer will place you at the heart of a creative and data-driven Growth team. Enjoy a vibrant work culture with hybrid flexibility, competitive salary, and generous benefits including private healthcare and increasing holiday allowance, all while collaborating with passionate professionals in a light-filled studio environment that fosters innovation and meaningful impact.
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Contact Detail:

Owen Thomas | Pending B CorpTM Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K

Tip Number 1

Familiarise yourself with the company's mission and values. Since this role is in a 'Tech For Good' start-up, showing genuine enthusiasm for sustainable luxury and how technology can drive positive change will set you apart.

Tip Number 2

Brush up on your TypeScript and React skills by working on personal projects or contributing to open-source. Being able to demonstrate your coding abilities through real-world applications can make a strong impression during discussions.

Tip Number 3

Prepare to discuss your experience with data-driven decision-making. Be ready to share specific examples of how you've used analytics to inform your engineering decisions, especially in relation to user engagement and growth metrics.

Tip Number 4

Network with current employees or alumni from your university who work in similar roles. They can provide insights into the company culture and expectations, which can help you tailor your approach during interviews.

We think you need these skills to ace Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K

Proficiency in TypeScript
Expertise in React.js and Next.js
Strong SQL skills, particularly with PostgreSQL
Experience in building full-stack applications
Understanding of UX principles and conversion rate optimisation (CRO)
Analytical mindset with data-driven decision-making abilities
Ability to collaborate effectively with cross-functional teams
Experience in a fast-paced start-up environment
Strong problem-solving skills
Familiarity with service-oriented architecture
Test-and-learn mindset for experimentation and iteration
Passion for sustainable luxury and mission-driven work

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with React.js, Next.js, TypeScript, and PostgreSQL. Emphasise any projects where you've designed full-stack features or optimised customer acquisition.

Craft a Compelling Cover Letter: In your cover letter, express your passion for sustainable luxury and how your skills align with the company's mission. Mention specific examples of how you've used data to drive growth in previous roles.

Showcase Your Technical Skills: Include a section in your application that details your programming skills, particularly in TypeScript and SQL. If you have any relevant projects or GitHub repositories, mention them to demonstrate your hands-on experience.

Highlight Collaborative Experience: Since the role involves working closely with various teams, be sure to include examples of past collaborations with product, design, or marketing teams. This will show your ability to work in a cross-functional environment.

How to prepare for a job interview at Owen Thomas | Pending B CorpTM

Showcase Your Technical Skills

Be prepared to discuss your experience with React.js, Next.js, TypeScript, and PostgreSQL. Bring examples of projects you've worked on that highlight your full-stack capabilities and how you've used these technologies to drive growth.

Demonstrate Your Analytical Mindset

Since the role involves using data to inform decisions, be ready to talk about how you've used analytics in past projects. Discuss specific metrics you tracked and how they influenced your development process or user experience improvements.

Emphasise Collaboration

This position requires working closely with various teams. Share examples of how you've successfully collaborated with designers, marketers, or product teams in the past. Highlight your ability to communicate technical concepts to non-technical stakeholders.

Express Your Passion for the Mission

The company is focused on sustainable luxury and making a meaningful impact. Be sure to convey your enthusiasm for their mission and how your values align with theirs. This will show that you're not just looking for a job, but are genuinely interested in contributing to their goals.

Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K
Owen Thomas | Pending B CorpTM
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  • Senior Full Stack Engineer (GROWTH) | Tech For Good (E-Commerce Start-Up) | React.js / Next.js/ TypeScript / PostgresSQL | LDN 3 Days Per Week | £75K - £95K

    City of London
    Full-Time
    60000 - 84000 £ / year (est.)

    Application deadline: 2027-07-10

  • O

    Owen Thomas | Pending B CorpTM

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