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 75000 - 95000 £ / 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 innovative tech solutions.
  • Benefits: Enjoy hybrid working, private healthcare, 25 days holiday, and fun team socials.
  • Why this job: Be part of a creative team driving growth through cutting-edge engineering and impactful projects.
  • Qualifications: Strong programming skills in TypeScript and React, with experience in full-stack applications.
  • Other info: Work in a vibrant London studio with top-tier gear and a collaborative atmosphere.

The predicted salary is between 75000 - 95000 £ 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 this opportunity, 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 Corp™

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 working arrangements, generous holiday allowances, and opportunities for personal and professional growth, all while collaborating with passionate individuals who share a commitment to making a meaningful impact in the e-commerce space.
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Contact Detail:

Owen Thomas | Pending B Corp™ 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, demonstrating your passion for sustainability and how it aligns with their goals can set you apart during interviews.

Tip Number 2

Showcase your collaborative skills. This position involves working closely with various teams, so be prepared to discuss past experiences where you've successfully collaborated on projects, especially in fast-paced environments.

Tip Number 3

Brush up on your SQL skills. Since the role requires writing and interpreting complex SQL queries, being able to demonstrate your proficiency in this area during technical discussions will be crucial.

Tip Number 4

Prepare examples of your work that highlight your full-stack development experience. Be ready to discuss specific projects where you've used React, Next.js, and TypeScript to drive growth or improve user engagement.

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 their impact on growth metrics
Analytical mindset for data-driven decision making
Ability to collaborate effectively with cross-functional teams
Experience with A/B testing and growth experiments
Knowledge of conversion rate optimisation (CRO) best practices
Familiarity with service-oriented architecture
Strong problem-solving skills
Adaptability in a fast-paced start-up environment
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 optimised customer acquisition or conversion, as this aligns with the role's responsibilities.

Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for working in a mission-driven start-up. Mention specific examples of how your skills in UX principles and data-driven decision-making have led to successful outcomes in previous roles.

Showcase Your Projects: If you have a portfolio or GitHub repository, include links to projects that demonstrate your full-stack capabilities and your ability to work in a fast-paced environment. Highlight any collaborative projects that involved cross-functional teams.

Highlight Your Analytical Mindset: In your application, discuss how you've used data to drive decisions in past roles. Provide examples of how your analytical skills have contributed to growth metrics, showcasing your fit for the growth-focused aspect of the position.

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

Showcase Your Technical Skills

Be prepared to discuss your experience with React.js, Next.js, TypeScript, and PostgreSQL in detail. 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 Skills

This position requires working closely with various teams. Prepare to share examples of how you've successfully collaborated with designers, marketers, or product teams in the past, and how those experiences can translate to this role.

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. Share any relevant experiences that demonstrate your commitment to tech for good.

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 Corp™
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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
    75000 - 95000 £ / year (est.)

    Application deadline: 2027-07-10

  • O

    Owen Thomas | Pending B Corp™

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