Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity

Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity in City of London

City of London Full-Time 50000 - 120000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Join a mission-driven team to develop innovative tools for reducing carbon emissions.
  • Company: Exciting green tech start-up focused on sustainable energy solutions.
  • Benefits: Competitive salary, equity options, 33 days holiday, and hybrid working.
  • Why this job: Make a real impact on climate change while working with cutting-edge technology.
  • Qualifications: 2+ years experience in software development, especially with React and TypeScript.
  • Other info: Collaborative environment with opportunities for personal and professional growth.

The predicted salary is between 50000 - 120000 £ per year.

Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK by building a razor-sharp platform for heat pumps to be installed in homes across the country. You'll join a lean, talented team of engineers and work directly on tools that accelerate the energy transition — like:

  • Automated design tools for heat pump systems
  • A survey app for collecting property data on-site
  • 2D/3D floorplan creators (maybe even with LiDAR and CV!)
  • Country-wide data tools through large-scale scraping + mapping
  • Hardware integrations (e.g. bluetooth laser measures, sensors)
  • Offline-first/PWA apps for installers on the move

Tech Stack:

  • React, TypeScript, Konva, Tailwind
  • Node.js, PostGREST, Prisma
  • PostgreSQL / PostGIS, Docker, Atlas
  • (Sunsetting Python + FastAPI)

Requirements:

  • 2+ years commercial experience
  • STEM Background
  • React + TypeScript (you’re confident building fast, dynamic UIs)
  • SQL and relational database design
  • RESTful APIs and distributed systems
  • Scalable and secure architectures
  • Owning features end-to-end, from shaping the product idea to shipping the code.

Type of engineer:

  • You’re product-minded — you care about the user and the why behind every line of code.
  • You’re impact-driven — you want to move fast and make a real dent in the climate crisis.
  • You’re collaborative — you're excited to work closely with a tight-knit, in-person team.
  • You’re into sustainable tech, heat pumps, or building a greener future.

Remuneration & Benefits:

  • £50,000 - £120,000 + meaningful equity
  • 33 days holiday + work abroad up to 30 days/year
  • Hybrid working between London & Bristol studios
  • Work closely with a brilliant, mission-led team

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

Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity in City of London employer: Owen Thomas | Pending B Corp™

Join a pioneering Green Tech start-up that is not only committed to reducing carbon emissions but also fosters a vibrant and collaborative work culture. With a focus on employee growth, you will have the opportunity to work on innovative projects that make a tangible impact on the environment while enjoying generous benefits such as 33 days of holiday and the flexibility of hybrid working between London and Bristol. This is a unique chance to be part of a mission-driven team that values your contributions and supports your professional development.
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Contact Detail:

Owen Thomas | Pending B Corp™ Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity in City of London

Tip Number 1

Network like a pro! Reach out to folks in the green tech scene on LinkedIn or at local meetups. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those related to sustainable tech or energy solutions. We want to see how you’ve made an impact and what you can bring to the table.

Tip Number 3

Prepare for interviews by brushing up on your technical skills and understanding the company’s mission. We’re looking for engineers who are not just coders but also passionate about making a difference in the climate crisis.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. We’re excited to find someone who shares our vision for a greener future!

We think you need these skills to ace Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity in City of London

React
TypeScript
SQL
Relational Database Design
RESTful APIs
Distributed Systems
Scalable Architectures
Secure Architectures
End-to-End Feature Ownership
Product Mindset
Impact-Driven Approach
Collaboration Skills
Sustainable Technology Knowledge
Heat Pump Systems Understanding

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the role. Highlight your experience with React, TypeScript, and any projects related to sustainable tech or energy solutions.

Show Your Passion: In your cover letter, let us know why you’re excited about working in green tech. Share any personal projects or experiences that demonstrate your commitment to reducing carbon emissions and building a greener future.

Be Clear and Concise: When writing your application, keep it straightforward. Use bullet points for key achievements and avoid jargon unless it’s relevant to the role. We want to see your impact clearly!

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity in our mission-driven team.

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

Know Your Tech Stack

Make sure you’re well-versed in the tech stack mentioned in the job description. Brush up on React, TypeScript, and Node.js, and be ready to discuss how you've used these technologies in past projects. This will show your potential employer that you’re not just familiar with the tools, but you can also leverage them effectively.

Show Your Passion for Green Tech

Since this role is all about making a real impact on the climate crisis, come prepared to discuss why green technology matters to you. Share any personal projects or experiences related to sustainable tech, heat pumps, or energy efficiency. This will demonstrate your alignment with the company’s mission and values.

Prepare for Problem-Solving Questions

Expect to face questions that assess your problem-solving skills, especially around building scalable and secure architectures. Think of specific examples where you’ve owned features end-to-end and be ready to explain your thought process. This will highlight your product-minded approach and ability to deliver impactful solutions.

Emphasise Collaboration Skills

This start-up values teamwork, so be ready to discuss how you’ve collaborated with others in previous roles. Share examples of how you’ve worked closely with engineers or cross-functional teams to achieve a common goal. This will showcase your ability to fit into their tight-knit team environment.

Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity in City of London
Owen Thomas | Pending B Corp™
Location: City of London
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