Climate Tech Product Engineer — Backend/Full Stack (Python/TS/AWS) | London Hybrid

Owen Thomas | B Corp™; Greater London; Hybrid; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Equity

Bonus

Job summary

Owen Thomas | B Corp™ in London is seeking a Product Engineer (Backend, Full Stack) to shape real-time systems and energy trading platforms. This backend-first role focuses on Python with exposure to the full stack, delivering data-heavy APIs and trusted services in a highly ownership-driven environment.

You will join a small, highly capable team in a hybrid London setup (3 days on-site) with a salary of £80-120k plus equity and bonus.

Qualifications

• 2-6+ years of software engineering experience.
• Comfortable contributing across the full stack.
• Experience building data-heavy or highly numerical products.
• Product mindset with strong ownership.
• Comfortable operating in startup environments.
• Excellent problem-solving ability.
• Strong communication and collaboration skills.

Responsibilities

• Building and owning backend services in Python
• Developing scalable APIs and data-heavy systems
• Designing products that process large volumes of real-time information
• Working closely with Product to deliver features end-to-end
• Contributing across the stack where required (TypeScript)
• Building software that interacts with physical devices and operational systems
• Improving reliability, performance and engineering standards as the platform scales

Skills

Python

TypeScript

AWS

Real-time data processing

Distributed systems

Tools

CI/CD pipelines

Job description

Owen Thomas | B Corp™ in London is seeking a Product Engineer (Backend, Full Stack) to shape real-time systems and energy trading platforms. This backend-first role focuses on Python with exposure to the full stack, delivering data-heavy APIs and trusted services in a highly ownership-driven environment.

You will join a small, highly capable team in a hybrid London setup (3 days on-site) with a salary of £80-120k plus equity and bonus.