Back End Developer

Backend Software Engineer

Location: London (5 days per week, on-site)

Seniority: Mid-level (3–8 years’ experience)

About the Role

We’re looking for a talented Backend Software Engineer to join our London-based platform team. You’ll play a pivotal role in designing, building, and maintaining robust backend systems, with a strong focus on infrastructure and database design. This is a hands-on role where you’ll work closely with engineers to deliver high-quality, scalable solutions that drive our platform forward.

What You’ll Do

• Collaborate with the London-based platform team on new features and infrastructure improvements.
• Take ownership of backend systems, ensuring reliability, scalability, and security.
• Contribute to backend engineering tasks, working primarily with Python and SQL.
• Design and optimize infrastructure and databases for performance and resilience.
• Leverage your experience with TypeScript and optionally lower-level languages such as C or Rust.
• Bring curiosity and a passion for learning to continuously improve both yourself and the platform.

Tech Stack

• Primary: Python, SQL, TypeScript
• Additional: C, Rust

What We’re Looking For

• 3–8 years of backend software engineering experience.
• Deep knowledge of Python, SQL, and TypeScript.
• Strong background in infrastructure and database design.
• Proven experience working in startups or fast-paced environments.
• Bonus points for:
• Experience with lower-level languages (C, Rust)
• Demonstrated expertise in another field (showing passion and drive, even outside engineering).

Soft Skills

• Excellent communication skills, with the ability to clearly explain technical issues and reasoning.
• A growth mindset with a genuine passion for continuous learning.

Traits to Avoid

• This is not a Data/ML engineering role — we’re looking for backend engineers with strong infrastructure and systems experience.