Backend Product Engineer

Job Description

Backend Product Engineer on www.freelancermap.com Find projects Find freelancers Solutions Insights Log in Sign up Change availability Save Backend Product Engineer SR2 - Socially Responsible Recruitment Contact person : Generic Network London , United Kingdom On-site Freelance Duration 6 months Apply now Save to watchlist Print Report Report project After submitting, you will receive a confirmation email. We will review your information and take action if necessary. Reason for reporting this project: * The project is outdated The project description is unprofessional / This is not a valid project Incorrect contract type The hourly rate is unrealistic Report project Report project Energy Industry Backend Backend Programming Description £500-550p/d | Outside IR35 | 3-6 months | Remote We're supporting an ambitious, high-growth UK technology business building software to solve complex data-intensive problems within the energy and trading sector. They are looking for an experienced Backend-Leaning Product Engineer to help build the next generation of their core commercial platform. This is an opportunity to join a small, high-calibre engineering team where you'll have genuine ownership over business-critical systems, taking complex financial and commercial requirements from first principles through to production-grade implementation. Key Responsibilities Designing, building and owning scalable Back End services in Python Developing billing workflows, pricing logic and energy settlement engines Working alongside Product and Engineering teams to model complex, real-world commercial rules Building APIs and pipelines that process high-volume transactional data accurately and at scale Improving platform reliability, system architecture and engineering standards as the product evolves Contributing across the full stack where appropriate (TypeScript) Fostering a pragmatic, outcome-focused engineering culture within the team Essential 5+ years of commercial software engineering experience Strong production-grade Python skills Proven experience building billing, pricing, settlement, or high-volume transactional platforms Background in Energy, Utilities, Commodity Trading, or Financial Trading sectors Experience deploying and scaling Back End systems on AWS with PostgreSQL and modern API architectures Comfortable taking full ownership across the product life cycle in startup or scale-up environments The details £500-£550p/d Outside IR35 Initial 3-6 months Remote Application form For freelancers Find projects Benefits for freelancers Prices and features Professional liability insurance For companies Find freelancers Benefits for companies Prices and features Help and support FAQ Contact Blog Freelancer study Company directory About freelancermap About us Testimonials © 2005 ‐ 2026 freelancermap GmbH, Nürnberg Data privacy Legal information Term and Conditions