Senior Python Engineer

Explore Group — United Kingdom · Posted ~3 hours ago

Senior Full-time Hybrid £120K + Benefits

Skills

Python distributed systems backend development cloud platforms

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Summary ✨ AI‑Generated

A senior backend engineering position building secure, high-performance distributed systems for a rapidly growing financial technology environment.

Highlights

High-impact engineering role with strong compensation, ownership of architecture, and opportunities to mentor other engineers.

Description

Senior Python Engineer – £120k + Benefits – Hybrid – FinTech / Distributed Systems Explore Group has partnered with a high-growth UK FinTech scaling a proprietary, cloud-native financial platform. Backed by solid commercial growth and strong market adoption, they are modernising core transaction and workflow infrastructure—building high-throughput, automated, and secure distributed backend systems designed to handle complex, real-time data flows. To support the next phase of their technical evolution, they are seeking a Senior Python Engineer to step into a high-impact technical role, helping drive backend reliability and mentoring engineers as the platform scales. The Role: Take ownership of key architectural components, delivering resilient backend services that meet strict performance, security, and low-latency standards.Act as a technical mentor across the engineering team, championing clean architecture, rigorous testing, and robust engineering standards.Collaborate closely with cross-functional product, operational, and commercial teams to translate complex domain requirements into elegant, scalable services.Identify performance bottlenecks, optimise system throughput, and troubleshoot distributed production challenges. Key Requirements: 6+ years of commercial software engineering experience, with 4+ years dedicated to Python in production environments. FastAPI exp strongly desired.Proven track record architecting and scaling resilient backend systems within FinTech, banking, or similarly regulated, data-intensive domains.Strong mentoring and technical leadership capabilities, with deep experience elevating code quality via rigorous peer reviews and automated CI/CD pipelines.GCP experience in a commercial capacity is advantageous, but other clouds are welcome.Degree in Computer Science, Engineering, or a relevant quantitative discipline (or equivalent practical experience). If you would like to be considered for this position, please apply directly or get in touch at lewis.dorling@exploreltd.com.