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).
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Senior Python Engineer in London employer: Explore Group
As a Product Lead at this global marketplace brand, you will be part of a dynamic team that prioritises innovation and customer satisfaction. The company offers a hybrid work environment, competitive salary, and comprehensive benefits, fostering a culture of collaboration and professional growth. With a focus on agile methodologies, employees are encouraged to develop their skills and contribute to meaningful projects that connect merchants and investors seamlessly.
