Lead Software Engineer Python API - Fintech

HSBC Group; Deutschland; Hybrid; EUR 84.000 - 140.000; Vollzeit

Zusammenfassung

HSBC Group is seeking a Lead Software Engineer to drive backend Python API development and lead a small tech team in a fintech setting. The role involves shipping features, refactoring, and guiding architectural decisions for the core banking platform.

You will mentor developers, practice robust SDLC, and work in a hybrid London office with flexibility to work from home; strong cloud experience (GCP) is valued alongside AWS/Azure capabilities.

Qualifikationen

• You're an experienced Python backend engineer with SDLC experience and leadership.
• You have team mentoring, 1-2-1s, and performance-review capabilities.
• You have strong knowledge of cloud services (GCP preferred; AWS/Azure acceptable).
• Experience building APIs, ideally with FastAPI.
• Solid CI/CD, testing and deployment practices.
• Strong CS fundamentals: OOP, data structures, design patterns, algorithms.
• Collaborative, pragmatic, with excellent communication.
• STEM degree with a 2:1 or higher is required.

Aufgaben

• Head a small tech team delivering new features and enhancements.
• Lead refactoring efforts to improve the platform's maintainability.
• Develop and integrate APIs with the core banking platform.
• Set engineering standards and mentor junior developers.

Kenntnisse

Python

Leadership

FastAPI

Cloud platforms

API development

CI/CD

OOP & Design Patterns

Communication

Ausbildung

STEM degree (2:1 or above)

Tools

FastAPI

GCP

AWS

Azure

Jobbeschreibung

Lead Software Engineer Python API - Fintech

Location: South East England, GB, KT19 8GY

Closing date: 2026-09-15T03:25:52.467

Job Title

Lead Software Engineer / Developer London / WFH to £120k

Job Description

Are you a skilled backend focused Python technologist with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up.

As a Lead Software Engineer you'll head up a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role with approximately 50/50 split between architecture / design and people management. You'll set the standards and mentor more junior developers, fostering a culture of continuous improvement and self development.

Location / WFH

You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model.

About you

• You're an experienced Software Engineer with Python expertise and a strong knowledge of software engineering best practices and full SDLC experience.
• You have team leadership experience, happy to mentor and develop others as well as provide 1-2-1s and performance reviews.
• You have a good knowledge of cloud based services (they use GCP but AWS or Azure experience is fine).
• You have experience of building APIs, ideally FastAPI experience.
• You have a good knowledge of CI/CD, testing and deployment.
• You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms.
• You're collaborative and pragmatic with great communication skills.
• You're degree educated in a STEM discipline, having achieved a 2.1 or above.

What's in it for you

As a Lead Software Engineer you will earn a competitive salary (up to £120k) plus pension and other benefits.