Software Engineer (Staff) - Python - FinTech in London

Software Engineer (Staff) - Python - FinTech in London

London Full-Time 70000 - 90000 Β£ / year (est.) No working from home possible
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At a Glance

  • Tasks: Design and build large-scale Identity & Access Management systems for a global FinTech platform.
  • Company: Fast-growing FinTech with a strong engineering culture and global reach.
  • Benefits: Competitive salary, bonus opportunities, and clear progression paths.
  • Other info: High-impact role with significant ownership and mentoring opportunities.
  • Why this job: Shape critical security systems and tackle complex engineering challenges.
  • Qualifications: 7+ years in software engineering with strong Python skills and IAM experience.

The predicted salary is between 70000 - 90000 Β£ per year.

  • Staff Software Engineer – Identity & Security
  • Competitive Salary + Bonus

We're partnered with a fast-growing Fin Tech building a global financial platform, looking for a Staff Software Engineer to help shape the next generation of identity and access management across the business.

This is a high-impact role with significant ownership, working on business-critical systems used across a global platform.

  • What You'll Be Doing
  • Designing and building large-scale Identity & Access Management (IAM) systems
  • Developing authentication, authorisation, and access control services
  • Driving architecture and technical direction across critical platform services
  • Collaborating with product and engineering teams to deliver secure, scalable solutions
  • Improving engineering standards, testing, and CI/CD practices
  • Mentoring engineers and helping shape technical best practices
  • What They're Looking For
  • Strong software engineering background (7+ years)
  • Experience building IAM, authentication, or authorisation platforms
  • Strong programming skills in Python, Java, Go, or similar
  • Experience designing distributed systems and scalable backend services
  • Background within Fin Tech or financial services
  • Engineers who enjoy owning complex technical problems end-to-end
  • High-impact Staff Engineer role with significant technical ownership
  • Opportunity to shape a critical platform used globally
  • Complex engineering challenges around security and identity
  • Strong engineering culture with clear progression opportunities
  • Fast-growing Fin Tech with global reach

If you're passionate about backend engineering, platform security, and building scalable identity systems, this is well worth a conversation.

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Software Engineer (Staff) - Python - FinTech in London employer: Atarus

Atarus is an exceptional employer that fosters a collaborative and innovative work culture, where engineers are empowered to take ownership of their projects. Located in the vibrant tech hub of Greater London, employees benefit from ample opportunities for professional growth and development, alongside competitive compensation and a supportive team environment. Join us to be at the forefront of AI technology, tackling exciting challenges while working with a talented group of professionals.

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Contact Details:

Atarus Recruitment Team

We think you need these skills to ace Software Engineer (Staff) - Python - FinTech in London

Software Engineering
Identity and Access Management (IAM)
Authentication
Authorisation
Access Control Services
Architecture Design
Technical Direction