Senior Python Developer | Series B Fintech | Flexible Working |

Senior Python Developer | Series B Fintech | Flexible Working |

Full-Time 90000 - 90000 € / year (est.) Home office (partial)
HUG

At a Glance

  • Tasks: Design and develop scalable backend systems for a high-growth fintech.
  • Company: Join a dynamic fintech revolutionising institutional financial markets.
  • Benefits: Competitive salary, annual bonus, equity, and flexible hybrid working.
  • Other info: Collaborate with a lean team and enjoy excellent career growth opportunities.
  • Why this job: Make a real impact on critical infrastructure while solving complex technical challenges.
  • Qualifications: 5+ years in backend development with strong Python skills and cloud experience.

The predicted salary is between 90000 - 90000 € per year.

We’re partnering with a high-growth fintech building critical infrastructure for institutional financial markets. Their platform processes billions in daily transaction volume and sits at the heart of complex investment workflows used by sophisticated institutional clients. This is an opportunity to join a lean, high-calibre engineering team where you’ll work closely with senior technical leadership to design, build and scale mission-critical backend systems. If you enjoy solving complex technical problems in environments where engineering quality, reliability and ownership genuinely matter, this could be a strong fit.

The Role

You’ll be responsible for designing and developing backend systems that support core trading / investment operations, internal workflows, and client-facing products. This is a hands-on senior engineering role with meaningful ownership and direct impact.

Responsibilities include:

  • Designing and building scalable backend services and distributed systems
  • Developing high-quality, maintainable production code
  • Working on mission-critical applications with high reliability requirements
  • Building APIs and backend integrations
  • Contributing to system architecture and technical design decisions
  • Improving performance, scalability and observability
  • Participating in code reviews and engineering best practices
  • Mentoring less experienced engineers where appropriate
  • Collaborating with product, engineering leadership and stakeholders

Tech Environment

  • Python
  • AWS
  • Docker / Kubernetes
  • REST APIs / GraphQL
  • CI/CD
  • Infrastructure as Code

Engineers with strong experience in other backend OO languages (Go, Java, C#, C++) are also encouraged to apply.

What We’re Looking For

  • 5+ years building complex backend applications
  • Strong backend engineering fundamentals
  • Experience with distributed systems / scalable infrastructure
  • Production experience with cloud platforms (AWS preferred)
  • Experience with APIs, databases, and modern software engineering practices
  • Strong understanding of testing, CI/CD, and code quality
  • Excellent problem-solving and communication skills
  • Strong STEM academic background (Computer Science, Engineering, Physics, Mathematics or similar) REQUIRED

Highly desirable:

  • Fintech / financial systems experience
  • Python expertise
  • PostgreSQL
  • Messaging architectures
  • Containerisation / orchestration
  • Infrastructure tooling
  • Experience working in lean, high-ownership engineering teams

Compensation

  • Base salary up to £90,000
  • Guaranteed annual bonus (10–30% - OTE £117,000)
  • Meaningful equity
  • Strong wider benefits package

Location

Hybrid London working model with flexibility. This role unfortunately does not offer sponsorship.

Senior Python Developer | Series B Fintech | Flexible Working | employer: HUG

Join a dynamic fintech company at the forefront of institutional financial markets, where you'll be part of a high-calibre engineering team dedicated to building critical backend systems. With a flexible hybrid working model in London, you will enjoy a culture that prioritises engineering quality and ownership, alongside opportunities for mentorship and professional growth. The competitive compensation package, including equity and a generous bonus structure, makes this an exceptional place for talented developers looking to make a significant impact.

HUG

Contact Detail:

HUG Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Python Developer | Series B Fintech | Flexible Working |

Tip Number 1

Network like a pro! Reach out to your connections in the fintech space and let them know you're on the lookout for opportunities. A personal recommendation can go a long way in landing that dream job.

Tip Number 2

Show off your skills! Create a portfolio showcasing your best Python projects, especially those related to backend systems or distributed architectures. This will give potential employers a taste of what you can bring to the table.

Tip Number 3

Prepare for technical interviews by brushing up on your problem-solving skills. Practice coding challenges and system design questions that are relevant to the role. We want you to feel confident when it’s time to shine!

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect with us directly.

We think you need these skills to ace Senior Python Developer | Series B Fintech | Flexible Working |

Python
Distributed Systems
Backend Engineering
Scalable Infrastructure
Cloud Platforms (AWS)
APIs
Databases

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your backend engineering fundamentals and any experience with distributed systems, as these are key for us.

Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about fintech and how your background aligns with our mission. Share specific examples of your work that demonstrate your problem-solving skills and ownership in previous roles.

Showcase Your Technical Skills:Don’t forget to mention your experience with Python, AWS, and any other relevant technologies. We love seeing candidates who can clearly articulate their technical expertise and how it applies to building scalable backend systems.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity in our high-calibre engineering team.

How to prepare for a job interview at HUG

Know Your Tech Stack

Make sure you’re well-versed in Python and the other technologies mentioned in the job description, like AWS and Docker. Brush up on distributed systems and be ready to discuss how you've used these tools in past projects.

Showcase Problem-Solving Skills

Prepare to tackle some technical problems during the interview. Think of examples where you've solved complex issues in backend development, especially in high-reliability environments. This will demonstrate your ability to handle the challenges of the role.

Understand the Business Context

Since this is a fintech role, it’s crucial to understand the financial markets and how your work impacts them. Familiarise yourself with the company's platform and be ready to discuss how your contributions can enhance their critical infrastructure.

Engage with Questions

Don’t hesitate to ask insightful questions about the team dynamics, engineering practices, and the company’s vision. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.