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 in a fast-paced environment.
- Qualifications: 5+ years in backend development with strong problem-solving skills.
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 | in Slough 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 hybrid working model in London, we offer a culture that values engineering excellence, meaningful ownership, and collaboration, alongside competitive compensation and a strong benefits package that supports your professional growth and work-life balance.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Python Developer | Series B Fintech | Flexible Working | in Slough
✨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 referral can make all the difference when it comes to landing that interview.
✨Tip Number 2
Show off your skills! Consider building a small project or contributing to open-source work that showcases your Python expertise and backend engineering chops. This not only boosts your portfolio but also gives you something tangible to discuss during interviews.
✨Tip Number 3
Prepare for technical interviews by brushing up on distributed systems and cloud platforms like AWS. Practice coding challenges and system design questions, as these are often key components of the interview process for senior roles.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of exciting roles, and applying directly can sometimes give you an edge. Plus, it’s super easy to keep track of your applications this way!
We think you need these skills to ace Senior Python Developer | Series B Fintech | Flexible Working | in Slough
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with backend systems and Python. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements in distributed systems and scalable infrastructure.
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about this fintech opportunity and how your background makes you a perfect fit for our high-calibre engineering team. Keep it concise but impactful!
Showcase Your Problem-Solving Skills:In your application, highlight specific examples where you've tackled complex technical challenges. We love engineers who can think critically and come up with innovative solutions, so let us know how you've done this in the past!
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 role. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at HUG
✨Know Your Tech Inside Out
Make sure you’re well-versed in Python and the tech stack mentioned in the job description. Brush up on distributed systems, APIs, and cloud platforms like AWS. Being able to discuss your past projects and how you tackled complex problems will show your expertise.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles, especially those related to backend engineering. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your thought process and solutions.
✨Understand the Company’s Mission
Research the fintech company and its role in institutional financial markets. Be ready to explain how your skills can contribute to their mission-critical applications and why you’re excited about working in this space.
✨Engage with Questions
Prepare thoughtful questions to ask during the interview. This could be about their engineering practices, team dynamics, or future projects. It shows your interest and helps you gauge if the company is the right fit for you.
