Backend Engineer – FinTech Platform, London

Backend Engineer – FinTech Platform, London

London Full-Time 60000 - 80000 £ / year (est.) No working from home possible
nsave

At a Glance

  • Tasks: Design and scale resilient systems for a leading FinTech platform.
  • Company: Join nsave, a dynamic FinTech company in London.
  • Benefits: Enjoy 25 days leave, private health insurance, and a wellness budget.
  • Other info: Diverse workplace with excellent growth opportunities and visa sponsorship.
  • Why this job: Make a real impact in the financial services sector with cutting-edge technology.
  • Qualifications: Experience in backend architecture and a passion for teamwork.

The predicted salary is between 60000 - 80000 £ per year.

As our Backend Engineer, you will play a critical role in building and scaling the infrastructure that powers nsave's financial services. Reporting to the CTO, you’ll work closely with the CEO and the broader engineering team to architect, ship, and scale resilient, high‑performance systems serving tens of thousands of users across multiple jurisdictions.

Location: Full‑time, on‑site role based in London.

Who you are:

  • Breadth in platform and infrastructure: familiar with backend architecture, databases, site reliability, infrastructure as code, and continuous deployment.
  • Strong software engineering fundamentals: build and optimising software systems with solid clean software principles, layered abstractions, and trade‑offs.
  • A supportive teammate: care about operational health and enabling other engineers to iterate quickly and ship fast, with a focus on developer operations.
  • Business‑oriented decision maker: technical choices informed by product and business context, navigating speed versus quality.
  • Comfortable designing secure systems: build and manage the complexity of a financial services system with high security requirements.
  • Experience in fintech, startups, or regulated environments is a plus.

How You’ll Make a Difference:

  • Design, implement, and own critical subsystems of our infrastructure — including service architecture, reliability, build and release, security, and integration with compliance and banking services.
  • Proactively improve system compliance and health by identifying weak spots and prioritising projects to address them.
  • Adopt a user‑centred mentality, responding quickly to changing requirements and shifting priorities.
  • Scale the engineering team by driving adoption of best practices, interviewing candidates, defining new engineering processes, and supporting teammates as we grow.

Benefits:

  • nsave Share Options (subject to eligibility and plan rules)
  • 25 days annual leave plus UK public holidays
  • Visa sponsorship available
  • Private medical insurance
  • Free monthly gym membership (via hussle)
  • £500 health & wellness budget
  • Individual learning & development budget
  • Season ticket loan scheme
  • Cycle to work scheme

nsave is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace and welcome applications from all backgrounds, identities, and experiences. We do not discriminate on the basis of age, gender, ethnicity, religion, sexual orientation, disability, or any other protected characteristic.

Backend Engineer – FinTech Platform, London employer: nsave

At nsave, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration in the heart of London. Our commitment to employee growth is evident through our individual learning budgets and supportive environment, where you can thrive as a Backend Engineer while contributing to impactful financial services. With competitive benefits like private medical insurance, generous annual leave, and a focus on wellness, nsave is dedicated to ensuring our team members feel valued and empowered.

nsave

Contact Details:

nsave Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Backend Engineer – FinTech Platform, London

Tip Number 1

Network like a pro! Reach out to folks in the fintech space, especially those who work at nsave or similar companies. A friendly chat can open doors and give you insights that might just land you an interview.

Tip Number 2

Show off your skills! If you’ve got a GitHub or portfolio showcasing your backend projects, make sure to highlight them. We love seeing real-world applications of your coding prowess, especially in financial services.

Tip Number 3

Prepare for the technical interview! Brush up on your software engineering fundamentals and be ready to discuss your approach to building secure systems. We want to see how you think and solve problems, so practice articulating your thought process.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at nsave. Don’t miss out!

We think you need these skills to ace Backend Engineer – FinTech Platform, London

Backend Architecture
Databases
Site Reliability
Infrastructure as Code
Continuous Deployment
Software Engineering Fundamentals
Clean Software Principles

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Backend Engineer role. Highlight your familiarity with backend architecture, databases, and any relevant fintech experience to catch our eye!

Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about building resilient systems in the financial sector. Share specific examples of how you've tackled challenges in previous roles, especially those related to security and compliance.

Showcase Your Team Spirit:We love supportive teammates! In your application, mention instances where you've helped others succeed or improved team processes. This will show us you care about operational health and collaboration.

Apply Through Our Website:For the best chance of getting noticed, apply directly through our website. It’s the quickest way for us to see your application and get you into the process. We can’t wait to hear from you!

How to prepare for a job interview at nsave

Know Your Tech Stack

Make sure you’re well-versed in the backend technologies mentioned in the job description. Brush up on your knowledge of databases, site reliability, and infrastructure as code. Being able to discuss these topics confidently will show that you’re a strong fit for the role.

Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled complex engineering challenges in the past. Highlight your ability to make business-oriented decisions while balancing speed and quality. This will demonstrate your understanding of the fintech landscape and your capability to contribute effectively.

Emphasise Team Collaboration

Since the role involves working closely with other engineers and leadership, be ready to discuss how you’ve supported teammates in previous roles. Share specific instances where you’ve helped improve operational health or facilitated quick iterations, showcasing your supportive nature.

Understand Security Requirements

Given the high-security demands of financial services, brush up on secure system design principles. Be prepared to discuss how you would approach building and managing secure systems, as this is crucial for the role and will set you apart from other candidates.