Back End Developer

Back End Developer

Full-Time 100000 - 130000 £ / year (est.) No working from home possible
Radley James

At a Glance

  • Tasks: Design and scale event-driven backend systems for a cutting-edge AI revenue platform.
  • Company: Fast-growing fintech company with a focus on innovation and collaboration.
  • Benefits: Competitive salary, equity, and hybrid work model in London.
  • Other info: Exciting opportunity in a dynamic, fast-paced startup environment.
  • Why this job: Join early to influence major architectural decisions and make a real impact.
  • Qualifications: 4-10 years experience in backend or full-stack engineering, proficient in backend languages.

The predicted salary is between 100000 - 130000 £ per year.

We’re hiring backend engineers to help build the infrastructure powering a fast-growing AI-driven revenue platform used by modern finance teams. You’ll work on revenue-critical systems that process high-volume usage events and power billing for B2B companies. This is an opportunity to help design and scale core backend infrastructure while joining early enough to influence major architectural decisions.

What you’ll work on:

  • Designing and scaling event-driven backend systems
  • Building high-throughput data pipelines for billing and usage events
  • Architecting systems for reliability, accuracy, and scale
  • Working primarily with Kotlin, Spring Boot, and cloud infrastructure

We’re looking for engineers who:

  • Have 4–10 years of experience as a backend or full-stack engineer
  • Have worked in B2B SaaS, Fintech, or high-growth startup environments
  • Are proficient in a backend language (Kotlin, Python, TypeScript, Ruby, Java, etc.)
  • Are excited to work in a fast-moving, early-stage environment
  • Enjoy building scalable systems and data infrastructure
  • Have a Russel Group university degree

What’s offered:

  • Equity
  • Hybrid work (London, 3 days in office)
  • Early ownership of critical infrastructure at a rapidly scaling company

Back End Developer employer: Radley James

Join a dynamic and innovative team as a Back End Developer, where you'll have the opportunity to shape the future of a cutting-edge AI-driven revenue platform. With a hybrid work model in London, we offer competitive equity options, a collaborative work culture, and significant opportunities for professional growth in a fast-paced environment that values your input on architectural decisions.

Radley James

Contact Details:

Radley James Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Back End Developer

Tip Number 1

Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can get you in the door.

Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using Kotlin or Spring Boot. This is your chance to demonstrate your expertise and passion for backend development.

Tip Number 3

Prepare for technical interviews by brushing up on system design and coding challenges. We recommend practicing with real-world scenarios that relate to building scalable systems and data pipelines.

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 are proactive about their job search!

We think you need these skills to ace Back End Developer

Kotlin
Spring Boot
Cloud Infrastructure
Event-Driven Systems
High-Throughput Data Pipelines
B2B SaaS
Fintech

Some tips for your application 🫡

Tailor Your CV:Make sure your CV highlights your experience with backend systems and any relevant projects you've worked on. We want to see how your skills align with our needs, so don’t be shy about showcasing your achievements!

Craft a Compelling Cover Letter:Your cover letter is your chance to tell us why you’re the perfect fit for this role. Share your passion for building scalable systems and any specific experiences that relate to our tech stack, especially Kotlin and Spring Boot.

Showcase Your Problem-Solving Skills:In your application, include examples of challenges you've faced in previous roles and how you tackled them. We love engineers who can think on their feet and come up with innovative solutions!

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 the role. Plus, it shows us you’re keen to join the StudySmarter team!

How to prepare for a job interview at Radley James

Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, especially Kotlin and Spring Boot. Brush up on your knowledge of cloud infrastructure and be ready to discuss how you've used these tools in past projects.

Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous roles, particularly in building scalable systems or data pipelines. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your impact.

Understand the Business Context

Since this role is within a B2B SaaS and Fintech environment, do some research on current trends in these sectors. Be prepared to discuss how backend systems can drive revenue and improve efficiency for finance teams.

Ask Insightful Questions

Prepare thoughtful questions about the company’s architecture and future plans. This shows your genuine interest in the role and helps you assess if the company aligns with your career goals, especially regarding early ownership of critical infrastructure.