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- Tasks: Design and develop scalable backend systems for innovative financial products.
- Company: Join a dynamic team focused on financial inclusion and tech innovation.
- Benefits: Competitive salary, stock options, paid leave, and skill development.
- Why this job: Make a real impact while working with the latest technologies in a fast-paced environment.
- Qualifications: 5+ years in backend development, fluent in Java, and strong communication skills.
- Other info: Opportunity to own the development process and grow your career.
The predicted salary is between 36000 - 60000 £ per year.
As a Backend Engineer, you will design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You will collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money.
The work will focus on greenfield development and improvement of existing systems. Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity).
Our technology stack is based predominantly on Java 25 on the backend with Postgres database. We rely on Spring Boot for quick and quality delivery. We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery.
What you will need:
- 5+ years of experience in Backend development, with fluency in Java
- Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines
- Quick learner with an ambitious and results driven personality, with excellent communication skills (English fluency, verbal and written)
- Track record of building complex products that millions of people use in hypergrowth startups
Benefits:
- Competitive salary
- Sign-on stock options bonus, so you become part of the success of the company
- Discretionary performance bonus (stock options)
- Paid annual leave
- Own the development process that will face on the customer's impact
- Latest technology to work with
- Strong team that will help you improve your skills
Backend Engineer in London employer: Castleisland
Contact Detail:
Castleisland Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Backend Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work in backend development. A friendly chat can lead to referrals or insider info about job openings that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving REST APIs and microservices. This is your chance to demonstrate your expertise in Java and Spring Boot, so make it shine!
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common backend engineering problems and be ready to discuss your past projects in detail—this is where you can really impress!
✨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 joining our team!
We think you need these skills to ace Backend Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in backend development, especially with Java and Postgres. We want to see how your skills align with our tech stack and the projects you'll be working on.
Showcase Your Projects: Include examples of complex products you've built or contributed to, particularly in hypergrowth environments. This helps us understand your hands-on experience and how you tackle challenges.
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're excited about the role and how you can contribute to our mission of financial inclusion. Be genuine and let your personality shine through!
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 don’t miss out on any important updates from our team.
How to prepare for a job interview at Castleisland
✨Know Your Tech Stack
Make sure you’re well-versed in Java 25, Spring Boot, and Postgres. Brush up on your knowledge of REST APIs and microservices, as these are key components of the role. Being able to discuss your experience with these technologies will show that you're ready to hit the ground running.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've tackled complex backend challenges. Highlight your approach to clean code, TDD, and DDD. This will demonstrate your ability to maintain high standards while delivering results quickly, which is crucial for the role.
✨Communicate Effectively
Since excellent communication skills are a must, practice articulating your thoughts clearly and concisely. Be ready to explain technical concepts in a way that’s easy to understand, as collaboration with your team will be essential in this position.
✨Emphasise Your Growth Mindset
Express your ambition and eagerness to learn. Share instances where you’ve adapted to new technologies or methodologies. This will resonate well, especially in a hypergrowth startup environment where flexibility and a proactive attitude are key.
