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- Tasks: Design and develop scalable backend systems that empower financial freedom.
- Company: Join a forward-thinking fintech company revolutionising the financial system.
- Benefits: Competitive salary, stock options, performance bonuses, and paid annual leave.
- Why this job: Make a real impact in a fast-growing company while working with cutting-edge technology.
- Qualifications: 3+ years of backend development experience, fluent in Java, and strong communication skills.
- Other info: Collaborative team environment with opportunities for skill enhancement.
The predicted salary is between 36000 - 60000 £ per year.
Our vision is simple: a global financial system, without hidden fees or unfair FX rates. With control in the hands of the users instead of the hands of banks. With fund management capabilities to grow your savings for decades and build generational wealth.
Do you want to build robust systems that empower financial freedom? 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. If you are excited to solve complex challenges and make a meaningful impact in a fast-growing company, we would love to hear from you!
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:
- Minimum 3+ years of experience in Backend development, with fluency in Java
- 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 hyper-growth startups
- Willingness to work from the London office at least 1 day per week
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
Java Software Engineer in London employer: Castleisland
Contact Detail:
Castleisland Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Java Software Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work in finance or startups. A friendly chat can lead to referrals and insider info about job openings that might not be advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Java and backend development. Having tangible examples of your work can really impress potential employers and set you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical skills and understanding the company’s mission. Be ready to discuss how your experience aligns with their vision of financial freedom and innovation.
✨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 and engaged with our mission.
We think you need these skills to ace Java Software Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Java Software Engineer role. Highlight your experience with Java, backend development, and any relevant projects you've worked on. We want to see how your skills align with our mission of financial empowerment!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for building robust systems and how you can contribute to our vision. Let us know why you're excited about the opportunity to work with us and how you can help transform financial management.
Showcase Your Projects: If you've built complex products or worked on significant projects, don't hold back! Include links or descriptions of your work that demonstrate your ability to create scalable and secure systems. We love seeing what you've accomplished in hyper-growth environments!
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 it gets into the right hands. Plus, it shows us you're keen on joining 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 challenges you've faced in previous projects and how you overcame them. Use examples that highlight your ability to build complex products and your approach to clean code and maintainability. This will demonstrate your fit for a role focused on innovative solutions.
✨Communicate Clearly
Since excellent communication skills are a must, practice articulating your thoughts clearly and concisely. Be ready to explain technical concepts in simple terms, as you’ll need to collaborate with a talented team. Good communication can set you apart from other candidates.
✨Emphasise Your Growth Mindset
Express your willingness to learn and adapt, especially in a fast-growing startup environment. Share examples of how you've quickly picked up new skills or technologies in the past. This will resonate well with the company’s ambition for innovation and financial inclusion.
