At a Glance
- Tasks: Design and build resilient backend services using Kotlin and Java for real-time financial data.
- Company: Fast-growing FinTech with a modern, collaborative engineering culture.
- Benefits: Up to £110,000 salary, hybrid working, bonus, and equity options.
- Other info: Opportunity to mentor engineers and grow in a dynamic environment.
- Why this job: Join a team that powers real-time financial services and make a significant impact.
- Qualifications: Strong experience in Kotlin, Java, and building distributed systems.
The predicted salary is between 110000 - 110000 € per year.
We're a fast-growing FinTech building modern, cloud-native platforms that power real-time financial services used by thousands of customers daily. Our engineering culture is collaborative, pragmatic, and focused on delivering high-quality, scalable systems.
We're looking for a Senior Kotlin Developer to help design and build resilient backend services that process high-volume financial data in real time. You'll work closely with product, platform, and data teams to deliver robust distributed systems in a cloud-first environment. This is a hybrid role based in London (3 days per week in the office).
What You'll Be Doing:
- Designing and building microservices using Kotlin and Java
- Deploying and operating services on AWS
- Improving system performance, reliability, and scalability
- Contributing to architecture decisions and best practices
- Mentoring engineers and supporting a strong engineering culture
Key Skills:
- Kotlin, Java (Spring Boot / Micronaut or similar)
- Apache Kafka / event-driven architecture
- AWS (EKS, Lambda, S3, RDS, DynamoDB, or similar)
- Observability tooling (monitoring, logging, tracing)
- Strong commercial experience with Kotlin and Java backend development
- Experience building distributed or event-driven systems with Kafka
- Strong understanding of testing, clean code, and engineering best practices
Nice to Have:
- Experience in FinTech, payments, or regulated environments
- Infrastructure as Code (Terraform, CloudFormation)
What's On Offer:
- Salary up to £110,000
- Hybrid working (3 days London office)
- Bonus + equity options
- Modern, collaborative engineering culture
Senior Software Engineer - Kotlin in London employer: Oliver Bernard
As a fast-growing FinTech company based in London, we pride ourselves on fostering a modern and collaborative engineering culture that empowers our employees to thrive. With a competitive salary of up to £110,000, hybrid working arrangements, and opportunities for mentorship and professional growth, we are dedicated to building a supportive environment where innovation flourishes. Join us to be part of a team that is shaping the future of financial services with cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer - Kotlin in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the FinTech space, especially those who work with Kotlin or AWS. A friendly chat can lead to insider info about job openings that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a GitHub repository showcasing your Kotlin projects or any relevant work. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for the interview by brushing up on your knowledge of microservices and event-driven architecture. Be ready to discuss how you've tackled challenges in past projects, especially around performance and scalability.
✨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 Senior Software Engineer - Kotlin in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with Kotlin, Java, and any relevant technologies like AWS and Kafka. We want to see how your skills align with what we're looking for, 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 the Senior Kotlin Developer role. Share your passion for FinTech and how your background in building resilient backend services can contribute to our team.
Showcase Your Projects:If you've worked on any interesting projects, especially those involving microservices or event-driven architecture, make sure to mention them! We love seeing real-world applications of your skills and how you tackle challenges.
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 our collaborative engineering culture!
How to prepare for a job interview at Oliver Bernard
✨Know Your Tech Stack
Make sure you’re well-versed in Kotlin, Java, and the tools mentioned in the job description like AWS and Kafka. Brush up on your microservices architecture knowledge and be ready to discuss how you've used these technologies in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles, especially related to system performance and scalability. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your contributions.
✨Understand the Company Culture
Research the company’s engineering culture and values. Be ready to explain how your work style aligns with their collaborative and pragmatic approach. This shows that you’re not just a fit for the role, but also for the team.
✨Ask Insightful Questions
Prepare thoughtful questions about the team dynamics, ongoing projects, and the company’s future direction in FinTech. This demonstrates your genuine interest in the role and helps you assess if it’s the right fit for you.
