At a Glance
- Tasks: Build secure, scalable services using Kotlin and React while collaborating with cross-functional teams.
- Company: Join a global leader in financial services with a focus on innovation.
- Benefits: Competitive contract rate, potential for extension, and opportunities for professional growth.
- Other info: Dynamic work environment with a strong emphasis on learning and collaboration.
- Why this job: Make an impact in fintech by developing cutting-edge customer-facing applications.
- Qualifications: Proficient in Kotlin and TypeScript with experience in React applications.
The predicted salary is between 50000 - 70000 £ per year.
Talent-Relay has partnered with a global player in the financial services sector to urgently onboard an experienced Full Stack Engineer with experience of Kotlin, React / Typescript into a project team, building secure, scalable customer‑facing services. Successful candidate will join the team on an initial contract until the end of 2026, with extension highly likely. The successful Full Stack Developer will work across Kotlin backend services and TypeScript/React frontends, contribute to CI/CD pipelines, and leverage agentic AI tooling. This role emphasizes collaboration, learning, and clear communication with cross‑functional teams. Candidates must have the right to work in the United Kingdom.
Key Responsibilities
- Build and run scalable backend services using Kotlin and modern JVM frameworks.
- Create fast, polished web experiences with TypeScript and React.
- Drive CI/CD: automate builds, testing, deployments, and monitoring.
- Develop and test internal AI tooling (agent orchestration, safety patterns) for engineering teams.
- Collaborate through code reviews, pair programming, and sprint planning.
- Diagnose production issues quickly and ship reliable fixes.
- Communicate progress, priorities, and trade‑offs clearly across teams.
Required Qualifications, Skills and Experience
- Proficient in Kotlin (or another JVM language) and TypeScript.
- Hands‑on experience building React applications.
- Familiar with CI/CD pipelines and tools (GitHub Actions, Jenkins, GitLab CI).
- Working knowledge of agentic AI concepts and internal tooling.
- Clear, confident communicator—able to explain technical ideas to any audience.
- Eager to learn and thrive in a security‑focused, regulated environment.
Nice to have
- Experience with cloud platforms (AWS, GCP, or Azure).
- Familiar with containers and orchestration (Docker, Kubernetes).
- Understanding of secure coding and data privacy/anonymisation practices.
- Internship or project experience in fintech or insurance.
Full Stack Engineer – Kotlin, React / Typescript – Contract – London employer: Talent-Relay Limited
As a Golang Engineer at our leading global financial services organisation in Burgess Hill, you will thrive in a dynamic and supportive work culture that prioritises employee growth and development. With a hybrid working setup, you can enjoy the flexibility of remote work while collaborating with talented professionals on long-term projects, all within a company that values innovation and excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Full Stack Engineer – Kotlin, React / Typescript – Contract – London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those in financial services. A friendly chat can lead to opportunities that aren’t even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your Kotlin and React projects. This is your chance to demonstrate what you can do beyond just a CV—make it pop!
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice explaining complex concepts clearly, as communication is key in collaborative environments.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented Full Stack Engineers, and applying directly can give you an edge over others.
We think you need these skills to ace Full Stack Engineer – Kotlin, React / Typescript – Contract – London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with Kotlin, React, and TypeScript. We want to see how your skills match the job description, so don’t be shy about showcasing relevant projects or roles you've had!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about this role and how your background makes you a perfect fit. We love seeing genuine enthusiasm and clear communication.
Showcase Your Collaboration Skills:Since this role emphasises teamwork, mention any experiences where you’ve worked in cross-functional teams. We want to know how you communicate and collaborate with others, so share those stories!
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Talent-Relay Limited
✨Know Your Tech Stack
Make sure you brush up on your Kotlin, React, and TypeScript skills before the interview. Be ready to discuss your past projects and how you've used these technologies to build scalable applications. This will show that you're not just familiar with the tools, but that you can apply them effectively.
✨Showcase Your CI/CD Knowledge
Since the role involves driving CI/CD processes, be prepared to talk about your experience with automation tools like GitHub Actions or Jenkins. Share specific examples of how you've implemented CI/CD in previous roles, as this will demonstrate your hands-on experience and understanding of best practices.
✨Communicate Clearly
This position emphasises clear communication, so practice explaining complex technical concepts in simple terms. Think about how you would describe your work to someone without a technical background. This will help you stand out as a candidate who can bridge the gap between technical and non-technical teams.
✨Be Ready to Collaborate
Collaboration is key in this role, so come prepared with examples of how you've worked in cross-functional teams. Discuss your experiences with code reviews, pair programming, and sprint planning. Highlighting your teamwork skills will show that you're a good fit for their collaborative culture.