At a Glance
- Tasks: Design and build innovative features across frontend and backend for a fintech platform.
- Company: Join a high-growth fintech company revolutionising financial infrastructure.
- Benefits: Enjoy a hybrid working model, competitive benefits, and dedicated learning time.
- Other info: Collaborative culture focused on engineering excellence and career growth.
- Why this job: Make a real impact in a fast-paced startup environment with ownership of your work.
- Qualifications: 5-7 years of software engineering experience and strong full stack development skills.
The predicted salary is between 60000 - 80000 € per year.
PaymentGenes are supporting a high-growth fintech company that is building next-generation financial infrastructure focused on enabling fast, efficient international funds distribution for businesses. Currently midway through an MVP build, the team is looking to hire a Senior Full Stack Engineer to join at a critical stage of product development. You will work closely with a small, experienced engineering team to help design and deliver a regulated financial platform from the ground up, with a strong emphasis on performance, scalability, and security.
The Opportunity
This role offers end-to-end ownership across the stack, with involvement in architecture, implementation, and building systems designed for compliance within a regulated environment. The team is focused on creating robust, auditable, and scalable systems from day one.
Key Responsibilities
- Design and build end-to-end features across frontend and backend
- Contribute to transaction processing and ledger systems
- Develop event-driven services using modern architectural patterns
- Build real-time functionality using WebSockets
- Integrate with third-party providers (e.g. identity verification, payments)
- Support fraud prevention and monitoring capabilities
- Contribute to infrastructure and CI/CD pipelines
- Ensure systems are secure, resilient, and compliant
Technology Stack
- TypeScript across the stack
- Modern backend frameworks (Node.js ecosystem)
- React (TypeScript) and contemporary UI libraries
- Relational and NoSQL databases (e.g. PostgreSQL, DynamoDB)
- Cloud-native infrastructure (AWS or similar)
- Event-driven architecture
- Monorepo setup and CI/CD pipelines
What We’re Looking For
- 5–7 years of software engineering experience
- Strong full stack development experience with TypeScript
- Experience building and scaling production systems
- Solid understanding of APIs and distributed systems
- Experience with relational databases
- Awareness of security and compliance considerations
- Comfortable working in a fast-paced, startup environment
What’s on Offer
- Hybrid working model (London-based)
- Early-stage opportunity with real ownership and impact
- Strong engineering culture and standards
- Competitive benefits package including pension
- Dedicated time for learning and development
- Collaborative, low-ego environment
Full Stack Engineer in London employer: Pentasia
PaymentGenes is an exceptional employer, offering a dynamic and collaborative work environment where innovation thrives. As a Senior Full Stack Engineer, you will have the unique opportunity to shape the future of financial infrastructure while enjoying a hybrid working model in London. With a strong emphasis on employee growth, competitive benefits, and a culture that values learning and development, this role promises meaningful contributions and a rewarding career path.
StudySmarter Expert Advice🤫
We think this is how you could land Full Stack Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space and let them know you're on the lookout for opportunities. A personal recommendation can go a long way in landing that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving TypeScript and full stack development. This will give potential employers a taste of what you can bring to the table.
✨Tip Number 3
Prepare for technical interviews by brushing up on your knowledge of APIs, distributed systems, and security considerations. Practice coding challenges and be ready to discuss your past experiences in detail.
✨Tip Number 4
Don't forget to apply through our website! We love seeing candidates who are genuinely interested in joining our team. Plus, it makes it easier for us to keep track of your application.
We think you need these skills to ace Full Stack Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your full stack development experience with TypeScript and any relevant projects you've worked on, especially those involving performance, scalability, and security.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about fintech and how your background aligns with our mission. Share specific examples of how you've contributed to building robust systems in previous roles, particularly in regulated environments.
Showcase Your Technical Skills:In your application, don't shy away from detailing your technical expertise. Mention your experience with modern backend frameworks, cloud-native infrastructure, and any event-driven architecture you've worked with. We want to see your hands-on experience!
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 during the hiring process. Plus, it shows us you're keen to join our team!
How to prepare for a job interview at Pentasia
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially TypeScript, Node.js, and React. Brush up on your knowledge of relational and NoSQL databases too, as you'll likely be asked about your experience with them.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects, particularly around building scalable systems or ensuring security compliance. Use the STAR method (Situation, Task, Action, Result) to structure your answers effectively.
✨Understand the Fintech Landscape
Familiarise yourself with current trends in fintech, especially around international funds distribution and regulatory requirements. This will not only show your interest in the industry but also help you engage in meaningful conversations during the interview.
✨Ask Insightful Questions
Prepare thoughtful questions about the team’s approach to architecture and compliance, or how they handle CI/CD pipelines. This demonstrates your genuine interest in the role and helps you assess if the company culture aligns with your values.
