At a Glance
- Tasks: Design and build cloud-native systems using Node.js, AWS, and Kubernetes.
- Company: Join a high-growth fintech business with a focus on innovation.
- Benefits: Enjoy remote work, competitive salary, and opportunities for professional growth.
- Other info: Be part of a dynamic international team with real ownership over projects.
- Why this job: Make an impact in fintech and explore AI-driven product development.
- Qualifications: 4+ years in backend or full stack engineering with strong Node.js skills.
The predicted salary is between 60000 - 80000 £ per year.
Location: Remote in Europe, with preference for Poland, Cyprus, or Latvia
A high-growth fintech business is looking for a Senior Full Stack Engineer to help build and scale the next generation of digital payments and account infrastructure. This is a chance to join a distributed engineering team working on modern fintech products across card issuing, digital accounts, and multi-currency transaction platforms. You’ll be part of a business that combines deep financial services expertise with ambitious technology delivery, creating secure, scalable solutions for a fast-moving international market. You’ll work closely with senior engineering leadership and have real influence over architecture, tooling, and technical direction.
The Role
You’ll be responsible for designing, building, and improving cloud-native systems in a modern engineering environment. This role is ideal for someone who enjoys solving complex backend challenges, working across distributed systems, and exploring the practical use of AI within product development.
What You’ll Be Doing
- Building and maintaining backend services in Node.js, including APIs, microservices, and event-driven systems
- Designing and deploying applications in AWS, using services such as Lambda, API Gateway, S3, RDS, and IAM
- Working with Kubernetes for container orchestration, scaling, and deployment
- Designing and optimising PostgreSQL schemas for performance, resilience, and scalability
- Enhancing multi-tenant SaaS platforms with a strong focus on security and robustness
- Developing and integrating REST APIs across internal and external systems
- Implementing event-driven and asynchronous architecture patterns
- Integrating LLM and AI APIs such as OpenAI and Anthropic to support intelligent product features including automation, summarisation, and analysis
- Contributing to CI/CD pipelines and automated deployment processes
- Collaborating with frontend engineers working with React and TypeScript
- Helping shape architectural decisions and driving continuous technical improvement
What We’re Looking For
- Around 4+ years’ experience in backend or full stack engineering
- Strong commercial experience with Node.js
- Strong knowledge of AWS, especially serverless and cloud-native architecture
- Experience with Kubernetes in production environments
- Solid expertise in PostgreSQL, including schema design and optimisation
- Good understanding of SaaS architecture, scalability, multi-tenancy, and security
- Experience building and integrating RESTful APIs
- Knowledge of event-driven and asynchronous systems
- Experience working with LLM/AI integrations
- Exposure to CI/CD pipelines and modern engineering workflows
- Familiarity with React and TypeScript
- Fluent English and Russian
- EU work eligibility
Nice to Have
- Experience in fintech, especially payments, wallets, card issuing, or ledger platforms
- Familiarity with KYC/KYB processes
- Knowledge of regulatory and security frameworks such as PSD2, DORA, or PCI DSS
Why This Role?
- Fully remote role within an international engineering team
- Opportunity to work on modern cloud-native fintech platforms
- Real ownership and influence over architecture and technical decisions
- Strong exposure to AI-driven product development
- A business that values initiative, autonomy, and engineering quality
If you’re a strong engineer who enjoys building scalable systems, thrives in cloud environments, and wants to work on ambitious fintech and AI-led products, this is a role worth exploring.
Senior Full Stack Engineer Node.js | AWS | Kubernetes | AI in London employer: www.cardandpaymentjobs.com
Join a high-growth fintech business that champions innovation and autonomy, offering a fully remote role within an international engineering team. With a strong focus on modern cloud-native platforms and AI-driven product development, you'll have the opportunity to influence architectural decisions and work on cutting-edge technology in a supportive and dynamic work culture that prioritises initiative and engineering excellence.
Contact Details:
www.cardandpaymentjobs.com Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Engineer Node.js | AWS | Kubernetes | AI in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space or tech communities. Attend meetups, webinars, or online events where you can chat with industry folks. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Node.js, AWS, and Kubernetes. Share it on platforms like GitHub or your personal website. This gives potential employers a taste of what you can do!
✨Tip Number 3
Prepare for interviews by brushing up on common technical questions related to full stack engineering. Practice coding challenges and system design scenarios. We recommend using platforms that simulate real interview environments to get comfortable.
✨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 take the initiative to connect directly with us!
We think you need these skills to ace Senior Full Stack Engineer Node.js | AWS | Kubernetes | AI 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 Node.js, AWS, and Kubernetes experience, and don’t forget to mention any AI projects you've worked on!
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 in fintech aligns with our mission at StudySmarter. Keep it engaging and personal.
Showcase Your Projects:If you’ve got any relevant projects or contributions to open-source, make sure to include them. We love seeing practical examples of your work, especially if they involve cloud-native systems or AI integrations.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to see your application and get you into our hiring process quickly. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at www.cardandpaymentjobs.com
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Node.js, AWS, and Kubernetes. Brush up on your knowledge of cloud-native architecture and be ready to discuss how you've used these technologies in past projects. Prepare specific examples that showcase your experience with backend services and APIs.
✨Showcase Your Problem-Solving Skills
Be prepared to tackle complex backend challenges during the interview. Think of scenarios where you’ve solved difficult problems, especially those involving event-driven systems or multi-tenant architectures. Highlight your thought process and how you approached these challenges.
✨Familiarise Yourself with AI Integrations
Since this role involves integrating AI features, brush up on your knowledge of LLMs and AI APIs like OpenAI. Be ready to discuss how you would implement these technologies in a fintech context, and think about any relevant projects you’ve worked on that involved AI.
✨Understand the Business Context
Research the fintech industry and understand the regulatory frameworks like PSD2 or PCI DSS. Being able to discuss how your technical skills can contribute to secure and scalable payment solutions will show that you’re not just a techie but also understand the business side of things.
