Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design, develop, and scale our FinTech platform with a focus on backend services.
- Company: Join a growing company revolutionising finance with a lean team of 10 engineers.
- Benefits: Enjoy remote work flexibility and opportunities for professional growth.
- Why this job: Be part of an innovative team reshaping financial processes with modern technology.
- Qualifications: Experience in Full Stack Engineering, strong skills in Node.js, React.js, and TypeScript required.
- Other info: Work remotely or from our Central London office.
The predicted salary is between 45000 - 75000 £ per year.
Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up
Location: Remote EU – Spain
Salary: £70K – £110K
About:
We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and retrieval-augmented generation (RAG) systems.
Key Responsibilities
- Design and develop scalable full-stack solutions involving both frontend (React/TypeScript) and backend (Java).
- Build and optimise AI/ML pipelines leveraging LLMs and RAG architectures.
- Develop SDKs and APIs to support AI-driven applications in resource-constrained or production-grade environments.
- Collaborate across engineering, product, and research teams to drive innovation in AI/ML-based products.
- Ensure high performance, testability, and reliability across the stack.
Key Qualifications
- Strong proficiency in Java and React/TypeScript
- Hands-on experience building and deploying LLM-based systems (e.g., OpenAI, Hugging Face Transformers, LangChain, etc.).
- Deep understanding of AI application architecture, including RAG systems, vector databases, prompt engineering, and fine-tuning.
- Experience with ML model serving, SDK development, and working in production-grade environments.
- Ability to work across the full stack and thrive in a fast-paced, collaborative environment.
- Product-focused engineer
What We Offer:
- The chance to work with cutting-edge hardware technologies in a high-growth environment.
- A collaborative team culture that values innovation and technical excellence.
- Competitive salary and benefits package.
Contact Detail:
Thyme Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Full Stack Engineer
✨Tip Number 1
Familiarise yourself with our tech stack, especially Node.js, TypeScript, and AWS. Being able to discuss specific projects or experiences where you've used these technologies will show your expertise and enthusiasm for the role.
✨Tip Number 2
Highlight any experience you have with microservices architecture. Be prepared to discuss how you've designed or worked with scalable systems in the past, as this is a key aspect of the role.
✨Tip Number 3
Showcase your problem-solving skills by preparing examples of challenges you've faced in previous projects. This will demonstrate your ability to think critically and adapt in a fast-paced environment.
✨Tip Number 4
Engage with our company culture by researching our values and mission. During discussions, express how your personal values align with ours, which can help you stand out as a candidate who fits well within our team.
We think you need these skills to ace Full Stack Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Node.js, TypeScript, and microservices architecture. Emphasise any relevant projects or roles that showcase your backend development skills.
Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention specific reasons why you want to work in FinTech and how your skills align with their needs, particularly in backend development.
Showcase Relevant Projects: If you have worked on projects involving AWS, serverless technologies, or microservices, be sure to include these in your application. Provide links to your GitHub or portfolio to demonstrate your coding abilities.
Highlight Continuous Learning: Mention any recent courses, certifications, or workshops related to Full Stack Engineering, especially those focusing on modern technologies like AWS or serverless computing. This shows your commitment to professional growth.
How to prepare for a job interview at Thyme
✨Showcase Your Technical Skills
Be prepared to discuss your experience with Node.js, TypeScript, and React.js in detail. Bring examples of projects you've worked on that demonstrate your proficiency in these technologies, especially focusing on backend development.
✨Understand Microservices Architecture
Since the role involves working with microservices, make sure you can explain how microservices work and their benefits. Be ready to discuss any relevant experience you have in designing or maintaining a microservices architecture.
✨Familiarise Yourself with AWS and Serverless Technologies
Research AWS services, particularly Lambda, and understand how serverless computing can streamline deployment processes. Being able to discuss how you've used these technologies in past projects will impress your interviewers.
✨Prepare Questions About the Company and Role
Demonstrate your interest in the company by preparing thoughtful questions about their FinTech platform and future goals. This shows that you're not only interested in the position but also in contributing to the company's success.
