Full Stack Engineer

Full Stack Engineer

York Full-Time 45000 - 75000 Β£ / year (est.) No home office possible
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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, agile team.
  • Benefits: Competitive salary, remote work, and opportunities for professional growth.
  • Why this job: Work with modern tech to reshape financial processes and gain hands-on experience.
  • Qualifications: Experience in Full Stack Engineering, strong skills in Node.js, React.js, and TypeScript.
  • Other info: Dynamic environment with excellent learning and development opportunities.

The predicted salary is between 45000 - 75000 Β£ per year.

Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up

Location: Remote EU – Spain

Salary: Β£70K – Β£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.

Full Stack Engineer employer: Thyme

Join a forward-thinking FinTech company that prioritises innovation and employee growth, offering a remote-first work culture with the flexibility of an office in Central London. As a Full Stack Engineer, you'll be part of a dynamic team where your contributions directly impact the company's success, all while enjoying opportunities for professional development and working with cutting-edge technologies.
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Contact Detail:

Thyme Recruiting Team

StudySmarter Expert Advice 🀫

We think this is how you could land Full Stack Engineer

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech world, especially those in FinTech. A friendly chat can lead to insider info about job openings or even referrals that could land you an interview.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Node.js and TypeScript. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for technical interviews by brushing up on your coding skills and understanding microservices architecture. Practice common interview questions and coding challenges to boost your confidence.

✨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 Full Stack Engineer

Node.js
TypeScript
React.js
AWS
Serverless Computing
Microservices Architecture
Backend Development
API Development
Scalability
Performance Optimisation
Security Best Practices
Agile Methodologies
Problem-Solving Skills
Collaboration Skills

Some tips for your application 🫑

Tailor Your CV: Make sure your CV highlights your experience with Node.js, TypeScript, and microservices. We want to see how your skills align with what we’re looking for, so don’t be shy about showcasing relevant projects!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about the role and how you can contribute to our mission of revolutionising finances. Keep it personal and engaging – we love a good story!

Showcase Your Projects: If you’ve worked on any cool projects, especially those involving AWS or serverless tech, make sure to mention them. We’re keen to see your hands-on experience and how you’ve tackled challenges in the past.

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 from our team!

How to prepare for a job interview at Thyme

✨Know Your Tech Stack

Make sure you’re well-versed in Node.js, TypeScript, and React.js. Brush up on your knowledge of AWS and serverless technologies too. Being able to discuss your experience with these tools confidently will show that you’re a great fit for the role.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous projects, especially related to backend development and microservices architecture. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight how you contributed to successful outcomes.

✨Understand the Company’s Vision

Research the company’s mission to revolutionise financial processes. Be ready to explain how your skills and experiences align with their goals. This shows genuine interest and helps you stand out as a candidate who is not just looking for any job, but specifically this one.

✨Ask Insightful Questions

Prepare thoughtful questions about the team dynamics, the tech stack, and the company’s future plans. This not only demonstrates your enthusiasm for the role but also gives you a chance to assess if the company culture aligns with your values.

Full Stack Engineer
Thyme
Location: York

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