Full Stack Engineer (Backend Heavy) in London

Full Stack Engineer (Backend Heavy) in London

London Full-Time 50000 - 70000 £ / year (est.) Remote
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At a Glance

  • Tasks: Design and build scalable backend services while collaborating with a dynamic team.
  • Company: Join a fast-growing healthtech company with a focus on innovation.
  • Benefits: Competitive salary, potential share options, and professional development opportunities.
  • Other info: Fully remote role with flexible start dates and a commitment to diversity and inclusion.
  • Why this job: Make a real impact by shaping the platform infrastructure in a supportive environment.
  • Qualifications: 2-3 years of experience in backend systems and proficiency in modern frontend frameworks.

The predicted salary is between 50000 - 70000 £ per year.

We are looking for a Full Stack Engineer (Backend Heavy) to join our growing India‑based development team. You will work across the full stack but spend the majority of your time designing, building and scaling the backend services and APIs that power EMMA. This is a hands‑on engineering role where you will take ownership of core platform infrastructure, collaborate with our UK‑based product and engineering teams, and help us scale a system that is growing fast.

What You Will Do

  • Architect, develop and optimise scalable, secure backend services using Node.js, TypeScript, and NestJS within a distributed microservices architecture.
  • Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities.
  • Design, optimise and maintain MySQL databases for high‑performance, high‑availability applications.
  • Contribute to CI/CD pipelines and automate build, test and deployment processes using Azure DevOps and Docker.
  • Write high‑quality, maintainable code and conduct thorough code reviews to uphold engineering standards across the team.
  • Collaborate with Product Owners, Business Analysts, UX Designers and fellow engineers to understand requirements and deliver robust end‑to‑end solutions.
  • Mentor team members on backend and frontend development best practices, with a focus on building scalable and efficient systems.
  • Advocate for best practices in software development, DevOps and agile methodologies to ensure a secure, reliable and performant platform.

Requirements

ESSENTIAL

  • Minimum 2‑3 years of experience building scalable, distributed backend systems using Node.js and TypeScript.
  • Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks.
  • Strong understanding of distributed systems, microservice architecture and API design.
  • Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints.
  • Experience building responsive UIs using React, Next.js, Redux and TypeScript, with solid understanding of component‑based architecture and state management.
  • Proficiency in designing and optimising MySQL databases for high‑performance applications.
  • Hands‑on experience with Azure or similar cloud platforms for hosting, scaling and monitoring applications.
  • Familiarity with CI/CD pipelines using tools like Azure DevOps and containerisation with Docker.
  • Deep understanding of secure coding practices, authentication mechanisms and API gateways.
  • Strong analytical skills with the ability to break down complex problems into atomic units of work.
  • Excellent written and verbal communication skills, comfortable collaborating asynchronously with a UK‑based team.
  • Comfortable working remotely and aligning to UK business hours (9:00 AM to 6:00 PM GMT/BST).

DESIRABLE

  • Experience working on high‑traffic platforms or products serving large user bases at scale.
  • Experience with Ionic or similar hybrid mobile application development frameworks.
  • Advanced Azure capabilities such as Kubernetes, CosmosDB and API Management.
  • Familiarity with Firebase for notifications and real‑time features.
  • Proven ability to mentor junior team members and lead by example.
  • Experience with NestJS or similar backend frameworks.

LOGISTICS

  • Education: We value skills and experience over formal qualifications.
  • Working arrangements: Fully remote from India, aligned to UK business hours (9:00 AM to 6:00 PM GMT/BST).
  • Start date: Flexible.

Benefits

  • Competitive package depending on experience.
  • Potential share options.
  • Professional development including conference attendance and CPD support.
  • The opportunity to shape the platform infrastructure at one of the UK's fastest‑growing healthtech companies.
  • Remote working with a collaborative, supportive team.

DIVERSITY AND INCLUSION

We believe diverse teams build better products. We welcome applications from candidates of all backgrounds, and we are committed to creating an inclusive environment where everyone can do their best work. If you are excited about this role but do not meet every requirement, we would still love to hear from you.

RECRUITMENT SAFETY NOTICE

QuantumLoopAI will never ask candidates for payment or sensitive financial information during the recruitment process. All official communications come from @quantumloopai.com email addresses.

Full Stack Engineer (Backend Heavy) in London employer: QuantumLoopAi

QuantumLoopAI is an exceptional employer, offering a unique opportunity for qualified NHS GPs to transition into a commercial role while leveraging their clinical expertise. With a strong focus on employee growth, the company provides comprehensive B2B sales training and direct mentorship from senior leaders, ensuring that your career progression is based on merit. Located in the vibrant Canary Wharf area, employees benefit from excellent transport links and a supportive work culture that values innovation and collaboration in improving patient access through technology.

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Contact Details:

QuantumLoopAi Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Full Stack Engineer (Backend Heavy) in London

✨Join Local Tech Meetups

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✨Contribute to Open Source Projects

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✨Tap into Online Developer Communities

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✨Explore Job Boards Specifically for Tech Roles

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We think you need these skills to ace Full Stack Engineer (Backend Heavy) in London

Node.js
TypeScript
NestJS
Microservices Architecture
API Design
RESTful APIs
GraphQL

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at QuantumLoopAi.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at QuantumLoopAi and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at QuantumLoopAi

✨Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

✨Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If QuantumLoopAi uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

✨Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

✨Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.