Senior Full Stack Engineer - Fintech Startup

London Bridge | Hybrid (2-3 days onsite) | Competitive Salary + Equity | High-Impact Role

Candidates must have the right to work in the UK as we are unable to provide visa sponsorship at this time.

As this role requires 2-3 days per week in our London Bridge office, candidates should be able to reliably commute to London Bridge.

Our Mission

At QDEX, our mission is to simplify access to lending for everyone. Our intuitive, data-driven platform empowers financial intermediaries to match customers with the most suitable loans in seconds, creating better outcomes for both lenders and borrowers. By combining smart technology with a clear purpose, we're transforming how people access credit. We call it Credit Made Simple.

Why Join Us?

This is an exciting opportunity to join a well-funded startup led by founders who have scaled businesses to 9-figure revenues. As our second engineer, you'll have a significant impact as we go from 0 to 1 and beyond. You'll be part of a small, world-class team united in our passion for making things better.

If you're looking for an opportunity where you can challenge yourself, shape a product from the ground up, and grow with the support of a seasoned team, read on.

What You'll Be Doing

• Build and architect scalable frontend and backend systems that form the foundation of our platform.
• Work closely with design and users to implement intuitive interfaces that simplify complex workflows.
• Support product discovery by helping validate the technical feasibility of new features.
• Iterate rapidly based on client feedback, refining features in close collaboration with users to deliver impactful solutions.
• Develop secure and reliable backend services, from API design to database architecture.
• Shape our technical foundation by establishing coding standards and development practices as an early engineering hire.
• Champion quality and security through comprehensive testing, thoughtful code reviews, and secure development practices.
• Contribute to product strategy discussions, bringing a technical perspective to key decisions.

What Were Looking For

Mindset

• A self-starter mentality - you take ownership and love solving complex technical challenges.
• Passion for creating high-quality, maintainable solutions that scale.
• Enthusiasm for working in a client-led environment where user feedback drives development.
• A collaborative approach, thriving in cross-functional teams while working autonomously.

Essential Experience

• 5+ years of experience building production-grade applications.
• Strong track record of delivering full-stack solutions in fast-paced environments.
• Experience establishing technical standards and best practices.
• Proven ability to work directly with users and stakeholders to understand. Requirements.
• Experience with modern development workflows, including code review and CI/CD.
• Technical skills
  • Frontend: React, TypeScript, Next.js, modern CSS methodologies
  • Backend: Python, FastAPI, PostgreSQL
  • Development Tools: Git, CI/CD, testing frameworks
  • Data Handling & APIs: RESTful APIs, microservices, secure fintech data processing

Nice-to-Haves

• Experience with cloud platforms (AWS/GCP/Azure).
• Knowledge of containerization (Docker, Kubernetes).
• Experience working in fintech or with financial data.
• Background in early-stage startups.

Benefits

• Competitive salary and equity in the company
• Comprehensive private healthcare coverage
• 25 days annual leave + public holidays
• Your birthday off as an extra holiday
• Pension scheme
• Hybrid work model typically 3 days a week in our London Bridge office (Mondays, Wednesdays & Thursdays) occasionally it could me more based on workload

We foster an environment where diversity powers innovation, and inclusion is fundamental to our success. Every individual brings valuable perspectives that enrich our workplace. We are committed to creating a professional community that welcomes and respects all backgrounds, identities, and experiences, ensuring equal opportunities for everyone to contribute and excel.

Our values

Get out of the building

We prioritize understanding our users' needs by engaging directly with them to build solutions grounded in real-world insights. Our client-led development approach ensures we're solving genuine problems, not just building features.

More heads are better than one

We champion open communication, diverse perspectives, and collaborative problem-solving. We believe the best solutions emerge when we combine our different strengths and experiences.

Be the river, not the rock

Adaptability drives impact and growth. We welcome new ideas, challenges, and opportunities to innovate and continuously improve. Like a river, we find ways forward while staying true to our course.

Quality today, better tomorrow

We build strong foundations that power rapid iterations to deliver ever-greater customer value. We balance pragmatism with excellence, knowing that perfect is the enemy of progress.

4-Stage Interview Process

• Initial screening call with the Head of Engineering
• Technical interview
• Product interview
• Final interview

Were a team of builders, creators, and fintech enthusiasts crafting the next big thing in finance. Join us to build something amazing! We value attention to detail and creative problem-solving. A well-placed mention of the fruit that tops a Hawaiian pizza in your answer to 'What interests you about joining QDEX?' will ensure your application stands out.