Overview

Senior Full Stack Software Engineer – London, United Kingdom. Hybrid work arrangement: 1–2 days in the office (Central London).

Our client is a UK-based financial services provider launching credit card, personal loans and insurance offerings focused on fair, flexible, and user-friendly products. The organization aims to empower individuals by improving their understanding and control of personal finance through clarity, intelligence, and technology.

For more information, contact Katie at Matched Group. Roles include Full Stack Mobile Engineer / Full Stack Mobile Developer / Mobile Engineer / Mobile Developer / App Developer / App Engineer.

Responsibilities

• Design, develop, and maintain advanced applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Guide and develop the skills of junior engineers.
• Maintain code and write automated tests to ensure high quality.
• Lead the development team in implementing methodologies that enhance project quality and speed.
• Troubleshoot and debug to optimize performance.
• Provide code reviews, feedback, and mentorship to junior developers.
• Stay up-to-date with new technology trends, applications, and protocols.

Experience and Qualifications

• Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio.
• Expertise in Node.js and AWS Lambda for serverless backend services.
• Proficiency in React with Next.js for frontend development.
• Proficiency in TypeScript and infrastructure as code using Terraform.
• Understanding of RESTful APIs and web application architecture.
• Experience in a startup environment.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• Familiarity with RESTful APIs and mobile networking libraries.
• Experience with automated testing suites (e.g., Jest or Mocha).
• Excellent problem-solving skills and algorithmic thinking.
• Experience with cloud messaging APIs and push notifications.
• Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play).
• Understanding of secure coding practices.
• Excellent written and verbal communication skills.

Role Details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology and Engineering
• Industries: Financial Services, Technology, Information and Media, Software Development

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