Full Stack Engineer • Senior

Who you are

You are a highly experienced Senior Full Stack Engineer with deep expertise in TypeScript — you have a proven track record of designing and building scalable applications that meet business needs. Your experience spans both frontend and backend development, allowing you to contribute effectively across the entire stack. You are passionate about writing clean, efficient, and maintainable code, and you take pride in ensuring high code quality and performance.

You thrive in collaborative environments and enjoy working closely with product, design, and data teams — your strong communication skills enable you to translate complex technical concepts into actionable insights for non-technical stakeholders. You have a keen eye for detail and are committed to best practices in software development, including test coverage and reliability.

You are also a mentor at heart — you enjoy sharing your knowledge with others and helping junior engineers grow in their careers. You understand the importance of fostering a culture of collaboration and technical excellence within your team.

Desirable

Experience with Python is a plus, as it complements your TypeScript skills and enhances your versatility as a full-stack engineer. Familiarity with modern frameworks and tools will further strengthen your contributions to the team.

What you'll do

In this role, you will be instrumental in developing and maintaining full-stack applications using TypeScript — your responsibilities will include building both frontend and backend components that are robust and scalable. You will participate in architecture design discussions, helping to shape the technical direction of the product and make decisions about frameworks and tools.

You will collaborate closely with cross-functional teams to understand business needs and translate them into technical solutions — your ability to work with product and design teams will be crucial in delivering high-quality user experiences. You will also take responsibility for ensuring that the applications you build are reliable and performant, contributing to the overall success of StoreTrials.

What we offer

G2i Inc. offers a competitive salary of up to £130,000 GBP per annum, along with performance bonuses and equity in the company. You will have the opportunity to work on cutting-edge technology in the shopper insights and virtual retail space, all while being part of a collaborative and high-skill environment. The office is located in Old Street, London, with hybrid flexibility allowing you to work in-office three days a week. If you are excited about innovation and data-driven decisions, we encourage you to apply even if your experience doesn't match every requirement.