Full Stack Software Developer

We are looking for a versatile, passionate Full Stack Software Developer to join us in building a brand-new, greenfield B2B data and visualisation software platform for an exciting new business venture. This venture offers the agility of a startup with the stability of a global powerhouse. We are proudly supported by International Consumer Research & Testing (ICRT) and its global network of over 25 member organisations. Our partners include household names like Which? (UK), Test-Achats (Belgium), Consumentenbond (Netherlands), and Que Choisir Ensemble (France).

If you love software development, thrive on working across multiple systems, and are hungry to grow professionally in a dynamic environment, we want to hear from you. Who You AreYou are a highly structured self-starter who brings a positive attitude to the team. You are a highly autonomous, product-minded Full Stack Developer who loves bringing new ideas to the market quickly. You thrive in data-heavy, greenfield environments, balancing the need for rapid prototyping and MVP delivery with clean, maintainable architecture. You don’t just write code; you understand the business goals behind customer tiering and data viz, and you design and develop software that directly supports those goals. Alongside your strong programming background you are a good communicator who contributes to a fun, collaborative and flexible working environment. Your Technical ProfileYou hold a degree in Computer Science or Software Engineering.You have 5+ years of proven back-end software development experience.You have solid experience with PostgreSQL.You are highly proficient in JavaScript or Go.You have experience building back-end APIs.You have solid experience with interactive dashboards using viz libraries (e.g., Vue, D3.js, Chart.js, Recharts, or Apache ECharts)An eye for design, with experience in UI/UX development to round out your full-stack capabilities.You have experience building multi-tenant SaaS apps, authorisation frameworks, and feature-gatingYou have experience with data integration, database schema design, and ETL/ELT pipelines.You possess a strong interest or foundational experience in Data Science.You leverage AI development tools to accelerate speed, but you possess the strong engineering judgment required to vet AI-generated code for security, efficiency, and strict data compliance.Requirement: You must be fluent in English and possess a valid permit to work in the UK. Bonus PointsWhile not strictly required, you will stand out if you bring any of the following to the table: Broader experience with other relational databases.Experience with cloud platforms, specifically AWS and containerisation (Docker) .Experience building custom Business Intelligence (BI) tools or interactive reporting dashboards.Experience coding in Python for data processing.

What We OfferCompetitive Compensation: An attractive salary alongside an excellent benefits package.Flexibility: A London-based role offering a hybrid working model to suit your lifestyle.Culture: A friendly, flexible, and supportive team environment.