Job DetailsThis job is with Kantar, an inclusive employer and a member of my Gwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in. To start a career that is out of the ordinary, please apply...Why this job is importantYou'll play a key role in designing and building scalable, high‐quality web applications that are relied on every day. Working across the full stack, you'll take ownership of complex features from idea through to production, influencing technical decisions and shaping how systems are built and improved over time. This role offers the chance to tackle meaningful engineering challenges, balance performance with usability, and make a visible impact through clean, secure, and well‐designed solutions.What You'll Be DoingDesigning and building scalable, event‐driven backend services using Type Script and Node.jsWorking across the stack, from APIs and data layers through to React‐based frontendsCollaborating with product partners to shape solutions that meet real user and business needsChampioning clean, secure, and well‐tested code through reviews and shared standardsSupporting and mentoring others, contributing to a strong, inclusive engineering cultureWhat You'll BringYou don\'t need to tick every box to apply. We\'re interested in your experience, mindset and willingness to learn.Solid experience building backend services with Type Script, Node.js, and REST APIsExperience designing scalable systems, ideally using microservices or event‐driven patternsWorking knowledge of databases such as Postgre SQL and RedisFrontend experience with ReactA collaborative approach and confidence communicating technical ideas clearlyNice To Have, But Not EssentialExperience with authentication and authorisation (e.g. JWT, SSO)Exposure to Kafka, Rabbit MQ, or similar messaging platformsFamiliarity with CI/CD, containers, or cloud platforms such as AWS, Azure, or GCPExperience with RubyWhat\'s In It For YouFlexible hybrid workingUp to 25 days off, plus your birthday off and two days paid for volunteeringMeal card and flexible benefits where you are allocated funds to spend on a variety of benefits such as transport cost, education related and moreWe are not able to offer visa sponsorship or assist with relocation support for this role. Please ensure you have the right to work in the country where this role is located before applying.LocationPorto, R. Dom João I, PortugalKantar Rewards StatementAt Kantar we have an integrated way of rewarding our people based around a simple, clear and consistent set of principles. Our approach helps to ensure we are market competitive and also to support a pay for performance culture, where your reward and career progression opportunities are linked to what you deliver.We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in. Apply for a career that\'s out of the ordinary and join us.We want to create an equality of opportunity in a fair and supportive working environment where people feel included, accepted and are allowed to flourish in a space where their mental health and well being is taken into consideration.We want to create a more diverse community to expand our talent pool, be locally representative, drive diversity of thinking and better commercial outcomes.Kantar is the world\'s leading data, insights and consulting company. We understand more about how people think, feel, shop, share, vote and view than anyone else. Combining our expertise in human understanding with advanced technologies, Kantar\'s 30,000 people help the world\'s leading organisations succeed and grow.