Senior Platform Engineer Infrastructure - Developer Experience & Enablement Platform w Kraków, Polska

About the role We’re looking for a passionate and experienced Senior Platform Engineer to join our Developer Experience & Enablement Platform (DEEP) team. Within this team, we provide a trusted engineering foundation through reliable platform infrastructure, opinionated libraries and tooling, and clear golden paths. In this role, you'll design and build new intelligent capabilities of the platform that serves around 100 applications. This is a high-impact position where you’ll work holistically across the stack, dive into complex technical challenges, and help shape the future of Tesco’s technical landscape. What is in it for you Hybrid work We know life looks a little different for each of us. That’s why at Tesco, we always welcome chats about different flexible working options. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life-changing moments like becoming a carer, adapting to parenthood, or something else. So, talk to us throughout your application about how we can support. This role requires you to be based in or near Kraków, as you will spend 60% (3 days) of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Benefits Tesco is a diverse and exciting employer, dedicated to being #aplacetogeton, providing career-defining opportunities to all of our colleagues. If you choose to join our business, we will provide you with (for all): Up to 20% yearly salary bonus – based on both individual and business performance Permanent contract from the go – as a sign of our trust in your abilities Tax deductible expenses (IP) Private healthcare (LuxMed) Cafeteria & Multisport Additional 4 days of paid leave to support your well-being and family life Increase in annual leave (from 20 to 25 days) to those not yet eligible for the full holiday entitlement Learning opportunities - certified technical training and learning platforms like Udemy Back-to-school day – 1 day off for parents of primary school children Fertility leave – up to 2 weeks of paid leave for IVF treatment Sports activities with a personal trainer in the office Referral Bonus MacBook as your tool for work If that sounds exciting, then we'd love to hear from you! Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require You will be responsible for Architect and build new intelligent capabilities of the platform, including AI-driven workflows; write RFCs/ADRs and drive technical consensus. Develop and maintain infrastructure, shared libraries, and tooling that support engineering teams. Drive platform adoption by attracting new teams. Collaborate with product, architecture, programme, and engineering stakeholders to deliver cross-functional solutions. Promote engineering excellence through advanced engineering practices, automation, testing, and observability. You will need 8+ years of experience building and shipping production-grade infrastructure and/or applications. Deep understanding of cloud platforms (Azure, AWS, or GCP), infrastructure-as-code and networking fundamentals (DNS, TLS, ingress). Strong expertise in system design and full-stack development. Experience with Agile methodologies and cross-functional collaboration. Proven ability to own projects end-to-end, from concept to production. Excellent communication skills in English, with the ability to explain complex topics clearly. Experience mentoring engineers and fostering technical growth within teams. A holistic mindset — you care about reliability, performance, developer experience, and long-term impact. A proactive, self-driven attitude with a focus on delivering meaningful value. About us Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require. Want to get to know us better? Watch our team talk about our culture – YouTube What our colleagues like the most at Tesco: We develop our own products We make an impact; large scale of operation Accountability and respect are given to us We cooperate and support each other There are great colleagues who are divided into small teams here We can develop and learn new things Discover how our colleagues shape Tesco’s tomorrow.