Senior Software Engineer - Frontend (Enabling Functions)
Przy Rondzie 4, Kraków
Tesco Technology
About the role
We are looking for a passionate Senior Front-End Developer to join our Enabling Functions - Colleague team, working alongside 8 talented colleagues who deliver critical functionalities for Tesco. In this role, you will play a key part in building and maintaining applications that support essential financial processes for our Tesco colleagues worldwide.
Your responsibilities will include developing features related to bonus calculations, payslips, absence management, and contributing to the global careers website. You will collaborate closely with cross-functional teams to ensure our solutions are reliable, scalable, and user-friendly.
What is in it for you
Hybrid working
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):
Permanent contract from the go – as a sign of our trust in your abilities
MacBook as your tool for work
Learning opportunities - certified technical training and learning platforms like Udemy
Referral Bonus
Sports activities with a personal trainer in the office
Benefits for colleagues on employment of contract only:
Additional 4 days of paid leave to support your well-being and family life
Up to 20% yearly salary bonus – based on both individual and business performance
Private healthcare (LuxMed)
Cafeteria & Multisport
Supporting those, who are not yet eligible for full holiday entitlement, by expanding their pool from 20 to 25 days
Relocation Help
IP Tax Deductible Costs
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
Using your in-depth knowledge of JavaScript, TypeScript, React, Node, and the ecosystem of tools to develop and implement scalable frontend systems
Profiling and optimising the code
Applying understanding of cohesion and architectural principles to create well-structured, maintainable software
Identifying patterns in code and refactoring the code towards them where it increases understanding and/or maintainabilitywith minimal guidance
Translating requirements into tasks & code
Developing high-quality code that can lead to rapid delivery, ruthlessly pursuing continuous integration and delivery - CI/CD
Committing code early and often, demonstrating understanding of version control & branching strategies
Automating everything by default
Writing secure code by default
Writing maintainable code and observing basic hygiene practices
Implementing relevant project instrumentation
Following the best practices of continuous BDD/TDD/PerformanceSecurity/Smoke testing
Working effectively with product stakeholders to communicate and translate needs into product improvements
Leading group discussions on system design and understanding the domain well enough to work with Product Managers to drive value
Supporting production systems, resolving incidents and performing root cause analysis
Debugging/finding complex problems and supporting/maintainingthe software solution
Sharing knowledge with the wider engineering community
Mentoring and developing others around you
Producing proof of concepts to evaluate new tools
You will need
Must have
We are seeking individuals with a passion for Technology. You will demonstrate experience with different platforms and technologies. We expect to see some or all of the following:
6+ years of commercial experience as a Frontend Software Developer
Best practices regarding all aspects of web development, including design, semantic HTML markup, CSS, TypeScript, and related technologies
Exposure to a variety of JavaScript frameworks and libraries such as: React, Redux, React-Router and testing with React Testing Library Jest, Cypress, Playwright, Jasmine, Enzyme, and Mocha.
Experience of using Node.js to create high-traffic applications. Perhaps using Express.js, Sails, Koa or similar
Awareness and practice of UI performance best practices
Understanding and exposure to integrating REST API endpoints
Strong experience and understanding of industry standard web accessibility, web design & usability, to support sites cross browser/platformdevices
A desire to write readable, maintainable, modular, and extendable code
Exposure to the DevOps model
Experience in Lean and Agile environments and understanding of principles behind methodologies such as: BDD, ATDD, and TDD
Nice to have
Familiarity with digital advertising platforms such as Google Ads, or other competing ad servers, especially in the context of media delivery and monetization strategies.
Bringing multiple viewport, responsive and adaptive web designs to life
Modern JavaScript/TypeScript frameworks, including Micro Frontends or Next.js
Developing web applications within the constraints of "non-standard" devices
About us
Tesco is a leading multinational retailer, with more than 330 000 colleagues.
Our software is used by millions of people across several countries every day. Whether it’s the tills and websites our customers use, or the systems our colleagues and partners use, you’ll play your part in keeping it running like a well-oiled machine. And when a business problem pops up? You and the creative minds in our team will be challenged to solve it.
As Tech Hub we cooperate within the group of Tesco Technology Hubs located in the UK, Poland, Hungary, Czech Republic and India.
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

Tesco Technology is growing rapidly in Poland. The number of IT specialists has increased more than sevenfold (from 35 to 257) over the past three years, highlighting the rapid expansion of our tech hub and the abundant ...
Senior Software Engineer - Frontend (Enabling Functions)
Senior Software Engineer - Frontend (Enabling Functions)
Przy Rondzie 4, Kraków
Tesco Technology