Tesco

Software Development Engineer II. (React Native)

Tesco  •  Hungary (Hybrid)  •  1 hour ago
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Job Description

Tesco Hungary Hybrid Full-Time Working hours 40 Apply by 31-Aug-2026

About the role

Let’sbuild the future of shopping together at Tesco Technology

We’relooking for React Native engineers to help build products used by millions of customers every day.

You’llwork on high-impact features, contribute to our cross-platform direction, and collaborate closely with Product, Design, and other engineers. The team is actively evolving how it builds, so there’srealopportunity to influence both the technical direction and the way we work.

Day to day,you’llbe turning ideas into simple, fast, and reliable mobile experiences. That includes building new features, improvingwhat’salready there, and making sure everything scales and performs well in real-world conditions.

The focus is straightforward:buildthings that work well,holdup at scale, and genuinelymakelife easier for customers.

Project spotlight: Whoosh (Tesco UK rapid delivery)

You may join work on Whoosh, Tesco’s market-leading rapid grocery delivery service in the UK.

  • Operates from 1,600 stores

  • Reaches 70%+ of UK households

  • Delivers in 20–30 minutes

  • Offers a significantly larger range than typical rapid delivery apps (2,500–4,500 products)

Whoosh is already embedded in the Tesco mobile app used across markets, including Hungary (currently turned off locally). While the app is native today (iOS and Android),we’reshifting towards React Native with Expo.

This createsa great opportunityto:

  • Build new features in React Native from scratch

  • Gradually migrate existing native functionality where it makes sense

  • Help shape how a large-scale app evolves towards a cross-platform setup

You’llbe joining a mixed team of experienced web, iOS, and Android engineers, many of whom are transitioning into React Native. Because of this, a big part of the role is helping raise the bar and shape how the team works across platforms over time.

Initially, your focus will be on React Native. Over time,you’llalso contribute to delivering features across both web and mobile, helping us keep the experience aligned across platforms.



What is in it for you
Tesco is a diverse and exciting employer, dedicated to being #aplacetogeton, providing career-defining opportunities to all of our colleagues. If you chose to join our business, we will provide you with:
  • Permanent contract from the go – as a sign of our trust in your abilities
  • Yearly salary bonus – based on both individual and business performance
  • Extensive private healthcare - complex care package including a wide range of specialists, medical services, and free flu vaccination
  • Cafeteria
  • Relocation Help - professional service to secure relevant working permits and other necessary documents
  • Learning opportunities - certified technical training and learning platforms like Udemy, Pluralsight, and O'Reilly
  • Referral Bonus
  • Learning culture and excellent opportunities to develop your career within your chosen field or something altogether new
  • Varied and exciting projects to play a part in – there is always something new and exciting in the pipeline
If that sounds exciting, then we'd love to hear from you.

You will be responsible for
  • Build high-quality mobile features using React Native (+ Expo)
  • Help shape architectural decisions for cross-platform development
  • Balance speed and quality while delivering customer-facing value
  • Collaborate across mobile, web, and platform teams
  • Tackle real-world mobile challenges—performance, device fragmentation, network constraints
  • Prototype, iterate, and turn ideas into production-ready features
  • Support and mentor teammates as the team grows into a cross-platform model

You will need
  • Strong experience building production React Native applications
  • Comfortable working across both mobile and web when needed, or open to picking it up
  • Confidence designing and scaling complex mobile architectures
  • Solid understanding of mobile platform constraints and trade-offs
  • Experience working with GraphQL APIs
  • Awareness of mobile accessibility best practices
  • Comfortable working across the full development lifecycle (design → build → release → iterate)
  • Familiarity with Agile / Lean environments (TDD, BDD, etc. are a plus)
  • A proactive mindset—ownership, curiosity, and a drive to improve things


About us
Tesco Business Solution and Tesco Technology were established in Budapest in 2019, supporting the Tesco retail business in Central Europe and the Tesco Group. TBST and Tesco Technology are part of our global business services and technology organisations within Tesco.
In the UK, Ireland, India, Hungary, Poland, the Czech Republic we operate to offer great value to our customers every day.
In Budapest, our Technology hub currently employs more than 200 – and a growing number – of highly trained software engineers and managers who are implementing global software development projects across fulfilment, supplier and product management, online and in-store loss prevention, and our online grocery sites.
Our goal is to bring significant changes to the market by using the latest technologies. We are focusing on a large variety of modern technologies from the backend space and frontend to UX, UI and even data science and engineering.
We are aiming to drive business value through innovation and to create an organization that fundamentally transforms the retail environment.
We put accountability and ownership on the individuals and their teams in order to run a horizontal organization where teamwork is extremely important. With an end-to-end approach, we offer our colleagues opportunities for self-development and career growth.
Our colleagues are the key to our success at Tesco. We foster an environment of openness and collaboration. We draw from the diversity, knowledge and experience of our colleagues. It is all about equal opportunities, no matter who you are, or where you come from, you can get on at Tesco.
Our teams consist of individuals who can truly make a difference. Focussing on building a world-class business services centre alongside cutting-edge technology capability, they are working towards our goal of serving our customers and colleagues a little better every day.
We are expanding our operations locally and we are looking for the best talent.
Tesco

About Tesco

One of the world’s largest retailers of consumer goods from food to fashion. Serving our customers, communities and planet a little better every day in our stores and online is at the heart of everything we do.

Founded in 1919 by Jack Cohen using the £30 he received on leaving the Royal Flying Corp, we’ve come a long way from his small market stall in East London. Today over 400,000 colleagues work across our stores, office, distribution and customer engagement centres in the UK, Europe and Asia.

Share our passion for the people, products and places that make us great, and we can offer the right support to develop your skills. If you’re looking for the perfect work-life balance, a collaborative culture and flexible ways of working, find your opportunity to get on at www.tesco-careers.com

Industry
Retail & Ecommerce
Company Size
10,000+ employees
Headquarters
Welwyn Garden City, GB
Year Founded
Unknown
Website
tesco.com
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