Software Engineer - Frontend (Time Management API, fixed-term contract)

Company Description

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, 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

About the role

The contract will be fixed-term, with the duration dependent on the length of the maternity leave.

As a Time Management API team, we are working on very interesting problems that help and impact the work of 300,000+ Tesco employees. We have a very experienced team, and we emphasize quality, development, learning, and sharing our knowledge and experience. Our API handles over 150 million requests per month while keeping P90 response time below 25ms and error rate below 0.01%. Our vision is to deliver cutting-edge, strategic API solutions to manage contracts and schedules, enhancing the experience for colleagues and managers through our advanced compute engines. We are authoritative source for colleague contractual shift and schedule data for all Tesco business entities, reliably providing this data for many consumer systems and expanding our reach to include new colleague populations. By providing this data, we will empower colleagues to work more flexibly.

You will be responsible for

You will be solving problems, and developing new features through quality, scalable, performant, and maintainable technical solutions. The solutions that you and your team will be responsible for will have a global reach, impacting hundreds of thousands of Tesco colleagues.

We operate in a DevOps philosophy. We take responsibility for the software through its entire lifecycle. We practice continuous integration, delivery, and support of our code through to production and beyond.

Primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux) and Node JS. You will ensure that these components and the overall application are secure, performant, robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated design and quality product is important.  

Whilst specific responsibilities will be dependent upon the changing needs of the Tesco business, the following provides an overview of the role’s key responsibilities and measures:

• Be a coder; review and contribute code.

• Be proactive and take strong ownership.

• Design: design, propose and review architecture design.

• Focus on performance, availability, reliability, and security.

• Cross-platform, lightweight & mobile-first progressive web applications by design.

• Contribute to the definition of features for services owned by your team.

• Effectively communicate your and your team’s progress to your team members, your manager, and wider Tesco colleagues.

• Develop new user-facing features and maintaining existing features using React.js with Typescript and Redux / Mobex.

• Build reusable components and front-end libraries for future use.  

• Translate designs and wireframes into high quality code.  

• Optimize components for maximum performance across a vast array of web-capable devices and browsers. 

You will need

Mandatory skills:

• 4+ years of commercial software development experience in JS / TypeScript.

• Experience in running and supporting software in production (dev-ops approach).

• Problem-solving, analysis, and computational skills. You are comfortable designing systems and reasoning about them. When tackling problems, you take a thorough and logical approach to solving them and you retain ownership through to resolution.

• Designing and developing systems for high availability and scalability.

• Depth of professional software engineering experience and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.

• JavaScript / TypeScript / React / Node.js

• Micro-frontend architecture

• Single Page Application

• Testing (e.g. Unit Tests, E2E Tests)

• Written & spoken English

Nice to Have:

• Experience working within an e-commerce or at-scale business where security, availability, and reliability are valued.

Unsure if you fit all the criteria? Apply and give us the chance to evaluate your potential – you could be the perfect fit!

Additional Information

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): 

• 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.