At a Glance
- Tasks: Join an agile team to develop Tesco's xAPI, enhancing online shopping experiences.
- Company: Be part of Tesco, a leading retailer with a commitment to innovation and customer satisfaction.
- Benefits: Enjoy flexible working, competitive salary, and opportunities for professional growth.
- Other info: Collaborate with talented engineers in a supportive and dynamic environment.
- Why this job: Make a real impact on millions of customers while working with cutting-edge technologies.
- Qualifications: 7+ years in backend development with expertise in JavaScript, TypeScript, and Node.js.
The predicted salary is between 70000 - 90000 £ per year.
About the role
As a backend development Engineer, you’ll be working in an agile team of industry leading engineers to define and develop Tesco’s xAPI (Experience API) that powers Tesco’s various shopping experiences i.e., tesco.com, the mobile shop application, store and other internal facing applications. You’ll be a passionate, pragmatic Engineer with an inquisitive mind who is motivated to make change for the better and most importantly put our customer first. You’ll enjoy working as part of a team, liaise with product and program managers to understand requirements and build new software or extend existing software. You are a keen problem solver with the expertise and experience building extensible, maintainable, highly available, scalable, performant and observable quality software, comfortable with modern engineering practices and backend development technologies. You’ll use innovation to improve the customer experience and efficiency of engineering teams. The solutions that you will be responsible for will have a global reach, impacting millions of customers.
Some of the tech we are using at scale: Javascript, Typescript, Node.JS, GraphQL, REST, Kafka, Azure Cloud, Redis, Varnish Cache, Apollo Federation, Docker, Kubernetes etc.
About the team
Tesco’s xAPI (Experience API) powers Tesco’s online shopping, enabling customers to discover and shop online from diverse client applications & devices i.e. web, mobile-apps, tills in-store, scan‑as‑you‑shop, tablets, voice assistants etc. We, the xAPI team, build products that provide the experience APIs (GraphQL) for building client applications and handle all the device traffic to support the user experience for the end‑user’s shopping lifecycle from product discovery to purchase to returns and refunds, shopping history. We build, develop and maintain massive scale, highly performant REST/GraphQL API services, backend‑for‑frontend services that enable ease of client application development and our success is the difference between millions of happy customers or millions of missed opportunities. We are building systems to solve real‑world problems at scale, impacting tens of millions of customers. Teams of great Engineers (and Managers and Product Managers) to learn from. We are agile and enlightened in our approach to building software and teams. There’s a great atmosphere and we work sustainably as a team. Tesco has a “do the right thing” mentality. We promote flexible working.
Job Responsibilities
- Use your in‑depth knowledge of JavaScript, TypeScript, Node.JS, cloud and the backend services ecosystem to develop and deploy scalable backend systems.
- Work with product managers to understand business/product requirements.
- Translate requirements into tasks & code.
- Commit code early and often, demonstrating understanding of version control & branching strategies.
- Automate everything by default.
- Write secure code by default.
- Write maintainable code and observe basic hygiene practices.
- Implement relevant project instrumentation.
- Profile and optimise code.
- Apply understanding of cohesion and the SOLID principles to create well‑structured, maintainable software.
- Identify patterns in code and refactor the code towards them where it increases understanding and/or maintainability with minimal guidance.
- Produce test‑driven features in a specific programming language and demonstrate familiarity with TDD.
- Follow the best practices of continuous BDD/TDD/Performance/Security/Smoke testing.
- Work effectively with product stakeholders to communicate and translate needs into product improvements.
- Lead group discussions on system design and understand domain well enough to work with Product Managers to drive value.
- Support production systems, resolve incidents and perform root cause analysis.
- Debug/find complex problems and support/maintain the software solution.
- Share knowledge with the wider engineering community.
- Mentor and develop others around you.
- Produce proof of concepts to evaluate new tools.
You will need
We are looking for people who have a passion for Technology. You will demonstrate experience of different platforms and technologies. We expect to see some or all of the following:
- 7+ Years professional experience as a Backend Software Developer.
- At least 4 years of experience in backend development using JavaScript, TypeScript, Node.JS and related backend technologies, frameworks.
- Exposure to a variety of JavaScript frameworks and libraries such as Next.JS, React.JS and testing using Jest, Mocha.JS, Cucumber etc.
- Experience of using Node.js to create high traffic applications using Express.js, Sails, Koa or similar.
- Knowledge of microservices development and deployment in the cloud i.e. Azure/AWS/GCP cloud.
- Knowledge of virtualization, containerization and container orchestration technologies like Docker, Kubernetes etc.
- Experience with usage of GraphQL, building GraphQL servers and GraphQL Federation technologies like Apollo Federation.
- Experience with using and building REST API services.
- Knowledge of distributed messaging systems like Kafka, RabbitMQ etc.
- Knowledge of distributed caching technologies like Redis.
- 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.
Senior Node.js Engineer – Scalable Backend Architect employer: 慨正橡扯
At Tesco, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration among our talented engineering teams. With a strong commitment to employee growth, we provide ample opportunities for professional development and mentorship, ensuring that you can thrive in your career while making a meaningful impact on millions of customers globally. Our flexible working arrangements and 'do the right thing' mentality create an inclusive environment where you can contribute to cutting-edge technology solutions that enhance the shopping experience.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Node.js Engineer – Scalable Backend Architect
✨Tip Number 1
Network like a pro! Get out there and connect with folks in the industry. Attend meetups, tech conferences, or even online webinars. You never know who might have the inside scoop on job openings or can refer you directly to hiring managers.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those using Node.js, JavaScript, and other relevant tech. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by practicing common technical questions and coding challenges. Use platforms like LeetCode or HackerRank to sharpen your skills. Remember, it’s not just about answering questions but demonstrating your thought process!
✨Tip Number 4
Apply through our website! We’ve got loads of opportunities waiting for talented engineers like you. Plus, applying directly shows your enthusiasm and commitment to joining our team at Tesco.
We think you need these skills to ace Senior Node.js Engineer – Scalable Backend Architect
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your expertise in JavaScript, TypeScript, and Node.js, and don’t forget to mention any experience with cloud technologies and microservices!
Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality! Share why you’re passionate about backend development and how you can contribute to our xAPI team. Make it engaging and relevant to the role.
Showcase Your Projects:If you've worked on any impressive projects, especially those involving high-traffic applications or scalable systems, make sure to include them. We love seeing real-world examples of your work and problem-solving skills!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at 慨正橡扯
✨Know Your Tech Stack
Make sure you’re well-versed in JavaScript, TypeScript, and Node.js, as these are crucial for the role. Brush up on your knowledge of GraphQL and REST APIs too, as you'll likely be asked to discuss how you've used these technologies in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles and how you tackled them. Use examples that highlight your ability to write maintainable code and apply SOLID principles, as this will demonstrate your expertise in building scalable systems.
✨Understand Agile Methodologies
Since the team works in an agile environment, be ready to talk about your experience with Agile practices. Share how you’ve collaborated with product managers and other stakeholders to translate requirements into actionable tasks, and how you’ve contributed to continuous integration and delivery.
✨Be Ready to Discuss Team Dynamics
This role involves working closely with a team, so be prepared to discuss your approach to collaboration and mentoring. Highlight any experiences where you’ve led discussions on system design or shared knowledge with colleagues, as this shows you value teamwork and knowledge sharing.
