At a Glance
- Tasks: Join an agile team to develop Tesco's xAPI for enhanced shopping experiences.
- Company: Be part of Tesco, a leading retailer focused on innovation and customer satisfaction.
- Benefits: Enjoy competitive pay, flexible working options, and opportunities for professional growth.
- Other info: Collaborative environment with mentorship opportunities and a focus on continuous learning.
- Why this job: Make a real impact on millions of customers with cutting-edge technology.
- Qualifications: 7+ years in backend development with expertise in JavaScript, Node.JS, and cloud technologies.
The predicted salary is between 70000 - 85000 £ per year.
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.
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.
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 development.
- 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. 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 and 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.
- Knowledge of virtualization, containerization and container orchestration technologies like Docker, Kubernetes.
- Experience with GraphQL, building GraphQL servers and GraphQL Federation technologies like Apollo Federation.
- Experience with building REST API services.
- Knowledge of distributed messaging systems like Kafka, RabbitMQ.
- 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 employer: hackajob
At Tesco, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Senior Node.js Engineer, you'll be part of a passionate team dedicated to enhancing customer experiences through cutting-edge technology, with ample opportunities for professional growth and development. Our commitment to employee well-being is reflected in our supportive environment, competitive benefits, and the chance to make a meaningful impact on millions of customers worldwide.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Node.js Engineer
✨Tip Number 1
Network like a pro! Get out there and connect with folks in the industry. Attend meetups, webinars, or even just grab a coffee with someone who works at Tesco. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a GitHub profile showcasing your projects, especially those using Node.js or any tech mentioned in the job description. 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 brushing up on common backend development questions and coding challenges. Practice makes perfect, so try mock interviews with friends or use online platforms to get comfortable with the process.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the team at Tesco.
We think you need these skills to ace Senior Node.js Engineer
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, Node.js, and any relevant backend technologies. We want to see how you can contribute to our xAPI team!
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about backend development and how you put customers first. Share specific examples of how you've solved problems or improved processes in your previous roles. This is your chance to shine!
Showcase Your Projects:If you've worked on any projects that demonstrate your skills in building scalable applications or using modern engineering practices, make sure to include them. We love seeing real-world applications of your expertise!
Apply Through Our Website:We encourage you to apply directly through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any updates from us!
How to prepare for a job interview at hackajob
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially JavaScript, TypeScript, and Node.js. Brush up on your knowledge of GraphQL and REST APIs, as well as cloud services like Azure. Being able to discuss how you've used these technologies in past projects will show your expertise.
✨Showcase Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles and how you solved them. Use the STAR method (Situation, Task, Action, Result) to structure your answers. This will demonstrate your keen problem-solving abilities and how you can apply them to improve customer experiences.
✨Understand Agile Methodologies
Since the role involves working in an agile team, be ready to talk about your experience with Agile practices. Share examples of how you've contributed to sprints, collaborated with product managers, and adapted to changing requirements. This shows that you can thrive in a dynamic environment.
✨Prepare Questions for Them
Interviews are a two-way street! Prepare thoughtful questions about the team, the xAPI project, and how success is measured. This not only shows your interest in the role but also helps you gauge if the company culture aligns with your values.
