Location
In office (Bengaluru)
Seniority
Middle · 8+ years exp
First seen by Alion on Oct 25, 2026. Tesco scores A on the Alion truth index.
Overview
Company
Impact
Profile match
Tesco is a leading British multinational retailer that stands as the largest grocery store chain in the United Kingdom. Headquartered in Welwyn Garden City, England, the company operates thousands of supermarkets, convenience stores, and a major e-commerce platform. It offers a wide variety of products ranging from fresh food and clothing to household items and financial services.
Responsibilities:
- Use your in-depth knowledge of JavaScript, TypeScript, Node.js, and the 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 and code.
- Commit code early and often, demonstrating understanding of version control and 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 optimize 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 the TDD development.
- Follow the best practices of continuous BDD/TDD/performance/security/smoke testing.
- 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.
Requirements:
- We are looking for people who have a passion for technology. You will demonstrate experience with different platforms and technologies.
- 8+ years of professional experience as a backend software developer.
- At least 5 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 and React.js and testing using Jest, Mocha.js, Cucumber, etc.
- Experience 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.
- Ability to build high-scale observable systems and exposure to tools like New Relic, DataDog, Splunk, etc.
- Experience with using and building REST API services.
- Experience with the usage of GraphQL, building GraphQL servers, and GraphQL Federation technologies like Apollo Federation is preferred.
- Knowledge of distributed messaging systems like Kafka, RabbitMQ, etc. is preferred.
- 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.
- Exposure to the usage of AI tools for software development.
Skills
JS, JavaScript, Javascript, Node, Node.js, NodeJS, TypeScript, backend
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