Frontend Lead Engineer

Posted on 04 / 09 / 2025

Mission

YOUR MISSION AT DECATHLON :

DECATHLON is accelerating its digital transformation with an ambitious mission of becoming THE digital sports platform that will allow customers to discover sports through many local experiences across the world.

Our goal is to create an open ecosystem in order to connect numerous actors and third-party services, in a safe and efficient way.

Our Technology & Digital teams based in Bengaluru are united to build and grow Decathlon India digital products & solutions with the aim of always offering the best value to 1.3 billion users in India.

Objective of the Business unit  - As a part of our Decathlon mission, we the digital team at Decathlon Sport India, want to create a wow experience for our users by creating a seamless omni journey both inside our stores and online through our website and shopping App. We focus on an agile way of working to ensure that we deliver quality software while respecting the timelines to adhere to our user needs.

Your mission :

Meet our Decathlon values.

Be autonomous to take decisions.

Have the capability to take ownership.

Be good in communication as he will have to present to our stakeholders / business teams

Have a knack for benchmarking and optimization.

Have a Familiarity with code versioning tools such as GiT

Have a familiarity with Project management / Process Management tools such as Jira or similar tools

Your Profile :  As a Lead Software engineer, you are recognized for your expertise and impact. Often not only on the feature you are responsible for but also cross-feature. You are appreciated as a technical ambassador for your team, and often to other teams. You are recognized for constantly delivering high-quality code.

Must Have :

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

Thorough understanding of React.js and its core principles

Experience with popular React.js workflows (Redux)

Familiarity with newer specifications of EcmaScript

Experience with data structure libraries (e.g., Immutable.js)

Knowledge of isomorphic React is a plus

Familiarity with RESTful APIs

Knowledge of modern authorization mechanisms, such as JSON Web Token

Familiarity with modern front-end build pipelines and tools

Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

Experienced Full Stack React developers who have worked on server side rendering in NodeJs,

Relevant Experience with frameworks like Next / Gatsby or other PWA's framework

Comfortable with Mobile & web standards

HTML & CSS

Scope

Usually leads at least one major project and sometimes several medium projects on their team

Usually working within a feature team

Expert in major areas of the codebase

Has a thorough understanding of team's domain, and how it contributes to overall business strategy

Debug and dig deep dives into feature team's codebase

Understands adjacent teams' business domains

Tunes and changes the monitoring on their team according to monitoring philosophy

Profile

Skill & Responsibilities

Deliver on complex projects

Design interfaces and reusable components for the team; understands scaling, reliability, and maintenance trade-offs as they occur in practice

Demonstrate knowledge of industry trends, our infrastructure, and our build system, including Github and all our CI Tools

Aware of the operational data for the team’s domain and utilize it as a basis for suggesting stability and performance improvements

Expected actions & behaviour :

Drive their own area forward without being asked or told to

Review tasks critically and ensures they’re appropriately sized for continuous integration and incremental delivery

Ensure commitments are realistic, understands their priority and urgency, and delivers upon them accordingly

Anticipate and communicate blockers, delays, and cost ballooning for their work before they require escalation.

Ensures expectations within their team are clarified between all parties involved. Able to question or push back on work that is not valuable for the tech team.

Seek empirical evidence through proof of concepts, tests and external research

Approach all engineering work with a security lens. Actively looks for security vulnerabilities both in the code and when providing peer reviews.

Collaboration & Leadership

Work effectively with other teams in your domain

Mentor junior engineers and new hires via pairing, design and code review, to help them onboard and level-up more efficiently

Excellent technical communication (in and out of the team) that helps others to understand and improve

Able to discuss complex technical issues at an abstract level with non-technical people

Frequently contributes to talks and demos in and outside their team to foster innovation and best practices adoption.

Communicates technical decisions through high-quality design docs, tech talks, and the wiki

Contributes to recruitment, interviewing, team organization

Qualifications :

Master's degree is preferred

6-8 years of relevant experience

Good communication essential

Office Location :  Decathlon, ITPL, Whitefield (Bangalore)

Way Of Working  : 4 days from office (1 day WFH)