Senior Frontend Developer

Deltatre S.p.A.; Mumbai; Hybrid; INR 1,800,000 - 3,200,000; Full time

Job summary

Deltatre S.p.A. in Mumbai offers a hybrid Senior Front-End Engineer role. You will own end-to-end features across web, mobile, and TV platforms, mentor teammates, and shape our frontend standards. You will contribute to a shared component library and ensure high performance and quality across multiple targets.

You will collaborate with back-end, QA, and product teams, participate in CI/CD improvements, and stay updated with frontend advancements to drive robust solutions.

Qualifications

• Experience designing front-end across web, mobile, and connected TV platforms.
• Proven ability to ship high-quality front-end features with strong performance.
• Experience with component libraries or design systems and performance analytics.

Responsibilities

• Design, build, and maintain front-end experiences across web, React Native mobile, and connected TV platforms.
• Lead solution and feature design with well-reasoned proposals and ensure delivery.
• Mentor mid-level and junior developers through code reviews and guidance.
• Contribute to and evolve the shared component library and design system for consistency and accessibility.
• Set a high bar for front-end performance profiling and improve rendering and load times.
• Collaborate with back-end, QA, and product to define robust, scalable solutions.
• Contribute to CI/CD pipelines and front-end tooling to improve build reliability.
• Stay current with front-end trends and bring new patterns into the team.

Skills

React

NextJS

HTML CSS

Responsive UI

Cross-platform

REST GraphQL

CI CD

Testing

Design systems

Mentoring

Job description

As a Senior Front-End Engineer, you will take end-to-end ownership of features and solutions across our platform. Beyond your own delivery, you will contribute actively to how the team works, mentoring less experienced developers, shaping technical decisions at the solution and feature level, and helping establish standards that others build on.

This is a hybrid role, and you’ll need to work from our Mumbai office at least 2 days a week.

Your Responsibilities:

• Design, build, and maintain high-quality front-end experiences across web, React Native mobile, and connected TV platforms (tvOS, Android TV / Fire TV, Samsung Tizen, LG webOS).
• Take the lead on solution and feature design, bringing well-reasoned technical proposals and seeing them through to delivery.
• Mentor mid-level and junior developers through code review, pairing, and day-to-day guidance, helping build capability across the team.
• Contribute to and evolve our shared component library and design system, with a focus on consistency, accessibility, and long-term maintainability.
• Set a high bar for front-end performance profiling, measuring, and improving rendering, load times, and analytics instrumentation.
• Collaborate with back-end engineers, QA, and product to define robust, scalable solutions.
• Contribute to CI/CD pipelines and front-end tooling, improving build reliability and developer experience.
• Stay current with the front-end ecosystem and bring emerging patterns and practices into the team.

Required Skills:

• Deep proficiency in React and NextJS, including cross-platform delivery
• Solid command of HTML and CSS/SCSS, responsive and adaptive layouts, flexbox, grid.
• Proven track record shipping apps across multiple targets: web, mobile (iOS/Android) and/or connected TV.
• Experience building and maintaining component libraries or design systems.
• Deep understanding of front-end performance measurement, optimisation, and analytics integration.
• Experience with RESTful APIs or GraphQL.
• Comfortable working within CI/CD pipelines and modern front-end tooling.
• Demonstrated testing approach experience with modern front-end testing frameworks and a test-first mindset.
• Clear communicator who can articulate technical decisions to peers and cross-functional stakeholders.
• Experience in the streaming or media industry: VOD, live events, player integrations, or DRM.
• Hands-on 10-foot development experience across Samsung Tizen, LG webOS, Apple TV, or Android TV / Fire TV.
• Familiarity with client-side data event instrumentation.
• Knowledge of Node.js, AWS (Lambda, S3 CloudFront), or back-end concepts.
• Curiosity about the full stack and how front-end decisions interact with broader system design.