Senior Frontend Developer

Deltatre
Mumbai, Maharashtra, India

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.

Valued:

  • 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.

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Questions about this job

How do I apply for the Senior Frontend Developer job at Deltatre?

Use the apply link on this page: you apply directly with Deltatre on LinkedIn. Before you do, score your resume against this job description on Fitboard. It shows which skills and keywords the job asks for that your resume doesn't show, so you can fix them first.

What skills does Deltatre want for this Senior Frontend Developer role?

The job description asks for 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. and Demonstrated testing approach experience with modern front-end testing frameworks and a test-first mindset.. Make sure your resume shows the ones you have, in the words the job uses: applicant tracking systems look for them.

How can I get a job at Deltatre?

Apply to the Deltatre roles that match your experience, and tailor your resume to each job description: for this role that means showing 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.. A resume that matches the job's own keywords is more likely to get past screening. Fitboard scores your resume against this exact job for free.

Is this Senior Frontend Developer job remote or onsite?

This is based in Mumbai, Maharashtra.

Is it free to apply? Does Fitboard charge anything?

Applying is free: you apply directly with Deltatre, and this job page and its apply link cost nothing. Checking your resume against this job is free too, with 3 free scans when you sign in and no credit card needed.

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