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Senior ReactJS Engineer
Senior ReactJS Engineer
Proximity Works's logo

Senior ReactJS Engineer

Eman Khan's profile picture
Posted by Eman Khan
5 - 8 yrs
Upto ₹40L / yr (Varies
)
Mumbai
Skills
skill iconReact.js
skill iconNextJs (Next.js)
Jasmine (Javascript Testing Framework)
jest

Description

We are looking for a Senior React.js Engineer to build high-performance, scalable, and accessible web applications using modern React and JavaScript/TypeScript. You will work closely with designers, product managers, and backend engineers to deliver robust user-facing features while maintaining high standards of quality, performance, and maintainability.


This role requires strong ownership, deep React ecosystem knowledge, and the ability to translate product requirements into clean, reliable front-end architecture.


At Proximity, you won’t just ship features — you’ll help shape frontend architecture, improve engineering standards, and contribute to products used at scale.


Responsibilities -

  • Develop responsive, high-performance web applications using React.js and modern JavaScript/TypeScript.
  • Build and maintain reusable UI components and front-end libraries to support scalable applications.
  • Integrate with APIs and collaborate closely with backend teams to define clear and reliable contracts.
  • Ensure applications meet accessibility, responsiveness, and cross-browser compatibility standards.
  • Write and maintain unit, integration, and end-to-end (E2E) tests to ensure code quality and reliability.
  • Optimize applications for speed, scalability, and SEO, including SSR and Next.js where applicable.
  • Participate actively in code reviews, providing constructive feedback and upholding coding best practices.
  • Collaborate with designers and product managers to translate wireframes and designs into functional features.
  • Troubleshoot, debug, and resolve performance, reliability, and user experience issues.
  • Stay up to date with the latest trends in the React ecosystem and proactively improve development processes and tooling.


Requirements

  • 5–7 years of professional experience in frontend or web application development.
  • Strong expertise in React.js and modern JavaScript, with solid experience using TypeScript.
  • Deep understanding of component-driven development, state management, and frontend architecture patterns.
  • Experience working with RESTful or GraphQL APIs and collaborating with backend teams.
  • Strong knowledge of HTML, CSS, and modern styling approaches, including responsive and adaptive design.
  • Hands-on experience with testing frameworks for unit, integration, and E2E testing.
  • Proven ability to optimize applications for performance and scalability.
  • Solid understanding of SEO fundamentals for modern web applications.
  • Proficiency with version control systems such as Git.
  • Strong problem-solving, communication, and collaboration skills.
  • Ability to take ownership of features from design through production.


Desired Skills -

  • Experience with Next.js and server-side rendering.
  • Familiarity with modern frontend build tools and bundlers.
  • Exposure to design systems or component libraries at scale.
  • Understanding of Agile development methodologies.
  • Open-source contributions or public projects demonstrating frontend craftsmanship.


Benefits

  • Best in class compensation: We hire only the best, and we pay accordingly.
  • Proximity Talks: Learn from experienced engineers, designers, and product leaders.
  • Continuous learning: Work with a high-caliber team, challenge yourself daily, and grow your frontend expertise.


About us:

  • We are Proximity — a global team of coders, designers, product managers, geeks, and experts. We solve complex problems and build cutting-edge technology at scale.
  • Our team of Proxonauts is growing quickly, which means your impact on the company’s success will be significant. You’ll work with experienced leaders who have built and led multiple high-performing tech, product, and design teams.
  • Here’s a quick guide to getting to know us better:
  • Watch our CEO, Hardik Jagda, tell you all about Proximity.
  • Read about Proximity’s values and meet some of our Proxonauts.
  • Explore our website, blog, and design wing — Studio Proximity.
  • Get behind the scenes with us on Instagram — follow @ProxWrks and @H.Jagda.
Read more
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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About Proximity Works

Founded :
2019
Type :
Products & Services
Size :
20-100
Stage :
Bootstrapped

About

We are Proximity - a global team of coders, designers, product managers, geeks and experts. We solve hard, long-term engineering problems and build cutting edge tech products.


About us

Born in 2019, Proximity Works is a global, fully distributed tech firm headquartered in San Francisco - with hubs across Mumbai, Dubai, Toronto, Stockholm, and Bengaluru. We’re in the business of solving high-stakes engineering challenges with AI-powered solutions tailored for industries like sports, media & entertainment, fintech, and enterprise platforms. From real-time game analytics and ticketing workflows to creative content generation, we help build software that serves millions every day.


About the Founders

At the helm is Hardik Jagda, CEO - a technologist with a startup DNA who brings clarity to complexity and a passion for building delightful experiences.


Milestones & Impact

  • Trusted by some of the world’s biggest players - from major media & entertainment giants to one of the world’s largest cricket websites and the second-largest stock exchange in the world.
  • Delivered game-changing tech: slashing content creation by 90%, doubling performance metrics for NASDAQ clients, and accelerating speed/performance wins for platforms like Dream11.


Culture & Why It Matters

  • Fully distributed and flexible: work 100% remotely, design your own schedule, build habits that work for you and not the other way around.
  • People-first culture: Community events, “Proxonaut battles,” monthly off-sites, and a liberal referral policy keep us connected even when we’re apart.
  • High-trust environment: autonomy is encouraged. You’re empowered to act, learn fast, and iterate boldly. We know great work comes when talented people have space to think and create.
Read more

Company video

Proximity Works's video section
Proximity Works's video section

Connect with the team

Profile picture
Hardik Jagda
Profile picture
Kushaal Devanahalli
Profile picture
Omprakash Mishra
Profile picture
Madhvi Jagda
Profile picture
Tushar Vaghela

Company social profiles

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  • Contributions to open-source projects or a portfolio of personal projects.


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Shubham Vishwakarma

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I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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