Software Engineer II

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.

Role: Angular Developer

Positions: 4

• Experience 3 to 5 years
• Strong front-end development skills, experience with JavaScript libraries/frameworks mainly Angular JS Preferably Version 7 or Version 5
• Experience working with server-side JavaScript Frameworks and build tools (node.js, bower, grunt, gulp)
• Demonstrable experience developing large-scale applications using one or more MV* patterns (MVVM, MVC, MVP)
• Expertise in developing single page web applications using front-end routing, consuming JSON-based RESTful APIs, client-side templating
• Strong competency in responsive layouts leveraging CSS and media queries and related UI frameworks (e.g., Bootstrap, Foundation)
• Experience with CSS preprocessors (e.g., Sass, LESS)
• Experience with code analysis tools (e.g., JSLint, JSPerf)
• Practical knowledge of web page optimization techniques and guidelines for fast page load times
• Strong understanding of Ajax and/or promises
• Experience working in an agile, multidisciplinary team.
• Experience working with a distributed version control system (git, mercurial)
• Experience writing unit tests in one or more of the following: karma, mocha, chai, sinon, jasmine, jest
• Experience working on AWS. Basic understanding of Security Groups/ VPC etc.
• Experience on working with & integrating with microservices
• Experience on developing/ using CI/CD pipeline using Jenkins/ Git

. 3.5+ years of work experience on React.JS framework

· Has expertise in following front- end optimization techniques:

· Lazy Loading

· Asynchronous Module Definition

· Image Compression and Minification

· Other front-end tooling using Grunt / Webpack and NPM

· Familiarity with NodeJS, Jasmine / Karma and other unit testing frameworks

· Foundation data structure – Arrays, dictionaries, sets and lists

· Proficient in evaluating front end performance and measure accordingly

· Strong appetite to learn industry trends and new & emerging technologies

React Developer - Weapons Master

Smooth like butter, like a criminal undercover

• At least a year’s experience with React and Redux. You Know how to integrate Babel and use Webpack You should have worked with unit testing frameworks such as Mocha, Jest, Jasmine, or Ava
•  Experience building pixel perfect UI with HTML5 and CSS, Sass is a plus 
• Used developer tool plugins for the browsers and have knowledge of Flow ( Plus points here) along with an understanding of functional programming concepts

• - The ability to impact the next billion in the fintech industry.
• - Complete freedom to execute stupid ideas brilliantly
• - Furry friends to work with. We’re talking about our office cat, Shera of course!
• For more details dial - nine/one/zero/one/four/double three/eight/one/two.

TECHNICAL SKILLSET

• You have strong experience with semantic HTML5, CSS3, and a CSS preprocessor of your choice SASS or LESS, understanding of writing modular CSS (Must)
• You have strong knowledge of Object Oriented JavaScript (Must)
• You have strong experience with Angular or any other frameworks like Ember, Backbone or React (Must)
• You have working experience with large scale front-end architectures
• You have good knowledge in using restful web services
• You have a strong focus on performance
• You have knowledge of CSS animations
• You have experience with automation tools like Web-pack, Grunt or Gulp
• You have knowledge of unit testing tools like Jasmine, Karma etc.

Job Role

• As a Frontend Developer you will be responsible for extending and optimizing product user interfaces. You will work in a team of developers and designers to build cutting edge, graphical appealing user interfaces that provide a great user experience
• Develop web applications using various JavaScript frameworks 
• Have attention to detail and identify potential performance weak spots
• Find and share frontend best-practices with team members and other developers
• You will be actively involved during the entire technology development lifecycle.
• Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
• Work with a team of amazing developers and designers involved in the design and development of global platforms, participate in Agile sprints
• Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
• You will be working on one of the fastest growing e-Commerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant and offline to Online, mobile commerce, analytics, automation, DevOps and a lot more for the global markets positioned for Asia.
• Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.

Qualification

• A Bachelor’s degree in Computer Science or equivalent.

Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.

OPPORTUNITIES : Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies – on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.

Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.

• Experience in functionally and technically leading teams while contributing hands-on on design and code.
• Solid hands-on experience in software development covering Angular 4 to Angular 8 version
• Solid understanding of Node js
• Solid understanding of Jasmine , Karma , protractor
• Solid understanding of agile development model and strong communication, collaboration skills