React.js Developer

Job Title: Senior Software Engineer – Frontend

About the Role

We are looking for a highly skilled Senior Frontend Engineer to join our fast-growing product engineering team. As a senior contributor, you will play a key role in designing, building, and scaling modern, intuitive, and performant web applications that delight our users. You will collaborate closely with product managers, designers, and backend engineers to bring ideas to life—while mentoring junior engineers and driving best practices across the frontend discipline.

Key Responsibilities

• Build & Deliver: Design, develop, and maintain high-quality, scalable, and responsive web applications using React.js and modern JavaScript/TypeScript.
• Own the Frontend: Drive architecture decisions, contribute to reusable component libraries, and ensure the frontend stack remains cutting-edge.
• Collaborate: Work with cross-functional teams (Product, Design, Backend) to translate business needs into elegant technical solutions.
• Performance & UX: Optimize applications for maximum speed, responsiveness, accessibility, and seamless user experience.
• Best Practices: Champion code quality through code reviews, automated testing, CI/CD pipelines, and documentation.
• Mentorship: Provide technical guidance, support, and mentorship to junior and mid-level engineers.
• Innovation: Stay current with frontend technologies, tools, and frameworks, continuously improving how we build software.

What We’re Looking For

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 5–8 years of professional experience in frontend or full-stack software development.
• Deep expertise in React.js, JavaScript (ES6+), and modern frontend ecosystems (Webpack, Babel, NPM/Yarn, etc.).
• Solid understanding of data structures, algorithms, and software design patterns.
• Strong experience with unit testing, debugging, and performance profiling.
• Familiarity with RESTful APIs, and micro-frontend architectures is a plus.
• Experience working in Agile/Scrum environments.
• Excellent problem-solving skills, with strong attention to detail and a focus on delivering value.
• Strong communication and collaboration skills, with a passion for teamwork.

Why Join Us

• Opportunity to own impactful projects end-to-end, from ideation to deployment.
• A culture that values technical excellence, continuous learning, and innovation.
• Work alongside talented engineers and thought leaders in a fast-paced, growth-oriented environment.
• Competitive compensation, flexible work options, and comprehensive benefits.

Role Summary:

Front-end Developer who would contribute towards building a highly flexible and scalable front-end by bringing deep core technology expertise.

Job Description:

- Ensure proper offline access using service workers and PWA

- Develop components which are SEO friendly

- Have experience in server-side rendering

- Drive evolution of application performance

- Ensure project scalability by having good project architecture

Skill Requirements:

- Good experience in HTML5, CSS3, JS - React

- React native

- Angular - Redux exposure - Have handled service workers and PWA caching and updates - CSS pre-processors knowledge like sass - Knowledge of webpack, parcel, grunt etc.

-Knowledge of pre-processors like SASS/LESS, CSS-Modules.

- Architecting and automating the build process for production, using task runners or scripts (Gulp / Grunt)

-Have an eye for good UI/UX, Progressive Web Apps, Responsive Design

-Interested in writing code, actively experimenting along with learning new things.

Individual applying to the role should ideally have the following attributes

-Passionate about Frontend Development and continually follow the platform & innovations

-Strong and innovative approach to problem solving and finding solutions

-Interested in working on fast-paced

- Excellent communicator (written and verbal, formal and informal)

- Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution

- Ability to multi-task under pressure and work independently with minimal supervision.

- Ability to prioritize when under pressure.

• Candidate should have strong knowledge of Javascript and HTML5 Canvas
• Should have knowledge of HTML5 Canvas Drawing Pad
• Experience in HTML5 Canvas is a must
• Thorough semantics-level understanding of HTML5 Canvas
• Good understanding of JavaScript programming and DOM manipulation
• Understanding and deployment of Responsive Web Design
• Understanding of how web design/dev is related to web Performance

• Candidate should be available to join immediately

• Observe, strategize, develop and design user-friendly UI/UX using markup languages like HTML.
• Designing Client-Side and Server-Side Architecture and Rendering and Static Site Generation.
• To confer with users - by studying systems flow, data usage & work related bottlenecks.
• Design and implement Front-End code
• Interact with the production team, understand their workflow and find new ways to visualize their workflows on web apps.
• Integrating Python Scripts with Python-based UI interfaces like Dash and Flask.
• Maintain and improve web-app
• Optimize applications for maximum speed
• Create quality mockups and prototypes
• Design mobile-based features
• Integrating APIs with front-end user interfaces.
• Build features and applications with a mobile responsive design
• Write functional requirement documents and guides
• Work with data scientists and analysts to visualize their analysis reports
• Help back-end developers with coding and troubleshooting
• Ensure high-quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

• Strong Knowledge of HTML, CSS, Bootstrap, JavaScript, AJAX, jQuery and Prototyping.
• Strong knowledge of client-side dynamic and rich UI applications development.
• Hands-on experience in C#, Python, .Net
• Strong hands-on experience in popular frameworks and JavaScript ecosystem – JS, Node, Angular, Jquery.
• Experience in Spark, Hadoop, Scala, and Elastic Search is a plus point.
• Familiarity with browser testing and debugging
• Experienced in building applications that meet enterprise needs – secure, scalable, loosely coupled design
• Exceptional design, coding, and problem-solving skills, with a bias for architecting at scale.
• Experience using NPM, Web-Pack, Gulp.
• Familiarity with performance testing and optimization’s.
• Strong knowledge of computer science, algorithms, and design patterns
• Write robust modular front-end code using the latest technologies, test and optimize it to work for high performance and scale and deploy it to the UiPath cloud platform.
• Work with various horizontal teams such as Structure, Electrical, Mechanical, Accessibility, Legal, and Finance and also interact with other core teams across locations at UiPath
• Own the smooth running of your cloud service or docker service, and respond to live site issues.
• Strong oral and written communication, and other soft skills are critical to collaborating and engaging with teams

We are looking for a passionate hands-on engineer to join our Engineering team.

• To build next-generation web applications which are efficient, reusable front-end abstractions and systems.
• Work closely with Product Managers, UX designers, and back-end engineers to implement front-end solutions while embracing emerging standards and pushing the limits of what a browser can do.
• Explore and design dynamic and compelling consumer experiences.
• Command an impressive portfolio of the latest UI technologies
• Analyze system function and performance requirements to support design concepts.
• Actively participate in design and code reviews to build robust applications and prototypes.
• Interacting with other team members to passionately collaborate our innovations.
• Constantly and consistently implementing new features and optimizing existing ones from controller-level to UI. Vigilantly and rapidly fix bugs.
• Create and maintain software documentation
• Endorsing upcoming standards, launching, iterating, and making a difference.

Ideal Candidate

• Proficiency with HTML5, Javascript, Angular JS, React JS and CSS3
• Ability to write well-abstracted, reusable, highly performant code for Website and Web applications.
• Experience with scripting languages (PHP) will be preferable.
• Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
• Architecting, configuring, and automating the build process.
• A solid understanding of how web applications work including security, session management, and best development practices
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced startup environment, learn rapidly, and master diverse web technologies and techniques.
• Knowledge in WordPress will be a plus
• Flexibility to work under ambiguous conditions

Few words about Unify Technologies: Unify a Digital Engineering company. We help our clients by providing Digital Engineering Services to develop high-quality products. We have extensive experience in software product engineering and a successful track record of delivering on aggressive delivery plans without compromising on the quality in Cloud, Mobile, and Data practices.

Employment Type: Full-Time

Position: Sr. SDE and Lead SDE (Software Development Engineer)

Job Location: Hyderabad

Experience:

• ReactJS Jr Developer: 2-4 Yrs

• ReactJS Sr Developer: 4-8 Yrs

• ReactJS Lead Developer: 7-12 Yrs

Key Skills:

• ReactJS Jr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)

• ReactJS Sr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)

• ReactJS Lead Developer: (Must: Team Lead Experience + ReactJS+JavaScript Programming Experience+UI)

• NOTE: For the Lead Developer Team leading exp is Must

Project: Product-Online Marketing, E-commerce Platforms and AI, Predictive Analytics

Joining time: Immediate to 30 days

Education: Master’s/Bachelor’s degree in Computer Science, Statistics, Engineering or a related technical discipline will be preferred

Skills Required for Front End UI (ReactJS) Sr Developer/Lead Developer:

• Strong Experience in ReactJS/VueJS and JavaScript Programming

• Strong knowledge of HTML/CSS Page Designs, DOM, HTTP protocol and how the web works in general.

• Integrating with Backend Rest APIs

• Experience using libraries and frameworks like React, Redux, GraphQL and TypeScript. 

• Experience building server-side APIs and proxies using Node.js.

• Strong Knowledge of managed and performance-oriented code with React and Redux, Mobx, Mobx-state-tree 

• Good to have knowledge (Not must) with the SEO process

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.

• Experience designing and building complex UI applications and implementing individual services that participate healthily in a microservice architecture.

• Ability to write well-documented, clean JavaScript code

• Familiarities with native Build tools, like XCode, Gradle and other required Build tools

• Understanding of REST APIs, the document request model, and offline storage

• Leverage native APIs for deep integrations with both platforms.

• Diagnose and fix bugs and performance bottlenecks for performance that feels native.

• Maintain code and write automated tests to ensure the product is of the highest quality.

Responsibilities:

• Design, build, review and evolve durable, highly scalable event-driven infrastructure

• Architect and lead the development of backend services.

• Work with REST APIs and integrating them with our software platform

• Develop front end capabilities such as dashboards, visualizations, features

• Work on building best performance UI features and linking with backend

• Integrate all the front end features with a backend pipeline 

• Integrate our AI models with the platform pipeline 

• Work on bug fixing and improving application performance 

• Unit-test code for robustness, including edge cases, usability, and general reliability

• Own new initiatives, Debug production issues

• Help define the way we work in the future including coding and design standards

• Work effectively in an agile development process

• Research cutting edge technology that can be applied to accelerate business growth

• Be the communication bridge be product owners and development teams