React.js Developer

Company

Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.

About the Role

We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.

You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.

What You’ll Do

• Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
• Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
• Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
• Build responsive, accessible, and cross-browser compatible components.
• Optimize application performance for speed, scalability, and usability.
• Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
• Write clean, reusable code and maintain clear documentation.
• Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
• Ensure security best practices in frontend implementation.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands-on experience in frontend development using Next.js and React.js.
• Proficient in Redux, Hooks, Context API, and component-based architecture.
• Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Experience building high-performance web applications with real-time data updates.
• Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
• Ability to work in an agile environment with CI/CD processes.

Preferred (Good to Have)

• Exposure to Web3 technologies
• Experience with Ethereum, Solana, or other blockchain ecosystems.
• Understanding of containerized deployment using Docker.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.

What We Offer

• A collaborative and supportive team environment
• Exposure to cutting-edge projects in fintech and emerging tech
• Freedom to innovate and bring ideas to life
• Competitive compensation and performance-based growth
• Flexible work hours and focus on work-life balance

Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.

We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.

We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Job Description:

We are looking for an expert JavaScript developer who is highly skilled with Vue.js. Your primary focus will be developing user-facing web applications and components.

Good experience in VueJS. Background of React/Angular.Strong knowledge of OOJS and ES6

Ability to write reusable, effective, and scalable JavaScript code. Building modular and reusable components and libraries. Translating client’s technical specifications into code.

You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team members, including back-end developers and UX/UI designers. Your commitment to team collaboration, perfect communication, and a quality product is crucial.

Work Experience: 3 to 4 years

Responsibilities:

Developing user-facing applications using Vue.js

Building modular and reusable components and libraries

Optimizing your application for performance.

Implementing automated testing integrated into development and maintenance workflows

Staying up-to-date with all recent developments in the JavaScript and Vue.js space

Keeping an eye on security updates and issues found with Vue.js and all project dependencies

Proposing any upgrades and updates necessary for keeping up with modern security and development best practices.

Skills:

Highly proficient with the JavaScript language and its modern ES6+ syntax and features.

Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM.

Familiarity with the Vue.js ecosystem, including Skills.

Familiarity with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js

Good understanding of HTML5 and CSS3, including ( Sass or Less depending on your technology stack )

Knowledge of functional programming and object-oriented programming paradigms

Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha

Proficiency with modern development tools, like Babel, Webpack, and Git

Good understanding of HTML5 and CSS3, including ( Sass or Less depending on your technology stack )

Understanding of server-side rendering and its benefits and use cases.

Knowledge of functional programming and object-oriented programming paradigms.

Ability to write efficient, secure, well-documented, and clean JavaScript code.

Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha.

Experience with both consuming and designing RESTful APIs.

Position Summary


Clarista.io turns current enterprise data silos into a ‘Live Data Network’, easy to use, always available, with flexibility to create any analytics. Clarista is designed for both business and technical users, hence the user interface plays a pivotal role in ensuring performance with large datasets and a superior user experience.

What You'll Do


You will be part of Clarista’s UI engineering team. You will work in our cloud native environment and perform following activities to support core product development and client specific projects:

• You will build & support responsive web user interfaces by using ReactJS
• You will ensure usability of the interfaces and workflows for end users
• You will integrate user interfaces with data and other interfaces through APIs
• You will collaborate with cloud and data engineering teams to enable end-to-end functionality
• You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
• You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
• You will be a proactive contributor to team and project discussions

 Who you are


• Strong education track record 
• Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in UI Development using ReactJS
• An ideal candidate will be responsible to produce high-quality solutions; bringing a deep understanding of modern HTML, JavaScript, and CSS, and the software development life cycle and a strong ability to execute and implement standard software architecture patterns.
• Expert knowledge of JavaScript to design optimized and modular components that will be used across platforms.
• Proficient with ReactJS, Redux, Service Workers, Optimized coding practices, Progressive Web Apps (PWA), Context API, System design, Web concepts, Server-Side Rendering (SSR), lazy loading.
• Should have experience working with any of the chart’s library like charts.js, Highcharts.js, etc.
• Should know how to write modular and optimized code.
• Should have good knowledge around error handling.
• Fair understanding of responsive design and cross-browser compatibility issues.
• Experience versioning control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.

Good to have some exposure to

• Start-up experience is highly preferred
• Exposure to micro front ends.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams

What You'll Love About Us – Do ask us about these!

• Be an integral part of the founding team. You will work directly with the founder
• Work Life Balance. You can't do a good job if your job is all you do!
• Prepare for the Future. Academy – we are all learners; we are all teachers!
• Diversity & Inclusion. HeForShe!
• Internal Mobility. Grow with us!
• Business knowledge of multiple sectors

• Substantial experience in building large complex and performant web applications using HTML5, CSS3, Typescript and Javascript across multiple browsers (Especially IE11).
• Experience in frameworks such as React (Redux, Redux Thunk or Saga, React Router, React Hooks) , Node JS and good understanding of the basics of these frameworks and their life cycles.(MUST HAVE)
• Experience in frameworks like Bootstrap and CSS pre-processors like SASS and LESS is desirable.
• Deeper understanding of network layer, HTTP, HTTPS, cookies, local storage.
• Knowledge to handle real-time async data would be a plus.
• Good knowledge on build tools like Webpack and Gulp
• Good knowledge on testing tools like Jest, Cypress, Jasmine, Karma, etc
• Experience in Git source control 
• Deeper understanding of Chrome Dev Tools.
• Deeper knowledge of UI optimizations and performance.
• Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
• Experience leading multi engineer projects and mentoring junior engineers.
• Command an impressive portfolio of the latest UI technologies is a plus

• Experience in web technologies (Object-Oriented JavaScript, HTML, CSS) and experience with web standards, including HTML5 and CSS3
• In depth understanding of Angular concepts and structures
• Should have strong debugging skills on Developer Tools of the browser and Working with Cross Browser UI
• Should have solid understanding and experience (at least 1+ years) with Object-Oriented design and development
• Strong verbal and written communication skills
• Proactive attitude to problem resolution
• Ability to work in a fast-paced environment, and manage time efficiently to meet project timelines
• Ability to work well independently, or with remote teams

• Experience in Agile Software Development projects
• Knowledge on how to create modules and libraries with angular and publish it on platform like npmjs.
• Knowledge on Nrwl's developer tools
• Experience in writing Unit Testing cases.
• Capable to perform code reviews and provide code to optimize performance of the application.

Responsibilities 
- Develop new user-facing features 
- Ensure the technical feasibility of UI/UX designs 
- Optimize application for maximum speed

Skills And Qualifications 
- 2+ years of experience in ReactJS and Redux 
- 1+ completed project of reasonable size using server-side rendering 
- Knowledge of Preact is a plus 
- Proficient understanding of web markup, including HTML5, CSS3 
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS 
- Good understanding of asynchronous request handling, partial page updates, and AJAX 
- Proficient understanding of cross-browser compatibility issues and ways to work around them. 
- Proficient understanding of Git