IT Executive

Job Summary

Wissen Technology is hiring a highly skilled and experienced Lead React.js Developer to join our dynamic team in Pune (Baner). The ideal candidate will have a strong background in front-end development, a passion for building high-performance web applications, and the ability to lead and mentor a team of developers.

Experience:

7+ Years

Location:

Pune (Baner)

Mode of Work:

Hybrid

Key Responsibilities

• Lead the design and development of scalable, high-performance web applications using React.js.
• Collaborate with cross-functional teams including designers, backend developers, and product managers.
• Translate business requirements and UI/UX designs into high-quality code.
• Optimize components for maximum performance across a vast array of web-capable devices and browsers.
• Conduct code reviews and provide mentorship to junior developers.
• Ensure code quality, maintainability, and scalability through best practices.
• Stay up-to-date with the latest trends and technologies in front-end development.
• Participate in sprint planning, estimation, and delivery tracking.

Qualifications and Required Skills

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 7+ years of experience in front-end development with a strong focus on React.js.
• Proficiency in JavaScript (ES6+), HTML5, CSS3, and modern front-end build pipelines and tools.
• Experience with state management libraries like Redux, Context API, or MobX.
• Strong understanding of RESTful APIs and asynchronous request handling.
• Familiarity with code versioning tools such as Git.
• Experience with testing frameworks like Jest, Enzyme, or React Testing Library.
• Excellent problem-solving skills and attention to detail.
• Strong communication and leadership skills.

Good to Have Skills

• Experience with TypeScript.
• Knowledge of Next.js or other SSR frameworks.
• Familiarity with CI/CD pipelines.
• Exposure to cloud platforms like AWS or Azure.
• Understanding of Agile methodologies.

* Bachelor's degree in computer science or related fields preferred.

* 8+ years of experience developing core Java applications across enterprise, SME, or start-up

environments.

* Proven experience with distributed systems and event-driven architectures.

* Expertise in Spring Boot, Spring Framework, and RESTful API development.

* Experience in designing, building, and monitoring microservices.

* Solid background in persistence technologies including JPA, Hibernate, MS-SQL, and

PostgreSQL.

* Proficient in Java 11+, including features like Streams, Lambdas, and Functional

Programming.

* Experience with CI/CD pipelines using tools such as Jenkins, GitLab CI, GitHub Actions, or

AWS DevOps.

* Familiarity with major cloud platforms: AWS, Azure, or GCP (AWS preferred).

* Front-end development experience using React or Angular with good understanding of

leveraging best practices around HTML, CSS3/Tailwind, Responsive designs.

* Comfortable in Agile environments with iterative development and regular demos.

* Experience with container orchestration using Managed Kubernetes (EKS, AKS, or GKE).

* Working knowledge of Domain-Driven Design (DDD) and Backend-for-Frontend (BFF) concepts.

* Hands-on experience integrating applications with cloud services.

* Familiarity with event-driven technologies (e.g., Kafka, MQ, Event Buses).

* Hospitality services domain experience is a plus.

* Strong problem-solving skills, with the ability to work independently and in a team.

* Proficiency in Agile methodologies and software development best practices.

* • Skilled in code and query optimization.

* Experience with version control systems, particularly git

Role Overview

As a Senior Frontend Developer, you will be at the forefront of developing high-quality mobile applications using React Native. This role requires a comprehensive understanding of cross-platform development, UI/UX design principles, in-app purchases, and state management. You will work closely with our backend team, designers, and product managers to deliver seamless and responsive applications that meet global market standards.

Key Responsibilities

• Lead the development of mobile applications using React Native, ensuring cross-platform compatibility and responsiveness across devices.
• Collaborate with the design team to implement intuitive and user-friendly UI/UX designs.
• Integrate in-app purchases, Firebase services, dynamic links, and develop custom features to enhance user engagement.
• Manage application state effectively using state management libraries and best practices.
• Oversee the app deployment process, including release management, to the App Store and Google Play Store, ensuring compliance with their guidelines.
• Work with the team to identify and resolve performance issues and optimize application for speed and scalability.
• Work on animations and UX of applications for both IOS and Android.
• Stay updated with the latest trends and technologies in mobile development to continuously improve app functionality and user experience.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in frontend development, with significant experience in React Native and cross-platform mobile app development.
• Strong portfolio demonstrating expertise in UI/UX design and in-app purchases integration.
• Extensive experience with Firebase, including dynamic links and other backend services.
• Proven track record of managing app releases, including deployment to the App Store and Google Play Store.
• Excellent problem-solving skills, attention to detail, and the ability to work in a fast-paced, team-oriented environment.
• Strong communication skills, with proficiency in English.
• Attach the link of mobile application worked on till date

Why Join Us?

• Opportunity to lead a cutting-edge project impacting users globally.
• Work in an environment that fosters innovation, collaboration, and professional growth.
• Competitive compensation, comprehensive benefits.

Our frontend (React) team is passionate about React Technology and we are working on a few world-class products which have their roots and frontend in React Technology along with Redux, web-hooks, and Reducers. Keeping performance, scalability, usability, and user acceptance in mind, we are looking for a smart frontend engineer that has experience developing a variety of Web Applications using React Technology. (Along with strong frontend expertise, needs a good understanding of how frontend applications work in different browsers and have a mobile responsive design)

Basic roles and responsibilities are mentioned for the engineer at our team:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• 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.
• Good understanding of async functions and their concepts.
• Your primary focus will be on developing user interface components and implementing them following well-known ReactJS workflows (such as Flux or Redux).
• A Commitment to collaborative problem solving, sophisticated design, and quality product is important.

• Developing new user-facing features using ReactJS
• Familiarity with modern front-end builds pipelines and tools.
• Translating designs and wireframes into high-quality code.
• Thorough understanding of ReactJS and its core principles.
• Experience with popular React.js workflows. (such as Flux or Redux)
• Familiarity with RESTful APIs.
• Building reusable components and front-end libraries for future use.
• Knowledge of modern authorization mechanisms, such as JSON Web Token and Oauth.
• Good knowledge of CSS and other latest frameworks like a tailwind CSS / Bootstrap.

• Experience developing highly scalable Web applications.
• Knowledge of Media Queries and CSS via useful frameworks.
• Strong experience with React frameworks with components like Redux, Flux, Webhooks.
• Good knowledge of code versioning (git / Github)
• Good experience with code deployment on servers like Ubuntu, Linux systems.
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications
• Basic understanding of docker to work with different major versions of Node js and database release(Postgres, MySQL, etc)
• Good knowledge to write and train the team to write unit test cases for the application code.

• You would be knowing how to do a basic code review of team and junior NodeJS engineers.

• Experience with deployment and CI/CD is a plus!
• Have worked with Testing libraries
• Good Verbal and Written communication Skills.

• Should have experience in  developing and working on consumer facing web/app
• Proficient understanding of JavaScript libraries and frameworks ReactJS
• Proficient understanding of server side rendering through Next.js
• Proven skillsets in responsive Web UI development for enterprise application using technologies such as HTML5, CSS, JavaScript, JQuery, Bootstrap, React JS Good understanding of Data Structures, Algorithms and Operating Systems
• Should have experience on HTML5/CSS3, Javascript ,Redux, APIs Integration
• 3-4 years of experience in building client side cross platforms javascript apps in Web & mobile.
• Good experience of developing and integrating APIs
• Develop high-quality software design and architecture
• Review and debug code
• Find and address performance issues
• Proficient understanding of Git