
Job Title: Senior React.js Developer
Experience: 5+ Years
Location: Pune
Employment Type: Full-Time
Job Summary:
We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.
Key Responsibilities:
- Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
- Integrate wireframes and UI/UX designs into functional front-end interfaces
- Ensure cross-browser/platform compatibility and responsive design
- Optimize apps for speed and scalability
- Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
- Integrate with RESTful APIs and backend services
- Maintain code quality and performance standards
- Collaborate with designers, product managers, and backend engineers
- Mentor junior developers and contribute to best practices
Required Skills:
- 5+ years in front-end/UI development
- Strong in React.js, JavaScript (ES6+), HTML5, CSS3
- Experience with Redux, SASS/LESS, REST APIs
- Familiarity with performance optimization tools
- Solid understanding of UI/UX design principles
- Excellent communication and team collaboration skills
- Bachelor’s degree in Computer Science or related field

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Key Responsibilities
• Build and maintain high-quality, responsive web applications
• Collaborate with designers and product managers to translate requirements into intuitive UI/UX
• Optimize applications for performance, security, SEO, and scalability
• Write clean, maintainable, and well-documented code
• Debug, troubleshoot, and fix issues across the frontend stack
• Stay updated with the latest frontend trends and tools to improve development practices
Requirements
• 2–4 years of professional experience as a Frontend Developer
• Strong proficiency in JavaScript/TypeScript with modern frameworks like React.js/Next.js
• Experience consuming REST/GraphQL APIs
• Strong understanding of HTML5, CSS3, Tailwind/Styled Components and responsive design principles
• Knowledge of version control (Git)
• Familiarity with build tools and CI/CD pipelines
• Understanding of web performance,accessibility and SEO best practices
• Strong problem-solving and debugging skills
What is in it for you
• Very high ownership role in a fast-paced environment
• Closely work with the founder & a super passionate team of people in building Eternz
• Competitive salary commensurate
• Fast career growth & appraisals
• A dynamic and collaborative work environment- No hierarchy/Politics!
• Health insurance
Additional Details
• We are an early-stage start-up and valuable achievements take time & efforts. And hence it is a 6 day work week & we strongly believe there is no substitute for hard work & passion!
• Location: HSR layout, Bangalore
Position Overview:
We are seeking a skilled Software Developer with a focus on Front-End Development with Strong proficiency in HTML, JavaScript, CSS, Sass, Bootstrap and modern JavaScript frameworks including ReactJS and jQuery to join our team. The successful candidate will be responsible for writing clean, efficient, and maintainable code that enhances workflow organization and automates various internal processes within the organization. The role involves continuous improvement of our software solutions to save man-hours and ensure overall organizational efficiency. Key tasks include development, testing, debugging, troubleshooting, and maintenance of both new and existing programs.
Key responsibilities:
1) Software Development: Write clean, efficient, and maintainable code/flows that automate internal processes and improve workflow efficiency.
2) Testing and Maintenance: Perform testing, debugging, troubleshooting, and daily maintenance of created or integrated programs.
3) UI/UX Development and Design: Design and develop intuitive and visually appealing user interfaces in the software.
4) Web Services Integration: Integrate UI with web services to ensure seamless functionality.
5) Adherence to Standards: Follow preferred development methodologies and adhere to organizational development standards.
6) Collaboration: To work closely with other team members to ensure the successful implementation of projects. Maintain clear and concise documentation of code, APIs, and software components to aid in knowledge sharing and future development.
7) Stay Current: Keep up to date with the latest developments in the Frond end development ecosystem and engage in best practices of software engineering.
Technical Lead (UI)
Profile: Technical Lead (UI)
Experience: 5-10 years
Education Qualification: Graduate/Postgraduate
Neewee is an Industrial Analytics start-up, focused in making manufacturing visible, transparent, efficient, and autonomous to its clients.
Started in 2014 our journey has evolved from making manufacturing complexity and risk a thing of the past.
Bodhee is our in-house product. We are looking for Project Managers to work with our Product team .
Responsibilities:
• Manage development of one or more Bodhee Services.
• Performing requirement analyses by interacting with BA, PM, and Architect.
• Developing high-level and detailed designs.
• Design, Develop, Test, Implement and Maintain high-volume, low-latency applications for critical systems and delivering high-availability and performance.
• Writing well designed, testable, reusable, efficient code.
• Conducting configuration of your own work.
• Reviewing the work of other developers and providing feedback.
• Mentor and manage the dev team.
• Collaboration with testing team for Integration Testing
Requirements
• 5-10 years of experience in UI development.
• Experienced developer in Angular 2+.
• Experience with JavaScript and TypeScript.
• Skill for writing reusable UI components.
• Understanding of RESTful API design for web services.
• Hands on experience in UI optimization best practice implementations.
• Experience with Linux environment.
• Excellent problem solving and analytical skills.
• Willing to learn new technologies.
• Experienced with Git, Docker, Jenkins.
• Ability to work and collaborate with Cross Functional Teams
Profile: Technical Lead (UI)
Experience: 5-10 years
Education Qualification: Graduate/Postgraduate
Responsibilities:
- Manage development of one or more Bodhee Services
- Performing requirement analyses by interacting with BA, PM, and Architect.
- Developing high-level and detailed designs.
- Design, Develop, Test, Implement and Maintain high-volume, low-latency applications for critical systems and delivering high-availability and performance
- Writing well designed, testable, reusable, efficient code
- Conducting configuration of your own work.
- Reviewing the work of other developers and providing feedback.
- Mentor and manage the dev team.
- Collaboration with testing team for Integration Testing
Requirements
- 5-10 years of experience in UI development
- Experienced developer in Angular 2+
- Experience with JavaScript and TypeScript
- Skill for writing reusable UI components
- Understanding of RESTful API design for web services.
- Hands on experience in UI optimization best practice implementations.
- Experience with Linux environment
- Excellent problem solving and analytical skills.
- Willing to learn new technologies.
- Experienced with Git, Docker, Jenkins
- Ability to work and collaborate with Cross Functional Teams
- Proven work experience as a Front-end developer
- Hands on experience with markup languages
- Experience with JavaScript, CSS and jQuery
- Familiarity with browser testing and debugging
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics
- Knowledge of SEO principles
- Familiarity with software like Adobe Suite, Photoshop and content management systems
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills
- BSc degree in Computer Science or relevant field
SaaS-Nest is a product-based company headquartered in Jaipur, Rajasthan. We have started our journey in February 2022 with a vision to transform HealthCare by technology. We are closely associated with Synergy Health 360, a US based healthcare organization. We have a team of experienced medical professionals to provide insights and innovation ideas which in turn is implemented by a perfect blend of young and qualified IT professionals.
About Team & Product/Project Details
We are building a health and wellness technology platform to cater the needs of US Healthcare market. Our product is aimed to provide anywhere/anytime access to Primary Care Physician and telehealth platform to patients and simultaneously provide better management options to providers for in-person and telemedicine appointments. The product will be EMR agnostic, scalable and provide licensed access to an integrated network of specialty services and predictive modeling technology.
SaaS-Nest Technologies Pvt. Ltd. is seeking an entry level Frontend Software Engineer to work as a key team member developing web-based solutions. The ideal candidate will possess a solid knowledge of frontend development.
What you will be doing
The Software Engineer will be working as part of an agile team with other passionate, driven, and talented people, creating healthcare solutions. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using SaaS-Nest as well as industry best practices to deliver high value and quality to users.
What you bring (Experience Level & Mandatory Skills in potential candidate)
- Candidate should have strong fundamentals in modern frontend frameworks (Angular, React or others).
- Hands on experience in JavaScript, TypeScript, modern frontend frameworks.
- Good communication & presentation skills.
Desired Skills, Qualifications and Technical Requirements
- Graduate in Computer Science and/or Engineering.
- Hands-on knowledge of HTML5, CSS3, JavaScript, TypeScript, NPM
- Knowledge/Experience of modern web frameworks.
- Good knowledge of Object-Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015
- Good understanding of creational and structural design patterns in JavaScript
- Knowledge/Experience working with Single Page Applications (SPA) with universal rendering capabilities.
- Good understanding of the Web Components standard.
- Understanding of SEO and accessibility and making it part of the development workflow.
Bonus if you have
- Healthcare Industry experience
- Familiarity of working with TDD in JS with the help of frameworks like Jasmine, Mocha, Karma etc is a plus
Human Resources
SaaS-Nest Technologies Pvt. Ltd.
Company Introduction
https://polyglots.io">Polyglots is a young and innovative software development agency located in Pune, India. Our expertise is to build highly scalable applications and infrastructure solutions for our partners and budding startups.
We provide end-to-end solutions ranging from cloud architecture to backend services and modern frontend development. We leverage agile methodologies, software life cycle best practices and cutting edge technology to deliver perfect solutions reflecting our passion for software development.
We care about our company culture and invest in people to create the best teams of highly skilled developers.
Job Description
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Design mobile-based features
- Collaborate with other team members and stakeholders
- Stay up-to-date on emerging technologies
Skills And Qualifications
- Proficient understanding of web markup, including HTML5, CSS3
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Proficient understanding of client-side scripting and JavaScript. Familiarity with ES6 or Typescript would be a plus.
- Good understanding of Angular or React.
- Good understanding of asynchronous request handling, partial page updates, AJAX and Rest APIs.
- Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
- Working knowledge of server side technologies is a plus
Experience in implementing UI using DHTML, HTML5, CSS3, Bootstrap. Ability to interact with APIs based on HTTP and REST architecture and handle dynamic data on frontend. Experience in writing unit test cases for UI components. Knowledge about securing application and vulnerabilities such as XSS & CSRF.
Ability to work with remote teams with good communication and personal skills. Should have worked in Scrum & Agile methodologies.








