
· 7+ years of professional experience in front-end development.
· 7+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.).
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).

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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Job Description:
Job Title: Frontend Developer
Location: Kolkata
Experience: 1-2 years
Job Description:
We are looking for a talented Frontend Developer who is passionate about building high-performance, user-friendly, and scalable web applications. You will play a key role in architecting and implementing clean UI/UX experiences using modern frontend technologies.
If you enjoy solving complex problems, writing clean code, and working in a fast-paced product environment, this role is for you.
Key Responsibilities:
- Develop responsive, modular, and scalable UI components using React.js and Next.js (App Router).
- Implement reusable form logic using React Hook Form with schema validation using Zod.
- Manage data fetching, caching, and synchronization using React Query.
- Work with Redux Toolkit or Zustand for state management depending on project needs.
- Build dynamic and efficient tables and data grids using TanStack Table.
- Collaborate with designers and translate Figma designs into pixel-perfect, responsive UI using Tailwind CSS, Shadcn, and custom CSS.
- Ensure high-quality code with TypeScript, following best practices and strong typing.
- Optimize performance and maintain application scalability.
- Participate in code reviews, contribute to architecture decisions, and follow coding standards.
- Work closely with backend engineers to integrate APIs and improve the overall product experience.
Required Skills & Experience:
- Strong proficiency in Next.js (App Router), React.js, JavaScript, and TypeScript.
- Hands-on experience with Zod for schema validation.
- Practical knowledge of React Query for server state management.
- Strong understanding of Redux Toolkit and Zustand.
- Expertise in React Hook Form for handling forms at scale.
- Experience with TanStack Table for complex table functionalities.
- Solid understanding of Tailwind CSS, CSS, and component libraries like Shadcn.
- Ability to convert designs from Figma into functional UI.
- Good understanding of modern frontend architecture, state management, and best practices.
Profile: React.js
Location: Mumbai
Experience Required: 2+ Years
Employment Type: Full-time
Required Skills & Qualifications
- Experience: Minimum 2+ years of professional experience in React.js development
- Core Technologies:Strong proficiency in JavaScript (ES6+)
- Extensive experience with React.js and its ecosystem
- Solid understanding of HTML5, CSS3, and responsive design
- Experience with state management libraries (Redux, Context API)
- Knowledge of modern build tools (Webpack, Vite, etc.)
- Familiarity with version control systems (Git)
- Technical Skills:Understanding of RESTful API integration
- Experience with testing frameworks (Jest, React Testing Library)
- Knowledge of modern CSS frameworks (Bootstrap, Material-UI, Tailwind CSS)
- Familiarity with TypeScript is a plus
- Understanding of performance optimization techniques
About us:
Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behaviour to scan applications for 8300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.
Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities.
We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.
Role Overview:
As an SDE I Front-End Engineer at our company, you will play a crucial role in the development of the dashboard for our SaaS security platform.
Your primary focus will be on utilising Next.js, React, TypeScript, shadcn/ui (built on Radix UI), Tailwind CSS & TanStack Query to create an intuitive and efficient dashboard that meets the evolving needs of our users. You will have the opportunity to work alongside talented individuals, collaborating to deliver innovative solutions and pushing the boundaries of what's possible in web development. The role requires deep collaboration with the leadership, product, design, back-end and QA teams.
Join our team and contribute to the development of a cutting-edge SaaS security platform, where high-quality engineering and continuous learning are at the core of everything we do.
Key Responsibilities:
- Collaborate with product managers, product designers, and backend engineers to understand project requirements and translate them into code.
- You will research, design and code. What you create is also what you own.
- Develop consistent and user-friendly web interfaces based on Figma designs, using Next.js, React and shadcn/ui
- Utilize TypeScript for type safety and enhanced development workflows, ensuring code quality and reliability.
- Implement designs using shadcn/ui design kit (built on Radix UI) for consistent and modern UI components + utilize Tailwind CSS to style components and ensure a cohesive visual experience across the dashboard.
- Integrate Tanstack Query & Jotai for efficient data fetching and state management.
- Optimize web performance and ensure compatibility across different browsers and devices.
- Write clean, modular, and maintainable code while adhering to best practices, security and coding standards.
- Participate in code reviews, providing constructive feedback and ensuring code quality.
- Troubleshoot and debug issues pre/post production, ensuring timely resolution to minimize impact on users. Identify and correct bottlenecks and fix bugs.
- Ensuring timely delivery of the features/products
- Stay updated on emerging technologies and industry trends, incorporating them into the development process when appropriate.
Requirements
- 3+ year of work experience with Next.js (preferred) or React
- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience).
- Strong proficiency in Next.js and React, with demonstrable experience building web applications.
- Experience working with design systems and UI libraries, preferably shadcn/ui (built on Radix UI).
- Proficiency in CSS, particularly with Tailwind CSS, for styling and layout.
- Familiarity with state management libraries such as Tanstack Query(React Query)/Jotai.
- Familiarity with version control systems such as Git.
- Understanding of basic UX principles and what makes a great user experience
- Solid understanding of web development concepts such as HTML, JavaScript, and responsive design principles.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills, with the ability to work effectively in a remote team environment.
- Eagerness to learn and adapt to new technologies and methodologies.
Benefits
- Embrace the cosy remote work lifestyle.
- Feel the startup adrenaline pumping through your veins.
- Revel in our open, growth-centric ambiance; it's like a digital playground.
- Dive deep into the captivating world of cybersecurity.
- And yes, get ready for some unforgettable workcations—think Chikmagalur & Jim Corbett.
-
Strong knowledge and experience in
-
Javascript/Typescript
-
VueJs Framework.
-
State Management libraries like Vuex/ Pinia
-
Styling Languages like SASS/SCSS.
-
HTML5 / JQuery/ Bootstrap
-
WebSockets
-
PWA
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Knowledge in Ajax and REST APIs.
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Full understanding of the DOM and intricacies of client-side performance and browser compatibilities.
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Experience with performance optimization approaches (caching, CDN,etc.).
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A strong grounding in Frontend UI/UX Designing.
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Strong understanding of front-end optimization and debugging techniques
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An appreciation for data quality and consistency
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Experience working with git
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Experience working in Quasar Framework.
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Knowledge of Backend Technologies like Python, Django, SQL, Nginx.
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A keen eye for detail, striving for perfection
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Demonstrated strong analytical and problem-solving skills
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Self-starter who is able to take ownership of projects
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Design and build Frontend for SaaS application using Vue JS , Quasar Framework.
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Build reusable components and web pages and Integrate it with backend using Rest APIs .
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Uphold our high engineering standards and bring consistency to our product development.
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Javascript/TypeScript
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VueJS
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State menagement Vuex/Pinia/NgRx/Redux
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Any Frontend Libraries like VueJS/ReactJs / Angular
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Git
-
Ajax/Axios
-
UI/UX
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CSS/SASS/SCSS
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Have you worked on any Backend Technologies ? Please describe.
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Have you worked previously on Quasar Framework ?
Job Description:
We are looking for an exceptionally skilled Front-End Web Developer, who can work in a fast-paced environment primarily using the latest front-end development practices (WordPress, HTML / CSS, Svelte.js, Bootstrap / jQuery / JavaScript / PHP).
Responsibilities:
• Designing and building the website front-end.
• Creating the website architecture.
• Designing and managing the website back-end including database and server integration.
• Generating WordPress themes and plugins.
• Conducting website performance tests.
• Troubleshooting content issues.
• Conducting WordPress training with the client.
• Monitoring the performance of the live website.
We are looking out for Flutter Developers who will be running and designing product application features across various cross platform devices. We are looking out for someone who has experience using Flutter widgets that can be plugged together, customized and deployed anywhere. You should be passionate about writing code, and taking up full ownership of app development.
Qualification :
Bachelor's degree in computer science, software engineering, or a related field is preferred.
Experience :
Minimum 1 year experience in Flutter or Andriod App Development.
Responsibilities
- ● Building and shipping a robust application to Android/iOS devices using a single codebase
- ● Writing readable and clear code using Dart that will be extensively documented for future use and upgrades
- ● Sharing feedback and brainstorming ideas with teams to improve the development process
- ● Understand basic concepts of design for developing user friendly applications
- ● Stay up to date with the latest technologies
- ● Familiarize yourself with the different stacks and products.
- ● Lead development initiatives for other features
- Job Qualifications and Skill Sets
- ● Experience in development of Android/iOS applications and have deployed them on Google Play/App Store
- ● 3+ years knowledge in mobile app development
- ● In depth understanding of Object Oriented programming
- ● Familiarity using Git and IDEs like Android Studio & VS Code
- ● Understanding of the Agile Software Development Life Cycle and been exposed to
- Scrum projects
- ● Knowledge of Dart programming language, Rest APIs and integration of various APIs
- from third parties
- ● Comfortable using test cases for debugging code, enhancing performance and reliability
- ● Track record of successfully managing multiple company or customer websites
- ● Excellent time-management and communication skills
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 (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)
Your role would be to convert design specifications into beautiful and responsive web pages.
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
● Assure that all user input is validated before submitting to back-end
● Collaborate with other team members and stakeholders
Requirements
● Practical experience in building web pages in HTML/CSS on PHP
● Practical experience with jQuery for functional side of javascript
● Need to understand how to interlace PHP code with HTML code with loops, etc.
● Understanding of how to write modular code for different HTML snippets in PHP
● Experience with Bootstrap is a plus
● Good knowledge of working with Git is required
Fluency in modern JavaScript (ES6/7) and other frontend fundamentals (HTML5,
CSS3)
React( Native) knowledge
Knowledge of Java (Android) and Swift (iOS) is a plus
Willingness to travel for onsite assignments outside India
Responsibilities:
- Responsible for development of new highly-responsive, web-based user interface
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it 3.
- Building reusable components and front-end libraries for future use
- Translating designs and wire frames into high quality code
- Construct visualisations that are able to depict vast amounts of data
- Work with product team and graphic designers
- Learn and understand user interactions
Requirements:
- Deep knowledge of web standards
- Deep knowledge of JavaScript concepts and fundamentals
- Strong understanding of ReactJs. development, and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Experience of working with code versioning tools (such as Git, SVN)
- Familiarity with RESTful APIs
- Familiar with HTML, CSS and SCSS development
- Knowledge of bundlers such as Gulp/Web pack, ES6, Node etc..
- B.Tech from Tier 1 college.
- 3+ yrs of experience with front end technologies HTML and JavaScript
- 1+ yrs of Project experience with react











