
· 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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About the Role
We are looking for a motivated Frontend Developer Intern who is passionate about building modern, scalable, and high-performance interfaces. You will work on production-grade applications built with Next.js, React, Tailwind CSS, and TypeScript, and collaborate directly with senior engineers to deliver high-quality UI components and user experiences.
This internship will give you hands-on exposure to real engineering workflows, version control, code reviews, and agile development.
Key Responsibilities
- Develop responsive and accessible UI components using Next.js, React, Tailwind CSS, HTML, and CSS.
- Work with TypeScript to ensure readable, safe, and maintainable code.
- Integrate APIs and handle client-side state management.
- Collaborate with backend and design teams to implement end-to-end features.
- Maintain component-level consistency, performance, and reusability.
- Write clean, modular code following best practices and coding standards.
- Contribute to improving UI/UX through thoughtful design and user-centric development.
- Work with MongoDB when required for basic CRUD operations or prototype integrations.
Required Skills
- Strong understanding of React.js fundamentals.
- Hands-on experience with Next.js (SSR, SSG, API routes).
- Solid knowledge of Tailwind CSS, HTML5, CSS3, and modern styling practices.
- Basic understanding of TypeScript.
- Familiarity with Git/GitHub workflows.
- Understanding of responsive design principles and accessibility.
Good to Have
- Certifications in Tailwind CSS, CSS, or Next.js (highly preferred).
- Knowledge of component libraries, animations, or design systems.
- Understanding of MongoDB basics.
- Exposure to UI/UX tools (Figma, Adobe XD) is a plus.
Eligibility
- Students currently pursuing a Bachelor's/Master's in Computer Science, Engineering, or a related field.
- Fresh graduates may also apply.
- Ability to dedicate full-time hours during the internship period.
What You Will Gain
- Mentorship from senior engineers and architects.
- Experience building production-grade frontends for modern SaaS/AI products.
- Opportunity to work in a fast-growing, innovation-driven environment.
- Strong portfolio additions through meaningful project contributions.
Work Mode
- Fully Remote
- Flexible working hours
- Merit-based growth and long-term opportunities
Role:
Senior Frontend Developer
Role Description:
Desired Experience Range 5+ years
Location: Mumbai / Work from Home
Work Experience:
Minimum 5+ years of professional experience in HTML, CSS, AngularJS
Requirements:
- Must have hands on experience in AngularJS, NodeJS
- Must have hands on experience in HTML 5, CSS 3
- Must have hands on experience in developing responsive layouts
- Must know how to test frontend layouts for various devices and resolutions
- Must have hands on experience working with SCSS
- Must have worked with Git
- Understanding of SDLC process
- Good to have knowledge of Jira
Key Responsibilites:
- Converting layouts to HTML/CSS
- Integrating the created HTML/CSS into the dynamic Slate platform
- Consuming APIs in AngularJS
- Setting up oAuth token exchange in AngularJS
- Looking into any bug fixes post go live
- Helping the junior developers
Reporting
Candidate will report to the Engineering Lead
We are building new-age billing and pricing infrastructure for SaaS companies. As SaaS pricing evolves from vanilla subscription-based models to more granular usage-based models, billing and pricing infrastructure needs to be completely reimagined.
We're building our founding team and are looking for a front-end developer, who can take ownership of the user-facing side of our product. Your primary roles and responsibilities will evolve as the team grows.
Responsibilities:
- Taking full ownership of building a pixel-perfect frontend product
- Understanding code quality, maintainability, modularity, and scalability
- Break down large tasks into independent smaller chunks
- Implementing good testing practices to ensure rapid iteration
- Communicating with both technical and non-technical stakeholders to understand their points of view and to discuss your own ideas
Requirements:
- A basic understanding of backend development is a plus
- 1-3 years of experience
- Capable of building the frontend part of web applications with minimal guidance
- Proficiency in Javascript, Reactjs, HTML, and CSS
- Knowledge of other Javascript frameworks is a plus. Tailwind CSS/Tailwind UI experience is preferred but not required.
- Comfortable with frontend build systems
- Good understanding of frontend optimization
- Good at making a designer's design come to pixel-perfect reality
- Good at making decent interfaces from basic wireframes (without a designer's help) when needed
- Understanding of SSR is a plus, but not required
- Familiarity with billing systems, CPQ, and accounting systems is a plus
- Entrepreneurial mindset
- Self-driven individual with high ownership and a strong work ethic
- Good communication skills.
Benefits:
- Health insurance
- Generous vacation policy
- Learning and development budget
- Team events and company offsites
- Choose your laptop
- Maternity and Paternity benefits
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Ensure high-quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies
• Write functional requirement documents and guides
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements
As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.
To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.
Responsibilities:
- Determining project requirements and developing work schedules for the team.
- Delegating tasks and achieving daily, weekly, and monthly goals.
- Liaising with team members, management, and clients to ensure projects are completed to standard.
- Identifying risks and forming contingency plans as soon as possible.
- Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
- Keeping up-to-date with industry trends and developments.
- Updating work schedules and performing troubleshooting as required.
- Motivating staff and creating a space where they can ask questions and voice their concerns.
- Being transparent with the team about challenges, failures, and successes.
- Writing progress reports and delivering presentations to the relevant stakeholders.
Requirements:
- Bachelor's/Master's degree in computer science, engineering, or a related field.
- A 3-4 years of experience in a similar role would be advantageous.
- In-depth experience in working with Reactjs and Go.
- Excellent technical, diagnostic, and troubleshooting skills.
- Experience with blockchain technology preferable.
- Strong leadership and organizational abilities.
- BE Computer Science, MCA or equivalent
- Cloud app development experience
- Developed micro services
- Strong NodeJS experience
- Experience with RabbitMQ is a PLUS
- Experience with MQTT is a PLUS
- Fullstack experience and especially with ReactJS desired
- Experience with SQL and NOSQL databases
- Strong communication skills
Responsibilities
- *You will be working on AI/IOT cloud and responsible for architecture and hands on coding.
- *We need someone who can engage in conversations about technical architecture with internal team and external customers.
- *You will be responsible for creating architecture document, writing pseudo code, explaining design and teststrategy,review work by others in the team, give good guidance, and ensuring the delivery of high-quality software.
- *We are looking for Can do it attitude, and ability to deliver with high velocity and high-quality at the same time.
● Work with your team to improve our conversion rates by coding out variations for A/B
testing
● Build better user experiences
● Rigorously educate yourself with the latest development techniques and best practices
● Proactively anticipate issues and develop solutions
● Clearly communicate solutions to team members both verbally and in writing
documentation
● Implement new digital technologies or development techniques that help to meet business objectives
What You Bring to the Table
● 1+ years of front-end development experience
● Experience with responsive web design and the ability to deliver outstanding functionality to the range of client devices from desktops and laptops to mobile platforms
● Familiarity with at least one JavaScript framework (MVW) and know when to do without
one when necessary.
● Understanding of HTTP and how clients interact with a web server.
● Solid understanding of best practices. You read the YDKJS books.
● Capable of coding in ES5 and ES6 and understand the difference between them
● Up-to-date on HTML5 and CSS3 features
● Passionate about supporting all browsers, including IE8 and IE11+
● Practical experience in design techniques for web UI applications
● Demonstrated ability to roll up sleeves to develop and implement new features and
functionality
● Possess an excellent understanding of creative tools in order to develop leading-edge
web pages with interesting and innovative client-side capabilities
● Be independently driven and resourceful to deliver results with minimal direction
● Have an entrepreneurial spirit with a drive to contribute new ideas for future development
● Have the ability to work with UX and technical teams to get things done
● Have the ability to handle multiple, competing priorities in a fast-paced environment
● Have excellent verbal and written communication skills
Pluses
● Experience working in an agile development environment
Super Pluses
● You know how to polyfill features that aren't cross-browser friendly.
● You understand the same-origin policy and cross-origin resource sharing.
● You understand prototypal inheritance vs classical inheritance.
Your role and our tech stack
Reporting to the founder, you will be expected to develop, deploy and oversee the execution of the tech strategy, product road-map and operations to ensure alignment with our businesses goals as we grow and scale. You will play a key part in the organisation's success, taking the current MVP and developing it further to move the company through to early stage funding and into profit.
Quesst's is built using React.js [Frontend], Node.js [Backend], PostgreSQL [DB], Amazon EC2 [Application Hosting], Amazon S3 [Media Storage Service], and Amazon SES [Email Sending Service]. You will be responsible for implementing full-stack features and collaborate with other team members to plan each sprint. You’ll be working across the entire system architecture and be responsible for designing, implementing and maintaining restful APIs, micro-services and databases.
We're looking for developers who are interested in solving problems. We like people who are willing to work across the technology spectrum.
An example of a typical problem would be a product feature that requires UI/UX (Typescript/React/HTML/SCSS), server changes (Java/Scala/R), and database changes (MySQL).
You will own some or all of a product/feature. You will also mentor others, read and review code, maintain code, deploy code, tune the performance of systems, as required.
Requirements :
- We're looking for 4 years or more of relevant work experience. That being said, if you think you have the necessary skills to make the number irrelevant then do talk to us
- Proficiency in Java, JavaScript, and sufficient knowledge of database concepts to write efficient queries
- Working experience in one or more of React, Redux, Typescript, and associated tools such as Webpack, Grunt, Gulp etc.
- Working experience in HTML, (S)CSS
- Working experience writing unit/functional/integration tests
- Knowledge of Java 8 features such as streams and lambdas is a plus
- Knowledge of REST concepts and design is a plus
- Knowledge of ES6 features/syntax is a plus
- Knowledge of functional programming concepts is a plus
- Knowledge of build/deploy tools such as Ant, Maven, Gradle, Ansible, Chef, Puppet etc. is a plus
- Knowledge of one or more scripting languages such as Awk, Bash, Perl, Python, Rubyetc. is a plus
- Ability to use modern IDEs such as VSCode, IntelliJ IDEA, Eclipse etc. is a plus
- Knowledge of container technologies such as Docker, Kubernetes, etc. is a plus
Bonus Points :
- For product experience. We're a product company. Talk to us if you have worked on software products
- For startup experience. Have you worked in a any startups? We're always looking for people who have startup experience
- If you've developed and deployed any software for your own, or others- use
- If you've contributed to open source projects
- If you've spoken at developer conferences, published articles in tech websites, published podcasts
- If you communicate well. Do you blog? Can you explain ideas clearly and succinctly? Can you answer questions in short, clear sentences?
- If you have technical certifications such as AWS, Docker, Redhat etc.
- If you're self taught. Have you learned other programming languages, technologies etc. on your own? Share the details of the courses you took online, for instance.
- For deep knowledge in one or more areas. We like people who dig down, understand concepts in detail
- If your code/work is out there in public. We'd love to see what you've developed and deployed to the external world
Good to have: Javascript, HTML, CSS, etc.,









