
What you’ll do:
● Own and build next-generation web applications which are efficient, reusable front-end abstractions
and systems.
● Explore and design lively and compelling consumer experiences.
● Ensure that all the assigned systems are performing to scale.
● Actively participate in design and code reviews to build robust applications and prototypes
● You will mentor junior engineers on design and proper coding practices
What you will need:
● A deep expertise in Angular / React, Javascript, HTML5 and CSS3.
● Understanding of browser internals and a basic understanding of the network stack.
● Understanding of common design patterns followed in front-end projects.
● Basic awareness of application security practices and deployment techniques for front-end projects.
● Should have sound knowledge in computer science fundamentals like data structure, object-oriented
programming and possess excellent communication skills.

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 Title: Senior Frontend Developer (Angular) – L4
Location: Mumbai
Experience: 7–12 Years
Role Overview
We are seeking an experienced Angular Developer (L4 level) with strong expertise in modern frontend technologies to build scalable, high-performance web applications. The ideal candidate will have deep experience in Angular, TypeScript, RxJs, ngRx, and a strong focus on unit testing and code quality.
Key Responsibilities
- Develop and maintain complex web applications using Angular (latest versions)
- Write clean, scalable, and maintainable code using TypeScript
- Implement reactive programming patterns using RxJs
- Manage application state effectively using ngRx (Store, Effects, Reducers)
- Design and implement reusable, performant UI components
- Ensure high code quality through unit testing (Jasmine/Karma or similar)
- Collaborate with backend teams, UX designers, and product stakeholders
- Optimize applications for maximum performance and scalability
- Participate in code reviews, architecture discussions, and technical decision-making
- Troubleshoot and debug complex application issues
Required Skills
- Strong experience with Angular (v10 or above preferred)
- Proficiency in TypeScript, JavaScript (ES6+)
- Hands-on expertise in RxJs (Observables, Operators, Subjects)
- Solid understanding of ngRx architecture and state management concepts
- Experience in Unit Testing frameworks (Jasmine, Karma, Jest, etc.)
- Knowledge of REST APIs and integration
- Familiarity with HTML5, CSS3, SCSS, and responsive design
- Understanding of frontend performance optimization techniques
- Experience with Git/version control systems
Preferred Qualifications
- Experience with CI/CD pipelines
- Exposure to micro-frontend architecture
- Knowledge of Agile/Scrum methodologies
- Familiarity with AWS/Azure or cloud-based deployments
- Strong problem-solving and analytical skills
- Behavioral Competencies
- Strong communication and collaboration skills
- Ability to mentor junior developers
- Ownership mindset and attention to detail
- Adaptability in a fast-paced environment
Seniority Level
L4 (Senior Individual Contributor)
Expected to drive modules independently and influence technical decisions
Job Description
What will you do at MediBuddy?
- Define the architecture to build modern, performant, efficient front-end systems and user-facing features that drive complex web applications.
- Collaborate with mobile application teams to define and implement a coherent, extensible front end architecture.
- Write clean, fast, compatible, easy-to-use, testable code to build modern web applications.
- Ensure the technical feasibility of UI/UX designs.
- Optimize applications for maximum speed and scalability.
- Lead the definition of policies for building secure web applications, and ensure that security standards are adhered to.
- Collaborate with other team members and stakeholders to ensure team targets are met. Explore existing systems, and determine areas of complexity and potential risks to the successful implementation of advanced visualization products.
What makes you a match for us?
- B.E/B.Tech or higher from top-ranked colleges.
- 5+ years of experience architecting and building modern, progressive, responsive web applications across desktop and mobile.
- Expertise in Javascript and Typescript, and frameworks such as NextJS, ReactJS, and VueJS. Ability to work on the server side of web applications as needed.
- Expertise in HTML, CSS, Bootstrap, Tailwind, and Other CSS Frameworks, and server-side CSS pre-processing platforms, such as LESS and SASS 3.
- Good understanding of, and experience working with web technologies such as Http, REST and GraphQL APIs, asynchronous request handling, partial page updates, and advanced web performance.
- Knowledge of, and experience with, SEO principles and best practices, accessibility, and internationalization, and ensuring that applications will adhere to them.
- Expert knowledge of web application vulnerabilities, how to protect against them, and ensuring adherence across all web applications.
- Obsession with web performance optimization, and expert knowledge of tools used to monitor and tune performance.
- Experience taking a leading role in building complex software systems that have been successfully delivered to customers. Demonstrated ability to communicate with users, other technical teams, and senior management, to collect requirements, describe software product features, technical designs, and product strategy.
- Knowledge of professional software engineering best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
- Experience mentoring junior software engineers to improve their skills, and make them more effective, productive software engineers
- Able to learn large scale complex systems quickly.
Key Responsibilities:
- Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
- Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
- Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
- Architecting and automating the build process for production, using task runners or scripts.
- Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
Skills and Qualifications:
- Should have experience with CSS 3, SCSS, Java script and HTML5.
- Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
- Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material
Skills Required:
" Experienced with front end programming language with React JS.
" 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).
" Knowledge of modern authorization mechanisms, such as JSON Web Token.
" Familiarity with modern front-end build pipelines and tools.
" Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
" Candidates with Good communication Skills.
- Overall 4 years development experience with 2+ years of professional experience working with React Native
- An understanding of React Native best practices and a commitment to following them.
- Experience with popular React Native workflows such as Redux and ESLint, Jest, Enzyme.
- Experience with Agile development, scrum.
Skills / Requirements
· Experience: 2-5 years
· Must Have: HTML / CSS / JavaScript
· Must Have: Angular development, Exposure to NodeJs
· Good to Have: Ionic
Essential Job Duties and Responsibilities
· Work with the Project Architects & Business owners to understand requirements
· Create performant, efficient code
· Design and development of features/modules
· Code review, Testing and Deployment
· Manage, Guide and Mentor team resources.
Desired Attributes
· Understanding of good system design, reusable components, extensibility etc.
· Excellent written and spoken communication skills
· Proven working experience in web and server-side programming.
· Experience with any MVC Framework
· Hands on knowledge of any source control Git
· Understanding of web applications including security, session management, and best development practices
· Experience working in an Agile / Scrum development process will be a bonus
· Exposure to testing frameworks for the Unit test, Integration test, and automated testing
Qualification
B.E / B.Tech / M.E / M.Tech in Computer Science or Electronics & Communication / BSC IT / BCA/ MCA.
Employment Type
Full time.
Requirements:
Bachelor’s or Master’s Degree in Computer Science, Engineering or related field of study.
3+ years of experience in developing web applications using Javascript, HTML, CSS.
2+ years of experience using ReactJS
Skill Set:
- Expert in Reactjs
- Proficient understanding of web markup, including HTML5, CSS3, client-side scripting and JavaScript frameworks, including jQuery.
- Good understanding of server-side CSS, pre-processing platforms, such as LESS and SASS
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- 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.
- Good understanding of cross-browser compatibility issues and ways to work around them







