
· JavaScript, Typescript
· Any UI Framework (web components) - primarily React.js
· Rxjs
· State Management frameworks - redux
· Design Patterns
· Jest / WTR for testing
· Playwright, cypress - functional tests (good to have)

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.
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Need IMMEDIATE JOINERS ONLY.
Candidate must have Experience with Language React, Angular,MobX, and SCSS .
Candidate should have Hands-on experience working with RDBMS
Candidate should have developed from scratch.
Candidate should be more stronger in Angular.
Candidate from service based companies will be preferred.
To lead the development of robust, scalable, and visually engaging frontend applications that deliver exceptional user experiences. The Senior Engineer – Frontend will drive architectural decisions, implement best practices in UI/UX, and ensure seamless integration with backend systems. This role focuses on building high-performance, maintainable interfaces while mentoring junior engineers and contributing to the continuous improvement of the overall product development process.
Responsibilities:
- Partner closely with Product Owner and tech lead to discover, design, develop and deploy great financial tools and products that provide meaningful value to our customers.
- Develop, Unit tests and deploy components.
- Integrate UI application with rest APIs.
- Primary technologies focused on modern front-end - Advanced JS ES6, React, Redux, Angular Js and other modern JS frameworks, HTML/CSS.
- Troubleshoot and resolve issues in development, testing, and production environments.
- Stay up to date with emerging technologies and industry trends to continuously improve our tech stack.
- Mentor and guide junior engineers, fostering a culture of learning and growth.
Requirements:
- Bachelor’s degree in computer science, Engineering, or a related field (or equivalent experience).
- 7+ years of practical experience and proven success with the design, development and operation of complex web applications.
- Strong experience with modern and vanilla JavaScript and Typescript techniques including JSX and ES6/ES7 features
- Familiarity connecting to microservices, REST APIs, graph APIs, and other database- driven web applications
- Experience with third-party libraries and APIs
- Asynchronous programming including Promises, async/await, and ES7 generators
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Broad technical knowledge across a majority, with deeper knowledge in, the following: Web application development, Software engineering and/or testing; Data analysis.
- Excellent problem-solving skills and the ability to work in a fast-paced environment.
- Strong communication and teamwork skills.
Good to have:
- Experience in Node.js is a plus
- Experience in Databases (MySQL, Postgres) will be a plus
- Understanding of RESTful services
Certa (getcerta.com) is a Silicon Valley-based tech product start-up that is automating the vendor, supplier, and other stakeholder onboarding processes (think background checks, agreements, and the works) for companies across industries and geographies. With multiple Fortune 500 and Fortune 1000 clients, at Certa's tech team, you will be working on stuff that is changing the way huge companies do business.
Must Haves:
- Experience developing enterprise-grade quality software.
- 3+ years of experience building large-scale front-end applications using React.
- 3+ years of experience using type-safe JavaScript-based languages, such as TypeScript.
- Understanding of modern frontend ecosystems, including Bundling(preferably using vite), Linting, Testing and Releasing
- Success with mentoring mid-level & junior Engineers.
- Experience in Agile software development methodologies.
- Experience writing automated tests (e.g., Vitetest, Cypress, Jest, Testing Library).
- Experience in building, scaling & maintaining a design system from scratch.
- Experience in improving rendering as well as delivery performance for front-end applications.
- Experience in writing semantic HTML.
- Experience in building scalable, responsive, and cross-browser-compatible web applications.
- Experience in a peak-performance organization, preferably a tech startup.
- Experience working with a remote team.
- Data analysis experience, and understanding of how analytics can help with product decisions.
Bonus:
- Experience building integrations and data synchronizations with event pub/sub-models.
- Experience with WebGL
- Experience in building offline applications using Web Workers
- Open source contributions.
- Running his/her own blog.
- Experience with building 100% keyboard and screen reader-accessible applications.
- Experience setting up and customizing JavaScript tooling and building systems.
What will you do?
• Developing new user-facing features using React & Redux
• Build modular layouts, reusable code and libraries for future use
• Refactor, optimize and improve the existing code base for maintenance and scale
• Use test-driven development and acceptance tests to ensure feature quality
• Design and implementation of low-latency, high-availability, and performant applications
• Optimize application for maximum speed and scalability
• Work closely with back-end developers to make sure the user experience is implemented as it was conceived
Skills Required
• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, and Babel
• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
In-depth understanding of redux
• Understanding of RESTful APIs, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, and NPM
• Good understanding of Promises, Async/ Await and Callbacks
• Should have good knowledge of Socket
• Understanding the nature of asynchronous programming and its quirks and workarounds
• In-depth knowledge of object-oriented programming
• Understanding of JavaScript Development on the server side using NodeJS and Express would be a plus
• Knowledge of ES6 would be a plus
• Should have good hands-on experience on MongoDB, designing optimized database structures using MongoDB and writing optimized queries for better performance
UPCRED powers AI-Recommendation on Social Content Creators, helping them discover content monetisation and helping Brands/Businesses explore Influencer Marketing.
The company’s advert platform is powered by artificial intelligence, which is used by businesses for Influencer Discovery, Campaign Management, and Campaign Analytics through UPCRED Pixel Management.
Our technology visions to have one-third of the world's social consumers discover new things through recommendation feeds from their favourite social media creator and which connects advertisers to these audiences to grow their business.
UPCRED Social has long-term partnerships with a variety of digital content creators and has the vision to democratize the social earning for content creators in India.
UPCRED Advert wants to be an all-in-one influencer marketing platform designed to help businesses own their influencer relationships.
Responsibilities:
The React Developer will own and drive web development—including decisions about tools, technologies, and processes - for UPCRED.
This is an incredible opportunity for anyone interested in being a part of a high-performing, fast team with a massive learning curve. Our team moves fast and develops world-class products by pushing the boundaries of React development. If hired, you will be part of UPCRED's in-house Product & Engineering team.
Develop cross-browser & cross platform supported web applications in React which customers love using.
Work with product, design, backend teams to develop features.
Work on bindings and integrations required with react libraries & REST api's.
Plan, estimate, and delivery your project with minimal supervision.
Skills:
1 - 5 years of React experience with some hands-on experience with web application development.
Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred.
Experience with state management libraries such as Redux or MobX is a huge plus.
Proficient understanding of cross-browser compatibility issues and ways to work around such issues
Understanding of REST APIs, the document request model, offline storage, state
management.
Experience with Content/Video-based website.
Understanding of Social Video-based web Architecture
HOW?
Apply, and let us know your interest?
UPCRED, that's how we grow, fair and transparent!
Note: Candidates who is having a notice period of more than 45 do not apply
About our Client
Our client is a B2B2C tech firm backed by India’s largest retailer and tech venture capitalist founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech
It aims to become one app to manage all your brands loyalty points, cashback and coupons. It will have additional content and discovery layer for customers and brands for further engagement and commerce.
The company currently powers closed-loop loyalty programs for all different brands under its parent retail group. Currently, it has 20Mn+ registered customers and 3Mn MAU across 8 brands. Its vision is to be at the center of D2C Brands and the consumer consumption ecosystem
Job Location -Bangalore
Requirement
4+ years of experience building frontend for consumer facing products
2+ years experience on React .Jsand core principles
Good to have experience with popular React.native
Team Lead/Management experience
Develop all user-facing products in React
Thorough understanding of architecting the frontend system with Server Side Rendering –
Familiarity with modern front-end build pipelines and tools
Understands app development cycle
Flexibility and deadline driven
Regards
Team Merito
We have an urgent opening for the React JS Developer.
Must have hands on experience for at least 2 years.
We are US based IT Company.
Working 5 Days a Week.
Best package in the industry.
Responsibilities:
1. Developing new user-facing features using React.js
2. Developing and implementing highly responsive user interface components using react concepts.
3. Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
4. Troubleshooting interface software and debugging application code.
5. Monitoring and improving front-end performance.
6. Translating designs and wireframes into high-quality code.
7. Proficiency with agile development methodologies
8. Work and collaborate with the rest of the engineering team
Skills and requirements:
1. Thorough understanding of React.js or Vue.js and its core principles
2. Experience with popular React.js workflows (such as Flux or Redux)
3. In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
Roles & Responsibilities:
Take ownership of a product feature and build it end to end or enhance existing features.
Understand issues like slow loading, security, the response time of site, scalability, user
engagement, and write code considering these paradigms.
Contribute to the ways the platform can be made much more engaging and can reach out
to a larger audience.
Developing a new feature that is responsive and reliable on short notice.
Requirements:
2-8 years of professional experience in responsive Web Application development.
Working experience in React (Minimum 2+ years).
Good expertise in working with MVC architecture (Client-side).
Hands on experience in HTML5 CSS3 AngularJs, JavaScript (ECMAScript 5 & 6), Jquery,
Struts/Spring, Linux.
Proficiency in the design and development of responsive Web Applications.
Strong CS fundamentals in Object-Oriented Design, Data Structures, Algorithm Design,
Problem Solving, and Complexity Analysis.
Expertise in implementing highly interactive, multi-layered Web Applications.
Expertise in JSON & working with Web Services.
Ability to work on a given product/module in its entirety.
Nice To Have:
Basic knowledge in working with databases.
Good experience in working with server-side template rendering engines.
Experience in working with Search Engine Optimized pages.
Keen to learn & ready to adopt any new technologies.
Hands-on J2EE experience.
About Vedantu
If you have ever dreamed about being in the driver’s seat of a revolution, THIS is the place for you.
Vedantu is an Ed-Tech startup which is into Live Online Tutoring. We are a platform which aggregates
best teachers of the country and provide them with tools to deliver LIVE lectures to students anytime,
anywhere.
What drives us is a vision of bringing about a paradigm shift in the way people teach and learn. We
believe that education in today’s world is highly generalized with classroom teaching being done in a
“One Size Fits All” manner. We believe it is not effective and this should change. We are disrupting the
very notion of classrooms by making Quality Education Accessible. Our vision is to create a 'Knowledge
Network' where a learner and a learned can get connected with a click of a button and can learn-teach
in the most personalized way possible.
Vedantu is India’s leading online education company which specializes in LIVE interactive classes for
students across grades K1-12. It offers individual and group classes delivered by experienced Master
Teachers in a LIVE real-time, virtual learning through their patented platform. The indigenous platform
built for revolutionizing online learning captures 70+ parameters, helps drive high engagement and
interaction in a virtual class, and give students their personalized learning reports to help them
understand the knowledge gaps. Students can also access free content, take tests, and play a LIVE quiz
every day. 1Million+ students study LIVE every month on the platform and more than 25 Million users
every month from 1000+ cities and 40+ countries access free content, tests, doubts, videos on
Vedantu's platform, and its channels on YouTube. To know more about Vedantu log on to
www.vedantu.com or download the App on your Android or iOS device.
The platform WAVE: India’s first and only patented, revolutionary, interactive LIVE online learning
platform has been created after multiple years of deep research and experimentation in the field of
Live online teaching & Learning. Wave uses AI (Artificial Intelligence) and ML (Machine Learning) to
personalize teaching and learning for each child and is designed to make the Live class extremely
engaging and fun. At the heart of Wave platform are algorithms for which we have been granted an
extremely powerful and comprehensive IP Patent in the US for - ‘Measuring the Effectiveness of An
Interactive Online Learning System’. The biggest usp, besides its own patented platform are the quality
Master Teachers. We have 1000+ teachers who have taught more than 1 Million hours to 40,000+
students spread across 1000+ cities from 30+ countries. Founded by IITian friends Vamsi Krishna (CEO
& Co-Founder), Pulkit Jain (Co-Founder & Head of Product) and Anand Prakash (Co-Founder & Head of
Academics) have been teachers themselves with over 13 years of teaching experience, have taught
and helped over 10,000 students for a better future.
Vedantu caters to 1st grade to 12th grade and prepares for school exams, competitive examinations
and co-curricular courses as well.
More Background:
Vedantu is the second venture in education by Vamsi Krishna, Anand Prakash and Pulkit Jain. Their first
venture in education, Lakshya was an offline coaching class for JEE opened in Patiala, 2006. The
successful venture was acquired by a listed company Mahesh Tutorial in 2012. As part of Lakshya the
founders taught and mentored more than 10,000 students and trained more than 200+ teachers.
Started in 2014, Vedantu was the first company to start with LIVE interactive teaching in the country.
Today, Vedantu is a market leader in K-12 online LIVE tutoring space. It offers LIVE interactive classes
to students across grades K1-12, for all major boards and top competitive exams like JEE and NEET.
Vedantu has recorded a growth of 220% during lockdown with more than 2 Mn students attending
LIVE classes and teachers delivering 8 Mn+ hours of LIVE classes. With this definitive shift in consumer
behavior from offline to online, Vedantu is investing to scale impact, expand into new categories, and
firmly establish itself as the leading brand in the online LIVE tutoring space.
During the pandemic, Vedantu entered the early learner segment with the launch of its coding
program for 6-12 years called Vedantu Super Coders. The company has plans of launching more
programs in this category.
Our Leaders :
Vamsi Krishna – CEO & Co-founder: https://www.linkedin.com/in/profilevamsikrishna/
Pulkit Jain – Co-founder & Head of Products: https://www.linkedin.com/in/jainpulkit/
Ranjan Sakalley – Head of Technology & Engineering: https://www.linkedin.com/in/rnjns/
Krishna Mohan Gadi – VP-Products: https://www.linkedin.com/in/krishna-mohan-gadi-416b156/
Funding :
We are a Series-D funded start-up with a total funding of $ 200 million from Coatue( invested
Swiggy) global VCs like Accel Partners, Tiger Global and GGV Capital.
Know more about Vedantu:
Recent Interview by Vamsi: https://yourstory.com/video/money-matters-build-grow-vedantu-journey-
second-valued-edtech-startup-india-vamsi-krishna
TedX talk by Vamsi:
Everyone is a teacher! | Vamsi Krishna | TEDxWalledCity
Articles for reference:
- https://www.cbinsights.com/research/report/future-unicorn-startups-billion-dollar-companies/
- https://yourstory.com/video/money-matters-build-grow-vedantu-journey-second-valued-edtech-
startup-india-vamsi-krishna
- https://yourstory.com/2020/02/ys-exclusive-edtech-startup-vedantu-vamsi-krishna-online-tutoring
- http://bweducation.businessworld.in/article/Vedantu-Organise-3-Day-Revision-Camp-From-20th-
To-22nd-Feb-/20-02-2020-184651
- https://www.forbesindia.com/article/edtech-special/the-huge-investment-opportunity-in-
edtech/57733/1
- https://www.forbesindia.com/video/coronavirus/startup-circle-how-vedantu-became-indias-
second-most-valued-edtech-firm/61229
- http://bweducation.businessworld.in/article/Vedantu-s-Usage-Soars-During-Coronavirus-
Pandemic-/19-05-2020-192538
- https://inc42.com/buzz/indias-hike-meesho-vedantu-emerge-as-2019s-best-apps-on-google-play/
- https://www.buzzincontent.com/story/vedantu-single-s-21dayslearningchallenge-garners-more-
than-40-million-views-on-instagram/
Awards and Recognition:
Vedantu: CNBC Young Turks 2016
TedX Delhi Speaker on Education
Vedantu: KINSES (Kaisen & Insead & NYU Stern Education Symposium)) 2016 EduAwards
Vedantu: DNA & Stars 8th Innovative Education Awards on “Best Organization to Develop
Technology For Education”
Vedantu: 5th ELETS World Education Summit award 2015
Vedantu: 'Best Education Startup' by Indian Startup Entrepreneurship & Disruptive Innovation
Awards 2015
Vedantu: Sutra HR: Featured as one of the Top 100 Startups to Watch in 2016
Lakshya: TATA-NEN Hottest startup award in 2010
Lakshya: FYSE Top 100 startups in South East Asia
Join in - let’s together solve some real Challenges
The real challenge lies in making something groundbreaking. To take on the status-quo and defeat it. To
follow what is already been done, where’s the fun in that? We are on to some big challenges which are
just waiting to get solved. Also, because we are not an extensively big team, you will be owning more
than just a position, you will be owning huge ideas and features from the very start.
We put the willingness and passion to learn & build above anything else and if you think you
have got it in you, don't let these skill requirements deter you from applying.











