
· 7+ years of professional experience in front-end development.
· 5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· 3+ Years Exp as Lead
· 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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CK-12 is on the lookout for talented, creative, and dedicated people to join our mission to provide great education to students around the world. We are looking for candidates to join our office in Bangalore.
We have a strong education platform that has served over 265+ million users, has got over 2.33+ billion questions answered, and more than 290,000 customized Flexbooks. We have embarked on an exciting journey to build an AI-powered student tutor and Teacher Assistant to build the next generation of learning platforms.
About CK-12 Foundation:
CK-12’s mission is to provide free access to open-source content and technology tools that empower students as well as teachers to enhance and experiment with different learning styles, resources, levels of competence, and circumstances.
To achieve this noble and ambitious vision, we at CK-12 are challenging the traditional model of education to transform it dramatically. Technology has opened up lots of opportunities to revolutionize education for the benefit of students, teachers, and parents.
We have chosen to be non-profit so that we can effectively realize our mission and do the right thing! It also provides us with the ability to experiment with big and bold ideas. CK-12 is backed by Vinod Khosla, a renowned technology venture capitalist.
At CK-12, you’ll experience the benefits of working in a dynamic, entrepreneurial, innovative, and non-bureaucratic environment where you will get a lot of cool things done you never imagined! We are a small group of passionate folks who are determined to disrupt the current form of education.
Technology is key to scale education and we deeply believe in it. Come develop great solutions on our cloud-based (AWS) and AI-first platform delivering rich and interactive content.
Does our mission, people and technologies excite you? If the answer is YES! and you are a great technologist who will challenge status-quo (no order takers please!) by innovating, please come join us! Together, we will change the world!
Check out our latest product offering: Introducing Flexi 2.0
- Flexi, our AI-powered Student Tutor – https://www.flexi.org/
- AI-powered Teacher Assistant – https://www.ck12.org/pages/teacher-assistant/
Location: Bangalore Office
Position: Frontend UI Developer (React)
Basic:
- Passion for creating great user experiences that are simple and intuitive
- Good understanding of CS fundamental algorithms and Data Structures
- Great problem solver
- Understands and researches different front-end frameworks and patterns to implement great user interfaces
- Implements solutions keeping in mind the user experience, multi-devices, performance across devices, and bandwidths
- Ability to work in an Agile environment with rapid iterations
- Creates and reviews high-level designs
- Creates detailed designs from high-level designs and reviews designs of other team members
- A Code Craftsman who follows the best software development and coding practices delivering understandable and maintainable code with thorough unit test coverage
Required:
- Bachelor’s or Master’s degree in Computer Science or equivalent
- At least 1 years of experience
- Hands-on with frameworks like React, Redux, Backbone, Webpack, Lerna
- Expert knowledge of OOP (Object Oriented Programming), design, and development
- In-depth knowledge of browser internals and architecture
- Expert in JS (OOJS), HTML5, CSS3, JSON, REST, XML, W3C standards
- Experience with responsive web design & frameworks media queries
- Experience with UI patterns (security, performance, usability)
- Familiar with version control systems (Git/Subversion) & build tools like Grunt
Desired:
- Experience with ES6, Node.js
- Worked in distributed/agile environments
- Performance optimization for scalable web apps
- Familiarity with LLMs (Large Language Models)
- Familiarity with Storybook (React) or similar frameworks
About One Impression
One Impression is one of the world’s largest influencer marketing platforms, working with 300+ global brands like Unilever, Nestle, and Amazon to connect with a diverse creator network. Our platform empowers brands and creators to collaborate seamlessly and scale their reach. To capture a significant share of global media ad spend, One Impression is quickly becoming the industry’s go-to influencer marketing platform.
Job Overview
We are looking for a seasoned Senior Frontend Engineer (SDE III) with over five years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.
As a Frontend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities:
- Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
- Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
- Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
- Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field
- 5+ years of experience in software engineering.
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software architecture, design patterns, and scalable system design.
- Expertise in multiple programming languages and modern development frameworks. For this we require expertise in JS/React, and React Native.
- Experience working with REST APIsMust have a knack for developing good looking frontend apps.
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
Why Join One Impression?
- Be a part of one of the largest influencer marketing platforms globally, working with top brands and influencers.
- Opportunity to lead and shape a fast-growing marketplace product.
- Competitive salary and benefits package.
- A collaborative and innovative work culture in a rapidly scaling company.
Job Title: Frontend Developer (React.js)
Location: Bangalore
Job Description:
Company is looking for a skilled Frontend Developer with experience in React.js to join our team at Timely.ai. In this role, you will be responsible for building and maintaining the user-facing side of our web applications. You will work closely with our designers and back-end developers to deliver high-quality, responsive, and interactive web experiences to our users.
Key Responsibilities:
- Develop new user-facing features using React.js
- Build reusable components and front-end libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Collaborate with other team members to design and develop new features
- Stay up-to-date with the latest advancements in front-end technologies and frameworks
Qualifications:
- Strong proficiency in React.js, HTML, CSS, and JavaScript
- Experience with Redux or other state management libraries
- Experience with webpack and other build tools
- Experience with unit testing and end-to-end testing
- Strong understanding of web development principles and best practices
- Strong problem-solving and debugging skills
- Proven ability to work in a fast-paced, Agile development environment
- Strong communication and teamwork skills
- Bachelor's degree in Computer Science or related field or equivalent experience
We offer a competitive salary, benefits package, and an opportunity to work on cutting-edge technologies with a dynamic team. If you are passionate about building great user experiences and want to make a difference in the world, we want to hear from you!
Please apply with your resume and a portfolio of your work
We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
React.js Developer Responsibilities:
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using react concepts.
- Writing application interface codes using JavaScript following react.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
React.js Developer Requirements:
- Previous experience working as a react.js developer.
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
Job Description: We are looking for a UI Developer HTML & CSS Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a desktop and mobile web app, with a focus on performance.
Key Skills: HTML5, CSS3, Bootstrap, Jquery and JavaScript.
Your responsibilities as a front end developer engineer will include:
- - Contribute to a full development life cycle, including: requirements analysis, functional design, technical design, programming, testing, documentation, implementation, and on-going technical support.
- - Work closely with the existing team to learn the current application architecture, design and understand its functionalities and complexities.
- - Bridge the gap between graphic design and backend technical implementation
- - Build modular, responsive templates using modern CSS techniques
- - Translate UI/UX design wireframes to actual code
- - Testing cross-browser, cross-platform, and/or cross-device compatibility for inconsistencies.
What we are looking for:
- - 4+ years of industry experience as a Front End Developer Engineer in ReactJS
- - Degree in Computer Science or related field
- - Experience with developing web and mobile applications
- - Extensive knowledge HTML5 / CSS3 / JavaScript / jQuery / Bootstrap / ReactJS
- - Strong experience in JSON/XML and REST/SOAP based Web Service based integration.
- - Experience (mandatory) with working Web Framework versions with exposure to creating components and handling AJAX calls.
- - Good to have knowledge in JIRA, GIT.
- - Strong knowledge of Client-Server Architecture.
- - Basic Proficiency with Python or relevant back-end scripting language
- - Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way
- - A positive attitude, and a growth mindset
- - Great attention to details
:Bonus
- - Experience with API testing software (e.g. Postman)
- - Good Humor
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Architecting and building the applications and coordinating with the teams
- Building other layers of the product infrastructure.
- Building pixel-perfect UIs across both mobile platforms.
- Leveraging native APIs for deep integrations with both platforms.
- Diagnosing and fixing bugs and performance
- Bottlenecks for performance that feels native.
- Reaching out to the open source community
- Implementing mission-critical software fixes
- Maintaining code and writing automated tests to ensure the product is of the highest quality.
What you need to have:
- Experience in building React-Native mobile apps for both Android and iOS platforms.
- Strong understanding of Javascript, ES6 and Clojure Scripts and ES6+ syntax
- Experience in building local storage-based caching and fast performing applications
- Experience with test suites like Mocha or Jest
- Strong understanding of how Redux
- Strong understanding of component state Management
- Experienced in RESTful API integration and good knowledge of how APIs work.
- Experienced in building modular app components that can be reused
- Experienced in creating React Native Bridges for deep integration with Native APIs
- Experience in writing automated test cases for mobile apps.
- Strong understanding of javascript and UI layouts in React Native
- Knowledge of ecommerce application development
- Contribute to front-end development of web applications
- Handle production incidents
- Working closely with stakeholders to ensure a smooth user experience
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high-quality code
Job Requirements:
- 2+ years experience in front-end web development is required
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Extensive experience in working with HTML5, CSS, Bootstrap and JavaScript
- Thorough understanding of React.js and its core principles
- Familiarity with newer specifications of EcmaScript
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with code versioning tools (such as Git, SVN, etc)
- Experience in developing an application with cross-browser compatibility in IE, Firefox, Safari, Chrome, including tablets, phone, etc
- Develop User interfaces for Modern Rich Internet Applications with the latest Front End Technologies Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
- Writing tested and documented JavaScript, HTML and CSS
- Make design and technical decisions for AngularJS projects.
- Ensuring high performance











