Senior React Js(Looking for an Immediate joiner)_Mumbai
Relevant in React JS: 2 + Years
Looking for candidates from Mumbai who can go to the office in Mumbai(Malad) after Covid ends.
- Knowledge of OO JavaScript
- 7.2. 10+ years hands-on experience with web development using
- HTML5, JavaScript (React, Preact.js, Redux, Redux, Vue.js,
- CSS3, SignalR, Socket.io)
- 7.3. Experience building responsive design layouts using a formal
- framework like Bootstrap and familiarity with best practices
- (web security concepts, ensuring browser & device
- compatibility, etc.)
- 7.4. Experience in creating secure pre-compiled script libraries.
- 7.5. Familiar with development and debugging tools for cross-
- browser issues
- 7.6. Experience integrating with RESTful APIs for server-side

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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.
About the firm:
Sustainability lies at the core of Stantech AI, our vision is to empower organizations to derive actionable insights: effecting a smarter way of working. We operate on the premise that each firm is unique and as such requires its own idiosyncratic solutions. Putting this principle into practice, we deliver tailor made solutions to digitalize, optimize, and strategize fundamental processes underpinning organizations. For more information, please refer to our website:
www.stantech.ai.
Position Overview
We are seeking a Senior Frontend Engineer with extensive experience in React.js and Redux. The ideal candidate is well-versed in modern frontend best practices, has a deep understanding of state management, and is passionate about delivering high-quality, scalable software. In this role, you will collaborate with cross-functional teams to design, develop, and maintain user-facing features that enhance our platform and deliver an exceptional user experience.
Key Responsibilities
- Architect & Develop: Lead the design and implementation of complex React.js applications with a strong emphasis on Redux for state management.
- Code Quality & Reviews: Write clean, maintainable, and testable code. Conduct peer code reviews and enforce best practices across the frontend team.
- Performance Optimization: Identify and troubleshoot performance bottlenecks; implement optimizations to ensure fast, responsive user experiences.
- Collaboration: Work closely with product managers, designers, and backend engineers to define technical solutions, estimate project timelines, and deliver high-quality features.
- Technical Leadership: Provide guidance and mentorship to junior engineers, helping them grow their skills in React, Redux, and modern frontend technologies.
- Process Improvement: Contribute to continuous improvements in our frontend development process, coding standards, testing practices, and deployment pipelines.
Qualifications
- React.js Expertise: 3+ years of professional experience in building complex, high-scale React.js applications.
- Redux Mastery: Proven track record of architecting and maintaining global state management solutions using Redux.
- JavaScript & ES6+: Strong command of modern JavaScript (ES6+), along with a solid understanding of HTML and CSS.
- Frontend Best Practices: In-depth knowledge of performance optimization, cross-browser compatibility, and responsive design.
- Testing & Tooling: Hands-on experience with Jest, React Testing Library, or similar frameworks. Familiarity with build tools like Webpack, Babel, and NPM/Yarn.
- Version Control: Proficient with Git and branching strategies in collaborative environments.
Financial Package
- Rs. 10–20 Lakhs per annum, contingent on work experience
If you are a passionate Senior Frontend Engineer with expertise in React JS and are looking to join a forward-thinking technology firm, we would love to hear from you.
As a member of the founding engineering team at Kombai, you'd work directly with the CTO and CEO to build a global product for the frontend dev teams from scratch. Together, we'd have a crack at several hard, high-impact problems - often involving challenges across product, engineering, and research areas.
Note: Unlike most organizations, the frontend developers at Kombai will not work primarily on the frontend of the product. Instead, they will work on developing the core product, which is for the frontend devs like themselves. That's why we are naming the roles as "product engineers", instead of the usual software developer/engineer nomenclature.
Desired Qualifications & Skillset
For all positions of our early engineering team we are looking for people who:
- Are fully hands-on with latest JS development
- Are good frontend and web application architects
- Are quick and agile
- Have a good learning, problem solving and logical aptitude
- Have a mindset to commit for 3-4 years
In addition to the above, the candidates for Senior Product Engineer should also have:
- Thorough understanding of good Frontend engineering & architecture practices. In our experience, this usually comes from working in an excellent frontend team with an excellent architect, on a complex applications
- Experience: 3-6 years
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/B.E/MTech or a related technical discipline from reputed universities
Skills Required :
- Minimum 3+ years experience in Front-End Development using ReactJS Framework
- Experience in consuming Restful Web services
- Strong hands-on experience on HTML5, CSS3, JavaScript, Bootstrap & CSS preprocessors
- Should be adept at converting PSD to HTML
- Should have knowledge of UI/UX
- Excellent development skills on best practices for cross-browser compatibility and Responsive UI.
- Good with agile development practices such as continuous integration and deployment
- Knowledge of Version Control System
- Write and maintain technical documentation
- Knowledge of MVVM Architecture
- Cares deeply about writing Quality, Testable & Modular code
Hands-on experience in React.js and Good understanding of core concepts
Hands-on experience in state management libraries like Redux.
Hands-on experience in HTML5 & CSS3 and JavaScript.
Experience integrating with Restful web services
Proficient with ES6/7/8 syntax and concepts
Proficient knowledge of cross-browser compatibility issues
Knowledge of modern authorization mechanisms, such as JSON Web Token
Experience with common front-end development tools such as Babel, Web pack, NPM.
1. Translate designs and style guides into functional user interfaces while ensuring cross browser compatibility, performance and good user experience.
2. Solid coding practices with peer code reviews, unit testing and a preference for agile development.
3. Strong sense of collaboration, ownership, urgency and drive.
Technical Skills Required
1. 2+ years of experience in professional front end web and mobile development.
2. Strong programming knowledge in JavaScript, OOJS and Angular 2.0+ is essential.
3. Understand the intericacies of DOM and have good knowledge of APIs' and their performance implications.
4. In-depth knowledge about HTML5 and CSS3 and can take necessary decisions while building responsive UI.
5. Experience using version control (Git).
6. Sharp analytical abilities with excellent problem solving skills.
Good to have
1. Development experience in ReactJS / React Native.
2. Experience in SEO and website optimisation would be great.
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 and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling
and improving front-end performance and documenting our front-end codebase.
To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and
React concepts, excellent front-end coding skills, and a good understanding of progressive web
applications. Ultimately, a top-class React.js Developer should be able to design and build modern user
interface components to enhance application performance.
React.js Developer Responsibilities:
• Meeting with the development team to discuss user interface ideas and applications.
• 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:
• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• 2years 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.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
- 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












