
ReactNative ● Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices.

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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As a Frontend Developer, your responsibilities will include:
- Developing new user-facing features using React.js and integrating with backend services.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance across a broad spectrum of web-capable devices and browsers.
Key Performance Indicators:
- Efficiency and quality of the code developed.
- Adherence to project timelines and delivery milestones.
- Positive stakeholder feedback on usability and design.
- Continuous improvement and adoption of best practices in frontend development.
Prior Experience Required:
- Minimum 3+ years of experience in frontend web development.
- Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
- Extensive experience with React.js and its core principles.
- Strong proficiency in HTML5, CSS3, and modern frontend development tools.
- Experience with popular React.js workflows (such as Redux).
- Familiarity with newer specifications of EcmaScript.
- Experience with data structure libraries (e.g., Immutable.js).
- Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
- Good to have: Experience with TypeScript and Next.js.
Location:
Hyderabad
Collaboration:
The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.
Salary:
Competitive, based on experience and market standards.
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Language Skills:
- Strong command of Business English, both verbal and written, is required.
Other Skills:
- Excellent problem-solving skills.
- Looking for perfection in development
- Taking Ownership and Accountability in a fast-paced environment.
- Proficiency in code versioning tools, such as Git.
- Knowledge of modern frontend build pipelines and tools.
- Experience with responsive and adaptive design.
Additional Requirements:
- Portfolio of previous projects that demonstrates expertise in frontend development.
- Familiarity with agile methodologies.
- Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.
Employer:
About RaptorX
RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.
The ideal candidate will have at least 2 years of experience in developing scalable and responsive web
applications, and will be able to work collaboratively with other developers and stakeholders to deliver
high-quality software products.
Responsibilities
● Develop and maintain responsive and scalable web applications using React and JavaScript
● Write clean, efficient, and maintainable code that adheres to coding standards and best practices
● Collaborate with other developers and stakeholders to design and implement software solutions
that meet business requirements
● Work with UX/UI designers to implement user interfaces that are intuitive and visually appealing
● Optimize web applications for maximum speed and scalability
● Participate in code reviews, testing, and debugging to ensure that the software meets quality
standards
● Stay up-to-date with the latest industry trends and technologies, and make recommendations to
the company on how to best incorporate them into its products and services
● Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
● Competent in building single page web applications using Node.js and React Js
● Redux for state management
● Universal rendering (Client-side rendering and Server-side rendering)
● Experience with cross-browser, cross-platform, and design constraints on the web
● Experience in developing automated unit and functional tests
● Experience in an agile development process
● Solid knowledge of algorithms and design patterns
● Have a passion for quality and writing clean, readable code that scales and performs well
● Good interpersonal communication skills
Desired Candidate Profile
● At least 2 years of experience in developing web applications using React/NextJS/VueJs and
JavaScript
Do you thrive on working with cutting-edge technology, with innovators in the early stages of ideas, products, or platforms? Do you have the passion to be a core member of a fast-growing start-up? Are you an expert or aspiring to become one who can work on the Full Stack of an application? Do you have a genuine interest in all software technologies? If the answer is yes, do reach out to us - Crediwatch is the place for you!
You will be exposed to work on every level of the stack in a highly agile, fast-growing, start-up FinTech environment while ensuring Breakthrough Simplicity in innovation and Diving Deep to arrive at a solution-based approach to problem-solving and idea creation.
The environment at Crediwatch is vibrant and innovative! You will learn and regularly interact with peers who are the best at what they do and will motivate you to be the best version of yourself, technically and professionally.
The Role Expectation
-
You will play a key role in the design and development of the core UI, working directly with the Product team on realizing their needs and translating it into the product.
-
You will be involved in developing user-facing features using React.js, building reusable components and front-end libraries for future use, and translating designs and wireframes into high-quality code
-
You will participate in the overall design and architecture of the application, maintaining quality and ensuring performance and compliance to software standards and guidelines
-
You will help in optimizing components for maximum performance across a vast array of web-capable devices and browsers
-
You will adhere to the best practices of the Agile & TDD
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You will collaborate with the rest of the engineering team to design, prioritize and launch new features.
-
You will take ownership for organizing code and maintain its integrity at all points in time.
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You will be responsible for understanding and implementing security and data protection best practices
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Guide and mentor to the team and help them grow in a professional and personal capacity
-
You will bring in a passion for technology and hunger to learn
You Have
-
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
-
Thorough understanding of JavaScript frameworks and browser
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Experience with popular Rearect.js workflows (such as Flux or Redux)
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Experience with utility libraries (e.g., Immutable.js, Lodash, Underscore)
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Familiarity with RESTful APIs
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Knowledge of modern authentication and authorization mechanisms such as Oauth2.0 and SAML2.0 and exchange of claims using JWT tokens
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Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
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Good understanding of browser JavaScript engines and its compatibility issues
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A knack for benchmarking and optimization
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Familiarity with CI/CD tools and technologies
Good to Have
-
Knowledge of isomorphic React is a plus
-
Knowledge or experience of back-end languages and technologies
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Prior experience in developing code on large scale distributed systems and knowledge of cloud deployments on AWS/Azure
-
Prior experience working in a fast-paced start-up environment.
Your Background
-
At least 2 - 4 years of hands-on development experience
-
A bachelor’s or master’s degree in a related field
You Believe-in & will align with our Business Objectives
-
Customer Obsession - Consistently listen to customers; test, enhance and improve the customer experience.
-
Breakthrough Simplicity - An innovative approach to making everything simpler
-
Diving Deep -Technique used to arrive at a solution-based approach to problem-solving and idea creation
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Drive for Results - Focus on end result of any task
-
Encourage and Improve - Encouraging and promoting teamwork and focus on continuous self-development at every stage.
-
Be Ethical and Respectful - Willingness to do the right thing – even if it is hard; courteousness and being focused on the best in others.
Who We Are
We build innovative technology everyday!
Crediwatch is a ‘Data Insights-as-a-service’ company that provides lenders, businesses with actionable credit intelligence on private entities they need to improve trust and increase their lending and trading activity. Crediwatch does this with no human intervention by deploying the latest practical AI and technology tools that provide the most reliable comprehensive real-time inputs.
Each day at Crediwatch is about striving for transparent insights, analysis, and accurate results. If this aligns with your interests and aspirations, we have interesting positions for you.
You Will Enjoy
Our start-up environment - fun, casual, informal, family & pet-friendly! Ours is a highly energized playground where brilliant minds come together to make bold, impactful decisions every day! Needless to say, we have excellent filter coffee, health drinks round the clock, lunch buffets, PS4, and Foosball breaks, and a stocked kitchen. We play to win and have fun doing it! We work to engage your brain by organizing brilliant TechTalks by industry leaders and frequent high-on-energy hackathons and engage your crazy fun side at our well-planned retreats. We are a highly eco-conscious team and we encourage and support our team’s physical & mental wellbeing.
All these and a great set of people to work with - We Are Crediwatch!
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.
Requirements:
- Bachelor’s degree in computer science, information technology, or a similar field.
- 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.
- 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.
- We are looking for techies with a passion to develop high-performance web applications.
- If you are interested and looking to build scalable and high-performance apps, then join us. We are building web app based on React with server-side rendering. For mobile, we are building PWA.
Roles & Responsibilities :
1. Build scalable web applications using ReactJS, Redux and other related libraries.
2. Integrating back-end API's with front-end.
3. Build reusable code and libraries for future use.
4. Optimize application performance and reduce page loading speed.
5. Solid experience in architecting and implementing highly scalable front-ends in modern technologies such as React or Vue.
6. Gathering requirements from design and technical staff and client on web development needs/Defining effective solutions for business and process problems.
-Proficient understanding of web markup, including HTML5, CSS3
-Knowledge of JS based build tools like Grunt, Gulp, and Bower
-Knowledge of Unit Testing with Jest
-Exposure in SEO, Web Service integration, asynchronous request handling, partial page update etc.
-Exposure to Node.js would be an added advantage
-Knowledge of different process tools like Git, SVN, Jenkins etc.
DESIRED SKILLS:
-Strong experience in Responsive Design, React JS
-Understanding of Native and Cross Platform mobile applications and user experience best practices
-Exposure to Node.js, Angular and React Native would be an added advantage
We're on the lookout for talented frontend developers who have at least 3+ years of experience with React and related frameworks. The ideal candidate has a strong grasp of fundamentals and has plenty of live projects to show!
About Hipla
At Hipla we are building the future of smart, connected, secure workspaces. Sentinel is our
flagship futuristic visitor management system that eliminates manual, unstructured, insecure,
fragmented paperwork cuts through slow-moving, archaic procedures for setting up a business appointment and improves the visitor experience for both organizations and visitors. It replaces multiple such systems that an organization might use to set up, approve, and record visits as well as having to wade through custom ways of setting up appointments for the visitors. All of this is offered via web and mobile platforms with data secured with state-of-the-art industry practices. We are trusted by big names across all sectors who rely on our capabilities to simplify their lives so that they can focus on doing their best work.
Requirements
● Good command over javascript, ES6, React/Redux, SASS fundamentals.
● 3+ years of experience with front end frameworks, primarily React.
● Good knowledge of modern React, HTML5, SCSS, Webpack, etc.
● Strong portfolio with diverse projects made in React or React Native
Responsibilities
● Work with designers and convert designs to visual elements.
● Maintain code integrity, organization, and documentation.
● Integrate data from various back-end services and APIs.
● Work with clients on commercial products as well as our in-house products
Aviso is the AI Compass that guides Sales and Go-to-Market teams to close more deals, accelerate revenue growth, and find their True North.
We are a global company with offices in Redwood City, San Francisco, Hyderabad, and Bangalore. Our customers are innovative leaders in their market. We are proud to count Dell, Honeywell, MongoDB, Glassdoor, Splunk, FireEye, and RingCentral as our customers, helping them drive revenue, achieve goals faster, and win in bold new frontiers.
Aviso is backed by Storm Ventures, Shasta Ventures, Scale Venture Partners and leading Silicon Valley technology investors
Senior Frontend Developer roles gives you an opportunity to
● Collaborate with Product Designers, Product Managers and Software Engineers from conceptualizing new features to delivering user-friendly products
● Use the latest technologies to build new features that help our users run mission critical sales processes
● Take ownership of full software development lifecycle: feature requirements gathering, design, architecture, implementation, debugging, testability and deployment.
● Constantly pay down technical debt, improve software development process and refine technology roadmap
What you bring:
● At least 2+ years in front-end or full-stack software development
● Advanced level knowledge of Javascript, CSS and HTML5
● Experience with: Vue, React, Angular or equivalent javascript frameworks
● Experience with any of the hybrid mobile development tools like Angular/Ionic, React Native, Cordova, or PhoneGap
● Proficiency with Git or other distributed version control systems
● Solid knowledge of data Structures and algorithms
● BS/MS in Computer Science or a related field Aviso offers
Aviso Offers:
● Dynamic, diverse, inclusive startup environment driven by transparency and velocity
● Bright, open, sunny working environment and collaborative office space
● Convenient office locations in Redwood City, Hyderabad and Bangalore tech hubs
● Competitive salaries and company equity, and a focus on developing world class talent operations
● Comprehensive health insurance available (medical) for you and your family
● Unlimited leaves with manager approval and a 3 month paid sabbatical after 3 years of service
● CEO moonshots projects with cash awards every quarter
● Upskilling and learning support including via paid conferences, online courses, and certifications
● Every month Rupees 2,500 will be credited to Sudexo meal card








