
Key Responsibilities:
- Design and implement scalable server-side solutions using Java.
- Write optimized front-end code using HTML, CSS, and Javascript
- Write unit, automation, and integration tests
- Implement quality application logging for operational monitoring at scale
- Investigate, debug and resolve production site issues
- Work with co-located teammates to deliver on common goals
TECHNICAL & FUNCTIONAL REQUIREMENTS:
- Professional experience in enterprise Java software development using Spring MVC frameworks, RESTful APIs, and SOA
- Proficiency in HTML/CSS/JavaScript/jQuery
- Experience with Docker, Kubernetes, and microservices
- Experience with Selenium for UI automated tests written in Cucumber or Scala will be a plus
- Working knowledge of design patterns and CI/CD principles
- First class communication skills in written and verbal form
- Outstanding problem-solving skills
- A commitment to producing high-quality code with an attention to detail
- Dedication and a self-motivated desire to learn
- A collaborative, team-orientated attitude
- Experience working in the Cloud (AWS)
- API development experience
- Exposure to monitoring tools such as ELK, Splunk

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Job Title : Frontend Developer (React.js) – Blockchain Experience
Location : Remote
Experience : 3+ Years
Key Skills : React.js, TypeScript, Web3.js, blockchain integration, UI/UX design
Job Description :
We are looking for a skilled React.js Frontend Developer with experience in blockchain applications. The ideal candidate should have expertise in React.js, Web3.js, and UI/UX best practices to build seamless decentralized applications (dApps).
Requirements :
- 3+ Years of React.js development experience.
- Strong knowledge of Web3.js or Ethers.js.
- Experience integrating smart contracts with frontend.
- Proficiency in TypeScript and modern frontend frameworks.
- Understanding of blockchain fundamentals and dApp development.
Key Responsibilities
- Develop high-quality, scalable, and robust web applications using Angular (latest version) and modern front-end technologies.
- Design, code, debug, test, and optimize user-facing features with a focus on responsiveness, maintainability, and performance.
- Collaborate with backend developers, UX/UI designers, and cross-functional teams to deliver high-quality solutions.
- Ensure adherence to coding standards, application security practices, and cross-browser compatibility.
- Perform unit testing and integration testing to identify and resolve bugs, coding errors, and technical issues.
- Proactively identify opportunities for system improvements and performance optimization.
- Stay updated with the latest trends, tools, and best practices in Angular and front-end development.
- Manage project lifecycle activities including milestone tracking, task coordination, and progress reporting.
Desired Qualifications
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
- 4–6 years of strong software development and engineering experience with expertise in front-end technologies.
- Strong proficiency in Angular, JavaScript, TypeScript, HTML5, and CSS3.
- Hands-on experience with RxJS, NgRx (or similar state management libraries), and RESTful API integration.
- Good understanding of UI/UX principles and user-centric design practices.
- Experience working with Git, JIRA, Confluence, and CI/CD pipelines.
- Strong knowledge of Agile development methodologies.
- Understanding of front-end performance optimization and security best practices.
- Experience with backend integration and API development will be an added advantage.
- Relevant Angular or related technology certifications preferred.
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.
We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Requirements
- 3+ years of experience in React JS and Redux
- Expert in React.j, ideally using TypeScript language extensions
- Good understanding of JavaScript Design Patterns
- Good experience writing front-end test cases
- Exposure in React Native is preferred.
- HTML5, CSS3 and Responsive web design are mandatory
- Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
- Self-motivated, fast learner, detail-oriented, team player and a sense of humour
Who are we?
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.
What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.
We are pleased to have an Employee rating of 4.6 on https://www.glassdoor.co.in/Reviews/Whatfix-Reviews-E1016569.htm" target="_blank">Glassdoor and our Customer obsession can be seen in our reviews on platforms like https://www.g2.com/products/whatfix/reviews" target="_blank">G2 Crowd & https://www.gartner.com/reviews/market/customer-communications-management-software/vendor/whatfix/product/whatfix" target="_blank">Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - http://www.sequoiacap.com/" target="_blank">Sequoia Capital || http://www.stellarisvp.com/whatfix-what-we-learnt-from-series-a-to-series-b-in-a-saas-business/" target="_blank">Stellaris || https://blogs.cisco.com/innovation/tomorrows-customer-experience-why-cisco-invested-in-whatfix" target="_blank">Cisco || https://eightroads.com/en/news/our-investment-in-whatfix" target="_blank">Eight Roads || http://www.helionvc.com/blog/we-are-pleased-collaborate-whatfix.html" target="_blank">Helion Ventures
“Hustle Mode ON” is something we live by.
Our Team:
The Engineering team at Whatfix provides end-to-end engineering throughput that forms part of core platforms and services that drive Whatfix's business.
Our team is responsible for creating the Customer Platform and everything around it - be it Analytics, Infrastructure, or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
Our product is built around a core of JAVA with enterprise businesses using the Whatfix system. On a monthly basis, millions of interactive guides are processed. Building, testing, and deploying to any of our environments are as simple as pushing a commit to a git branch. We like to keep our technology up-to-date. All of the technology is built and maintained by this small development team, so from day 1, the software you write will be used by people from all over the world.
RESPONSIBILITIES:
- Design and develop highly scalable, reliable, and fault-tolerant systems for one of the world’s fastest-growing startups
- Work with business to define requirements
- Perform technical design and hands-on coding for development and enhancement efforts
- Develop new user-facing features
- Building reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
- Promote best practices in design and coding
- Conduct design and code reviews
- Understand the customer needs & implement
- Articulate complex problems communicating viable architecture and design approaches in a clear and concise manner
- Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
- Occasionally participate in customer demos & provide inputs wherever required
- Keep optimizing & automating mundane tasks
You'll be a core member of the team.
Individual growth is important to us. We schedule time every week to explore an interest or learn something new. Team members have also used it to do everything from learning new algorithms to playing with the new framework, to exploring what the new analytics layer could be used for. We also take some time each day to discuss what we're working on, and even pair programs to teach each other about parts of the codebase. There's no risk of stagnation in this job, you would still be hands-on after a few years.
REQUIREMENTS:
We are looking for a Front-End Engineer to help us scale and go deep on our technical capabilities.
- 4 -12 years of professional front-end development experience
- Hands-on experience with Front end technologies - JavaScript, Typescript, HTML, CSS
- 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 is a huge plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
- Experience in backend programming languages such as Java is strongly preferred
- Experience in building Web applications using frameworks like Spring, Microservice architecture
- Work experience, preferably from internet companies, products, or startups
- Expertise in design principles and their application
- Strong verbal and written communication skills
- Fast Learner & a Team Player
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
JOB DESCRIPTION
Profile Summary
We are looking for experienced and skilled Frontend (React.Js) Developers to join our
core team. Your primary focus will be the development of new features and refinement of
existing features on user-side.
Responsibilities:
- Ensure product delivery is fast, low-cost and sustainable.
- Take responsibility from development to customer support.
- Build robust and scalable production software.
- Improve quality using code reviews, and unit/integration testing.
- Improve efficiency using automation, and methods like test driven development.
Skills & Qualification:
- 2+ years of experience in software development preferably B2C experience.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience in React.Js , Javascript, any experience in React native is a plus
- Experience with popular React workflows (such as Flux or Redux).
- Familiarity with newer specifications of ECMAScript (ES6 & ES5 ).
- Familiarity with RESTful APIs.
- Experience in working with the MERN stack or similar frameworks
- Working knowledge of git for version control.
- Understanding of Unix tools.
- Working with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
- Being able to develop new user facing features.
- Ensuring the technical feasibility of UI/UX designs.
- Optimizing application for maximum speed and scalability.
- Assuring that all user input is validated before submitting to the back end.
- Collaborating with other team members and stakeholders.
What you need to have:
- Proficient understanding of web mark-up, including HTML5, CSS3
- Basic understanding of CSS pre-processing platforms, such as LESS and SASS
- Rock-solid understanding of JavaScript. Should have experience in React, Redux, or any other state management library.
- Huge plus if you are worked on complex UIs which involved drag & drop interactions.
- Good understanding of asynchronous request handling, partial page updates and AJAX.
- Hands-on experience in optimizing the UI of an application.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git.
- Knowledge about Docker, Nginx, Angular and RxJs are nice to have and adds as a bonus.
Must Have
Degree in Computer Science or related field.
3 - 4 years’ experience in Angular or React.
Expertise in responsive and adaptive front end design and development. Proficiency in HTML, CSS, JavaScript, and jQuery.
Experience is RESTful web services.
Understanding of key design principles.
Experience in version control using Git, CI-CD principles.
Good problem-solving skills.
Excellent verbal communication skills.
Good interpersonal skills.
Nice to have
Experience with graphic design applications such as Adobe Illustrator. Understanding of SEO principles.
Knowledge of Cloud technologies like AWS or Azure.
About this Role:
As part of the frontend development team, you will be responsible to build and maintain client side applications for our users collaborating with cross-functional teams comprising Product, Design, BI, and other engineers.
You will define best practices for client side architecture and build for the long term over iterations that bring measurable business value.
You will be involved in recruiting engineers for the team and mentoring them
As a company, we are very data driven and customer focused. As an engineering team, we are driven by metrics and care deeply about agility without compromising on the quality of our output. We are working towards creating an environment where individuals feel empowered to take ownership and initiative.
About You:
● You have a minimum of 7 years of experience building high-performance consumer-facing mobile applications at product companies of a decent scale
● You have a keen eye for mobile architecture and able to assist your team in making the right choices for every project
● You have previous experience building react native applications from scratch
● You have prior experience with recruiting and building a high-performance team
● You have a passion for mentoring and helping people on your team grow and achieve their goals
● You practice test-driven development
● You are familiar with both Android and iOS design patterns, and GraphQL
● You have some exposure to native app development in Swift, Kotlin, or Java
● You have strong knowledge of software development fundamentals, including a relevant background in computer science fundamentals and agile development methodologies.
● You are an excellent collaborator & communicator. You know that startups are a team sport. You listen to others, aren’t afraid to speak your mind and always try to ask the right questions.
● You are excited by the prospect of working in a distributed team and company.
Location: We are primarily looking for candidates in Bangalore but are open to other locations in India for the right candidate. At the moment, however, like most teams, we are fully remote.











