
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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Responsibilities:
• Develop and maintain mobile applications using React Native.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Write clean, maintainable, and scalable code.
• Participate in code reviews to ensure code quality and share knowledge with the team.
• Stay updated with the latest industry trends and technologies.
Requirements:
• Strong proficiency in JavaScript and familiarity with ES6+ syntax.
• Experience with Redux or other state management libraries.
• Familiarity with RESTful APIs to connect mobile applications to back-end services.
• Knowledge of mobile app architecture and design patterns.
• Experience with third-party libraries and APIs.
• Understanding of mobile development best practices.
• Ability to write well-documented, clean code.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.
Senior Software Engineer (Frontend)
What you will be doing:
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Working with designers, product managers to collaboratively own the front-end layer at FalconBrick and deliver stellar end user experiences
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Building responsive and elegant mobile and desktop web UIs
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Test, debug and maintain the application software throughout the product lifecycle
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Architect, develop and maintain front-end libraries
What you need
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You love working with JavaScript and are very familiar with JavaScript design patterns and can build fairly complex UI
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Have at least 4 years’ experience in development of responsive web/mobile applications using advanced JS and web technologies
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And with at least 2 years of experience building frontend UI with a library or framework like ReactJS
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You’re very comfortable in writing HTML and CSS and love designing beautiful webpages
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You know the cost/constraints of the browser and network and are able to to improve the
performance of the product across devices.
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Have great communication skills, strong work ethics
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And are comfortable with agile, iterative development practices and code reviews
Preferred
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Are familiar with and writing automation / build scripts with (Grunt/Gulp/ webpack etc)
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Comfortable working across the full stack - Experience working with cross-functional
team with backend development using node.js/express (or similar)
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You keep pace with the ever changing specs of cutting edge front-end technologies (e.g.
HTTP/2, WebAssembly, Service Workers)
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Experience with leading a team doing frontend development
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Startup Experience is a plus
What you will get:
• An opportunity to work in a fast growing a startup on a product line that’s focused offering great user experiences through amazing UX/UI design and engineering
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A fun and casual work environment with flexible work hours
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Competitive incentives
1) Ruby on Rails:
Experience Required: 2.5 -5 years
Max. Budget: 18 LPA
Job Description-
- Designing and developing new web applications.
- Maintaining and troubleshooting existing web applications.
- Writing and maintaining reliable Ruby code.
- Integrating data storage solutions.
- Creating back-end components.
- Identifying and fixing bottlenecks and bugs.
- Integrating user-facing elements designed by the front-end team.
- Connecting applications with additional web servers.
- Maintaining APIs.
- Good Communication skills
Preferred work from the office but can provide remote work as well.
Note: Please avoid NCR and south Indian candidates.
What You Will Be Doing:
- Create highly responsive B2C web-app using a wide range of open source frontend and backend technology.
- Create single page applications using a wide range of javascript & cutting edge libraries/frameworks.
- Responsible for the full lifecycle of a project, including development, unit testing, system testing and change management.
- Research technical issues and provides recommendations to enhance JavaScript products.
- Manage/Lead a team of 10+ javascript fullstack developers to handle a wide range of projects across different products.
- Code reviews, Overall project estimations, Estimation reviews, Project planning.
- Interact with stakeholders for the development requirements gathering.
- Layout a technical career growth plan for the team members.
- Working with multiple projects.
What we are looking for:
- Bachelor’s degree in Computer Science or equivalent preferably from IIT,NIT & other premier institutes.
- Rockstar Javascript developer, who appreciates the intricacies of JS as well as passionate to follow new trends in JS.
- Experience with product companies.
- 9-12 yrs of software development on advanced JavaScript stack (Native Javascript, Asynchronous Request Handling, AJAX, HTML5, CSS3, etc).
- 2-4 yrs of experience in leading and mentoring a team.
- In-depth knowledge in ReactJS & NodeJS
- Proficiency in any other modern web frameworks will be a plus.
- A solid knowledge of advanced data structures & algorithms.
- Proficient in Computer Science fundamentals & object-oriented design.
- Solid understanding of cross-browser compatibility issues and ways to tackle those.
- Must possess a track record of building Single Page responsive UI.
- Experience with Databases such as NoSQL and any RDBMS will be a plus.
- Experience with transport protocols such as TCP, HTTP & WebSocket.
- Expressing and appreciating design patterns is a real addition.
- Critical of coding practices and development methodologies.
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Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
● Thorough understanding of React.js and its core principles
● Experience with popular React.js workflows (such as Flux or Redux)
● Familiarity with newer specifications of ECMAScript
● Experience with data structure libraries (e.g., Immutable.js)
● Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
● Experience with user interface design.
● Knowledge of isomorphic React is a plus
● Familiarity with RESTful APIs
2.Hands on experience in Angular 2+ version.
3.Communicate with backend REST api's
4.knowledge in Angular material.
5.Added advantage if had a knowledge in Testing (Karma,jasmine)
6.Typescript knowledge to create angular applications.
7.Deep knowledge of Angular practices and typescript
8.Creating custom general use modules and components which extends the elements and modules of core angular.
About Hop:
We are a London, UK based FinTech startup with a subsidiary in India. Hop is working towards building the next generation digital banking platform for seamless and economical currency exchange, with technology at the crux of it. In a technology driven era, many financial services platforms still lack the customer experience and are cumbersome to use. Hop aims at building a ‘state of the art’ tech-centric, customer focused solution.
moneyHOP is India’s first cross-border neo-bank providing millennials the ability to ‘Send’ & ‘Spend’ conveniently and economically across the globe using HOPRemit (An online remittance portal) and HOP app + Card (A multi-currency bank account).
This position is a crucially important position in the firm and the person hired will have the liberty to drive the product and provide direction in line with business needs.
About Individual
Looking for an enthusiastic individual who is passionate about technology and has worked with either a start-up or a blue-chip firm in the past.
The candidate needs to be a multi-tasker, highly self-motivated, self-starter and have the ability to work in a high stress environment. He/she should be tech savvy and willing to embrace new technology comfortably.
Ideally, the candidate should have experience working with the technology stack in the scalable and high growth mobile application software.
General Skills
- 3-4 years of experience in Frontend development.
- Bachelor's degree in Computer Science, Information Science, or equivalent practical experience.
- Exposure to Behaviour Driven Development and experience in programming and testing.
- Excellent verbal and written communication skills.
- Good time management and organizational skills.
- Dependability
- Accountability and Ownership
- Right attitude and growth mindset
- Trust-worthiness
- Ability to embrace new technologies
- Ability to get work done
- Has good code reviewing skills for conformance.
- Has good software testing skills and good code writing skills.
Technical Skills
- Relevant work experience as a UI Developer. Proficient in JavaScript , ReactJS and/or Reactive Native, Angular , JQuery Experience with HTML, CSS, Knowledge of web services and related technologies (REST) Experience with Web Services and API integration
- Candidate should have a stronghold on HTML & CSS
- Can understand and troubleshoot REST APIs calls
- Database administration and management of a hosting environment such as AWS.
- Knowledge of SASS & LESS will be a plus as well
- Sound understanding of relational and non-relational DB systems such as MySQL, Postgres, MongoDB etc.
- Has experience dealing with JIRA (issue tracking tools), Confluence (knowledge management) tools.
- Experience with building and maintaining microservices.
- Experience with building and integrating the core system with external APIS.
- Good to have: Domain knowledge in the BFSI tech stack.
Day-to-Day Responsibilities
- Use JavaScript and cutting-edge JS frameworks to develop front end applications that follow industry-standard design patterns, development methodologies, and deployment models
- Solve and articulate complex problems through application design, product development, and user experiences.
- Develop software used by people who are not software developers--ensure the exceptional software you create influences them to be exceptional professionals in their respective fields
- Collaborate with other programmers and mentor junior engineers through the development process
- Leverage the knowledge of your peers to better understand business trends, customer communities, and technology adoption patterns
- Evolve your language skills in JavaScript by staying current with complementary programming languages, development methodologies, user interface design techniques, and database tools.
A new-age fintech app that powers group payments for millennials. We’re on a mission to reimagine group payments and enable people to enjoy with their friends without any worry of awkward reminders, delayed payments and multiple transactions.
Founded by IIT Bombay grads with a total work experience of 10+ years in fintech and we are backed by global VC investors including Y Combinator, Matrix Partners, Justin Mateen (Co-founder, Tinder) with a funding of $1.9M.
We are on the lookout for passionate individuals who want to want to be a part of the core team and drive the next phase of cutting-edge fintech innovation.
Role and Requirements
- Frontend developer with skills in React Native to help construct the front-end of our consumer-facing group payments application
- Good familiarity with most of the React Native built-in and popular third party frameworks, libraries, and accelerators; with in-depth expertise on most of the popular ones
- Solid understanding of JavaScript framework and RESTful APIs
- Role requires extensive collaboration with UI/UX Designers and Product Managers to ensure technical feasibility & implementation
- Experience with AWS and/or Node.js is a bonus
- Prior consumer tech or fintech startup experience is a plus
- Work experience: 2 years plus is preferred
- Location: Work from home until further notice but eventually in Andheri East, Mumbai
Responsibilities
- Developing new user-facing features using ReactJS
- 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 vast array of web-capable devices and browsers
- Understand business requirements and translate them into technical requirements
- Building robust applications that can handle both unexpected errors and heavy load
- 3+years experience in Reactjs
- Strong proficiency in JavaScript and Typescript
- Strong Knowledge of Redux/React Context/Hooks
- Strong Knowledge of frontend end technologies such as HTML/CSS
- Experience developing with responsive applications
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools like Webpack or Create React App
- Familiarity with Git






