Senior UI-UX Developer

React Developer - Arcitech AI

Arcitech AI, located in Mumbai's bustling Lower Parel, is a trailblazer in software and IT, specializing in software development, AI, mobile apps, and integrative solutions. Committed to excellence and innovation, Arcitech AI offers incredible growth opportunities for team members. Enjoy unique perks like weekends off and a provident fund. Our vibrant culture is friendly and cooperative, fostering a dynamic work environment that inspires creativity and forward-thinking. Join us to shape the future of technology.

Full-time

Mumbai

2-5 Years Experience

₹

400000 - 1200000

Responsibilities:

• Lead the development of modern web applications using React.js and TypeScript.
• Design, build, and maintain reusable and scalable UI components and state management solutions using Redux, Context API, or similar libraries.
• Collaborate with UI/UX designers to translate wireframes and mockups into pixel-perfect web pages while maintaining design consistency.
• Write clean, modular, and optimized code to ensure high performance and maintainability of the application.
• Implement advanced features and improve existing ones to enhance the user experience and application performance.
• Handle complex asynchronous operations and integrate REST APIs efficiently.
• Work with WebRTC and WebSocket communication protocols to build real-time features such as video calling and live data updates.
• Troubleshoot and resolve complex technical issues, including debugging, performance optimization, and cross-browser compatibility.
• Stay current with industry trends, particularly within the React ecosystem and real-time communication technologies.

Skills & Qualifications:

• Strong proficiency in HTML5, CSS3, and JavaScript.
• Hands-on experience with React.js and component-based architecture.
• Extensive experience with TypeScript for building scalable, type-safe applications.
• In-depth knowledge of state management with Redux, Context API, or similar libraries.
• Familiarity with modern CSS frameworks (TailwindCSS, Bootstrap) and CSS pre-processors (SASS, LESS).
• Experience implementing WebRTC and WebSocket communication for real-time features like video conferencing and live data streams.
• Experience integrating and optimizing REST APIs and managing asynchronous operations effectively.
• Proficient with Git for version control and collaboration in a team setting.
• Strong problem-solving abilities with attention to detail.
• Ability to communicate complex ideas clearly and work collaboratively within a cross-functional team.
• Understanding of testing frameworks and debugging tools to ensure application stability and quality.

About the Role

At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.

Our flagship platform is currently under development. As our Frontend / Full Stack Engineer, you’ll lead the creation of a stunning, intuitive user experience—spanning our landing page, drag-and-drop strategy builder, trading dashboards, and internal tools. You’ll collaborate closely with design, backend, and DevOps teams to build high-performance, secure, and scalable customer-facing applications. This role is central to delivering the reliability, flexibility, and performance our users will rely on in fast-moving financial markets.

We are a remote-first team and are open to hiring exceptional candidates globally.

Core Tasks

·      Design, build, and deploy customer-facing interfaces, including the strategy builder, dashboards, and marketplace.

·      Implement reusable UI components based on Figma designs; integrate charting tools like TradingView or Highcharts.

·      Own the frontend development pipeline, including prototyping, implementation, testing, and responsiveness.

·      Implement secure authentication and user management (OAuth2, JWT, multi-role access).

·      Build real-time web experiences using WebSockets, REST, and client-server integrations.

·      Collaborate with backend and DevOps teams to streamline data flow and deployment workflows.

Top Technical Competencies

·      Strong foundation in HTML/CSS, JavaScript/TypeScript.

·      Proficiency in modern frontend frameworks such as React (Next.js), Svelte, Angular, Vue, or Phoenix.

·      Experience with OAuth2 and secure authentication workflows.

·      Familiarity with server-side rendering (SSR) and modern state management (Zustand, Redux, MobX).

·      Integration experience with charting libraries such as TradingView, Recharts, or Highcharts.

·      Deployment experience using platforms like Vercel, Heroku, GCP, or AWS.

·      Working knowledge of WebSockets, REST APIs, and data streaming models.

·      0–3 years of frontend development experience.

Bonus Competencies

·      Familiarity with Supabase, PostgreSQL, Firebase, or MongoDB.

·      Understanding of microfrontend architectures or API Gateway patterns.

·      Experience with WebAssembly and real-time trading interfaces.

·      Exposure to fintech platforms or trading systems.

·      Background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.

Ideal Candidate

You’re a design-minded full stack engineer who builds fast, clean, and modular frontend systems. You thrive on making complex interfaces intuitive—turning strategy logic into drag-and-drop workflows—and can ship high-performance components that integrate seamlessly with real-time APIs. You value design systems, scalable frontends, and cross-functional collaboration.

What We Offer

·      Opportunity to shape the product interface of a next-gen fintech startup.

·      A collaborative, technically driven culture.

·      Competitive compensation with performance-based bonuses.

·      Flexible working hours and a remote-friendly environment.

·      Exposure to financial modeling, trading infrastructure, and real-time systems.

·      Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Responsibilities:

• Working closely with product, design and development team to achieve high cohesion across features and;
• Feasibility analysis of the technical requirements and web designs;
• You will be responsible to develop and contribute towards consumer-facing web application;
• Writing modular code to achieve loose coupling and reusability of modules across application;
• Architecting, prototyping and implementing high-impact modules for our end users;
• UI/UX.

Requirements:

• High Proficiency in frontend technologies like Angular, React JS, Vue.Js Redux etc.;
• Good design skills and knowledge and experience working with UI design patterns and frameworks;
• Good understanding of fundamental design principles behind a scalable application;
• 3-5 years of strong hands-on experience in Angular and React.

Job Title - Senior Frontend Engineer

About Tazapay 

Tazapay is a cross border payment service provider. They offer local collections via local payment methods, virtual accounts and cards in over 70 markets. The merchant does not need to create local entities anywhere and Tazapay offers the additional compliance framework to take care of local regulations and requirements. This results in decreased transaction costs, fx transparency and higher auth rates. 

They are licensed and backed by leading investors.   www.tazapay.com 

What’s exciting waiting for You? 

This is an amazing opportunity for you to join a fantastic crew before the rocket ship launch. It will be a story you will carry with you through your life and have the unique experience of building something ground up and have the satisfaction of seeing your product being used and paid for by thousands of customers. You will be a part of a growth story be it anywhere - Sales, Software Development, Marketing, HR, Accounting etc. 

We believe in a culture of openness, innovation & great memories together. 

Are you ready for the ride? 

Find what interesting things you could do with us.

About the Frontend Engineer role

Responsibilities (not exhaustive)

• Lead core development efforts for our front-end applications, ensuring high-quality code that is performant, scalable, secure and maintainable.
• Collaborate closely with the product team to understand user needs and translate them into exceptional user interfaces (UI).
• Partner with the design team to achieve pixel-perfect implementation while maintaining and evolving our design systems.
• Write clean, maintainable, and testable JavaScript with a focus on performance optimization and scalability.
• Champion the use of modern build tools like Vite to streamline development workflows.
• Implement effective unit tests to ensure code quality and stability.
• Take complete ownership of features, from initial discussions with the product manager to incorporating customer feedback.
• Demonstrate a strong understanding of modern front-end architecture and best practices.

The Ideal Candidate

Experience

• Proven experience as a senior frontend engineer with a strong track record of building and shipping complex web applications.
• In-depth knowledge of HTML, CSS, JavaScript (ES6+), Tailwind CSS, Git, npm, and Sentry.
• Familiarity with integration of front-end with backend web services.
• Strong experience with a popular front-end framework like React, Angular, or Vue.js (Vue.js experience a plus).
• Prior experience developing and maintaining a UI component library.
• Familiarity with modern build tools like Vite and a passion for exploring new technologies.
• Understanding of Git version control and experience with GitHub workflows.
• Strong communication and collaboration skills to work effectively with cross-functional teams.
• Advanced knowledge in web security best practices to write secure and robust front-end code
• Ability to write clean, maintainable, and well-documented code.
• Passion for building high-quality user experiences.
• Experience mentoring junior engineers.
• Active contributions to open-source projects in the front-end development space.

Abilities and Traits

• Ability to work under pressure and meet deadlines
• Ability to provide exceptional attention to details of the product.
• Ability to focus for extended periods of repetitious activity.
• Ability to think ahead and anticipate problems, issues and solutions
• Work well as a team player and help the team members to resolve issues
• Be committed to quality and be structured in approach
• Excellent and demonstrable concept formulation, logical and analytical skills
• Excellent planning, organisational, and prioritisation skills

If you're a talented and experienced frontend engineer who is passionate about building beautiful, performant, and scalable web applications, we want to hear from you!

Location - Chennai - India

Join our team and let's groove together to the rhythm of innovation and opportunity!

Your Buddy

Tazapay

Are you a highly experienced, ambitious Frontend Engineer looking for a challenging role where you can learn lots more?

We are looking for a motivated Front-end expert with skills in frontend technologies to come to join our fast-paced, fun, and rewarding agile team of professionals.

If you are passionate about technology, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for!

We are offering superb career growth opportunities, great compensation, and benefits.

About Us 

Auxesis Infotech is a fast-growing innovative digital agency based in New Delhi, India. For years, we have been serving in various business areas including mobile apps, web design and development. We serve clients from all around the globe, with a primary focus on the US and European Markets. We have a young, passionate, and tight-knit team of professionals who are specialized in the latest trends and technologies. 

Roles & Responsibilities

• Develop user-facing UI for large and complicated web applications (developed in PHP-based frameworks etc).
• Develop user-facing UI for large and complicated web applications.
• Integrate front-end applications with developers.
• Optimize UI code, CSS, and JavaScript for best performance.
• Maintain, fix bugs and improve code.
• Make HTML, CSS, and JavaScript work well across browser platforms.
• Developing clean, optimized and fully responsive UI.
• If have knowledge in technologies like angular.js, react.js, vue. js , can work on project scopes.
  
  

Required Skills

1. Excellent HTML5 and CSS3 knowledge in Web/mobile projects and responsive UI.

1. Must have the ability to convert PSD to web standards HTML5/XHTML.
2. Strong understanding of server-side CSS pre-processing platforms, such as LESS and SASS
3. Excellent in JavaScript.

1. Expertise in at least one JavaScript framework/library (like React, Angular, Vue, etc) will be preferred.

1. Excellent jQuery knowledge (Must have knowledge of Ajax, DOM Implementation, Event binding).

1. Ability to create advanced interactions using jQuery.

1. Should be able to handle UI issues related to cross-browser Compatibility (i.e. 10+), cross-platform issues.

1. Should be able to write W3C compliant code.

Benefits

• Flexible working hours 
• 5 days working
• Work from home / Hybrid
• Medical Insurance
• Good hike on current CTC
• Leave compensations

Job Title : Software Engineer

Gogo has an exciting opportunity for a Software Engineer role who enjoys crafting great user experience and will help us design and develop our next generation airline services platform. You will be part of the team that is building a globally deployed platform for our customers using some best-in-class software technologies.

Job Summary:

The ideal candidate for this role will build and design the front-end user experience for the customer airline services platform. You will be a crucial working member of multi-disciplinary, highly skilled technical teams that design, develop, test, debug and document software, by providing high quality technical solutions and services that deliver business value and drive continuous improvement across the organisation.

Key responsibilities :

• Translate business requirements into technical details relevant to web application.
• Contribute in the design and implementation of UI changes across our product base. 
• Develop detailed technical analysis and design specifications based on functional requirements. 
• Develop modern web applications (progressive and responsive) in coordination with UI Team
• Collaborate closely with UX, Design, UI and web development teams to solve problems. 
• Develop complete front-end stack of projects using HTML/CSS/SASS, React and JavaScript.
• Integrate front-end UI with backend services.
• Build responsive web pages with HTML5, CSS, JS/React for the customer facing corporate websites.
• Define UI frameworks and architecture for websites that follow industry best practices for development

Required Skills & Experience:

• Bachelor’s Degree in Engineering with 5-8 Years’ experience in front end development
• Hands on experience Core web fundamentals: HTML, JavaScript, and CSS preprocessors like Sass or LESS.
• Front-end (CSS) frameworks like Foundation or Bootstrap
• AJAX (Asynchronous JavaScript and XML)
• MUST have Hands-on experience in ReactJS and Redux delivered project on ReactJS and played key role.
• Great understanding of Web technologies like XML, XHTML
• Client Server-side scripting languages such as web services development using RESTful implementations.
• Familiarity with the Flux Design Pattern or one of the libraries
• Unit Testing with Mocha, Karma or Jest
• Hands on with BDD Experience
• Experience working with RESTFUL API (1-2 Years’ Experience)
• Good Written and Oral Communication Skills

Gogo is the inflight internet company. We bring flexibility and performance to airlines and passengers alike across every device, every flight, everywhere—all powered by our global inflight network. Gogo’s worldwide inflight Wi-Fi services have made internet and video entertainment a regular part of flying. We are a diverse group of technologists, marketers, strategists, and any other function you can think of- all working together in extraordinary harmony. And that’s just the beginning.

We connect the aviation industry and its travellers with innovative technology and applications, and we do it all in a high-energy environment that welcomes the next challenge. Be prepared for a dynamic ride with people who are passionate about what they’re building. 

• Deep knowledge of Angular practices and commonly used modules based on extensive work experience
• Proficiency with JavaScript and HTML5
• Extensive knowledge of CSS3 and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Creating custom, general use modules and components which extend the elements and modules of core Angular
• Ability to understand business requirements and translate them into technical requirements
• A team player, fast learner with good verbal and written communication skills