Fullstack UI developer

NEED TO HAVE

1) 1+ years of work experience on some front end like React.JS, nodejs or Angular.JS

2) HTML, CSS

3) Strong in Javascript concepts

4) Good communication skills

5) Loves to code

GOOD TO HAVE

1) Experience with type script will be a plus

2) Experience with Nest.JS framework will be a plus

3) Strong hold on ES6 principles.

4) Familiar with TDD ( Test Driven Development ) will be a plus.

5) Familiar with working in CI / CD will be a plus

6) Micro-Service architecture knowledge will be an added benefit.

Remote opening

min 3.5 years

What you’ll do:

You will be working as a senior software engineer within the healthcare domain, where you will focus on module level integration and collaboration across other areas of projects, helping healthcare organizations achieve their business goals with use of full stack technologies, cloud services & DevOps. You will be working with Architects from other specialties such as cloud engineering, data engineering, ML engineering to create platforms, solutions and applications that cater to latest trends in the healthcare industry such as digital diagnosis, software as a medical product, AI marketplace, amongst others. Focuses on module level integration and collaboration across other areas of projects

Role & Responsibilities:

We are looking for a Full Stack Developer who is motivated to combine the art of design with programming.Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work 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.

• Develop new user-facing features

• Build reusable code and libraries for future use

• Ensure the technical feasibility of UI/UX designs

• Optimize application for maximum speed and scalability

• Assure that all user input is validated before submitting to back-end

• Collaborate with other team members and stakeholders

• Would be responsible to provide stable technical solutions which are robust and scalable as pe business needs

Skills expectation:

• Must have

o Frontend:

 Proficient understanding of web markup, including HTML5, CSS3

 Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS

 Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery

 Good understanding of at least one of the advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS etc.

 Familiarity with one or more modern front-end frameworks such as Angular 15+, React, VueJS, Backbone.

 Good understanding of asynchronous request handling, partial page updates, and AJAX.

 Proficient understanding of cross-browser compatibility issues and ways to work

around them.

 Experience with generic Angular testing frameworks

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

Experience • 1-3 years.

Skill to Test

• ReactJS

• JavaScript, jQuery

Primary Skills

• Frontend frameworks (ReactJS and/or Angular)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• CRM Development (Salesforce, Dynamics, ServiceNow)

• Working with third-party APIs

Secondary Skills (nice to have)

• Java EE (Servlets, JSTL, JSP, JDBC)

• Passionate about Implementing UX\UI of web applications

• API Design (REST)

• Understanding of browser technologies and limitations

Soft Skills

• Thrives collaborating in a team environment with a diverse range of people

• Passionate about delivering an amazing customer experience

• Able to have a change of mind, and able to change the minds of others

• Writes clearly and concisely

• Capable of working without a company office, with a fully remote team

Growth Skills

• Possesses a good work ethic; a self-starter with a desire to grow

• Always looking for better ways to get the job done

• Determining the structure and design of web pages.
•  Building reusable and efficient code for future use.
•  Ensuring web design is optimized for smartphones.
•  Use markup languages like HTML to create user-friendly web pages.
•  Maintain and improve the website.
•  Optimize applications for maximum speed.
•  Collaborate with back-end developers and web designers to improve usability.
• Stay up-to-date on emerging technologies.