React Js Developer

React Developer – Trading & Fintech (Broker-Focused Solutions)

About Us:

At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create high-performance trading platforms tailored for brokers and financial institutions. Our platforms power real-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions.

What We Expect:

• 2+ years of front-end development experience, with 2+ years specializing in React.js.
• Deep expertise in React, Next.js, TypeScript, and state management libraries (Redux, Recoil, Zustand, etc.).
• Proven experience in building and optimizing ultra-responsive, high-performance trading platforms for brokers.
• Strong understanding of financial data visualization, real-time charting, order book mechanics, and trade execution workflows.
• Hands-on experience with real-time data streaming, WebSockets, FIX protocol, and API integrations for brokerage services.
• In-depth knowledge of performance optimization, server-side rendering, and rendering strategies for trading dashboards.
• Security-conscious mindset—you know how to build secure, compliant fintech applications that handle sensitive brokerage and trading data.
• A problem-solving mentality that thrives under pressure—brokers depend on our platforms for seamless trade execution, and we deliver nothing less than perfection.

What You Will Do:

• Lead the front-end development of trading applications designed specifically for brokers and financial institutions.
• Architect and optimize blazing-fast, low-latency web applications that ensure brokers can execute trades with unmatched speed and accuracy.
• Design and implement high-performance data visualization components—live stock charts, trade analytics, real-time market depth, and complex order books.
• Work closely with brokers, backend engineers, and UX designers to craft seamless, intuitive, and highly secure trading solutions.
• Solve hard problems at scale—whether it’s optimizing execution speeds, handling high-frequency WebSocket updates, or ensuring zero downtime during peak trading hours.
• Innovate and experiment with cutting-edge front-end technologies to push the boundaries of brokerage solutions.
• Own your work end-to-end—from concept to deployment, ensuring traders and brokers get a flawless user experience.

Must-Have Skills:

• Proven expertise in Front-end development with React.Js
• Deep expertise in React, Next.js, TypeScript, and state management libraries (Redux, Recoil, Zustand, etc.).
• Proven experience in building and optimizing ultra-responsive, high-performance trading platforms for brokers.
• Strong understanding of financial data visualization, real-time charting, order book mechanics, and trade execution workflows.
• Hands-on experience with real-time data streaming, WebSockets, FIX protocol, and API integrations for brokerage services.

Nice-to-Have Skills:

• Experience working on brokerage trading platforms, order management systems (OMS), or risk management tools.
• Contributions to open-source React trading libraries or a portfolio of real-time financial applications.
• Knowledge of regulatory compliance, order execution policies, and broker risk management tools.
• A track record of leading front-end teams, mentoring developers, and driving architectural decisions.

Why Join Us?

• Work with elite engineers and brokerage professionals in the fast-moving world of trading technology.
• Build platforms that brokers, traders, and financial institutions depend on daily.
• A culture that values bold innovation, real-time execution, and pushing the limits of brokerage tech.
• Expect challenges, high expectations, and a relentless pursuit of performance and precision.
• Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of trading web applications for brokers.

About koolio.ai

Website: www.koolio.ai

koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond—easily. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.

About the Full-Time Position

We are looking for a Junior Frontend Engineer to join our fast-growing team on a full-time, hybrid basis. You will be a key contributor in enhancing the user interface of koolio.ai’s AI-powered platform, driving innovation and excellence in audio content creation. You will collaborate closely with senior developers and designers to deliver high-performance, user-friendly web applications that delight our customers.

Key Responsibilities:

• Collaborate with the product and design teams to develop and implement user-friendly web interfaces
• Write clean, efficient, and reusable code using modern frontend technologies
• Ensure responsive design and optimize web pages for performance and scalability across devices
• Debug and resolve issues, improving the overall user experience on the platform
• Assist in integrating APIs and frontend services with the backend
• Stay up-to-date with the latest trends in frontend development and suggest improvements to enhance the platform’s functionality

Requirements and Skills:

• Education: Degree in Computer Science or a related field
• Work Experience: Minimum of 1-2 years of proven experience as a Front-end Engineer or similar role with a focus on user interface development
• Technical Skills:
• Strong proficiency in JavaScript frameworks like ReactJS or Redux
• Proficiency in frontend languages such as HTML, CSS, and JavaScript (ES6+)
• Experience with CSS frameworks (e.g., Bootstrap or Tailwind CSS) for responsive design
• Basic understanding of REST APIs and integration with frontend applications
• Knowledge of version control systems (e.g., Git) and best practices in code management
• Soft Skills:
• Strong attention to detail and a focus on delivering high-quality work
• Ability to work effectively in a remote, collaborative environment with distributed teams
• Willingness to learn new technologies and adapt to a fast-paced startup environment
• Excellent communication and time-management skills, with the ability to manage multiple tasks simultaneously
• Other Skills: 
• Familiarity with Figma or other design tools is a plus. 
• Understanding of SEO principles and how frontend development impacts web performance

Compensation and Benefits:

• Total Yearly Compensation: ₹8-12 LPA based on skills and experience
• Health Insurance: Comprehensive health coverage provided by the company
• ESOPs: An opportunity for wealth creation and to grow alongside a fantastic team

Why Join Us?

• Be a part of a passionate and visionary team at the forefront of audio content creation
• Work on an exciting, evolving product that is reshaping the way audio content is created and consumed
• Thrive in a fast-moving, self-learning startup environment that values innovation, adaptability, and continuous improvement
• Enjoy the flexibility of a full-time hybrid position with opportunities to grow professionally and expand your skills
• Collaborate with talented professionals from around the world, contributing to a product that has a real-world impact

Job Description:

We are looking for a React JS or React Native Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.

Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.

If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

Responsibilities:

• Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
• Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
• Translate storyboards and various use cases to create high-performing apps.
• Write, execute, and maintain clean, reusable, and scalable code.
• Integrate our various data storage solutions.
• Ensure responsiveness and boost the performance of our apps.
• Find and address the various bottlenecks and bug-fixes.
• Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
• Help in code automatization.

What You Need To Apply(Technical Competency):

• Good knowledge of JavaScript, React, API.
• Knowledge of JavaScript Stack / Framework.
• Knowledge of Object-Oriented Programming
• Ability to document their code.
• Understanding accessibility and security compliance.
• Good knowledge of GIT
• Ability to multitask and work in a fast-paced environment.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of web or mobile-based applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects.

Interpersonal skills:

• Must be comfortable working in a team and independently when required.
• Must be disciplined, proactive and self-motivated.
• Needs to have problem-solving and analytical skills.

If you have it all in you, we are happy to have you with us!

We need a trained Website Developer.

Must have a experience of 3 to 5 years.

Knowledge of React, Nod JS, HTML CSS.

Position: React/Redux Frontend Engineer

Location: Pune (Initially Remote)

We are looking for a candidate with experience in building single page applications using React / Redux. You would be working on a product actively used by thousands of customers.

About the Organization:

It is one of the most exciting Bay Area Product Driven Organization in Logistics industry supporting more than 30,0000 customers.

Your responsibility will include, but not limited to:

• Transforming product requirements into clean well-written code

• Optimizing existing code for performance and reusability

Must have:

• 5+ Years of Strong knowledge of Javascript, ES6, JSX
• 2+ Years of Strong knowledge of React and Redux
• Knowledge of promises / Async / Await
• Good understanding of REST API integration and authentication
• Looking for Someone Who can start immediately / Within a month
• Typical Product Background with a Programming Thinking of solving complex problem

Educational Qualification:

Should Be a Computer Science Graduate, preferably from a Tier-1 Engineering college

Good to have:

• Advance GIT

• HTML / CSS knowledge

• Knowledge or experience working with Service Workers


Why join us?

• Very high-growth

• Passionate, collaborative, and awesome co-workers

• Free lunches

• Competitive salaries

 

We are looking for a React JS/React-Native developer interested in building performant and pixel-perfect web applications. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both web and mobile platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes—ReactJS moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Build and deliver features end to end. (frontend and backend)

Skills

• Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
• Knowledge of functional or object-oriented programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Understanding of Firebase cloud functions, firestore and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

UI Developer :

Experience in developing Web Applications/websites using HTML5, CSS3, and Bootstrap4 or above is essential

Experience in CSS preprocessors like Less, Sass

Experience in developing Responsive and Mobile First design products/websites using wireframes & mock-ups is essential

Experience in tailwind CSS is a must (config, create custom util function)

Experience in the latest design principles and animations is essential

Experience in Photoshop / Sketch tools and collaborative products like Invision / Figma is desirable

A fair understanding of JavaScript programming / Jquery is essential

Experience in working with React

Good knowledge of web standards and SEO principles is desirable