Javascript Developer

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.

If you are working in a product based company then only apply.

WHO YOU ARE

To be successful in this role, you’ll need to have the following skills:

·         Love for coding: A fanatic about writing beautiful and scalable code.

·         Sense of analytics: Strong analytical and troubleshooting skills. Should be resourceful, innovative and inventive.

·         Dynamic: Should be comfortable in dealing with lots of moving pieces. Have exquisite attention to detail, and are comfortable learning new technologies and systems. 

·         Team player: Knack for influencing without being authoritative. Pitch in wherever the team needs help, from writing blog posts to supporting customers.

·         Accountability: High sense of ownership for your code and relentlessness to deliver projects with high business impact. 

KEY QUALIFICATIONS

·         BE/BTech in Computer Science or related field. 

·         Minimum 3+ years of UI/Frontend development and a strong understanding of building complex layouts using JavaScript, CSS and HTML.

KEY SKILLS

·         Strong computer system analysis and design skills in current methodologies and patterns including vanilla JavaScript, some experience with ReactJS, Redux, React Native, Webpack, and Typescript or similar library/tools.

·         Obsessed with WPO (Web Performance Optimization) and web/mobile performance analysis.

·         Experienced with web standards and protocols such as HTTP, DNS, TCP/IP, and socket APIs in general.

·         Familiar with web security, SEO, accessibility and internationalization.

Senior 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.

If you’re obsessed with performance, thrive under market pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest front-end challenges in brokerage and fintech. Step up. Apply now.

• 8+ years of experience with one of the top frontend frameworks - React (preferred) and with App development (recommended)
• Demonstrated experience in managing  successful engineering teams across both web and app development
• Solid understanding of modern CSS methodologies like SCSS, SASS
• Exposure to latest developments in UI development like PWA, Single Page Apps, Hybrid Apps, Responsive web design etc
• Deep understanding of Javascript topics including the V8 Engine, Async, Memory
• Management, Duplex Communication.
• Understanding of app development practices
• Prior startup experience is a plus

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. 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.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both 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—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

Urgent requirement for Angular Developer for a US-based product development company.

Apply only if you have experience in Angular and javascript. (OOPS concepts is a must)

Experience: 3 + years

Location: Bangalore

Notice Period: Immediate to 20 days

Working: currently WFH

Skills: Angular, HTML, CSS, Javascript,OOPS,Restful API

Please mention the IT skills worked on.

About Spinny

Founded in 2015

O2O Model focusing on selling high quality certified refurbished cars

Offering 5 Days no question money back + 1 year warranty

Over 10 outlets in 5 Cities: Delhi NCR, Bangalore, Mumbai, Pune & Hyderabad. (Launching in 3 more cities soon)

Over 10000+ supremely happy customers

Business Model

Working on a transactional and fulfilment model, Spinny is the go-to platform for buying and selling used cars.

Offering convenient transactions to the customers

One of the key differentiating factors is that its price engine, which works

on a proprietary neural network-based algorithm, determines the correct price of the car.

Spinny also takes care of all the paperwork, from registration to title transfers as well as assisting buyers in financing their purchase.

Frontend Developerswho possess passion for pushing web technologies to the limits and will work with our team of talented engineers to design and build the next generation of the Spinny web application.

Software Development Engineer: Frontend

Our Culture

Over 750 Spinners in the ecosystem Fast track growth environment Fostering strength driven culture Culture philosophy of social, agile and sustainable Top 50 global technology 

Crunchbase

Series A & Series B funding by SAIF & ACCEL & ALTERIAFrontend Developers who possess passion for pushing web technologies to the limits and will work with our team of talented engineers to design and build the next generation of the Spinny web application.

What you'll do

You are a perfect match with us, if you have:

Experience in javascript frameworks such as React,, etc and a good understanding of the basics of these frameworks and their life cycles.

Experience with popular React.js workflows (such as Flux or Redux).

Familiarity with newer specifications of ECMAScript (ES6 ES7).

Bachelors/ Masters degree in Computer Science, Engineering, preferably from IITs/Top RECs.

1-5 years of experience at cutting edge organizations or startups