
- AWS: EC2, Lambda, RDS, Elasticsearch, Elasticache, S3, SQS, Kinesis
- JavaScript (Node 10), Typescript
- MySQL, DynamoDB
- Docker
- GitHub
- Jira
- Strong experience in Node
- Familiarity with implementing middleware, custom routing, and proxies
- Optimize applications for maximum speed, scalability, and security
- Drive the development of Node-based API services, using serverless methodologies and decoupled architectures
- Participate in the development of lambda based services and create next-generation solutions using the latest frameworks and tools
- Maintain and build custom microservices to power enterprise Content Management System
- Mentor other developers on our team
- Work directly with other Business Units and participate in project planning

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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.
Job Summary
We are seeking a skilled Frontend Developer with expertise in React.js and React Flow to design and implement dynamic, interactive user interfaces. You will be responsible for building scalable web applications and visual workflows that empower users to interact with complex data and processes intuitively.
🛠️ Key Responsibilities
- Develop responsive and high-performance web applications using React.js
- Design and implement interactive flow-based UIs using React Flow
- Collaborate with UX/UI designers to translate wireframes into functional components
- Optimize components for maximum performance across devices and browsers
- Integrate RESTful APIs and manage application state using tools like Redux or Zustand
- Write clean, maintainable, and well-documented code
- Participate in code reviews, testing, and continuous integration processes
✅ Required Skills
- Strong proficiency in JavaScript (ES6+) and React.js
- Hands-on experience with React Flow for building node-based editors or workflow diagrams
- Familiarity with state management libraries (Redux, Zustand, Recoil)
- Experience with HTML5, CSS3, and modern CSS frameworks (e.g., Tailwind, Styled Components)
- Understanding of component lifecycle, hooks, and functional programming
- Knowledge of Git, CI/CD pipelines, and agile development practices
💡 Preferred Qualifications
- Experience with TypeScript
- Familiarity with backend integration (Node.js, GraphQL, etc.)
- Exposure to data visualization libraries (D3.js, Chart.js)
- Understanding of accessibility and performance optimization
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.
React.js Developer Responsibilities:
● Identifying web-based user interactions.
● Developing and implementing highly responsive user interface components using react
concepts.
● Writing application interface codes using JavaScript following React.js workflows.
● Troubleshooting interface software and debugging application codes.
● Monitoring and improving front-end performance.
React.js Developer Requirements:
● In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
● Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
● Experience with browser-based debugging.
● Excellent troubleshooting skills
.
Job Location - Bangalore
About Klenty:
Klenty is a Software Product company operating in the Sales Engagement category. We
are one of the fastest growing SAAS startups in the sales engagement space, headquartered in
California and operating from Chennai, India. Klenty’s Sales Engagement Product helps
thousands of sales teams automate all the repetitive activities involved in the sales process like
sending emails, follow-ups, tracking engagement metrics, etc - so that the sales team can focus
more on activities like building relationships and closing deals. With over 3000 customers all
over the world, we are on a mission to transform every B2B Sales team into an unstoppable
force. Join us in building the future of sales engagement software.
JD :
Responsibilities:
- Developing new user-facing features using ReactJS.
- Building reusable components and front-end libraries for future use
- Translating designs and wire-frames into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using react concepts.
- Writing application interface codes using JavaScript following ReactJS workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
We are looking for a Developers who can create crafted web and mobile applications from UI using the React library. Your primary responsibility will be the implementation of visual elements and their behaviors with user interactions and ensure technical feasibility of UI/UX designs.. You will be defining how the application looks and functions by working with both the front-end and back-end developers.
1.A developer who is proficient with ReactJS (Redux or Flex)
2.Strong hands on the backend with nodeJS and has experience in developing robust web application with javascript
3.Should have basic understanding of AWS, various Databases and able to write simple api with express
4.Familiar with concepts like Isomorphic web apps , state management, push state, local storage, and promises
5.Sufficient knowledge on git, test driven development and browser debugging
SKILLS
- 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)
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements and translate them into technical requirements
- Familiarity with code versioning tools such as Git, SVN, and Mercurial
- Educational qualifications of B.E. or M.E. equivalent degrees in Computer Science will be preferred
Experience : 2-3+ Years
Roles & Responsibilities :
1) Must have knowledge of HTML, CSS and Javascript.
2) Have good problem solving skills (Data Structure and Algorithms).
3) Have understanding of brower api's, DOM and REST API's.
4) Should have hands on experience in working with Typescript.
5) Should be able to work in a small team, understand requirement and deliver the required output.
6) Should be able to write extensible, performant and testable code in typescript.
7) Must have experience in developing SPA using React, Redux, React Hooks.
8) Should have working knowledge of Version Control Sytems like GIT.
9) Should be able to convert given UX design to working application.
Technical Skill :
HTML, CSS, AngularJS, ReactJSWhat will you do:
• Responsible for UI development of one of the modules of the product
• Collaborate with Designers to iterate on the design and implementation of our
product
• Ensure the technical feasibility of UI/UX designs
• Develop reusable UI widgets that can be reused across the solution
• Champion Usability & Frontend best practice
What are we looking for:
• A minimum of 3+ years experience in Web development
• A strong Javascript background - Object Oriented JavaScript
• Hands-on experience on ReactJs and/or AngularJS of 2 years at least
• Knowledge of cross-browser compatibility issues and client-side performance
considerations.
• Strong academic background and problem solving skills
• Take ownership of features/modules and manage it completely
• Ability to communicate and defend your ideas clearly
• A desire to build products that users love
Good to have:
• Familiarity with Scrum/Agile methodology
• Experience in React Native
Company Introduction
We started Kool Kanya because we want young women to own and create their futures. We propel and empower you with knowledge, skills, and access to curate jobs that resonate with you. You can count on us to support you through all your career stages and challenges. We are truly here to create the workforce of the future.
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well- known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative
problem solving, sophisticated design, and quality product is important.
What we are asking
· Developing new user-facing features using React.js
· 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 browser
Skills and qualification
· 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 isomorphic React is a plus
· Familiarity with RESTful APIs
· Knowledge of modern authorization mechanisms, such as JSON Web Token
· Familiarity with modern front-end build pipelines and tools
· Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
· Ability to understand business requirements and translate them into technical requirements
· A knack for benchmarking and optimization
· Familiarity with code versioning tools e.g. git










