
Must-haves:
1. You need to be excited about the problem that we are trying to solve
2. 2+ years of experience building applications in React Native
3. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
4. Strong JS fundamentals
5. Experience with iOS or Native Android development experience
6. Ability to give clarity and communicate well with the team, including
Product, Backend and Dev-Ops (if and when needed)
7. Ability to use profiling tools well, getting to root causes of bugs fast
8. Ability to pick and work on adjacent technologies if and when
required (Eg: If the best performance monitoring solution needs a
basic firebase setup, that should not be a blocker for you to go ahead
and do so)
9. Maintain code and write unit tests to ensure the product is of the
highest quality.
10. Reach out to the open-source community to encourage and help
implement mission-critical software fixes—React Native moves fast.
11. You need to be comfortable working in a remote environment (Good
internet connection and availability on phone is required)
12. Keen to learn!
Good to have:
1. Experience with React.js
2. Experience in Test Driven Development
3. Ability to tell Product what creates better User Experience, ability to
tell backend what API responses will help the user get a faster load
time
4. Inquisitiveness to understand the system as a whole, and not only be
stuck to your domain of expertise (Eg: Asking questions like why
does this particular response take so much time as compared to
others, and brainstorming with the backend engineer on how to
improve on it

Similar jobs
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.
Skills & Qualifications
●Should have experience of Angular 13
●Should have 1 year of experience in NodeJS and RESTFUL API Development.
●Strong knowledge of Front-End web development in Advance JavaScript (ES6, ES7,
ES8, ES9), OOPS Concept PLUS exceptional debug skills
●Experience in Unit test development (Test Driven Development – TDD)
●Experience building progressive responsive web applications.
●Experience in the concepts of code repositories (Preference GIT) and be able to commit
code
●A team player with good communication skills
●Analytical thinking and problem-solving capability
●Good to have - Continuous Integration (CI) tools like Jenkins.
●Any experience on AWS will be a plus
What are we looking for
●5+ years of experience in HTML5, CSS,Bootstrap,JavaScript,Tailwind,Angular (12.0 or higher), TypeScript and related technologies
Educational Qualifications
Bachelor's degree or equivalent experience in Computer Science or related field.
We are looking out for Flutter Developers who will be running and designing product application features across various cross platform devices. We are looking out for someone who has experience using Flutter widgets that can be plugged together, customized and deployed anywhere. You should be passionate about writing code, and taking up full ownership of app development.
Qualification :
Bachelor's degree in computer science, software engineering, or a related field is preferred.
Experience :
Minimum 1 year experience in Flutter or Andriod App Development.
Responsibilities
- ● Building and shipping a robust application to Android/iOS devices using a single codebase
- ● Writing readable and clear code using Dart that will be extensively documented for future use and upgrades
- ● Sharing feedback and brainstorming ideas with teams to improve the development process
- ● Understand basic concepts of design for developing user friendly applications
- ● Stay up to date with the latest technologies
- ● Familiarize yourself with the different stacks and products.
- ● Lead development initiatives for other features
- Job Qualifications and Skill Sets
- ● Experience in development of Android/iOS applications and have deployed them on Google Play/App Store
- ● 3+ years knowledge in mobile app development
- ● In depth understanding of Object Oriented programming
- ● Familiarity using Git and IDEs like Android Studio & VS Code
- ● Understanding of the Agile Software Development Life Cycle and been exposed to
- Scrum projects
- ● Knowledge of Dart programming language, Rest APIs and integration of various APIs
- from third parties
- ● Comfortable using test cases for debugging code, enhancing performance and reliability
- ● Track record of successfully managing multiple company or customer websites
- ● Excellent time-management and communication skills
Senior / Lead Full Stack or Frontend Engineer
Full Time, Permanent
Location: Bangalore (Currently Remote, Post Pandemic you need to relocate)
Hiring for a Series E, 3.1 Billion Dollar rapidly growing organisation focused on payments, marketing and customer loyalty.
- To take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
- Code reviews.
- Mentoring Team members to develop in line with product requirements.
- Collaborate with Senior Architect for design and technology choices for product development roadmap.
- Thorough knowledge of developing cloud based software including backend apis and react/angular based frontend.
- Thorough knowledge of scalable design patterns and message based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, Sql etc.
- Experience with AWS services such as S3, IAM, Lambda etc.
- Expert level coding skills in NodeJs,TypeScript,Scala,ReactJs,Angular.
- Eye for user centric mobile first designs on the frontend.
- Experience with hybrid frontends such as react-native, electronJs is a plus.
1. Coding using JSX
2. Applying data structures and algorithms and code in javascript
3. Implementing the front-end logic that defines the behavior of the visual elements of a web application
4. Being responsible for connecting this with the services that reside on the back-end
5. Working alongside other front-end web developers who specialize in markup and styling
Should be hands-on in working with web technologies including HTML5, CSS3, JavascriptDrupal Developer primarily responsible for back-end/module development.Involve in continuous learning and gain knowledge of the latest technologies
Hello Connections,
Hiring #reactjsdeveloper Aggressively, people who can join us immediately!!
Company: Smart Software Solutions
Experience: 3+years in React Native/ React JS
Qualification: Graduate in Computer Science
Location: Nagpur only
Technology Stack:
Front-End (Mobile):-
React Native, Redux Toolkit, React-Navigation Fire-Base, Axios, Material UI and some UI Libraries
Front-end (Web):-
React JS, Redux, Material UI, StoryBook, Axios, Webhook etc.
Testing Frameworks:- Unit test, enzyme, jest
ORM Frameworks:- Entity Framework
Web-Scripting:-
HTML, CSS, XML, DTD, JavaScript, JQuery, Ajax, and BootStrap
Databases:- Oracle, My SQL, MongoDB
Experience with user-interface design
Experience with browser-based debugging and performance testing software
Interested candidates provide details below:-
Current Location:
Notice Period:
Current Salary:
Expected Salary:
Job Responsibilities:
- Collaboratively work with UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
- Mentor junior members through training and individual support
- Responsible for all front end development on a project
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Identify and troubleshoot UX problems (e.g. responsiveness)
- Conduct layout adjustments based on user feedback
- Adhere to style standards on fonts, colors and images
- Optimize existing user interface designs
- Proactively learn and accordingly apply new technologies, best design practices and usability patterns
The ideal candidate must -
- 5+ years of experience working with React or React-based frameworks
- Proficiency with browser-based debugging and performance testing
- Proficiency in Git and version control
- Considerable experience with a testing framework (Jest/Mocha)
- Familiarity with RESTful APIs and GraphQL
- Knowledge of modern authorization mechanisms, such as JWT Tokens
- Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc
- Hands-on experience with CSS-in-JS libraries
- Proficient understanding of cross-browser compatibility issues and ways to work around them
- Keen to learn, mentor and willingness to take ownership of work items
- Possess strong communication and self-accountability
2. Build web and mobile apps in ReactJS, React Native.
3. Convert UI/UX design wireframes into React code ensuring responsiveness.
We do have opening with our company Crownstack Technologies for React.Js Developer. Interested candidate can share their CV.
About us
Crownstack is a premium organisation that specializes in providing innovative digital technology solutions to various enterprises including startups, small and medium-sized businesses and Fortune 500 companies across the globe. Our services include, but are not limited to, UI design, mobile app and web development, Cloud computing, data analytics, and Dev Ops. We take pride in our ingenious, meticulous, and skilled workforce who aim to deliver sustainable and cutting-edge business and technology solutions to all our clients. ★ 100+ Successful Apps Delivered | ★ Enterprise and Startup Clients | ★ Scalable Products | ★ MEAN Stack | ★ Python, pHp, NodeJs | ★ Agile Development | ★ Best UI/UX Award
Job Description
Crownstack is looking for ReactJs Developers to join our team and deliver a streamlined user experience. We want a team member who strives to develop a first-class codebase using ReactJs best practices. As a React Developer, you will implement a complete user interface across our mobile and desktop web interfaces.
Requirements
Job Location: Gurgaon/Noida
Experience: 2+ years
Roles and Responsibilities
- Develop user interfaces with the latest frontend technologies
- Research, analyze, and develop product features of increasingly complex nature
- Code tested and documented JavaScript, HTML, PUG and CSS
- Make design and technical decisions for ReactJs projects.
- Develop application code and unit testing in the ReactJs with REST APIs
- Ensure high performance of all systems developed
Skills and Qualifications
- 2+ years experience with ReactJs
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Experienced in Typescript is a plus
- Familiarity with testing frameworks (Ex. Enzyme)
- Experience in building highly reusable and decoupled components
- Experience in State management Libraries like Redux, mobx
- Critical thinking and problem-solving skills
- Good time-management skills
- Great interpersonal and communication skills








