React.js Developer

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.

About the Role

We are looking for a highly skilled and experienced Senior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.

If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.

Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
• Build reusable components and front-end libraries for future use.
• Optimize app performance for speed and scalability across devices and OS versions.
• Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
• Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
• Integrate RESTful APIs and third-party services.
• Handle app store submissions and updates.
• Mentor junior developers and enforce best practices in mobile development.

Requirements

Must-Have:

• 5+ years of experience in mobile application development.
• 3+ years of hands-on experience with React Native.
• Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
• Deep knowledge of iOS and Android mobile app development lifecycle.
• Experience with mobile UI/UX best practices and performance optimization.
• Familiarity with native build tools (Xcode, Android Studio).
• Experience integrating REST APIs and handling network latency issues.
• Proficient with Git, GitHub/GitLab, and agile development practices.
• Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
• Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
• Knowledge of automated testing frameworks (Jest, Detox).
• Published apps in both the App Store and Google Play.
• Prior experience in startups or high-growth environments.

What We Offer

• Opportunity to lead and build a product from the ground up.
• Work with a dynamic and talented team in a fast-paced environment.
• Flexible working hours and remote-first culture.
• Competitive salary and equity options (if applicable).
• Learning and development budget.

Responsibilities:

• Working closely with product, design and development team to achieve high cohesion across features and;
• Feasibility analysis of the technical requirements and web designs;
• You will be responsible to develop and contribute towards consumer-facing web application;
• Writing modular code to achieve loose coupling and reusability of modules across application;
• Architecting, prototyping and implementing high-impact modules for our end users;
• UI/UX.

Requirements:

• High Proficiency in frontend technologies like Angular, React JS, Vue.Js Redux etc.;
• Good design skills and knowledge and experience working with UI design patterns and frameworks;
• Good understanding of fundamental design principles behind a scalable application;
• 3-5 years of strong hands-on experience in Angular and React.

Qualifications:

Primary Skill Set:

5+ years for experience in developing highly scalable, reliable, secure web applications
Experience with React.js, Node.js, Redux, flux, Javascript (preferably TypeScript).
Atleast 1 years of experience in product or SaaS development.
Excellent Team management, communication skills, both verbal and written
Strong CS fundamentals like data structures and especially the asynchronous challenges that are faced by JavaScript developers regularily.


Preferable Skillset:

One year of experience using AWS services, such as Lambda, SES, SQS, EC2, RDS, ELB’s and have knowledge of VPC’s (AWS and/or RightScale knowledge a plus.
Proficient with the Webpack,Jest, Eslint, Jenkins, Docker, Enzyme.
Experience designing data persistence and caching concepts using both SQL and NoSQL DBMS (MySQL, DynamoDB, Redis, etc.) and client side storage
Profile and improve frontend performance

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale — across all devices and digital , and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in.

REQUIREMENTS:

• Must-Have: Typescript
• Expertise in TypeScript, HTML CSS, React JS, Unit Testing, Webpack, Service Worker and Web Worker
• Knowledge of high-quality professional software engineering practices for the agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment
• Fundamental knowledge of design patterns
• Passionate about building great solutions
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery
• Knowledge of multi-site and multi-locale sites would be preferred
• Task delivery, Task status reporting, Proactive Contribution, Process Adherence, Autonomous task delivery, Effort estimation (Strong), Technical risk handling, Technical solutions (Strong), Risk management (Strong), Technical leadership (Capable), Client interaction, Interviewer, Pre-sales support.
• Knowledge of high-quality professional software engineering practices for the agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment
• Fundamental knowledge of design patterns
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs
• Passionate about building great solutions
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios

 RESPONSIBILITIES: 

• Writing and reviewing great-quality code
• Understanding functional requirements thoroughly and analyzing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks to realize it
• Determining and implementing design methodologies and toolsets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production rollouts
• Creating, understanding and validating WBS and estimated effort for a given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken
• Carrying out POCs to make sure that suggested designs/technologies meet the requirements

• 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

• 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 and knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git
• Good understanding of SEO principles and ensuring that application will adhere to them

What you will be working on:

• Apply strategic thinking to design and deliver aesthetically pleasing innovative user-centric design and experiences across web and mobile platforms and devices
• Produce user flows, wireframes, prototypes (for stakeholder discussions/approvals), user interface specifications, and final graphics with a strong visual design element
• Drive the development and communication of design guidelines, patterns, and libraries- Keep a keen eye for detail and a passion for - pixel-perfect- fit and finish

What makes a great Product Designer for University Living?

• 3-6 years of experience in Product (UI/UX) Design
• At least B.Tech. degree with a background in consumer internet products
• Proficiency in Adobe XD, Sketch, Photoshop, CorelDraw, Illustrator, OmniGraffle, or other visual design and wire-framing tools
• Demonstrable UI design skills with a strong portfolio
• Strong believer in mobile-first and responsive design
• Understands the latest in visual and interaction design trends.
• Understanding of HTML5, CSS4, JavaScript, Bootstrap 4
• Familiarity with development frameworks such as Angular, React

Why should you join us?

• Compensation is better than Market Standards
• ESOPs (for exceptional candidate)
• Exposure with advanced technology
• Free Healthcare
• Provident Fund Allowance
• Monthly Rewards & recognition Program
• Competitive Annual Appraisals & Internal Promotions

Ideally  from IIT, NIT, IIIT ,top colleges or hackers with project demonstrating exceptional problem solving capability.

Note : This job is for immediate joining. Please apply ONLY IF you can join immediately.

Experience :- Junior role : 1 to 3 years/Senior : 5 to 7 Years

Industry: FinTech / BFSI

Functional Area: Core Platform Programming, Maintenance

Role Category: Programming & Design

Role: Software Developer

Employment Type: Permanent Job, Full Time

Overview:

We are looking for a passionate, talented, and motivated UI/UX  Front End Angular Developer to join our team and help build out the next set of kick-ass features.

FE/UIX  Developer at Konectbox, you’ll deliver high-quality technical solutions to build UI/UX  using a range of different technologies. You’ll be involved in the entire product development lifecycle including the design, development, deployment and maintenance of new and existing features.

You should apply to us if you’re excited about working on the newest technologies and delivering value with a sense of ownership. If selected, you get to be a part of a small but committed group of technologists who are trying to improve how events are ticketed and marketed in India.

About the role:

• Highly skilled at front-end engineering using Object-Oriented JavaScript, various JavaScript libraries and micro frameworks (Angular, Prototype, Backbone), HTML and CSS
• Translates designs and style guides provided by the UI/UX team into functional user interfaces, ensuring
• Well versed in software engineering principles, frameworks and technologies
• Self-directed team player who thrives in a continually changing environment
• Builds mobile software applications Follows coding standards, builds appropriate unit tests, integration tests and deployment scripts
• Assists in defining architectures Collaborates with teams to explore existing systems, determines areas of complexity and learns the applications capabilities
• Owns success Takes responsibility for successful delivery of the solutions
• Communicates continually with the project teams Explains progress on the development effort
• cross browser compatibility and performance
• Contributes to continual improvement by suggesting improvements to user interface, software architecture or use of new technologies
• Nice to have : 
• Complete understanding of internal code library (jquery or any other)
• Some record of contribution to any front end open source project.

Perks :

• You get to work at a fun filled atmosphere
• Have ample chances of learning leadership, mentor-ship skills
• A solid salary package along with chance to get good value of ESOPs.

Salary Range : 6 LPA to 12 LPA 

(based on qualifications, experience and skills)

Key Skills : Javascript, Angular, Backbone, Prototype, HTML, CSS

• Develop new product features and new applications within an Agile
• Build reusable code and libraries for future
• Write well-designed, testable, efficient code using the latest development best
• Collaborate with designers to implement and improve design
• Optimize applications for maximum speed and
• Stay up-to-date on emerging
• Contribute to the continuous improvement of the development

• Passion to build world class UI design
• 5+ years of experience developing web applications with modern JavaScript programming frameworks, tooling and libraries (such as Backbone, Angular, React, Vue.js, Ember) and CSS pre-processing frameworks (such as Sass or Less)
• Minimum one-year experience in developing js applications in team environment.
• Experience with state management frameworks like Redux
• Experience writing unit tests
• Familiarity with common front-end development tools such as Babel, Webpack, gulp, npm- scripts
• Any experience building, launching or supporting a SaaS product