Senior Software Developer

Description :

Job Title : React Native Developer

Experience : 3 - 5 years

Location : Bangalore

Company : Tradelab

About the Role :

We are looking for a skilled React Native Developer to join our dynamic team at Tradelab. The ideal candidate will have hands-on experience in building and deploying mobile applications using React Native and a strong understanding of modern JavaScript frameworks.

Key Responsibilities :

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.

- Write clean, maintainable, and efficient code following best practices.

- Optimize application performance and troubleshoot issues across iOS and Android platforms.

- Integrate APIs and third-party libraries as needed.

- Participate in code reviews and contribute to continuous improvement.

Required Skills & Qualifications :

- 3 - 5 years of professional experience in mobile app development.

- Strong proficiency in React Native, JavaScript (ES6+), and related technologies.

- Experience with Redux, React Navigation, and other state management tools.

- Familiarity with native build tools like Xcode, Android Studio, and Gradle.

- Understanding of RESTful APIs and asynchronous programming.

- Knowledge of mobile UI/UX standards and responsive design principles.

- Experience with version control systems (e.g., Git).

Nice to Have :

- Exposure to TypeScript.

- Experience with CI/CD pipelines for mobile apps.

- Knowledge of testing frameworks like Jest or Detox.

Why Join Us ?

- Work on cutting-edge trading technology solutions.

- Collaborative and innovative work environment.

- Opportunities for professional growth and learning.

👉 Start your AI interview now: https://lnkd.in/dGzErFMQ

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

We're hiring a Front End Developer for the Indore location to join our team!

Experience required: 2-4 Years

Job Location: Indore (Onsite)

#skillsrequired:- Reactjs, Next.js, Redux, Flux, HTML, CSS, JavaScript, Material-UI (MUI), Git, Webpack, Babel

#Requirements:

▫ Proficiency in React.js and its core principles

▫ Experience with popular React.js workflows (such as Redux, Flux, or Context API)

▫ Strong knowledge of HTML, CSS, and JavaScript

▫ Familiarity with the Next.js and Material-UI (MUI) framework

▫ Understanding of RESTful APIs and asynchronous request handling

▫ Experience with version control systems (e.g., Git)

▫ Knowledge of frontend build tools (e.g., Webpack, Babel)

▫ Ability to optimize applications for maximum speed and scalability

▫ Familiarity with browser rendering behavior and performance optimization techniques

▫ Excellent problem-solving and communication skills

▫ Experience with Agile/Scrum methodologies is a plus

 Extensive (4+ years) knowledge of web technologies and building large scale web applications​

· Strong proficiency in Java Script​

· Expertise in Object-oriented programming​

· Understanding the fully asynchronous behavior of React.js (Redux)

· Solid understanding of user-centered design principles and MVC/MVP/MVVM patterns specific​

to front- end development​

· Good in problem-solving skills​

· Good in English communication (verbal and written)

You should apply if you have —

1. 3 - 5 years of technical experience (you can count internships & freelance work towards this).
2. Proficiency in React (especially Hooks) and Typescript; experience in Node.js is nice to have.
3. Experience in profiling apps for performance.
4. A track record of writing accessible and detailed version-control commits, documentation and code reviews.
5. A strong ability to write clean, scalable, self-documenting & highly-testable code.
6. Very good problem-solving skills.

You'll be helping us with some of these challenges —

1. How do we keep building more features while keeping the code clean, as small as possible and highly performant?
2. How do we build a strong testing-first delivery cycle so we can ship code with greater confidence?

We're problem-solvers at heart, and we value data-driven decision-making. We believe in high-quality execution, crafting great user experiences, honest & transparent communication and enabling our people to thrive and be the best version of themselves.

The early engineering + product team includes folks from https://home.lynk.co.in/" target="_blank">Lynk,Zoho and https://www.kilobytetech.com/" target="_blank">Kilobyte, and we're hoping to build one of the best teams in the city; kind & compassionate, diverse and smart — one you can be proud for being a part of.

We're all generalists and prefer picking the right tool for the job. That said, we do use a lot of new & exciting technology.

Backend

• Golang for most services and Node.js (https://koajs.com/" target="_blank">Koa, https://github.com/lukeed/polka#polka" target="_blank">Polka) for a few
• gRPC for inter-service communication
• PostgreSQL

Frontend

• 100% TypeScript
• React v17 & https://nextjs.org/" target="_blank">Next.js v10
• https://github.com/pmndrs/zustand#readme" target="_blank">Zustand
• https://chakra-ui.com/" target="_blank">Chakra-UI
• https://www.framer.com/motion/" target="_blank">Framer Motion
• https://storybook.js.org/" target="_blank">Storybook
• https://maizzle.com/" target="_blank">Maizzle

Infra

• AWS (with extensive use of RDS, S3, ECS, SQS, SES & CloudWatch)
• Gitlab for version-control and CI/CD
• All apps built and shipped as Docker images
• Kubernetes for container orchestration
• https://www.honeybadger.io/" target="_blank">Honeybadger for error analytics & uptime monitoring

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.

Responsibilities
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.

Skills
Firm grasp of the JavaScript, TypeScript, ClojureScript 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
Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ
Understanding of REST APIs, the document request model, and offline storage
Experience with automated testing suites, like Jest or Mocha

Role and Responsibilities

• Making technology work for small holder farmers is the primary function of this team, the individual joining this team should be self-driven towards creating impact.
• A keen listener and has a pro-active approach to problem solving.
• Should understand the role of digital transformation in a company’s journey.
• An individual who follows technological advancements closely and thinks of new and innovative use cases that such technology can solve.
• Having previous experience in product management and/or platform development projects is a plus.
• Knowledge of software development life cycle and software configuration management tools preferred.
• The candidate should demonstrate high bias-for-action and should drive results that matter to the function and to the entire organisation.
• Build from ground up, a scalable server infrastructure and client applications.
• Design, develop and deploy features and consume APIs with high quality standards.
• Manage the infrastructure hosted in the cloud.
• Contribute significantly in reviewing code, design & test-cases authored by peers.

Qualifications and Education Requirements

• 2-6 years experience of design and development experience building scalable & distributed systems.
• Bachelor’s or Master’s degree in Engineering from reputed institutes.

SKILLS

• Agile Project Management
• Software Development Life Cycle and Software Configuration Management
• Excellent coding, debugging skills.
• Hands-on experience on the following tech stacks:
  ReactJs, NodeJs, TypeScript, PostgresSQL/MongoDB, Nginx, Pm2, Redis, Bootstrap, CSS
• Knowledge of Microservices and REST APIs.
• Must have: Experience with managing server infra in hybrid cloud AWS & GCP.
• Must Have: Very good understanding of OOPS and design patterns.
• Nice to have: Hands-on-experience with analytics using ELK stack/ Mixpanel.