React.js Developer

Role : React Developer

Location : Bangalore

Requirements: 

· Developing and implementing UI components using React.js

· Collaborating with cross-functional teams to design and ship new features

· Building reusable components and front-end libraries for future use

· Translating designs and wireframes into high-quality code

· Optimizing components for maximum performance across various web browsers

· Staying up-to-date with the latest industry trends and technologies

· Troubleshooting and debugging issues to ensure smooth user experiences

· Participating in code reviews to maintain code quality and consistency

· Required React developer requirements, qualifications & skills:

· Proficiency in React.js and its core principles

· Strong JavaScript, HTML5, and CSS3 skills

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

· Familiarity with RESTful APIs and integration

· Knowledge of modern authorization mechanisms, such as JSON Web Tokens

· Understanding of front-end build tools and pipelines

· Excellent problem-solving and communication skills

· A strong attention to detail, and a passion for delivering high-quality code

· Adaptability to changing project requirements and priorities

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

· A degree in computer science, software engineering, or a related field

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.

DESIRED SKILLS: React.js, JavaScript, Redux, RESTful APIs, TypeScript

JOB SUMMARY
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
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JWT 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 (such as Git, SVN, and Mercurial)
Familiarity with any ReactJS testing framework is plus

LogiNext is looking for a technically savvy and experienced Software Engineer to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.

You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.

Responsibilities

Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices Understand and coach/teach others, show a high level of ethics and team-work

Requirements

Bachelor/Master’s degree in Computer Science, Information Technology or a related field 0 to 1 years of experience in developing responsive, elegant, efficient and cross-browser front-end applications using Javascript, HTML5, CSS3 Hands on experience on various MVC frameworks, UI libraries such as ReactJS, D3.js Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps Familiar with UX processes and design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Excellent written and oral communication skills, judgment and decision making skills

We are looking for an enthusiastic and passionate Web Developer Intern with a proven track record of building Web apps from the ground up using ReactJs.

• 1-3 Years of experience in Web Development
• Strong proficiency in ReactJS and Firebase
• Knowledge of Twilio API is a plus.
• Understanding of front-end development tools such as Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements.

• Any production project on ReactJs is a plus.

1. Developing new user-facing features using ReactJS.
2. Building reusable components and front-end libraries for future use
3. Translating UI/UX design wireframes into high-quality code for producing visual elements of the application.

4. Optimizing components and creating docs, unit, scenario, integration sanity test, etc. if required.

Spacenos is the fastest-growing start-up which is innovating in the finance, edtech and marketing domain since 2015 and won multiple awards and recognitions from more than 40+ MNCs and Fortune 500 companies. Our Clients are based out of the U.S.A and Australia. We are funded & Supported by Government of Karnataka, Angel Investors and International Grants.

1. Apply for your CV and past work to be reviewed.
2. Receive a telephonic interview or assessment upon filling the final step form.

3. Receive offer letter if selected.

Our hiring process takes less than 24 hours from the time you receive the Final Step form.

Validity: Up to Dec 2023

- Apply soon, the earliest applicant would be preferred over the late applicants.

We are hiring Frontend Developer for Yugabyte.

We are sharing the details about the role and the company for your reference. Kindly review the details and reply with your updated resume asap, if you find the opportunity interesting.

About YugabyteDB:

The high-performance distributed SQL database for global, internet-scale apps.

Yugabyte is the company behind the open source YugabyteDB, a high-performance distributed SQL database for global, internet-scale applications.

Yugabyte is a Transactional, distributed SQL database designed for resilience and scale. Its 100% open source, PostgreSQL compatible, enterprise-grade RDBMS built to run across all your cloud environments

We are a series B funded company and are catering to customers in all spheres. Our investors include Lightspeed, Dell, 8VC and Wipro. Our founders and engineers include creators of Cassandra & HBase and have an experience of running Facebook's public-cloud scale DBaaS handling 1+ Trillion Ops per day and 100+ Petabytes of data. They have scaled the data platform at Facebook from 30M to 1.4B users.

You can find more information about us at the below links

• Yugabyte Youtube Channel - Refer https://www.youtube.com/channel/UCL9BhSLRowqQ1TyBndhiCEw">here.
• Product Documentation - Refer https://docs.yugabyte.com/">here

Built using a unique combination of high-performance document store, auto sharding, per-shard distributed consensus replication and multi-shard ACID transactions (inspired by Google Spanner), YugabyteDB serves both scale-out RDBMS and internet-scale OLTP workloads with low query latency, extreme resilience against failures and global data distribution.

As a cloud native database, it can be deployed across public and private clouds as well as in Kubernetes environments with ease.

Investors: We are backed by top-tier investors including Lightspeed Venture Partners, Dell Technologies Capital, 8VC and Wipro Ventures.

Follow the links to know more about us:

• GitHub (Apache 2.0): https://github.com/yugabyte/yugabyte-db">https://github.com/yugabyte/yugabyte-db
• Docs: https://docs.yugabyte.com">https://docs.yugabyte.com
• https://www.linkedin.com/company/yugabyte/about/">https://www.linkedin.com/company/yugabyte/about/
• https://www.yugabyte.com/">https://www.yugabyte.com/
• https://www.crunchbase.com/organization/yugabyte/company_financials">https://www.crunchbase.com/organization/yugabyte/company_financials

Funding:

Yugabyte has raised a total of $103M in funding over 4 rounds. Their latest funding was raised on Mar 3, 2021 from a Series B round. Yugabyte is funded by 6 investors. Lightspeed Venture Partners and Dell Technologies Capital are the most recent investors. Yugabyte has a post-money valuation in the range of $100M to $500M as of Jun 9, 2020, according to PrivCo.

Job Description:

About this role with short note :

Years of Experience: 2-5 years

what we are looking for:

• You must know the in and out of JavaScript to design optimized and modular components that need to be used across our platform.
• You must be well versed with the React/Redux framework.
• Strong understanding of semantic HTML/HTML5, CSS/CSS3
• Experience in setting up the full UI workflow layer right from Development, Testing, Building, and Deployment.
• Good understanding of MVC architecture.

Good to have:

• Experience in frameworks like Bootstrap, Foundation, and CSS pre-processors like SASS and LESS.
• Exposure to page speed improvement techniques.
• Exposure to building responsive websites at scale.
• Prior work experience in Angular, Backbone, React 

Mentor To Go is an android and web based platform to help students improve their work readiness through self-learning sessions, personalised mentorship provided by mentor professionals from a range of careers, and work experience opportunities.

The technology platform implements  functionalities such as: screening surveys of mentors and mentees, training content for mentors, matching through an algorithm, and mentorship through the delivery of structured activities. 

The application technology architecture comprises of the following:

o   a Python Django web application with NGinx and Gunicorn

o   PostgreSQL database

o   A React Android and Web app

o   Rest APIs which interact between the Android app and the Django webserver

Our vision at Mentor To Go is to provide career mentorship to young people anywhere, anytime across the length and breadth of India.

We are looking for a frontend software developer who is passionate about using web technologies to solve social problems and creating experiences that are elegant and effective.    You will own the front end development of features  of the Mentor To Go web and mobile platforms, from conceptualisation through design and testing. You will work closely with other developers,the technical project manager, and the program operations team. You are user-centric, continuously demonstrate strategic & analytical abilities, and are laser focused on executing at speed. You must have the ability to succeed in a fast paced environment, where success is dependent on your ability to collaborate with cross-functional team members  in a positive, productive, and transparent way.

Minimum requirements

• Bachelor’s degree in engineering preferably  CS  or related discipline
• 3+ years experience with the development of applications for Android, iOS and  web preferably using React Native/ReactJS

• Experience working in Unix/Linux environments
• Experience with a complete mobile software development life cycle
• Strong written and oral communication skills
• Familiarity with version control software such as Git

Desired  requirements

• Strong written and oral communication skills
• Ability to participate in technical discussions and help make technical trade-offs

About Mentor Together

https://mentortogether.org/">Mentor Together is India’s first and largest youth mentoring  non-profit organization with a mission to facilitate empowering mentoring relationships and networks that help young people break the inequalities of opportunity and actualise their potential.

http://bit.ly/mentortogo">Mentor To Go is the world’s first mobile mentoring platform created by Mentor Together with the support of Cisco India, LinkedIn Social Impact, British Telecom and Sterlite Technologies.

React.js Developer Responsibilities:

• 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 React.js 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.

React.js Developer Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• Previous experience working as a React.js Developer.
• 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 user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.