Codalyze Technologies - Javascript Developer - AngularJS (1-3 yrs)

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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.
Experience: 2 to 4 years
CTC Offered: Upto 15lpa
Job Description:
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools React Components designing, React-Bootstrap.
- Experience with user interface design.
- Experience with responsive and adaptive design.
- Understanding of SEO principles.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.
Interview Process:
- Personal interview with Sr. Manager (Technical Round)
- Personal Interview with HOD (Technical + Behavioural)
We are looking to hire an experienced angularJS developer to join our dynamic team. As a lead developer, you will be responsible for creating a top-level coding-base using Angular best practices. Your role will require you to implement an exciting and streamlined user experience in the form of a Java-based desktop and mobile web-app.
To ensure success as an angularJS developer, you should have extensive knowledge of theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have excellent project management skills. Ultimately, a top-class angularJS developer can design and build a streamlined application to company specifications that perfectly meet the needs of the user.
AngularJS Developer Responsibilities:
Designing and developing user interfaces using angularJS best practices.
Adapting interface for modern internet applications using the latest front-end technologies.
Writing JavaScript, CSS, and HTML.
Developing product analysis tasks.
Making complex technical and design decisions for AngularJS projects.
Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
Conducting performance tests.
Consulting with the design team.
Ensuring high performance of applications and providing support.
AngularJS Developer Requirements:
Bachelor’s degree in computer science, computer engineering or similar.
Previous work experience as an angularJS developer.
Proficient in CSS, HTML, and writing cross-browser compatible code.
Experience using JavaScript building tools like Gulp or Grunt.
Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
Excellent project management skills.
Proven experience implementing front-end and back-end JavaScript applications.
Excellent communication skills.
Critical thinker and good problem-solver.
Responsibilities
- Work closely with design, product management, and development teams to create elegant, usable, responsive, and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
Requirements
- 2 to 5 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
- Sound knowledge in JavaScript, ReactJS, HTML, CSS
- Familiar with UI layouts, SASS, bootstrap, and Material UI
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console
- Knowledge of TDD frameworks mocha, chai, jest etc.
- Understanding of Typescript
- Understanding of ReactJS based frameworks like NextJS, Gatsby, etc.
- Understanding of REST API
- Passionate to create good design and usability
- 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.
● Take part in applications GUI development (including its UI and 3D elements).
● Champion the latest UI technologies using React, SCSS, CSS, JavaScript.
● Be responsible for working with business owners to propose high-quality user
experience solutions for web applications.
● Collaborate with Business Analysis and UI/UX teams to help them to implement use
case scenarios and provide the best customer experience.
● Be responsible for design and implementation of UI components in React.
● Develop web-based user interfaces, applications, and Web Service integration APIs
using REST API.
● Work as a team with backend developers and other front-end developers to provide
full end-to-end solutions.
● Interact with the SQA team to ensure high quality of the software delivered.
● Be responsible for working with the configuration management and administration
teams to provide accurate build and deployment instructions.
● Ensure application development principles, standards, and best practices are followed
for each project.
Skills & Experience:
● Understanding of key design principles.
● Proficiency in HTML, CSS, JavaScript, and jQuery.
● DS & Algo
● Understanding of server-side CSS.
● Experience with responsive and adaptive design.
● Good problem-solving skills.
● Determining the structure and design of web pages.
● Ensuring user experience determines design choices.
● Developing features to enhance the user experience.
● Ensuring web design is optimized for smartphones.
● Building reusable code for future use.
● Optimizing web pages for maximum speed and scalability.
● Utilizing a variety of markup languages to write web pages.
● Maintaining brand consistency throughout the design.
Job Description:
- We are looking for a great Frontend developer who is proficient with Javascript and/or React.js to join us at the earliest.
- You will be entrusted with developing user interface components and implementing them using popular React.js workflows (Flux, Redux, etc.).
- 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.
- Apply now if you love collaborative problem solving, sophisticated design, and ensure the quality is maintained.
Know your work:
- Responsible for the development of a new highly-responsive, web-based user interface.
- Construct visualizations that are able to depict vast amounts of data.
- 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 browsers.
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it.
What you need to apply:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Hands-on experience with React Native is an added advantage.
- 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 builds 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 (Git, SVN, and Mercurial)
What you get:
- Amazing workplace and colleagues in the IT corridor of Bangalore
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies
Notice Period & Location:
Notice Period: Immediately or within 2 Weeks
Location: Bangalore/Bengaluru or Pune
No of Positions: 10
Job Type: Full-time

- Responsible for development of new highly responsive, web-based user interface
- Construct visualizations that can depict vast amounts of data
- Work and collaborate with the rest of the engineering team
- Work with product team and graphic designers
- Learn and understand user interactions
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it
Requirements and qualifications
- B.S Degree in Computer Science
- Experience with JavaScript
- Experience with REACT
- Experience with HTML / CSS
- Experience with REST API's
- Git knowledge is a plus
- Team player
- Good time-management skills
- Great interpersonal and communication skills
- Responsible for the implementation of end-to-end modules starting from user interface, business logic layer and database layer.
- Proficient in HTML, javascript.
- React JS experience is an added advantage.
- Assists in research, design, documentation, and modification of software specifications throughout the software development life cycle.
- Analyzes, troubleshoots, and optimizes code.
- Participates in requirements gathering meetings and produces technical documentation as needed.
Peppo is a fair food ordering utility. It helps restaurants manage both the demand and the delivery sides of their business, on the cloud.
Peppo is a seed funded startup, developed by the team at First WalkIn Technologies. Founded in 2015, our incredible team of engineers, programmers, designers, data scientists and marketing experts have worked tirelessly to bring digital transformation solutions to iconic F&B brands such as Cafe Coffee Day, McDonald's, Pizza Hut and Domino's.
Now we've set out to bring the same expertise to all restaurants, big and small, so they can compete on fair terms in an increasingly digital world.
About Role
We are looking for an experienced Front-end Software Engineer with first-rate programming skills to join our retail platform team. In this role, you’ll be making some of the most significant decisions for the company. You need to have strong problem solving capabilities, be a team player and have great communication skills. You also need to be goal-oriented, have the ability to understand the core architecture and take up responsibility of product feature development. You must be a highly technical, hands-on developer with passion for producing high standard and robust code.
- Collaborate with the design/business teams and develop software meeting product requirements, with lead responsibility for different features in the product.
- Responsible for communicating and reporting to the tech lead.
- Code new features as well as maintain existing features.
- Participate in technical design and architecture reviews.
- Write technical documentation.
- Participate in code reviews.
- Prototype and/or redesign features.
- Fix bugs.
We offer a friendly, casual, collaborative working environment that is mission-driven and results-oriented. Our small office is in a great space in Bangalore. Due to the COVID situation, we are committed to having a fully remote engagement.
Skills and Requirements
We are looking at your experience not just in terms of the years you’ve clocked but the aptitude to get things done. Here’s the skills that your job would entail, so please make sure you highlight the following in any capacity you have demonstrated - professional, freelance or hobbyist.
- Good to have an overall 3+ years of software development experience.
- Strong proficiency in modern JavaScript.
- Expertise with modern JS libraries/frameworks at least one of these JS frameworks - React.JS, Vue, AngularJS, NextJS
- Experience with testing frameworks, practices and processes.
- Demonstrated skills in developing, releasing, and maintaining high quality web applications.
- Solid experience on REST APIs, JSON, Test Driven Development (TDD) and standards.
- Good communication skills and ability to work independently or in a team.
- GraphQL experience is an added bonus
Job Perks
- Small team with an opportunity to have a steep learning curve.
- Have a meaningful impact on end customers and sellers on their experience with digital tools.
- Work on redefining the e-commerce experience by building cooperatives for the micro-services era. This makes Peppo a perfect home for those looking to pursue compassionate capitalism.
- Train under a diverse and accomplished set of team leads, mentors and investors who have worked in government and big tech.
- Holistic development guaranteed as you will grow in an environment that prizes lateral thinking allowing you to supplement your core responsibilities with additional functions.
- Competitive compensation and flexibility to work from anywhere since Peppo uses the best of productivity tools.
Our Preferred Resume Format
- Polished resume with list of projects clearly listed (with responsibilities you held)
- Links to interesting projects that you worked on (professional, freelance or hobbyist)
- Blogs written and any other public contributions you made
Our Interview Process
- Resume evaluation: We will screen all incoming CVs and invite candidates for next round, fitting our job profile description.
- Case study: If you are one of the shortlisted candidates, you will be sent a case study to solve.
- Phone screening: we will follow up with a phone screening round for better understanding of the CV, technical proficiency, experience etc.
- F2F Round(s): The next round is a direct face-to-face discussion over a video call.
Peppo is an equal opportunity employer. We're excited to work with talented and empathetic people no matter their race, caste, color, gender, sexual orientation, religion, national origin, physical disability, mental well-being, or age. Our code of conduct reflects the kind of company we strive to be, and we celebrate our diversity for that truly makes us create products that cater to the world.
Here’s a few resources for you to understand Peppo landscape:
The simplest way to think of Peppo is that it is a backend for restaurants that takes them online, not on just one channel but on all of them. App publishers that integrate with Peppo, will see every restaurant that uses Peppo and can enable food ordering through their own front-end. On the fulfilment side, Peppo allows restaurants to plug into an aggregated delivery fleet on which it helps restaurants choose between various providers to optimise between delivery costs and performance. Read more about:
- The Peppo Mission - Our Website - https://www.peppo.co.in/







