Frontend Developer

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.

Responsibilities include:

• You will design and build web applications
• Collaborate with cross-functional teams to define, design, and ship new features
• Do Unit-test code for robustness, including edge cases, usability, and general reliability
• Participate in all phases of development, from design to implementation, unit testing, and release.
• In close collaboration with project teams, you will have the chance to redefine the development process for modern web-based applications.
• You will work highly customer-focused and be given the time to learn and experiment with the latest frontend technologies

ESSENTIAL SKILLS / EXPERIENCE REQUIRED:

• Bachelor's degree in Computer Science or equivalent
• 3 - 8 years of experience
• Experience in HTML, JavaScript, CSS, and JavaScript frameworks.
• Experience with the latest frontend technologies (e.g. ECMAScript, Webpack, ESLint, Service workers, etc.)
• In-depth knowledge of at least one JavaScript framework (e.g. React, Vue, Angular, etc.)
• Experience or Knowledge of web application optimizations.

About Our Client

Our client is a Currency Exchange in India. Built with user experience and security in mind, Our Client provides instant fiat to crypto conversions with zero fees, so that users can have access to a diverse suite of financial products and services that are backed by industry-leading security processes and insurance protection. Our Client aims to be the global gateway to cryptocurrencies. Its proprietary liquidity aggregation model provides its users with access to liquidity from leading global crypto exchanges. Our Client is recognized and awarded for its contribution to the Indian emerging tech space.

Why Our Client?

Cryptocurrency Traders are looking for a strong global platform that can help them trade faster, better and smarter. We are building a platform that can solve their needs. The opportunity is big, and the journey is tough. Now that’s a challenge that needs to be addressed. You do that. You are phenomenal in solving these complex challenges. You help our team do more.


As a Front End Developer - Angular, you do all of the above and more. You make a difference.

What will I do?

• Delivering a complete front end application
  • Ensuring high performance on mobile and desktop
  • Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
  • Coordinating the workflow between the graphic designer, the HTML coder, and yourself
  • Cooperating with the back-end developer in the process of building the RESTful API
  • Communicating with external web services
  • Ensure high-quality graphic standards and brand consistency
  • Stay up-to-date on emerging technologies
  • Write functional requirement documents and guides

What skills should I have?

- Must have 2+ years of experience in frontend development with an internet startup.
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

Having found exceptional product/market fit, we’re in the midst of transitioning from 'start-up' to ‘scale-up’, and looking for frontend engineers in React to help us scale Plum.

You will have a direct impact on the customer experience through the design and implementation of new features and functionalities in our product. You'll work as part of a small but rapidly growing high-energy team delivering incredible, creative improvements to our product. You'll be in charge of reviewing the implementation of applications following code standards and style guides.

• Push things over the line, ship awesome features, and delight customers
• Spec, build, test, and deliver new features while improving the performance and quality of the product.
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code Solve complex CSS, HTML, and User Interface compatibility issues across browsers.
• Implement front-end development workflows: build systems, dependency management, quality checkers (linting), etc.

• 5+ years of hands-on experience building web applications with React or similar framework.
• Understanding of chakra is a plus, not mandatory. 
• Comfortable with Responsive Web Development and with a strong product design sensibilities and has an obsessive attention to detail.
• Write testable, maintainable code that's easy to understand.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.
• Having experience with building and maintaining an open source project or design library is a plus.

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.

Peacock Engineering Ltd is a Gold-accredited IBM Premier Business Partner which has amassed over 300 person years of experience implementing business critical EAM (Enterprise Asset Management) solutions across a range of industries such as oil & gas, pharmaceuticals, utilities, facilities management, transport, and power generation. 

Peacock Engineering Ltd specialise in providing consultancy services and support for the IBM Maximo EAM software product and maintain a pool of highly experienced and capable consultants fully conversant with IBM Maximo and its functionality, capabilities, and opportunities for customisation to meet business need. 

Peacock Engineering’s Technical Services team is now looking for an experienced UI / Front End Developer who is proficient with React.js (16.8+) to join our international team of developers delivering innovative solutions to our major UK-based customers.

Your primary focus will be working on new user interface components which are modern, secure, performant, and easy to maintain - following well-known React.js workflows and recognised best practices.

You will coordinate with the rest of our multi-disciplined team working together on different layers of the solution architecture.  A commitment to collaborative problem solving, sophisticated design, and delivering a high-quality product is essential.

• Developing new user-facing features for our clients using React.js
• Translating functional requirements (User Stories/Tasks) and wireframes into high quality code with tests
• Working with architects, developers, and QA engineers to ensure that your work is testable, meets industry security standards and is written to deliver good performance/scalability.
• Perform application and solution development to meet project requirements.
• Develop and document detailed technical designs to meet business requirements.
• Manage multiple technical environments and support the development and testing processes.
• Identify areas of customization and optimization and provide solutions that meet the business requirements.

Experience working with the IBM Maximo software product within the following capacities:

• Tech. in Computer Science, Engineering or Business-related field and/or equivalent work experience.
• Thorough understanding of React.js and its core principles
• Minimum five (5) years of work experience in React application development.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Demonstrable expertise in software development in an Agile setting
• Ability to deliver well-tested code consistently in an Agile, CI/CD environment
• Experience with JavaScript Testing frameworks and principles (Jest preferable)
• Familiarity with newer specifications of ECMAScript
• Familiarity with RESTful APIs
• Knowledge of modern authentication/authorization mechanisms
• Familiarity with modern build pipelines and tools (Azure DevOps preferable)
• Experience with common front-end development tools such as Babel, Webpack/Parcel, NPM/Yarn, etc.
• Familiarity with Git
• Good time-management skills
• Great interpersonal and communication skills
• Good spoken & written English
•  

• To bring industry knowledge world class capabilities innovation and cutting-edge technology to our clients in the Resources industry to deliver business value.
• To work with leading Resources client’s major customers and suppliers to develop and execute projects and reliability strategies.
• To harness extensive knowledge combined with an integrated suite of methods people and assets to deliver sustainable long-term solution.
• IBM MobileFirst certification
• JAVA/ SQL Skills
•  

• Professional and committed, with a disciplined approach to work.
• Motivated and driven by finding and providing solutions to problems.
• Polite, tactful, helpful, empathic nature, able to deliver to the needs of customers.
• Has respect for others and their views.
• Technology minded and focused, enthusiastic about technologies.
• Analytical, able to raise from the detail and see the bigger picture.
• Dedicated to continually updating and upgrading own knowledge.
• Carries a mind-set of continuous improvement, constantly looking for better and more efficient ways of doing things.
• Values quality at the centre of all things in work.

Due to considerable amounts of virtual working and interaction with colleagues and customers in different physical locations internationally, it is essential that the successful applicant has the drive and ethic to succeed working in small teams physically but in larger efforts virtually.  Self-drive to communicate constantly using web collaboration and video conferencing is essential.

As an employee, you will be encouraged to continually develop your capability & attain certifications to reflect your growth as an individual.

Job Description:

Translating system requirements into the design and development of systems.
Transform vital business needs into code and drive innovation.
Collaborating and integrating code into enterprise systems.
Creative problem-solving skills.
Attitude to achieve the goals with complete ownership and hard work.

Technical Skills:

Must Have:

• 2+ Years of experience in UI/Front-end development of rich interactive web-based applications or modules.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience working as a React.js Developer. Thorough understanding of React.js and its core principles.
• In-depth knowledge of JavaScript, CSS, HTML, HTML 5, JSON, XML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme.
• Knowledge of MVC Pattern and Architecture. Experience with popular React.js workflows (such as Flux or Redux)
• Experience with user interface design.
• Experience with web debugging and performance testing software.
• Experience in all testing phases of development including Unit & Integration Testing.
• Excellent troubleshooting skills.
• Team player
• Excellent time-management skills

Beneficial:

• Working experience with Core Java.
• Knowledge of Jquery , Nodejs, Bootstrap, Struts, Spring, Hibernate, JSP, JSF, Angular, Vue,js Framework.
• Working with Databases (MSSQL, Oracle, Postgres)
• Working experience on source code version control systems (SVN, GIT)
• Working experience on Issue Tracking tool e.g. Jira, Bugzilla
• Working experience on Code Analysis tools e.g. Sonar Qube, Checkmarx.
• Experience in Restful Web Services integration.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Independent worker
• Great interpersonal and communication skills

Responsibilities

• Participate as a team member in all phases of software development lifecycle.
• Co-ordinating with the team on individual responsibilities and roadblocks.
• Perform design, development and testing on individual tasks
• Managing initiatives on UI/UX work
• Transparently share the challenges & feedbacks.
• Participate in integrated testing of product/ package.
• Designing a modern highly responsive web-based enterprise application component user interface.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Learn and understand user interactions.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Coordinating with various teams working on distinct layers.
• Providing technical assistance to the other teammates.
• Keep compliance with Quality Systems and Procedures.

The Job: ReactJs Developer

The Company: Unify Technologies (http://www.unifytech.com/">www.unifytech.com)

What we are looking for: We are interested to hire “ReactJS” candidates who good at coding/programming.

Experience: 2-9 Years

Domain: It’s a product based project

Work Location: Hyderabad

Employment Mode: Permanent

Notice Period: 0-30 Days (Mandatory), Strictly we are looking who can join us as soon as possible who can make it within 30 days atleast.

Interview Available Date and Mode: 20^th July 2019, F2F