Web 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.

Core responsibilities

•      Collaborate with product teams to more accurately define new features

•      Collaborate with UX in the building of a design system/component library

•      Ensure high performance of all systems developed

•      Aware of the relationship between development and business with a strong sense of ownership

•      Employ the latest techniques such as agile software development

•      Good knowledge of highly scalable server-side development

•      Basic working knowledge of Unix/Linux

•      Excellent problem solving and coding skills in Javascript/Angular

•      Strong interpersonal, communication and analytical skills

•      Should have the ability to express their design ideas and thoughts

Job Brief

•      JavaScript and angular expertise

•      Experience with libraries such as bootstrap, Ag-grid, formly, observables, and ngrx

•      You enjoy working with new technologies, and are curious and energetic

•      Experience working with REST APIs

•       Good understanding about authentication and security

•      Create and maintain various unit and integration tests

•      You enjoy working in a creative and agile environment that moves fast

•      Ability and interest in providing mentorship to junior members of the team

•      Write high quality code and Conduct code reviews

•      Being resourceful and detail-oriented, along with being an outside the box thinker!

•      Experience being a great team player, who work collaborative, and brings a positive attitude

Role Overview: As an Angular Developer (SDE 1), you will be responsible for developing and

maintaining high-performance, scalable web applications using Angular. You will work closely with

product managers, designers, and backend developers to create seamless and efficient user

experiences.

Key Responsibilities:

• Application Development: Design, develop, and maintain robust web applications using

Angular.

• UI/UX Implementation: Work with designers to implement responsive and user-friendly

interfaces.

• Code Quality: Write clean, maintainable code and conduct code reviews to ensure high

quality standards.

• Bug Fixing: Identify and resolve bugs and performance issues in a timely manner. •

Collaboration: Collaborate with cross-functional teams including backend developers,

designers, and product managers to deliver high-quality solutions.

• Testing: Develop and execute unit tests and integration tests to ensure application reliability. •

Documentation: Create and maintain technical documentation for code and processes.

Requirements:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or

equivalent practical experience.

• Experience: 1-2 years of professional experience in developing web applications with

Angular.

• Technical Skills:

o Proficiency in Angular (version 2+), TypeScript, HTML, and CSS.

o Experience with RESTful APIs and integrating with backend services.

o Familiarity with version control systems (e.g., Git).

o Understanding of responsive design principles and cross-browser compatibility.

• Soft Skills:

o Strong problem-solving skills and attention to detail.

o Ability to work collaboratively in a team environment.

o Good communication skills and the ability to articulate technical concepts to non

technical stakeholders.

Nice-to-Have:

• Experience with state management libraries such as NgRx or RXJS.

• Knowledge of modern front-end build tools and workflows (e.g., Webpack, npm). •

Familiarity with Agile methodologies and practices.

• 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.

• eact.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.

About RARA NOW

Not just a delivery company

RARA NOW is revolutionizing instant delivery for e-commerce in Indonesia through data-driven logistics.

RARA NOW is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RARA makes it possible for anyone, anywhere to get same-day delivery in Indonesia. While others are focusing on - one-to-one- deliveries, the company has developed proprietary, real-time batching tech to do - many-to-many- deliveries within a few hours. RARA is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan, and many more.

We are a distributed team with the company headquartered in Singapore, core operations in Indonesia, and a technology team based out of India.

Future of eCommerce Logistics:

Data-driven logistics company that is bringing in same-day delivery revolution in Indonesia

Revolutionising delivery as an experience

Empowering D2C Sellers with logistics as the core technology

About the Role:

3+ years of experience in frontend technologies and progressive web applications development

Expert in using of design patterns, data structures and algorithms

Should have sound understanding of design architecture and principles, coding frameworks like react.js, angular.js, vue.js, node.js, next, js, express.js etc.

Experience with popular JS libraries like Ember, Babel, Typescript, Webpack, Socket etc.

Solid understanding of object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises

Strong proficiency in JavaScript, AJAX, HTML5 CSS3 JSON, including DOM manipulation and the JavaScript object model

Translating designs and wireframes into high-quality code

Knowledge of Redux, React.js and its core principles

Good experience on Web Service Integration ( REST, JSON, XML), Cloud technologies - AWS, FCM

Proficient with debugging and testing tools to troubleshoot and optimize the UI

Exposure to scm tools like git, CI/CD of android systems, code coverage tools like SonarQube, etc.

Good to know hybrid platforms like Cordova, Ionic, React Native, Flutter, etc

Bachelor degree in Computer Science or related discipline preferred

Requirements:

• Developing and implementing user interface components using React.js concepts and workflows.
• Developing user interface components and implementing them with a well-known React.js workflow.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code
• In-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications.
• 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 the applications 

SaaS-Nest is a product-based company headquartered in Jaipur, Rajasthan. We have started our journey in February 2022 with a vision to transform HealthCare by technology. We are closely associated with Synergy Health 360, a US based healthcare organization. We have a team of experienced medical professionals to provide insights and innovation ideas which in turn is implemented by a perfect blend of young and qualified IT professionals.  

About Team & Product/Project Details 

We are building a health and wellness technology platform to cater the needs of US Healthcare market. Our product is aimed to provide anywhere/anytime access to Primary Care Physician and telehealth platform to patients and simultaneously provide better management options to providers for in-person and telemedicine appointments. The product will be EMR agnostic, scalable and provide licensed access to an integrated network of specialty services and predictive modeling technology. 

 
SaaS-Nest Technologies Pvt. Ltd. is seeking an entry level Frontend Software Engineer to work as a key team member developing web-based solutions. The ideal candidate will possess a solid knowledge of frontend development.  

What you will be doing 

 
The Software Engineer will be working as part of an agile team with other passionate, driven, and talented people, creating healthcare solutions. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using SaaS-Nest as well as industry best practices to deliver high value and quality to users. 

What you bring (Experience Level & Mandatory Skills in potential candidate) 

• Candidate should have strong fundamentals in modern frontend frameworks (Angular, React or others).
• Hands on experience in JavaScript, TypeScript, modern frontend frameworks.
• Good communication & presentation skills.

 
Desired Skills, Qualifications and Technical Requirements 

• Graduate in Computer Science and/or Engineering.
• Hands-on knowledge of HTML5, CSS3, JavaScript, TypeScript, NPM
• Knowledge/Experience of modern web frameworks.
• Good knowledge of Object-Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015
• Good understanding of creational and structural design patterns in JavaScript
• Knowledge/Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of the Web Components standard.
• Understanding of SEO and accessibility and making it part of the development workflow.

Bonus if you have 

• Healthcare Industry experience
• Familiarity of working with TDD in JS with the help of frameworks like Jasmine, Mocha, Karma etc is a plus

Human Resources 

SaaS-Nest Technologies Pvt. Ltd. 

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.

About Hop:

We are a London, UK based FinTech startup with a subsidiary in India. Hop is working towards building the next generation digital banking platform for seamless and economical currency exchange, with technology at the crux of it. In a technology driven era, many financial services platforms still lack the customer experience and are cumbersome to use. Hop aims at building a ‘state of the art’ tech-centric, customer focused solution.

moneyHOP is India’s first cross-border neo-bank providing millennials the ability to ‘Send’ & ‘Spend’ conveniently and economically across the globe using HOPRemit (An online remittance portal) and HOP app + Card (A multi-currency bank account).

This position is a crucially important position in the firm and the person hired will have the liberty to drive the product and provide direction in line with business needs.

About Individual

Looking for an enthusiastic individual who is passionate about technology and has worked with either a start-up or a blue-chip firm in the past.

The candidate needs to be a multi-tasker, highly self-motivated, self-starter and have the ability to work in a high stress environment. He/she should be tech savvy and willing to embrace new technology comfortably.

Ideally, the candidate should have experience working with the technology stack in the scalable and high growth mobile application software.

General Skills

• 3-4 years of experience in Frontend development.
• Bachelor's degree in Computer Science, Information Science, or equivalent practical experience.
• Exposure to Behaviour Driven Development and experience in programming and testing.
• Excellent verbal and written communication skills.
• Good time management and organizational skills.
• Dependability
• Accountability and Ownership
• Right attitude and growth mindset
• Trust-worthiness
• Ability to embrace new technologies
• Ability to get work done
• Has good code reviewing skills for conformance.
• Has good software testing skills and good code writing skills.

Technical Skills

• Relevant work experience as a UI Developer. Proficient in JavaScript , ReactJS and/or Reactive Native, Angular , JQuery Experience with HTML, CSS, Knowledge of web services and related technologies (REST) Experience with Web Services and API integration
• Candidate should have a stronghold on HTML & CSS
• Can understand and troubleshoot REST APIs calls
• Database administration and management of a hosting environment such as AWS.
• Knowledge of SASS & LESS will be a plus as well
• Sound understanding of relational and non-relational DB systems such as MySQL, Postgres, MongoDB etc.
• Has experience dealing with JIRA (issue tracking tools), Confluence (knowledge management) tools.
• Experience with building and maintaining microservices.
• Experience with building and integrating the core system with external APIS.
• Good to have: Domain knowledge in the BFSI tech stack.

Day-to-Day Responsibilities 

1. Use JavaScript and cutting-edge JS frameworks to develop front end applications that follow industry-standard design patterns, development methodologies, and deployment models
2. Solve and articulate complex problems through application design, product development, and user experiences. 
3. Develop software used by people who are not software developers--ensure the exceptional software you create influences them to be exceptional professionals in their respective fields
4. Collaborate with other programmers and mentor junior engineers through the development process
5. Leverage the knowledge of your peers to better understand business trends, customer communities, and technology adoption patterns
6. Evolve your language skills in JavaScript by staying current with complementary programming languages, development methodologies, user interface design techniques, and database tools.