AI – R&D Engineer

Core Responsibilities

Front-end Development:

o Develop web applications using React, flask. o Implement responsive design to ensure user-friendly interfaces.

o Utilize mapping libraries (e.g., Leaflet, Mapbox) to display geospatial data.

Back-end Integration:

o Work with APIs and manage data flow for project analytics and management.

o Enhance features for robust data handling and real-time project analysis.

Cloud Deployment:

o Deploy and manage web applications on AWS and similar platforms. o Optimize for performance, scalability, and storage efficiency.

GIS and Mapping Tools:

o Develop tools using GIS data like KML and Shapefiles. 

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.

Position Overview:

We are seeking a skilled Software Developer with a focus on Front-End Development with Strong proficiency in HTML, JavaScript, CSS, Sass, Bootstrap and modern JavaScript frameworks including ReactJS and jQuery to join our team. The successful candidate will be responsible for writing clean, efficient, and maintainable code that enhances workflow organization and automates various internal processes within the organization. The role involves continuous improvement of our software solutions to save man-hours and ensure overall organizational efficiency. Key tasks include development, testing, debugging, troubleshooting, and maintenance of both new and existing programs.

Key responsibilities:

1)    Software Development: Write clean, efficient, and maintainable code/flows that automate internal processes and improve workflow efficiency.

2)    Testing and Maintenance: Perform testing, debugging, troubleshooting, and daily maintenance of created or integrated programs.

3)    UI/UX Development and Design: Design and develop intuitive and visually appealing user interfaces in the software.

4)    Web Services Integration: Integrate UI with web services to ensure seamless functionality.

5)    Adherence to Standards: Follow preferred development methodologies and adhere to organizational development standards.

6)    Collaboration: To work closely with other team members to ensure the successful implementation of projects. Maintain clear and concise documentation of code, APIs, and software components to aid in knowledge sharing and future development.

7)    Stay Current: Keep up to date with the latest developments in the Frond end development ecosystem and engage in best practices of software engineering.

There are various job roles within software development, each with its own focus and responsibilities. Some common job roles include:

1. **Software Engineer/Developer**: This role involves designing, developing, and testing software applications or systems.

2. **Front-end Developer**: Front-end developers focus on creating the user interface and experience of websites or applications using languages like HTML, CSS, and JavaScript.

3. **Back-end Developer**: Back-end developers work on the server-side of applications, managing databases, servers, and application logic using languages like Python, Java, or Node.js.

4. **Full-stack Developer**: Full-stack developers have expertise in both front-end and back-end development, allowing them to work on all aspects of an application.

5. **Mobile App Developer**: Mobile app developers specialize in creating applications for mobile devices, often using platforms like iOS (Swift) or Android (Java/Kotlin).

6. **DevOps Engineer**: DevOps engineers focus on streamlining the development process by automating tasks, managing infrastructure, and ensuring smooth deployment and operation of software.

7. **Quality Assurance (QA) Engineer**: QA engineers are responsible for testing software to ensure it meets quality standards and is free of bugs or errors.

8. **UI/UX Designer**: UI/UX designers work on designing the user interface and experience of software applications, focusing on usability and aesthetics.

Not just a delivery company…

RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.

RaRa Delivery 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 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

A section describing benefits and life at your company is a great way to attract talent.
About the Role

1. Architect, build, and maintain excellent React Native applications with clean code.
2. Implement pixel-perfect UI's that match designs.
3. Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
4. Integrate third-party APIs.
   1. Work as part of a small team to build applications.
5. Write unit and integration tests.
6. Release applications to IOS and Google Play stores.
7. Work with native modules when required.
8. Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and designer.
9. Complete two-week sprints and participate in sprint retrospectives and daily standups.
10. Assist with building estimates.
11. Interface with clients via Slack, Zoom, and email.
12. Track your time throughout the day using Toggle.
13. Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
14. Be part of a community of React Native developers who share knowledge and help each other as problems arise

Is software engineering your passion? Are you always hungry for challenges? Do you like to take risks?  Do you always crave to learn more and more? Do you like to help others solve their problems? Do you like to solve complex problems by simple methods?

• Culture to promote learning and growth by relentless focus on innovation.
• A team of aces to work with
• Streamlined engineering processes woven around Agile methodology with the help of tools
• Design led engineering focus
• Opportunity to work on B2B and B2C products in various domains like healthcare & education

• Opportunity to work on cutting edge technologies 

You have:

• Proficiency in Angular 4+, Typescript, JavaScript, JQuery, HTML/CSS
• Thorough understanding of OOJS & commonly used design principles and design patterns
• Working knowledge of State management using NgRxState management & custom npm packages
• Hands on ES6 features to reduce code and keep code clean
• Working knowledge of RxJS
• Working experience in writing automated unit tests using Jasmine, Mocha or any other similar framework.
• Experience of integrating RESTful Web APIs in Web Application.
• Written efficient and production ready code
• Working experience building high performance and scalable applications
• Ability to troubleshoot and debug application for functional and common problems
• At least 6 years of experience in software development 
• Knowledge of databases - NoSQL or RDBMS. 
• Experience working with version control like Git / Bitbucket
• Experience working in Agile Scrum Methodology
• Excellent written and verbal communication skills 

• Experience working on Web APIs
• Working knowledge of modern programming/scripting languages and runtime environments including node.js, Python/Ruby/Java, and experience in mid-tier web services development.
• Experience building proof of concepts, architecting new systems, and improving existing systems to solve business problems and support scaling
• Exposure to various tools that help in maintaining code quality like SonarQube
• Exposure with Atlassian JIRA application lifecycle management tool
• Exposure to Cloud Platforms like Azure or AWS or GCP

• Collaborate with engineering, design and product teams to build and ship new features.
• Seeing through a project from conception to finished product using Agile methodologies.
• Maintain and improve web applications. Optimize applications for maximum speed
• Design mobile-based features
• Self-contribution & able to manage and execute work through team members.
• Developing features to enhance the user experience.
• Create quality mockups and prototypes
• Translate application storyboards and use cases into functional applications.
• Create proof of concepts to demonstrate feasibility of proposed solution
• Continuously discover, evaluate and learn new technologies to stay at the forefront of technology innovation
• Write good quality, modular, reusable, well documented, unit-tested code.

Key Qualifications:

5 + years of experience in Software development in multithreaded Java/Python applications

3+ years of UI/UX stack experience (Angular JS/PHP/Javascript)

Extensive experience in coding and debugging Java applications and deployment

Should have experience/exposure to Apache Tomcat, JBOSS, SOAP, REST, Maven, Spring framework, hibernate, Kafka, Zookeeper, DHCP, DNS, SNMP

Extensive experience with MySQL and various NoSQL Databases like MongoDB, Elasticsearch

Modelling languages like Netconf, Restconf, Yang,Tosca, Yaml, XML

Skilled in data center, networking, Linux and cloud technologies especially IaaS

Understanding of the ETSI NFV architecture stack

2+ experience with SDN technologies

2+ experience with OpenStack, Kubernetes or other container orchestration platform

Agile programming methodologies

DevOps - CI/ CD experience with Git, Gerritt, Jenkins

Experience contributing to and working with open source communities like ONAP, ONF