Senior Software Engineer (Python

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.

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.

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

At FINPRO, we believe there is a better way to do most of the professional routines and reduce the burden on end-users. A more valuable, automated way, where customers can do their tasks with ease. We build intelligent solutions to help customers in the financial and marketing industry.

Job description:

We are looking for Angular developers to work on product delivery. Responsibilities will include implementing features in the front end using angular. You will work with other front developers to design and implement the web applications.

Tasks:

· Support and improve existing applications and their codebases

· Participate in the implementation and delivery of features

· Building reusable code and libraries for future use, following code style convention

· Ensure the technical feasibility of UI/UX designs

· Optimize application for maximum speed and scalability

· Assure that all user input is validated before submitting it to the back-end

· Collaborate with other team members and stakeholders

· Constantly propose new ideas to enhance the global UX

· Understanding of related front-end technologies for this SPA - React, Redux, GraphQL

Skill set:

· Minimum 4 years of experience with working in angular V2, and ideally experience with Angular 6

· Proficient knowledge of web markup, including HTML5, CSS3

· Perfect understanding of server-side CSS pre-processing platforms, such as SASS

· Perfect understanding of asynchronous request handling, partial page updates, and AJAX

· Proficient understanding of cross-browser compatibility issues and ways to work around them

· Proficient understanding of code versioning tools, such as Git / Gitlab

· Good understanding of SEO principles and ensuring that application will adhere to them

· Ability to work directly with Backend Developers to implement APIs and Software Logic to Angular Framework

· Experience working with python.

· Experience in working with AWS in a CI/CD environment

Experience :  Minimum 1 year to 2 years experience required.

Education: Any Engineering Graduate

Work Location:  Anywhere in India (Remote Work)

Job Requirements:

• 1+ years of professional experience in Information Technology field as Front End Developer
• Strong experience in HTML, CSS, Java Script, JQuery and Bootstrap
• Knowledge of formal methods and techniques in software development
• Experience / Knowledge in the following technologies/languages/libraries/frameworks:
• Exposure server side programming using Python / PHP / Java / C#
• Experience with Version Control Software (GIT)
• Ability to work independently and direct a team of any size (small to medium or large)
• Excellent written and oral communication skills

If the above assignment and work practice are exciting you, then apply.  We will invite video call meeting for shortlisted candidates after assessment.

• In-depth knowledge in Core Python with Django building end to endapplications development.
• Experience in Web technologies-HTML, CSS, Javascript.

• Database - SQL Server/Postgres/ NoSQL database.
  
  
• Good understanding of Algorithms, data structures.
• Knowledge in ORM (Object Relational Mapper) libraries.
  
  
• Experience in integrating multiple data sources and databases into onesystem.
  
  
• Knowledge in REST / SOAP API
• Knowledge in version control tools like Git
• Experience with various cloud technologies.