Indra Kurniawan, Developer in Melbourne, Victoria, Australia
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Indra Kurniawan

Verified Expert  in Engineering

Software Developer

Melbourne, Victoria, Australia
Toptal Member Since
September 30, 2021

Indra is a senior software developer with 12 years of commercial development experience. He is fully conversant with the software development lifecycle and test-driven development techniques while excelling in several programming languages and technologies, including Go, PHP, C#, .Net WPF, ASP.NET MVC, JavaScript, and Python. Indra's key strength is deconstructing complex problems into manageable components while helping teams achieve project outcomes in an agile development environment.


Data Processors
PHP 7, JavaScript, jQuery UI, jQuery, Go, Jenkins, Docker, Rancher, Python 3...
Pathobin Pty Ltd
Python, Java, C++, Amazon Web Services (AWS), Algorithms, OpenCV, Django...
SimpleHash, Inc
Python, Blockchain, Solana, Smart Contracts, Ethereum, Solidity




Preferred Environment

Windows, Linux, Docker, Go, Python 3, Jenkins, PHP 7, C#.NET, Git, Jira

The most amazing...

...thing I've developed is a web platform for pathologists to share their microscope slide images using the Django framework.

Work Experience

Software Developer | Team Leader

2013 - PRESENT
Data Processors
  • Collected and cleaned the data for clients based on their requirements and specifications.
  • Implemented an in-house CI system to build, test, and deploy services more efficiently.
  • Realized an in-house framework library for collecting and processing data.
Technologies: PHP 7, JavaScript, jQuery UI, jQuery, Go, Jenkins, Docker, Rancher, Python 3, Windows, Linux, API Integration, Trading, Python, Test-driven Development (TDD), CSV File Processing, Automation, ETL, Full-stack, Vue, REST APIs, Technical Leadership, Third-party APIs, SQL, JSON, XML, Back-end, Back-end Development, WebSockets, CAPTCHA, Data Scraping, Website Data Scraping


2012 - PRESENT
Pathobin Pty Ltd
  • Implemented a web platform for pathologists to share their slide images with other doctors or use it as a teaching tool.
  • Developed and implemented the Pathobin 3D system used for scanning and generating specimens into a 3D model.
  • Researched and developed stitching software for stitching microscope images.
Technologies: Python, Java, C++, Amazon Web Services (AWS), Algorithms, OpenCV, Django, Google Cloud Platform (GCP), CSS, WebGL, Full-stack, Embedded Systems, REST APIs, Image Processing

Python/Blockchain Developer

2024 - 2024
SimpleHash, Inc
  • Implemented simple UI/UX to help with their testing procedure.
  • Custom-modified a few open source libraries to help with their production system.
  • Conducted and helped with their API testing procedure.
Technologies: Python, Blockchain, Solana, Smart Contracts, Ethereum, Solidity

Go Developer

2023 - 2024
E9 Controls LTD
  • Reviewed their source code and provided recommendations to improve the code structuring.
  • Provided a detailed architecture to improve their current source code for future expansion.
  • Refactored the codebase on the agreed design architecture.
Technologies: Go, C++, C, Python

Go Developer

2021 - 2023
Velantic Limited
  • Optimized and reorganized the back-end system of a Solana marketplace website by generalizing all back-end code to Go, using Google Cloud Platform and microservices architecture. This resulted in a significant improvement in system performance.
  • Helped improve the front-end React code to work over 10 times faster by investigating and removing bottlenecks in the code.
  • Led other developers and provided guidance to improve the front-end React code and back-end system. Set clear goals and expectations and helped with reviewing their code.
Technologies: Go, Blockchain, CSS, Front-end, ETL, Redshift, Amazon Elastic Container Service (Amazon ECS), Full-stack, REST APIs, Node.js, Software Architecture, PostgreSQL, Back-end, Back-end Development

Senior Software Developer

2013 - 2013
  • Designed and developed a matchmaking service in Badumna Cloud, a hosted networking service for online games.
  • Developed demonstrations in Badumna Cloud using Unity3D and the testing approach under Badumna Cloud.
  • Conducted stress and integration testing using the AWS EC2 instances.
Technologies: C#.NET, Unity3D, ASP.NET, Amazon EC2

Software Developer

2009 - 2013
  • Designed and developed the Badumna Network's control center.
  • Created a cross compiler for translating .NET C# code to ActionScript.
  • Conducted periodic tests to measure the performance of Badumna in different network scenarios.
Technologies: C#.NET, Unity3D, Python, Amazon EC2

Pathobin is a web platform that enables pathologists to share their slide images with other doctors, present interesting cases, and use it as a university teaching tool. It is known as the Instagram for a pathologist.

I developed the platform using the Django framework and a few custom plugins to fulfill the client's requirements.
2005 - 2009

Bachelor's Degree in Mechatronic and Computer Science

University of Melbourne - Melbourne, Victoria, Australia


Agile Project Management

Charles Sturt University | via IT Masters


Engineering Long-lasting SaaS



Programming a Robotic Car

Stanford University | via Udacity


Introduction to Artificial Intelligence

Stanford University | via Udacity


Machine Learning

Stanford University | via Coursera


Cryptography I

Stanford University | via Coursera


REST APIs, Node.js, jQuery UI, jQuery, OpenCV, Chrome API, React, WebGL, Vue


Git, Jira, Amazon EKS, Jenkins, MATLAB, SOLIDWORKS, RabbitMQ, Amazon Elastic Container Service (Amazon ECS)


Go, Python, Python 3, PHP 7, HTML, PHP, SQL, XML, C#.NET, C, Java, Bash Script, JavaScript, C++, CSS, Solidity


Django, .NET, Unity3D, ASP.NET


Windows, Google Cloud Platform (GCP), Linux, Docker, Rancher, Amazon EC2, Amazon Web Services (AWS), Blockchain, Firebase, Ethereum


MySQL, PostgreSQL, JSON, Redshift


Test-driven Development (TDD), Automation, ETL, Software Testing, Agile


Web Scraping, Back-end, Back-end Development, Data Scraping, Website Data Scraping, APIs, API Integration, Trading, Architecture, CSV File Processing, Full-stack, Embedded Systems, Technical Leadership, Software Architecture, Third-party APIs, WebSockets, CAPTCHA, Software Development Lifecycle (SDLC), Control Systems, Algorithms, Cryptography, Machine Learning, Artificial Neural Networks (ANN), Artificial Intelligence (AI), SaaS, Front-end, Internet of Things (IoT), Image Processing, Solana, Smart Contracts, Ethereum Smart Contracts

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