Indra Santosa, Software Developer in Singapore, Singapore
Indra Santosa

Software Developer in Singapore, Singapore

Member since November 16, 2015
Indra is a full-stack developer with eight years of experience as an individual contributor and three years as a technical leader. He focuses on JavaScript technologies, including React, React Native, Node.js, and is proficient with back end and database technologies. He has worked with banks and the government, helping them solve complex problems, realize improved workflow, optimize services, and deliver reliable products.
Indra is now available for hire


  • Care Health
    Amazon Web Services (AWS), Node.js, NoSQL, MySQL, Elastic, React, Express.js...
  • HOOQ
    Search Engine Optimization (SEO), Performance, Redis, Redux, React, Node.js...
  • True Stats Lab
    Elasticsearch, Express.js, PostgreSQL, Angular, React Native, Redux, React...



Singapore, Singapore



Preferred Environment

Amazon Web Services (AWS), NoSQL, Continuous Delivery (CD), Continuous Integration (CI), Redis, RDBMS, Docker, AWS, Node.js, React Native, Redux, React, TypeScript, JavaScript

The most amazing...

...product I've created was an Uber-like tuition platform for teachers, students, and parents.


  • Tech Lead

    2020 - PRESENT
    Care Health
    • Transformed the organization from a traditional company into a technology company and implemented various tools for the team enabling collaboration, resulting in the organization being able to smoothly transform from zero to 20+ engineers.
    • Initiated, ideated, and executed the modernization of the platform. Architected the roadmap of the application enabling the team to move from a monolithic app into a micro-service application while serving live customers with no down time.
    • Trained, mentored, reviewed team members', guiding them to improved work capabilities.
    Technologies: Amazon Web Services (AWS), Node.js, NoSQL, MySQL, Elastic, React, Express.js, Twilio, SMS, Videos
  • Web Tech Lead

    2018 - PRESENT
    • Observed, and optimized the performance of the main HOOQ website, reducing load time and payloads by half.
    • Conceptualized, planned, and implemented an A/B testing framework with Google integrated with React to optimize our modern web application.
    • Planned and executed SEO implementation for the website, which increased the organic traffic by 30x over the span of one year.
    Technologies: Search Engine Optimization (SEO), Performance, Redis, Redux, React, Node.js, JavaScript
  • Front-end Lead

    2016 - 2018
    True Stats Lab
    • Developed, planned, and maintained Truuue apps and websites.
    • Performed hands-on coding on a Truuue JTC project (the largest government-owned industrial property company in Singapore).
    • Developed an automated mailing list subscription system for marketing.
    Technologies: Elasticsearch, Express.js, PostgreSQL, Angular, React Native, Redux, React, JavaScript
  • Core Banking Application Developer

    2015 - 2016
    UOB Bank
    • Maintained the core banking system which includes, deposit, loans, and collateral.
    • Assisted the business analyst in SIT as well and UAT testing.
    • Performed hands-on development for new programs with RPGLE and CLLE.
    Technologies: iSeries, CLLE, RPGLE, AS400
  • Full-stack Developer

    2014 - 2015
    • Created MVC projects to be presented to the board as prototypes.
    • Assisted in the creation of websites. Converted PSD mock-ups into a fully functioning website.
    • Created a library that assists text editing on the web similar to the text editor for
    Technologies: Elasticsearch, PostgreSQL, Node.js, JavaScript
  • Full-stack Developer

    2014 - 2014
    Classwright, Pte. Ltd.
    • Created an Uber-like tuition platform from the grounds up, implementing technologies such as JavaScript, MongoDB, and AngularJS.
    • Developed prototypes and MVCs for the company to spin off other services to be offered to tuition providers.
    • Collaborated with the CEO and CTO to address business and technical challenges, managing feasibility, and project timeline.
    Technologies: AngularJS, MongoDB, JavaScript
  • System Analyts

    2012 - 2013
    OCBC Bank
    • Developed a conversion program in cooperation with the conversion team.
    • Gathered requirements from the bank and helped them decide on the best solution for their business problem.
    • Overviewed system migration projects that were a year-long and resulted in success with no issues.
    Technologies: CLLE, RPGLE, iSeries, AS400
  • Service Support Engineer (Loan and CIF Team)

    2011 - 2012
    PT Structured Services - Silverlake Group
    • Maintained loans and a CIF application. Gathered requirements from the bank and advised on best solutions.
    • Performed hands-on coding of the program and application specified by the bank.
    • Provided technical support for encountered production issues.
    Technologies: CLLE, RPGLE, iSeries, AS400


  • Uber Experience for Teachers and Students

    I created an Uber-like tuition platform for teachers, students, and parents. I developed both the front end and back end. The technologies used in this project include Node.js, AngularJS, MongoDB, and integration with the Google Maps API.


  • Languages

    JavaScript, TypeScript, RPGLE, CLLE
  • Frameworks

    Redux, React Native, Angular, Express.js, AngularJS
  • Libraries/APIs

    React, Node.js, Twilio API
  • Other

    Front-end, Full-stack, Web App Development, AWS, Performance, AS400, iSeries, Google SEO, SMS, Videos
  • Storage

    RDBMS, Redis, PostgreSQL, Elasticsearch, MongoDB, NoSQL, MySQL
  • Tools

    Webpack 4, Elastic
  • Paradigms

    Continuous Integration (CI), Continuous Delivery (CD), Search Engine Optimization (SEO)
  • Platforms

    Docker, Amazon Web Services (AWS), Twilio

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