Hi! My Name is

Ananda Kevin Refaldo Sariputra

I design and build robust working system in

Backend | Data | Deep Learning | Cloud Computing | Frontend

A Problem Solver to any obstacles coming ahead

About me

Hello! I'm Ananda Kevin Refaldo Sariputra, a software engineer with 4 years of experience in the banking industry, currently specialized in designing and implementing backend systems using Spring Boot, Bash, and Spring Batch. My expertise extends to front-end technologies such as Angular, React, and Bootstrap. I excel in consulting user requirements and am proficient in Machine Learning, especially Deep Learning.

I've contributed to freelance project in Indonesian Solana Cookbook Translation and had the privilege of teaching college students in Cloud Computing, Machine Learning, and Project Management through the prestigious Bangkit Program, sponsored by Google, GoTo, and Traveloka.

My Photo

Experience

IT Specialist @ Bank Central Asia

Mid-Level Full Stack Software Engineer - General Ledger (GL) Team - July 2022 - Present

Junior Full Stack Software Engineer - General Ledger (GL) Team - April 2020 - June 2022

    Technology Used
  • Mainframe (COBOL, JCL, Connect Direct, TSO, DITTO, VSAM and QSAM datasets)
  • Database (PostgreSQL, Oracle PL/SQL, SQLPlus)
  • Backend (Java Spring, Spring Boot)
  • Frontend (Angular, Typescript, JS, JQuery, HTML, CSS)
  • Dependency Tools (Maven, Gradle)
  • Message broker (ActiveMQ)
  • Cloud Service (OCP (Openshift Cloud Platform))
  • Version Control System (Gitlab)
  • Automation (Control-M (Monitoring Only))
    • Technical Contribution & Projects
  • Consult, negotiate, plan, and manage projects
  • Build, deploy, maintain, document, and monitor Features in GL and its dependencies
  • Mentor teammates on technical aspects, projects, and business processes
  • Prepared the necessary checklists and technical infrastructure and leading the team through the execution of GL’s simulation and real End of Year in 2021 - 2023
  • Identified and resolved complex technical issues across multiple programs and platforms, reducing critical errors by 50% and improving user experience by implementing innovative solutions.
  • Developed user management system in GL utilizing OAuth 2.0 in 2022
  • Rewrote 50% of team legacy batch programs previously in Mainframe (COBOL) to SQL
  • Optimized numerous batch programs (e.g. Reducing process time from 45 - 60 to 1 - 5 minutes process, mostly in SQL)
  • Architected and integrated system between GL and other parties via batch interface and APIs, implementing logging and validation system for edge case scenarios
  • Developed dynamic parameter system in 2020 & 2021, revamped it in 2023
  • Wrote comprehensive team encyclopedia covering business process, data flow and technical guides

Information Technology Intern @ Bank Central Asia

October 2019 - March 2020
  • Wrote comprehensive team encyclopedia covering business process, data flow & technical guides

Instructor @ Omega Education Centre

  • Junior High School Mathematics Olympiad Instructor in November 2023 - March 2024
  • Graphic Designer and Social Media Manager in April 2019 - Present
  • High School Mathematics and Science Tutor in May 2016 - July 2017

Education

Computer Science Major @ Bina Nusantara University

August 2017 - September 2021

Grade: Summa Cumlaude - GPA 3.92/4.00
  • Graduated on Computer Science Degree in BINUS in 2021. This is a continuation of PPTI program (after the 2.5 years) which we continue by ourselves independent from BCA. This part took one and a half year. I created web based Physical Distancing Detector using Deep Learning and Object Recognition from a picture or a camera with my teammate as the final project or thesis in this degree.

Machine Learning Intermediate Scholar @ Indosat Ooredo Hutchison Digital Camp

December 2023 - January 2024
Grade: 5*

Finished Machine Learning Intermediate Level Course on Dicoding with outstanding 5* in all 3 projects

  • Learned the foundations of solving problems in ML
  • Learned and solved solve problems through projects in NLP (Natural Language Processing), Time Series Data, and Image Classification Utilizing Neural Network as the core
  • Learned about Reinforcement Learning, Recommendation System, Deployment Architecture

Scholar @ AWS Re/Start Program

December 2022 - March 2023
  • Finished full-time, classroom based skills development and training program on IT fundamentals, AWS Cloud, and professional skills.
  • Built IT fundamental skills, including: working knowledge of Linux OS, writing scripts in Python and Shell.
  • Learned how to apply core AWS services in the areas of compute, storage and networking; including EC2, S3, IAM, VPC, Lambda, Cloud Formation, RDS and Route 53.
  • Demonstrated strong verbal and written communication skills, including the ability to explain technical information and terminology to non-technical end users.
  • Learned how to configure, monitor, and support the suite of core AWS services.

PPTI BCA Bachelor's Degree Scholar @ PPA/PPTI BCA

August 2017 - March 2020
Grade: Summa Cumlaude - GPA 3.94/4.00

Fifth Batch of Bachelor Scholarship Program named PPTI (Program Pendidikan Teknologi Informatika) who pursued Computer Science Major. Learned along with other 34 students from all over Indonesia for 2 and a half year long with such tight deadlines and schedules.

  • Part of Documentation Comittee on Outing 2020.
  • Part of Health Comittee on DSC 2019
  • Finalist of Calculus Math Contest 2019
  • Qualified to Round 1 on Google Code Jam 2019
  • High Rankers on Kick Start 2019

Student Trainee @ Apple Developer Academy

April 2019 - March 2019
Participated in Binus University iOS Foundation Program, Cohort 11
  • Learned how to develop an application in a team using Swift with Challenge Based Learning (CBL) method
  • Created GamerGuru

High School Science Major Student @ Ignatius Global High School

2014 - 2017
Grade: 94/100

Learned with other 42 students as the first generation of the school ever, with a lot of activities mainly focusing on academic fields, primarily on English, Maths, and Science.

Notable Experiences

  • One of the Nationalist in Math OSN (Olimpiade Sains Nasional, the most prestigious event academically for Science Olympiad in Indonesia) on my second year
  • One of the Nationalist in ISMOC 2016, a competition which prestige is almost the same as OSN since most of the participants who got to the finals are the ones who are also the Nationalist in OSN
  • Taught others as my part time in Science and Math in Omega Education Centre
  • Qualified to Round 1 on Google Code Jam 2019
  • High Rankers on Kick Start 2019

Junior High School Acceleration Class Student @ Xaverius 1 Junior High School

2012 - 2014

Took a journey in middle high school as one of the acceleration class student who got to study 2 years for a 3 years study requirement along with 24 other geniuses. Schedule is so uptight here, we barely had any time to spare on workdays/school days since we need to learn and do homeworks and tasks. We also had our own events and hardships, some bitter sweet memories some would say.

Projects

Image Classification - Indian Birds Classification Model

January 2024
  • Image Classification Model to classifiy Indian Birds
  • 99% accuracy utilizing transfer learning and fine tuning with EfficientNetB3 as the base model
  • Add conversion process to tflite format

NLP - BBC News Classification Model

January 2024
Grade: 5*

Finished Machine Learning Intermediate Level Course on Dicoding with outstanding 5* in all 3 projects

  • Learned the foundations of solving problems in ML
  • Learned and solved solve problems through projects in NLP (Natural Language Processing), Time Series Data, and Image Classification Utilizing Neural Network as the core
  • Learned about Reinforcement Learning, Recommendation System, Deployment Architecture

Time Series - Sales Prediction Model

January 2024
  • Sales Prediction Model using NLTK
  • Evaluation result of 0.1 MAE for data in range of 750 - 900 (threshold is 17.4)

Indonesian Solana Cookbook Translation

August 2022
Collaborated on Open-Source Solana Cookbook Project as Indonesian Translator
  • Developed codebase for Indonesian translation
  • Translated Guides in Solana Cookbook for Bahasa Indonesia

Newsie

April 2022
A simple Android based application project showing news and articles for the final task of Basic Android Programming Course

Web Based Physical Distancing Detector

March - April 2021
A web based application designed to detect physical distancing using Deep Learning and Object Recognition Algorithm with the help of darknet in python and YOLOv4 which goal is to detect physical distancing violation from a camera or a picture.

Gamer Guru

April - May 2019

A platform for gamers to tutor one another for an amount of fee using Swift.

sho.fi

January 2019

a simple shoe classifier AI app to predict the type of shape and color of a shoe with some fancy UI

Awards

Contestant of Google Code Jam Round 1

2020

Finalist @ UNY Calculus National Finalist by State University of Yogyakarta

December 2023 - January 2024

1st place in both Individual and Group High School Math Contest by Himma Sriwijaya University

2017

Finalist @ Senior High School National Math Olympiad by Ministry of Education and Culture of Indonesia

2016

Top 20 National Level Finalist @ ISMOC by Surya Insitute

2016

Bronze Medalist @ Elementary School National Math Olympiad by Ministry of Education and Culture of Indonesia

2014 - 2017

Junior High School Acceleration Class Student @ Xaverius 1 Junior High School

2012 - 2014

Took a journey in middle high school as one of the acceleration class student who got to study 2 years for a 3 years study requirement along with 24 other geniuses. Schedule is so uptight here, we barely had any time to spare on workdays/school days since we need to learn and do homeworks and tasks. We also had our own events and hardships, some bitter sweet memories some would say.

Scholarships

Computer Science Major @ Bina Nusantara University

August 2017 - September 2021

Grade: Summa Cumlaude - GPA 3.92/4.00
  • Graduated on Computer Science Degree in BINUS in 2021. This is a continuation of PPTI program (after the 2.5 years) which we continue by ourselves independent from BCA. This part took one and a half year. I created web based Physical Distancing Detector using Deep Learning and Object Recognition from a picture or a camera with my teammate as the final project or thesis in this degree.

Machine Learning Intermediate Scholar @ Indosat Ooredo Hutchison Digital Camp

December 2023 - January 2024
Grade: 5*

Finished Machine Learning Intermediate Level Course on Dicoding with outstanding 5* in all 3 projects

  • Learned the foundations of solving problems in ML
  • Learned and solved solve problems through projects in NLP (Natural Language Processing), Time Series Data, and Image Classification Utilizing Neural Network as the core
  • Learned about Reinforcement Learning, Recommendation System, Deployment Architecture

Scholar @ AWS Re/Start Program

December 2022 - March 2023
  • Finished full-time, classroom based skills development and training program on IT fundamentals, AWS Cloud, and professional skills.
  • Built IT fundamental skills, including: working knowledge of Linux OS, writing scripts in Python and Shell.
  • Learned how to apply core AWS services in the areas of compute, storage and networking; including EC2, S3, IAM, VPC, Lambda, Cloud Formation, RDS and Route 53.
  • Demonstrated strong verbal and written communication skills, including the ability to explain technical information and terminology to non-technical end users.
  • Learned how to configure, monitor, and support the suite of core AWS services.

PPTI BCA Bachelor's Degree Scholar @ PPA/PPTI BCA

August 2017 - March 2020
Grade: Summa Cumlaude - GPA 3.94/4.00

Fifth Batch of Bachelor Scholarship Program named PPTI (Program Pendidikan Teknologi Informatika) who pursued Computer Science Major. Learned along with other 34 students from all over Indonesia for 2 and a half year long with such tight deadlines and schedules.

  • Part of Documentation Comittee on Outing 2020.
  • Part of Health Comittee on DSC 2019
  • Finalist of Calculus Math Contest 2019
  • Qualified to Round 1 on Google Code Jam 2019
  • High Rankers on Kick Start 2019

Senior High School Science Major Student @ Ignatius Global High School

2014 - 2017
Grade: 94/100

Learned with other 42 students as the first generation of the school ever, with a lot of activities mainly focusing on academic fields, primarily on English, Maths, and Science.

Notable Experiences

  • One of the Nationalist in Math OSN (Olimpiade Sains Nasional, the most prestigious event academically for Science Olympiad in Indonesia) on my second year
  • One of the Nationalist in ISMOC 2016, a competition which prestige is almost the same as OSN since most of the participants who got to the finals are the ones who are also the Nationalist in OSN
  • Taught others as my part time in Science and Math in Omega Education Centre
  • Qualified to Round 1 on Google Code Jam 2019
  • High Rankers on Kick Start 2019

Junior High School Acceleration Class Student @ Xaverius 1 Junior High School

2012 - 2014

Took a journey in middle high school as one of the acceleration class student who got to study 2 years for a 3 years study requirement along with 24 other geniuses. Schedule is so uptight here, we barely had any time to spare on workdays/school days since we need to learn and do homeworks and tasks. We also had our own events and hardships, some bitter sweet memories some would say.

Tech Stacks & Tools worked with


Mobile
Frontend
Backend
Package Manager
Database Scripting
Database
Cloud
CI/CD
Design
Project Management
What's next?

Reach me out!

I’m open for new opportunities and connections.
If you have any questions, inquiries, or just want to have a chat and connect.
I’d be happy to answer! I’ll try my best to get back to you.
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