reza juliandri.
Available for select engagements

Reza
Juliandri.

Backend engineer based in Indonesia. Eight years shipping APIs, automation, and data systems that serve millions — currently at Kredibel, working on fraud and trust infrastructure.

Selected work ↓ Get in touch →
Reza Juliandri
01 — About

A brief introduction.

I work on the parts of software most users never see but rely on every day — REST APIs, automation pipelines, database performance, and the glue that keeps data flowing reliably.

Since 2018 I've been at Kredibel, tackling fraud and online trust for an audience in the millions. Before that, I interned on the financial team at Traveloka and built an English assessment platform for the Indonesian civil aviation academy at Arxist.

I also teach. Over the past two cohorts I've mentored and instructed dozens of students in mobile development through Bangkit Academy — a joint program from Google, GoTo, and Traveloka.

Based in
Bali, Indonesia
Focus
APIs · Automation · Data
Writing
Go · TypeScript · Swift
Experience
8+ years
02 — Experience

Where I've worked.

  1. Aug 2018 — Present

    Backend Engineer

    PT. Kredibel Teknologi Indonesia

    • Design and ship features for APIs used across consumer and business products.
    • Build scalable backend systems with clear ownership and operational boundaries.
    • Tune database queries and indexes to hold up under production traffic.
  2. Jan 2024 — Dec 2024

    Mobile Development Instructor

    Bangkit Academy 2024

    • Taught Kotlin-based Android development to a cohort of 50 students.
    • Designed interactive sessions to keep engagement high across a remote format.
  3. Feb 2023 — Jan 2024

    Mobile Development Mentor

    Bangkit Academy 2023

    • Ran ILT sessions and mentored 25 students to an 86% graduation rate.
  4. Aug 2022 — Dec 2022

    Backend Engineer Intern

    Traveloka · Financial Team

    • Shipped features with unit and automated tests in a production codebase.
    • Built Know-Your-Business (KYB) flows for verifying financial partners.
  5. Aug 2021 — Jun 2022

    Laboratory Assistant

    Universitas Multimedia Nusantara

    • Ran lab sessions in probability & statistics, web dev, and mobile development.
    • Taught HTML/CSS/JS, PHP, and Android (Java) to groups of 25–40 students.
    • Graded and reviewed assignments across all three subject areas.
  6. Mar 2020 — Dec 2021

    Software Engineer

    Arxist

    • Built a full-stack English assessment platform for Politeknik Penerbangan Indonesia Curug.
    • Developed the Laravel backend and integrated with the web front-end.
  7. Jan 2020 — Jan 2021

    IT Division

    U-Store UMN Gen 4

    • Supported the campus student store's IT operations and digital tooling.
  8. Nov 2019 — Jan 2020

    Google Code-in Mentor

    OpenWISP

    • Reviewed student tasks and authored new ones aligned with OpenWISP's standards.
    • Performed quality assurance on student GitHub contributions.
  9. Nov 2017 — Dec 2018

    Vice Leader

    IT Community

    • Co-led the community's programs and coordinated member activities.
  10. Jun 2016 — May 2017

    LITBANG RPL

    IT Community

    • Worked on research and development within the software engineering division.
03 — Work

Selected projects.

Kredibel

Kredibel

↗

A fraud and trust platform helping Indonesian consumers avoid scams and helping businesses onboard verified users in line with regulation.

Laravel Lumen Filament
Vee: Vehicle Management

Vee — Vehicle Management

↗

Bangkit Academy 2022 capstone with Machine Learning and Cloud Computing students. Selected among the top 53 projects across the cohort.

Kotlin ML GCP Top 53 Capstone
English Electronic Assessment Platform

English Electronic Assessment

·

An assessment platform for Politeknik Penerbangan Indonesia Curug, digitizing placement and evaluation of English proficiency.

Laravel Vue.js
Amegu

Amegu — Pet Adoption

↗

A final project connecting pet owners with adopters. Laravel API, a Nuxt web client, and a Java Android app — all tied together over REST.

Laravel NuxtJS Android
Clinic Web App

Clinic Web App

·

A clinic management tool for the Inspectorate General of Indonesia's Ministry of Education & Culture — medical records, lab tests, and medication inventory.

Laravel Bootstrap
Distro

Distro

↗

An online clothing shopping concept with visual product search and personalized recommendations.

Read UX research →
UX Research UI Figma
Finess

Finess

↗

A home-workout companion with guided activities, consultation, and a reward loop to keep users consistent.

UX Research UI Figma 1st — GenFest 2021
Sharity

Sharity

↗

A pandemic-era donation app for medicine, vitamins, oxygen, and blood — matching benefactors with those in immediate need.

UI Figma
Stecy

Stecy

·

One app for stocks and crypto — real-time prices, charts, market cap, and price movement, all in a single unified portfolio view.

UI Figma
Cultrip

Cultrip

·

An app that makes it easier for travelers to discover and visit cultural destinations nearby — surfacing context, not just coordinates.

UI Adobe XD
04 — Skills

Tools of the trade.

Backend
PHP Laravel Node.js Express TypeScript Python Java Kotlin Swift Objective-C
Frontend
Vue.js NuxtJS Next.js
Data
PostgreSQL MySQL MongoDB Firebase
Platform
Google Cloud Docker Nginx Composer
Design
Figma
05 — Education

How I've learned.

Feb 2025 — Dec 2025

Apple Developer Academy

Bali · Cohort 2025

A ten-month intensive program focused on iOS app development and the entrepreneurial skills around shipping native apps.

  • · Swift & SwiftUI
  • · App design and prototyping
  • · Core Apple frameworks (CoreMotion, Watch Connectivity, Multipeer)
  • · Agile project management
Aug 2019 — Jan 2024

Universitas Multimedia Nusantara

B.Sc. Information Systems · GPA 3.85 / 4.00

Studied information systems with a heavy dose of software engineering, algorithms, and data foundations.

  • · Web design & development
  • · Algorithms & data structures
  • · Mobile application development
  • · Artificial intelligence
  • · Big data analytics
Feb 2022 — Jul 2022

Bangkit Academy

Mobile Development Cohort · Google, GoTo & Traveloka

Career-readiness program focused on in-demand mobile skills — Kotlin, fundamental and intermediate Android, UX design, SOLID principles, and career development.

06 — Credentials

Certifications & recognition.

Also — Awards
  1. Feb 2019
    1st Winner — Tangerang Skill Competition, Web Design & Development
    Ditsmk
  2. Nov 2018
    1st Winner — Web Design LINEA 2018
    SMKN 5 Tangerang
  3. Apr 2018
    2nd Winner — Banten Skill Competition, Web Design & Development
    Ditsmk
  4. Feb 2018
    1st Winner — Tangerang Skill Competition, Web Design & Development
    Ditsmk
  5. Jan 2018
    Google Code-in 2017 Participant
    Google
  6. Dec 2017
    1st Winner — Web Design LINEA 2017
    SMKN 5 Tangerang
  7. Mar 2017
    2nd Winner — Tangerang Skill Competition, Web Design & Development
    Ditsmk
  8. Oct 2016
    3rd Winner — Web Design LINEA 2016
    SMKN 5 Tangerang
07 — Contact

Say hello.

Have an interesting problem to solve? Let's talk.

[email protected] Email → LinkedIn /in/rezajuliandri → GitHub @ppabcd →