Folded from one square · no scissors, no glue

Sevian Arivyartha

Software Engineer. Rails, Go, Python, and AI Workflows.

About

Sevian Arivyartha. Software engineer with 4+ years in Rails, Go, Python, and AI Workflows.

Jakarta, Indonesia, UTC+7.

I own production systems end-to-end: design, release, and the incident afterwards. I find root causes rather than symptoms and build async systems that fail safely.

What I fold with

Backend

  • Ruby on Rails
  • Go
  • Python
  • FastAPI
  • Flask
  • GraphQL
  • Sidekiq
  • PostgreSQL
  • MySQL
  • Redis

Tooling and Monitoring

  • Docker
  • DigitalOcean
  • CircleCI
  • RSpec
  • New Relic
  • Sentry
  • AppSignal

Integrations and AI

  • Stripe
  • Twilio
  • HubSpot
  • Dynamics 365 Business Central (AL)
  • LLM workflows

Frontend

  • TypeScript
  • React
  • React Native

Languages

  • Indonesian (native)
  • English (fluent)

The folds so far

Most recent first

1 of 6

Lucecurrent

Software Engineer I, Sep 2026 to Present

Associate Software Engineer I to III, Sep 2024 to Aug 2026

Jakarta (hybrid)Singapore home-services platform, FT Asia-Pacific high-growth list

Promoted twice in the first year, the first immediately after probation, and again in the second.

  • AI & Automation: Designed and delivered AI-powered products for customer interactions, agent quality workflows, and lead management.
  • Financial Systems: Built a virtual wallet and booking system supporting credit top-ups, invoicing, and multi-vertical transactions.
  • Architecture & Technical Design: Contribute to system architecture, technical design reviews, and implementation decisions across product initiatives.
  • Production Engineering: Investigate high-impact incidents, identify root causes, and implement fixes and optimizations to improve system reliability, performance, and cost efficiency.

Also on file: design reviews, incident investigations, release planning.

Ukirama

Junior Software Engineer

Mar 2023 to Sep 2024Jakarta · Cloud ERP SaaS for manufacturing, logistics and F&B retail

  • Built the approval-workflow engine from scratch, giving customers configurable multi-step approvals across ERP processes.
  • Halved ERP report generation time by extracting a core library from the Rails monolith into a standalone Go service.

Orami (SIRCLO)

Junior System Operation (L2 Support Engineer)

Nov 2021 to Jan 2023Tangerang · E-commerce platform for mother and baby products

  • Resolved PostgreSQL and MySQL incidents in high-traffic e-commerce workflows; runbooks built from recurring failure patterns cut resolution time ~90%.

Larona Prima Solusi

Web Developer and IT Technical Support

Aug 2019 to Jan 2021Tangerang · ERP software for Indonesian SMBs

  • Led an offline-first web ERP client (IndexedDB, sync to the central system) so customers could keep working on unreliable connections.

University of Bunda Mulia

B.Sc. in Management Information Systems

Aug 2018 to Oct 2022Jakarta · education

MySkill

Product Management: Fullstack Intensive Bootcamp

Mar 2023certification

Open source

redacted (Go)

Secrets guardrail for AI coding assistants: detects and redacts credentials before tool output reaches external APIs, using pattern matching and entropy-based scoring. Runs as a tool-output hook.

redacted.my.id (opens in a new tab)

event_timeline (Ruby gem)

Records model state changes as a queryable audit trail for traceability and debugging.

github.com/svn-arv/event_timeline (opens in a new tab)

Say hello

In case of interesting problems, notify

[email protected]

github.com/svn-arv (opens in a new tab)
linkedin.com/in/sevian-arivyartha (opens in a new tab)

These are summary entries. Happy to answer questions on LinkedIn (opens in a new tab).

One (1) rubber duck, standard issue, folded from one square. Most bugs confess before the duck says a word.