sabiqazhar: software engineer

software engineer — backend / systems / data. i analyze. i adapt. i build. — github.com/sabiqazhar

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sabiq azhar prayoga
software engineer
depok, indonesia (utc+7)
open to work

stack

go, python, typescript/js
rust (learning), lua, php

backend

rest apis, postgresql
mariadb, redis
frappe / erpnext

systems

distributed systems
concurrency, caching
data pipelines (cdc, etl)

tools

docker, linux, git
neovim, ci/cd

selected work

2024-11-20

erpnext indonesia localization
coretax-compatible xml, ppn + nitku, batch export. repo

erp / python

2026-07-16

tailtime.nvim
privacy-first time tracker inside neovim. repo

tool / lua

all 43 repositories on github

experience

erp & financial compliance. indonesia's coretax rollout meant erpnext data had to become government-valid xml. built a frappe-native localization layer (doctypes, transform services, batch export) so validation lives where the data lives — ppn flows and branch nitku identities handled in-app.

high-volume transactions. inventory and accounting workloads punish naive queries. model the operation first, then tighten database access, enforce transactional boundaries, automate the critical accounting paths.

business applications. property-service matching and umkm operations moved from chat threads to small, strict domain models optimized for non-technical operators.

data & concurrency. a go cdc pipeline for streaming semantics, plus written-up experiments on db locking vs. race conditions (see writing).

experiments

clinic-monolith — modular monolith structure in go (go)

stickrs — note it. stick it. done. (product)

writing

handle race condition dengan locking database

medium

race condition, mau update aja kok rebutan

medium

about

i'm sabiq azhar prayoga, a software engineer in depok, indonesia. i work where business operations meet backend engineering — erp, accounting and inventory flows, transaction processing — and i care that those systems stay stable, accurate, and operable long after handoff.

right now: erp + tax compliance tooling (coretax/ppn), cdc pipelines in go, lua dev-tooling. currently learning distributed-systems fundamentals and writing about locking and cdc.