Santekno
Engineering case studies

What's been built — not just a list of projects

Every project here is an engineering case study: UI, interaction flow, architecture, technical challenges, and impact — from real decisions, not toy examples.

37
Projects
35
Live in production
2
Product types
EN·ID·AR
Trilingual

Featured

pinned, hand-picked work

All projects

$ Go -X POST /v1/sync
→ 201 Created
{ "status": "ok" }
publish event
Backend / APIE-Commerce / Livestream

KLS Live Project — Seller Side

Live

Scaled high-value livestream seller operations with batch registration, validation, and monitoring for major campaigns across the region.

GoRPC frameworkHertzScheduling Framework+6
2026 · Backend Engineer (Campaign)View case study
$ Go -X POST /v1/sync
→ 201 Created
{ "status": "ok" }
publish event
Backend / APIE-Commerce / Ads Budget

Ad Credit Budget Integration

Live

Real-time ad-credit budget tracking from the ad-credit incentive program into the budget-management platform — polling plus event-driven, across global markets.

GoRPC frameworkHertzScheduling Framework+7
2026 · Backend EngineerView case study
$ Go -X POST /v1/sync
→ 201 Created
{ "status": "ok" }
publish event
Backend / APIE-Commerce / Campaign

Add Business Line to Campaign Management

Live

Extended campaign flows to carry business-line context across budget-management pages and download workflows — with contract-first, cross-region delivery.

GoRPC frameworkHertzRPC+5
2025–2026 · Backend EngineerView case study
$ Go -X POST /v1/sync
→ 201 Created
{ "status": "ok" }
publish event
Backend / APIE-Commerce / Budget & Finance

Add Co-funding Info in Projects & Budget Bills

Live

Brought co-funding data online across projects and budget bills for precise attribution and cost-sharing transparency across multiple regions.

GoRPCHTTP frameworkManaged RDS+4
2026 · Senior Backend EngineerView case study
$ Go -X POST /v1/sync
→ 201 Created
{ "status": "ok" }
publish event
Backend / APIE-Commerce / Budget & Finance

Target Budget Pool Phase 2 — Special Approval

Live

Built a backend approval-exemption module for fine-grained budget control over over-subsidized sellers and creators.

GoRPCHTTP frameworkManaged RDS+4
2026 · Backend Engineer (POC)View case study
WebPersonal

Bio Santekno

Live

SEO-friendly personal link-in-bio rendered with ISR — light, fast, easy to extend.

TypeScriptNext.jsTailwindUpstash Redis+1
2025 · Full-stack EngineerView case study
Projects