Hengky Sandycontact

$ whoami

I build infrastructure that survives crises I didn’t plan for.

Senior DevOps Engineer · Sole Infrastructure Owner · Singapore → UAE → Indonesia

Seven-plus years owning cloud and platform infrastructure end-to-end for fintech and e-commerce. Currently the sole DevOps engineer at a Series B regulated digital-asset fintech — AWS, security, and compliance, owned alone from day one.

selected-work

Proof, not promises

Every number is real and verifiable — including the parts that failed. The honest version is more useful than the impressive one.

A regulated digital-asset fintech · March 2026

Surviving the loss of an AWS region

Drone strikes destroyed AWS me-central-1. Every database and backup snapshot was unrecoverable. An analytics pipeline I had built months earlier — never meant for DR — became the recovery path.

2 weeksRegion-to-region recovery, end to end

$ read

Fasset · Series B fintech

Halving observability cost with LGTM

Replaced an $815/month New Relic bill with a self-hosted Loki · Grafana · Tempo · Mimir stack on Kubernetes — better retention, half the cost.

~50%Observability cost reduction

$ read

ULA · Sequoia-backed B2B marketplace

100% Spot in production e-commerce

All production compute on EC2 Spot at a ~$33K/month baseline — and held through a 2-month, ~10x traffic burst. Most teams quit Spot after their first interruption.

100%Of production compute on EC2 Spot

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Fasset · Series B fintech

ISO 27001 + 27017, first attempt

Primary internal owner for both certifications at a regulated digital-asset fintech, where licensing depended on the result. Passed the external audit first time.

1stAttempt external audit pass

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Personal project · inversedcramer.com

Inverse Cramer — a site that runs itself

A real-time pipeline that inverts Jim Cramer’s market calls, built end-to-end on serverless edge. Runs unattended for the price of a domain name.

~$0/moInfra cost — domain + minimal AI usage only

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Open source · DocuMind AI

Confluence answers, delivered in Slack

Open-source assistant that answers questions in Slack from your real Confluence docs, using hybrid vector + keyword retrieval. Runs on ~$5/month.

~$5/moTotal hosting: EC2 t3.micro + MongoDB free tier

$ read

experience

Three countries, zero handovers

The pattern repeats: first or only infrastructure engineer, building from zero, in fintech and e-commerce across Singapore, the UAE, and Indonesia.

  1. 06/2022 — PresentDubai, UAE

    Fasset

    Senior DevOps Engineer · Sole DevOps Owner

    Series B regulated digital-asset fintech ($51M raise). Sole DevOps engineer owning AWS, security, and compliance end-to-end — a three-region estate (37 ECS microservices, Aurora Global data tier, Cloudflare edge) run alone. Ran DevOps incident response through the March 2026 AWS UAE outage recovery; drove ISO 27001/27017 to a first-attempt pass; replaced New Relic with self-hosted LGTM; consolidated identity with Google SSO.

    AWSEKSECSTerraformLGTMNew RelicServerlessCloudflareISO 27001/27017
  2. 12/2019 — 06/2022Singapore

    ULA

    DevOps Engineer → Senior → DevOps Lead · Founding infra hire

    B2B e-commerce marketplace backed by Sequoia, Tencent, and Lightspeed. Employee #1 on infrastructure — built the entire production platform from zero on AWS Well-Architected principles. Operated production at ~$33K/month on 100% EC2 Spot; led infra-side response through a 2-month, ~10x traffic burst; delivered a self-serve developer platform that removed DevOps tickets from the deploy path. Promoted twice.

    AWSECSEC2 Spot FleetAPI GatewayTerraformJenkinsBashPython
  3. 02/2019 — 12/2019Jakarta, Indonesia

    Ralali.com

    DevOps Engineer

    Consolidated legacy infrastructure from Alibaba Cloud, GCP, and on-prem into a unified AWS platform via Terraform. Cut CI/CD build time 76% (21 → 5 minutes) through caching strategy; integrated DataDog, Rollbar, New Relic, Sonarcloud, and a payment gateway.

    AWSECSTerraformGCPAlibaba CloudDataDog

earlier — software engineering

  1. 09/2018 — 02/2019

    Software Engineer · Ralali.com

    Cut API latency 80% (600ms → 100ms) through query optimization and database tuning. PHP · Laravel · MySQL.

  2. 02/2017 — 02/2018

    Software Engineer · STTS Consultant

    Built a supply chain and payment platform end-to-end as sole engineer, placed at client PT. Altech Omega Andalan. Laravel · PHP · SQL.

  3. 02/2016 — 02/2018

    Teaching Assistant — Software Lab · Binus University

    Best Performing Assistant award. Taught web design, database structure, operating systems, algorithms and programming, and computer networking.

certifications

  • AWS Certified Solutions Architect — ProfessionalSep 2023 — Sep 2026
  • CKA: Certified Kubernetes AdministratorDec 2022 — Dec 2025
  • Certified Blockchain Architect™2023
  • Certified Blockchain Expert™2023

stack

Platform

AWSTerraformKubernetes / EKSECSDockerArgoCDGitHub ActionsCloudflare

Reliability & security

Grafana LGTMPrometheusMulti-region & DRIncident responseISO 27001 / 27017VaultFinOps

Data & code

PostgreSQL / AuroraMySQLRedisRedshiftAirbyte / MWAAPythonBashNode.js

contact

Open to senior DevOps, SRE, and platform roles

Remote-global, Singapore, Dubai / UAE, or Europe — open to relocation. Strongest fit: regulated fintech, crypto infrastructure, and high-growth startups that need a founding infra engineer.