Golang
0%
Primary language since 2018. Every high-concurrency system built on it — vouchers, loyalty, bonus balance.
Engineering Manager · Yogyakarta, ID
Tommy NurwantoroScale · AI · Onchain
Engineering leader across scale, AI, and onchain — platforms that carry 10,000+ concurrent requests, production AI in real finance workflows, and NFT game economies live on Blockchain.
Scale · AI · Onchain
Tommy
Nurwantoro
Stack Insight
The stack behind the scale.
Every platform I ship leans on the same five systems. Different product, same engineering fundamentals.
Microservices
0%
Service decomposition, inter-service contracts, and the operational discipline that keeps 200+ concurrent transactions boring.
API Design
0%
REST contracts other teams enjoy consuming — from payment flows to low-code resource models.
PostgreSQL
0%
Schema design and query tuning for systems where a slow query is a business incident.
Redis
0%
Hot paths, distributed locks, rate limiting — the layer that keeps peak load off Postgres.
Kafka
0%
Event backbones for voucher, loyalty and platform events. Exactly-once habits, replayable history.
Docker
0%
Containerized everything since 2018. Reproducible builds are a leadership tool, not a nicety.
Kubernetes
0%
GKE workloads at Bukalapak and LinkAja scale. Autoscaling behavior you can explain on a whiteboard.
AWS / GCP
0%
Cloud architecture across both majors — cost-aware, blast-radius-aware.
Smart Contracts
0%
Solidity patterns and the discipline of code that cannot be patched after deploy.
Blockchain Integration
0%
Connecting on-chain logic to off-chain product reality: wallets, indexing, reconciliation.
AI in Production
0AI suite
Shipped Accounting+ and Toko Pintar with an AI-driven assistant — production AI in real finance workflows.
Why it matters
Built for products that can't afford downtime.
Payments, vouchers, loyalty balances — when these systems slow down, money and trust leak. My job has been making that failure mode structurally unlikely, then leading the teams who keep it that way.
0Peak concurrent requests
0Concurrent transactions
0Production systems
0Teams scaled through
Selected Work
Screens from the inside.
Not mockups — running products. Each capture is a system that carried real users, real money, or real teams.
01
MyDigiSignature
Onchain multi-party document signatures on Abstract Mainnet. keccak256 fingerprints, wallet-native auth via EIP-1271, sponsored gas — a public verification link that proves itself for as long as the chain exists.
Onchainpublic registry
0 gasfor signers
02
Toko Pintar
AI-powered WhatsApp commerce for Indonesian SMEs. Storefront, catalog, order management, and a Bahasa Indonesia AI assistant — turning a WhatsApp Business number into an automated store. 0% commission, subscription only.
24/7AI sales assistant
0%merchant commission
03
Khuga Portal
Backend & onchain lead for Khuga Bash! — a multiplayer brawler live on Steam Early Access with NFT gamification. Built the backend services handling game data plus smart contracts on Ethereum & Abstract: from NFT minting to a decentralized game rewarding system.
Liveon Steam Early Access
84%positive reviews
04
Accounting+
Cloud accounting suite with an AI-driven assistant that drafts reports and flags anomalies in real finance workflows — production AI, not demos.
1000+users
–70%report prep time
05
RUN System Platform
Low-code platform where teams design resources, workflows, and screens without writing code. Multi-tenant, versioned, and integrated with the systems businesses already run.
20+internal apps shipped
10×faster delivery
Domains
Systems I keep running.
0 / 6 domains
01
Platform Engineering
Low-code platforms, multi-tenant resource models, workflow engines — infrastructure products other developers build on.
Golang · Kafka · PostgreSQL
02
Payments & Fintech
Bonus balances, voucher redemption, loyalty ledgers — double-entry discipline at consumer scale.
Golang · Redis · PostgreSQL
03
E-commerce Scale
10K+ concurrent requests on voucher infrastructure; merchant platforms for Indonesian warungs nationwide.
Kubernetes · GCP · Rails
04
Team Leadership
Engineering managers are force multipliers — hiring, mentoring, and turning roadmaps into shipped, observable systems.
Org design · Mentoring
05
AI in Production
AI-driven assistants embedded in accounting workflows — LLM features that survive real finance teams.
LLM integration · Product
06
Onchain Engineering
Smart contracts behind live NFT gamification — minting pipelines and decentralized game rewarding on Ethereum & Abstract.
Solidity · Ethereum · Abstract
Systems trusted at
Career
Ten years, scrubbed by hand.
Step1 / 7
·
Year2023
→
Present
Scroll — the readout tracks where you are in the arc, from .NET bootcamp to Head of Platform. Tap a row for detail.
What I own: the platform and digital product engineering org — including the low-code RUN System Platform and Accounting+, the AI-assisted accounting suite. Multi-tenant architecture, integration fabric, and the teams behind them.
GolangNext.jsKafkaAI AssistantMulti-tenant
What I run: backend & onchain engineering in the Khugaverse — the backend services handling game data for Khuga Bash! (live on Steam, NFT gamification) plus smart contracts on Ethereum & Abstract, from NFT minting to a decentralized game rewarding system.
BackendSolidityEthereum · AbstractNFT
What I owned: loyalty and promotions engineering for a national e-wallet — B2B and B2C voucher systems, promo campaign infrastructure, and the AVP layer between engineering and business stakeholders.
GolangKafkaRedisPostgreSQL
What I built: the bonus-balance backend carrying 200+ concurrent transactions — movement history per user, idempotent writes, and recovery paths for when payment rails misbehave.
GolangPostgreSQLRedis
What I built: voucher backend for 10K+ concurrent requests — redemption flows, partner integrations, and the operational playbooks that kept flash-sale spikes from becoming incidents.
GolangRedisKubernetesGCP
What I built: internal tech support for Mitrais employees — the discipline phase: working with the team to deliver the best solution for the internal company problems.
.NETC#SQL Server
Where it started: .NET development and a bootcamp programmer stint — learning to ship for real clients, then teaching others to do the same.
.NETC#Teaching
Available for conversation
Build something that scales.
Platform architecture, engineering leadership, or high-throughput backend work — if it needs to stay up at scale, I'm interested.