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AwaluddinAvailable

About

Back in my early engineering days at Daikin HVAC, I spent countless hours diagnosing industrial refrigeration systems, tuning physical feedback controllers, and managing sensor data pipelines. Working with physical thermodynamics taught me the unyielding truth of production systems: failure modes will always occur at the boundaries, and real-time reliability is non-negotiable.

That passion for robust, deterministic architectures naturally led me to pivot into distributed backend engineering and cloud infrastructure. Today, I architect and build async, event-driven microservices using Node.js, Go, Python, and PostgreSQL, specializing in resilient financial platforms and high-throughput enterprise systems.

My primary technical focus is bridging modern AI systems with production backends: integrating large language models (LLMs), LangGraph/LangChain agentic workflows, and semantic retrieval into scalable architectures. I care deeply about token telemetry, deterministic fallbacks, and building software that consistently delivers value at scale.

System Impact

Operational & Production Metrics

Documented Annual Impact
$18K / yr
Infrastructure Cost Saved

Cloud resource right-sizing & query indexing optimization at Telkomsel.

Enterprise B2B SaaS (SERA - Astra)
Sub-Second
Data Synchronization Latency

Event-driven cross-service sync between SAP & HRIS via Azure Service Bus.

AuraFlow AI Architecture
Zero-Downtime
Fault-Tolerant AI Pipelines

Multi-provider fallback (Gemini ➔ Groq ➔ Claude) & decoupled BullMQ worker.

Financial Compliance Engineering
OJK & BI
Regulated Compliance Standard

ACID transaction isolation, double-entry ledger balances, and audit trails.

Career

Journey & Chronology

Career

✦ Chronological timeline of professional roles, core contributions, and enterprise projects.

PT Serasi Autoraya (SERA) — Astra Group

Backend Engineer (Consultant via PT Insure Media Solusi)

2024 – PresentCurrent
  • ✦Managing core enterprise fleet telemetry and transaction services under high vehicle concurrency, engineered event-driven microservices and message pipelines with idempotency locks, achieving 99.9% uptime across distributed operations.
  • ✦Facing bottlenecks in cross-system contract sync and asynchronous queue processing, orchestrated Azure Service Bus pub/sub topics and optimized query layers to reduce broker latency by 35% under peak load.
  • ✦To prevent transaction replay vulnerabilities in distributed scheduling workflows, designed distributed locking and deduplication mechanisms handling 100K+ daily state transitions with zero recorded duplicate entries.
Go (Golang)Node.jsTypeScriptAzure Service BusPostgreSQLRedisDocker

Telkomsel

Software Engineer (PKWT via PT Deta Sukses Makmur)

2023 – 2024
  • ✦High monthly cloud infrastructure costs across digital enterprise operational pipelines, refactored backend microservice resource allocation, query caching, and batch execution pipelines, directly saving $18K/year in server expenditure.
  • ✦Critical enterprise integrations faced API latency spikes during high-concurrency peak windows, re-architected internal data retrieval pipelines and Redis multi-tier caching, slicing p95 latency by 45% across high-traffic endpoints.
  • ✦Manual validation bottlenecks delayed service deployment verification across staging environments, implemented automated test suites and contract validation pipelines, expanding test coverage to 88% and preventing regression leaks.
Node.jsExpressRedisPostgreSQLMicroservicesJestCI/CD

Regulated Fintech Company (OJK & BI Regulated)

Backend Engineer

2022 – 2023
  • ✦Strict regulatory audit mandates required provable transaction reconciliation across disparate banking rails, architected compliance engineering systems and digital wallet ledger pipelines reconciling $2.5M+ daily transaction volume with double-entry cryptographic verification.
  • ✦High failure rates and inconsistent timeouts during payment gateway gateway integrations, developed resilient payment integration routers with circuit breakers and webhook failover handlers, maintaining 99.98% successful settlement across all partner channels.
  • ✦Demands from OJK & BI regulators for deterministic audit logs and data integrity validation, implemented immutable audit log schemas with PostgreSQL transaction isolation levels, guaranteeing 100% audit trail compliance during statutory financial inspections.
Node.jsTypeScriptPostgreSQLDigital Wallet LedgerPayment GatewaysCompliance EngineeringBullMQ

PT Maccon Generasi Mandiri

Software Developer

2022 – 2022
  • ✦Legacy cloud compute models created unsustainable hosting overhead for a newly launched counseling SaaS platform, refactored backend server architecture to optimized container instances with auto-scaling rules, yielding 80% server cost reduction while sustaining identical traffic levels.
  • ✦Automating user session booking, international billing, and confidential video consultations, integrated Stripe payment webhooks with Zoom API session orchestration, achieving zero-drop automated session provisioning for thousands of active clients.
  • ✦Counselors required instant notifications for urgent client appointments and rescheduling, deployed asynchronous event workers and webhook queues that processed booking notifications in under 1.2 seconds from payment confirmation.
Node.jsTypeScriptSaaS ArchitectureStripe APIZoom APIPostgreSQLDocker

PT Daikin Industries Indonesia

HVAC Engineer

2019 – 2022
  • ✦Demanding industrial and commercial facilities required rigorous thermodynamic and airflow control, led engineering execution and sensor telemetry commissioning for 152+ industrial projects across manufacturing plants and high-rise developments.
  • ✦Critical refrigeration loops suffered from thermal efficiency drops during peak ambient load cycles, calibrated PID feedback loops, sensor transmitter arrays, and electronic expansion valves, elevating system COP by 14% in heavy-duty environments.
  • ✦Unscheduled equipment downtime risked extensive production losses in mission-critical manufacturing facilities, established predictive maintenance inspection protocols and telemetry diagnosis, decreasing unexpected downtime by 28% across managed industrial sites.
Thermodynamic SystemsPID Controller TelemetryIndustrial Automation152+ ProjectsFeedback Control Loops
"The words of those I've crossed paths with often become the fuel that drives me to keep creating."

Projects

Spotlight Engineering Work

Featured Project

✦ Highlighted flagship production system. Explore the full catalog below.

"From HVAC schematics to distributed systems — the tools change, the obsession doesn't."

Proficiency

Engineering Capability Matrix

Production Systems Architecture

✦ Architecture foundation engineered for high concurrency, deterministic failover, and verified telemetry.

PRODIn Production|R&DActive R&D

Core Backend & Distributed Systems

High-concurrency services, event-driven orchestration, idempotency, and IPC.

Go (Golang)PROD
Node.js / TypeScript (NestJS, Fastify, Express)PROD
Azure Service BusPROD
KafkaPROD
Redis (BullMQ & Pub/Sub)PROD
gRPC / RESTPROD

Applied AI & Agentic Workflows

Production LLM pipelines, multi-provider failover routers, deterministic schema guards.

LangGraph (Multi-Agent & HITL)PROD
Multi-Provider LLM RoutersPROD
Fastify SSE Direct StreamingPROD
Pydantic / Schema GuardrailsPROD
Local LLM Inference (vLLM / Ollama)R&D

Data Architecture & Storage

Relational modeling, distributed caching, ACID ledger transactions.

PostgreSQL (Indexing & Partitioning)PROD
PrismaPROD
TypeORMPROD
Redis (Distributed Lock & Cache)PROD
pgvectorR&D
Double-Entry LedgerPROD

Cloud, Infrastructure & API Contracts

Containerization, edge resilience, CI/CD pipelines, and contract security.

DockerPROD
Azure Cloud ServicesPROD
OpsCtrlPROD
Cloudflare Tunnel & Edge RoutingPROD
Linux / VPS SystemdPROD
Scalar & OpenAPI DocsPROD
"Every system I've built carries the weight of the problems it was meant to solve."

Endorsements

Peer Endorsements

What Colleagues & Partners Say

✦ Verifiable peer reviews from enterprise clients, backend engineers, and delivery leads.

“Awaluddin memiliki kemampuan luar biasa dalam membedah dependensi sistem legacy dan kecepatan eksekusi API dan kontrak yang disiplin. Kerjasama integrasi berjalan sangat mulus berkat kontrak API yang disiplin.”

Daniel

Integration Engineer

Enterprise Client Collaborator

“Sangat jarang melihat engineer yang sangat memikirkan edge-cases: dari idempotency antrean hingga retry policy. Rekomendasi teknisnya selalu berlandaskan stabilitas jangka panjang sistem.”

Kemal

Backend Engineer

Peer Collaborator

“Komunikasi teknisnya sangat jelas kepada tim produk. Ketika ada tantangan data drift antara ERP dan sistem baru, Awaluddin dapat memberikan transparansi dan penyelesaian data drift tepat waktu dengan mitigasi risiko yang matang.”

Adimas

Project Management Analyst

Enterprise Delivery Team

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