ES
Eko SuryahadiIndustrial Data & AI
SYS // ONLINE·Oil & Gas · EPC Scheduling · Big Data Lakehouse · AI

Heavy Industry Domain Depth. Modern Data & AI Engineering.

Engineering high-throughput out-of-core data engines (DuckDB), mathematical project scheduling graphs (Kurvaup), autonomous AI agents, and industrial safety compliance systems built on verified production benchmarks.

engine.gaungnusa.io/lakehouse/duckdb-out-of-core-v16
ACTIVE TELEMETRY
GaungNusa DuckDB Out-of-Core Execution Telemetry (5,000,000 Rows)
MAX ROWS: 5,000,000
EXEC TIME: 3.01s
MEM DELTA: +0.12 MB
DISK SPILL: ONLINE
BENCHMARK PASS
3.01s
DuckDB Out-of-Core Aggregation

5,000,000 synthetic rows aggregated out-of-core with just +0.12 MB Node.js heap delta.

PRODUCTION ARCHIVE
50+
Engineered Repositories

Multi-discipline systems across EPC scheduling, data lakehouse, AI agents, and HSE.

ZERO LOSS BUFFER
100%
Zero Data Loss Streaming

1,000 EPS burst micro-batching with QueryGuard SQL AST injection prevention.

TOPOLOGY CORE
FS·SS·FF·SF
WBS Dependency Engine

Recursive critical path method with custom non-working calendar exceptions and lag.

CORE SYSTEMS // ARCHITECTURE BREAKDOWN

The 4 Flagship Production Systems

In-depth architecture, live performance curves, and interactive system simulators for our primary enterprise engineering platforms.

app.kurvaup.io/scheduling/gantt-wbs-engine
PRODUCTION_READY
PRODUCTION_READY·EPC & Heavy Construction Management

Kurvaup Project Scheduling Engine

Enterprise MS Project-grade Gantt and S-Curve scheduling platform built for EPC contractors, supporting complex task topologies, calendar exceptions, and baseline tracking.

Topology Types
FS / SS / FF / SF
Calendar Precision
Custom Work Hours
WBS Recursion
Unlimited Depth
Rendering Sync
60 FPS Virtualized

Architectural Highlights & Guardrails

  • Mathematical scheduling engine calculating earliest/latest start & finish dates accounting for non-working calendar exceptions and lag time
  • Hierarchical Work Breakdown Structure (WBS) with recursive parent-child progress aggregation and critical path derivation
  • Synchronized dual-pane layout tying spreadsheet task grid to SVG timeline with dynamic bezier curve dependency links
  • Baseline snapshot engine for schedule variance monitoring (BCWS vs BCWP vs ACWP)
Next.js (App Router)TypeScriptPostgreSQLPrisma ORMZustandSVG Dynamic BezierTailwind CSS
Kurvaup S-Curve Engine: Planned Baseline (BCWS) vs Actual Earned Value (BCWP)
STATUS: ON-TRACK (SPI: 1.01)
BASELINE PROGRESS: 100.0%ACTUAL EARNED PROGRESS: 100.0%SCHEDULE VARIANCE (SV): +0.2%
Dependency Mode:
Finish-to-Start (FS): Task B begins only after Task A finishes.
EXPLORER // PINTEREST BENTO VAULT

The 50+ Repository Archive

Explore the complete portfolio of verified industrial systems, mathematical engines, and AI workflows. Each card represents an engineered repository.

INDEX:21/ 21 SYSTEMS
gaungnusa-lakehouse
PRODUCTION_READY
Big Data & LakehouseFLAGSHIP

GaungNusa Lakehouse Engine

High-throughput enterprise analytical engine and lakehouse platform designed to aggregate multi-million row industrial datasets out-of-core without taxing application memory.

Next.js 16DuckDB NativeMinIO S3PostgreSQL+2
E:\Project\gaungnusa-2026Inspect
kurvaup-gantt-engine
PRODUCTION_READY
EPC & SchedulingFLAGSHIP

Kurvaup Project Scheduling Engine

Enterprise MS Project-grade Gantt and S-Curve scheduling platform built for EPC contractors, supporting complex task topologies, calendar exceptions, and baseline tracking.

Next.js (App Router)TypeScriptPostgreSQLPrisma ORM+3
E:\Project\kurvaup-coreInspect
safety-analytics-audit
PRODUCTION_READY
Safety, HSE & ESGFLAGSHIP

Safety Analytics Pro & Oil & Gas Risk Audit

Operational safety intelligence and regulatory compliance auditing platform for oil & gas facilities, evaluating operational hazards and enforcing mitigations.

Next.jsPrisma ORMSQLite / PostgreSQLTailwind CSS+2
E:\Project\safety_analytics_proInspect
epc-delay-cost-control
PRODUCTION_READY
EPC & SchedulingFLAGSHIP

EPC Delay Predictor & Cost Control SaaS

Predictive machine learning and Earned Value Management (EVM) system forecasting contractor delay risks and cost overruns before monthly PMO closeouts.

PythonXGBoostFastAPINext.js+2
E:\Project\EPC_Delay_PredictorInspect
valoris-agentic-intelligence
ACTIVE_PILOT
AI Agents & Automation

Valoris Agentic Intelligence

Multi-agent autonomous framework designed for complex operational analysis, report synthesis, and automated task execution.

PythonLangChainFastAPIOpenAI / Claude API+1
E:\Project\Valoris_Agentic_IntelligenceInspect
opsband-ai
ENGINEERED_MVP
AI Agents & Automation

OpsBand AI & Podman Orchestrator

Containerized operational AI runtime and rootless container management framework for secure on-premises industrial server deployments.

PodmanBashNode.jsDocker Compose+1
E:\Project\opsband-ai-podmanInspect
batu-erp-agent
ENGINEERED_MVP
AI Agents & Automation

Batu ERP Agent

Intelligent agent interface allowing plant managers to query ERP inventory, purchase orders, and production milestones via natural language.

PythonFastAPIPostgreSQLLLM Structured Outputs+1
E:\Project\Batu ERP AgentInspect
controlcheck-ai
ACTIVE_PILOT
Safety, HSE & ESG

ControlCheck AI Core & Platform

Field QA/QC and engineering control verification platform with automated anomaly tagging and inspection reports.

TypeScriptNext.jsPythonComputer Vision+1
E:\Project\ControlCheck-AI-CoreInspect
smarthse
PRODUCTION_READY
Safety, HSE & ESG

SmartHSE Environmental & Safety Suite

Comprehensive digital Health, Safety & Environment management platform with incident reporting, toolbox meeting logs, and PTW workflow.

Next.jsTypeScriptPrismaPostgreSQL+1
E:\Project\smarthseInspect
esg-ai-carbon
ACTIVE_PILOT
Safety, HSE & ESG

ESG AI & Carbon Emission Accounting

Automated carbon emission accounting and ESG reporting engine calculating corporate carbon footprints across Scope 1, 2, and 3 activities.

ReactTypeScriptNode.jsPython+1
E:\Project\ESG-AIInspect
band-procurement-spk
PRODUCTION_READY
Enterprise ERP & Finance

Band Procurement MVP & Kontrak SPK

Procurement requisition, vendor bidding evaluation, and SPK (Surat Perintah Kerja) contract lifecycle management system.

Next.jsPrisma ORMPostgreSQLTailwind CSS+1
E:\Project\band-procurement-mvpInspect
cost-control-saas
PRODUCTION_READY
Enterprise ERP & Finance

Cost Control SaaS & Project Costing

Construction cost control platform managing Cost Breakdown Structure (CBS), purchase order commitments, actual disbursements, and budget variance.

Next.jsTypeScriptPostgreSQLPrisma+1
E:\Project\Cost Control SaaSInspect
sc-epc-supply-chain
ACTIVE_PILOT
EPC & Scheduling

SC-EPC Supply Chain & Material Tracking

Material tracking and pipe spool fabrication monitoring system tracking raw pipe delivery, fit-up, welding, NDT, and hydrotest milestones.

ReactFastAPISQLite / PostgreSQLTailwind CSS
E:\Project\SC-EPCInspect
epc-intelligence
PRODUCTION_READY
EPC & Scheduling

EPC Intelligence & Delay Predictor

Analytical intelligence tool correlating engineering release delays, procurement lead-times, and on-site construction erection velocity.

PythonPandasScikit-LearnFastAPI+1
E:\Project\epc intelligenceInspect
prd-pipefab
ACTIVE_PILOT
EPC & Scheduling

PRD PipeFab & Spool Production Management

Workshop floor production tracking system for piping fabrication yards, tracking daily welder joint quotas and weld inspection pass rates.

TypeScriptNext.jsPrismaTailwind CSS
E:\Project\PRD_PipeFabInspect
gaungdatablend
PRODUCTION_READY
Big Data & Lakehouse

GaungDataBlend ETL Pipeline

Ultra-fast data blending and transformation pipeline leveraging Polars and Arrow memory structures for high-speed multi-source joining.

PythonPolarsDuckDBApache Arrow+1
E:\Project\gaungdatablendInspect
dti-dashboard-builder
ENGINEERED_MVP
BI & Dashboard Systems

DTI Dashboard Builder & Analytics

Modular dashboard construction framework allowing engineers to assemble custom KPI cards, line graphs, and telemetry gauges on the fly.

ReactTypeScriptTailwind CSSRecharts+1
E:\Project\dti-dashboard-builderInspect
mcp-pbi-automation
CORE_MODULE
BI & Dashboard Systems

MCP Power BI Model Automation

MCP server bridging LLM agents with Power BI tabular models for automated DAX measure optimization, schema validation, and documentation generation.

PythonModel Context Protocol (MCP)Power BI REST APIDAX
E:\Project\MCP PBIInspect
talentadesk
PRODUCTION_READY
Enterprise ERP & Finance

TalentaDesk & Manpower Management

Enterprise workforce tracking, subcontractor timesheet validation, and safety certification credential manager for on-site personnel.

Next.jsTypeScriptPostgreSQLPrisma ORM+1
E:\Project\talentadeskInspect
oil-gas-safety-audit
PRODUCTION_READY
Safety, HSE & ESG

Oil & Gas Safety Audit System

Focused compliance audit and hazard mitigation engine tracking plant findings, responsible persons, and close-out verification dates.

Next.js 16Prisma ORMSQLite / PostgreSQLTailwind CSS+1
E:\Project\oil_gas_risk_auditInspect
elitbang-cilacap
PRODUCTION_READY
Enterprise ERP & Finance

E-Litbang Regional Innovation Hub

Government research, innovation, and technological development tracking portal for public development and grant evaluation.

Next.jsPostgreSQLTailwind CSSPrisma
E:\Project\elitbang-cilacapInspect
COMPETENCY RADAR // THE DUAL ADVANTAGE

Software Architecture Meets Industrial Depth

Bridging heavy operational domains (EPC Scheduling, Oil & Gas HSE, EVM Cost Control) with modern systems engineering (DuckDB out-of-core, Lakehouses, AI Autonomous Agents).

stack://engines/duckdb-lakehouse-ai
ENGINEERING CORE

Modern Data & Systems Architecture

Out-of-Core Engines & Production Web

Out-of-Core & Lakehouse Analytics

DuckDB native query engine with SSD spillover buffer, MinIO S3 object lakehouse tiering (Bronze/Silver/Gold), Polars/Arrow vectorized memory processing, and Snappy Parquet storage.

Full-Stack Web & Real-Time Ingestion

Next.js (App Router), TypeScript, PostgreSQL, Prisma ORM, WebSocket micro-batch streaming buses, and Zustand state synchronization for 60fps virtualized timelines.

AI Agents & Predictive Machine Learning

Multi-agent autonomous tool coordination (LangChain / Claude API), Model Context Protocol (MCP), XGBoost predictive models for schedule variance, and FastAPI microservices.

domain://operations/epc-oilgas-hse
FIELD MASTERY

Heavy Industry & Field Domain Depth

EPC, Oil & Gas, HSE & Project Controls

EPC Scheduling & Critical Path Method (CPM)

Hierarchical Work Breakdown Structures (WBS), multi-calendar non-working exception logic, complex 4-way dependency graphs (FS, SS, FF, SF + Lag), and S-Curve baseline variance tracking.

Oil & Gas HSE & Industrial Compliance

Quantitative Risk Assessment (QRA), 3x3/5x5 Hazard Severity Matrices, ESDM & OSHA inspection standards, Digital Permit to Work (PTW) workflows, and TRIR/LTIFR safety statistical tracking.

Earned Value Management & Project Finance

Earned Value Analysis calculating PV, EV, AC, Schedule Performance Index (SPI), Cost Performance Index (CPI), CBS-WBS reconciliation, and multi-contractor milestone valuation.

ENGAGEMENT // DIRECT ACCESS

Let’s Build High-Impact Industrial Systems

Available for select consulting engagements, data engine architecture design, EPC scheduling systems, and custom AI agent deployments. Direct interaction with the technical lead.

contact://eko-suryahadi/direct
VERIFIED LEAD
PRIMARY EMAIL
e.suryahadi@gmail.com
ENGAGEMENT DIRECTIVES:
• Direct communication with the technical lead (no sales layer).
• High-velocity prototyping with verified production benchmarks.
• Deep alignment with industrial regulatory frameworks (ESDM/OSHA/EVM).
client://session/new-inquiry
PRIORITY DISPATCH
Launch Direct Email Inquiry