Senior Full Stack Software Engineer
Engineering high-performance enterprise platforms, air-gapped enterprise messaging systems, and in-browser WASM database engines with TypeScript, React 19, and Next.js 16.✦ Also available for technical advisory and high-impact custom builds.
// Eko Supriyono - Profile Spec export const profile = { role: "Full Stack Software Engineer", specialization: [ "Client-side WASM Relational Databases", "Business Intelligence & Analytics Platforms", "Local-first Markdown Engines" ], status: "Available for select engineering roles", location: "Indonesia" };
Distinguishing enterprise production systems operating under strict air-gapped constraints from open-source & in-browser technical demonstrations.
Multi-tenant RAG-powered enterprise chatbot platform with hybrid vector search, knowledge base management, LLM gateway routing, and tool-augmented AI agents - 110+ features across 12 modules.
Multi-agency interoperability platform and API gateway enabling secure data exchange and real-time analytics across enterprise databases.
Multi-tenant enterprise portal and secretarial management system with CMS, document workflow, event management, and SSO integration serving 12+ organizational units under air-gapped Kubernetes infrastructure.
Enterprise LMS with AI-driven knowledge management system, serving thousands of employees with adaptive learning paths, automated assessment, and RAG-powered intelligent search across 20+ microservices.
Interactive, browser-based SQL query engine and schema inspector. Execute queries, analyze database tables, and visualize relational datasets completely client-side.
Comprehensive business intelligence and financial operational dashboard built for Micro, Small, and Medium Enterprises (UMKM) to track revenue, inventory, and sales KPIs.
Distraction-free, high-performance markdown notebook and knowledge management tool with instant full-text search, tag taxonomy, and local-first privacy.
Personal portfolio site and technical knowledge repository showcasing enterprise architecture case studies, interactive demos, and engineering deep dives — built with cutting-edge frontend stack.
SQL Explorer runs a complete SQLite relational engine directly in the browser web worker thread, providing zero-latency SQL execution without transmitting database content to remote servers.
Non-blocking background thread executing queries safely.
Windowed tabular viewport rendering 50,000+ rows efficiently.
Real-time parsing of table schema, foreign keys, and indexes.
Instant dataset ingestion into in-memory database tables.
// SQL Explorer Query Execution Pipeline
import initSqlJs from '@jlongster/sql.js';
export async function executeBrowserQuery(dbInstance, sqlQuery: string) {
const worker = new Worker('/sql-worker.js');
return new Promise((resolve) => {
worker.postMessage({ type: 'EXECUTE', query: sqlQuery });
worker.onmessage = (event) => {
const { results, executionTimeMs } = event.data;
resolve({ rows: results[0]?.values || [], fields: results[0]?.columns || [], time: executionTimeMs });
};
});
}Feedback from team leads, solution architects, and engineering peers across enterprise software projects.
“Eko has an exceptional ability to design resilient architectures under strict air-gapped enterprise constraints. His attention to system performance and security compliance made a critical difference in our deployment.”
Enterprise Tech Unit
“Extremely reliable full stack engineer. Eko turned complex operational requirements into intuitive dashboards and high-speed data pipelines ahead of schedule.”
Enterprise Systems Partner
“Technical depth combined with clear communication. He bridges the gap between low-level technical execution and executive stakeholder deliverables seamlessly.”
Enterprise IT Infrastructure
Primary channel for enterprise proposals & senior engineering roles via Email. Secondary channel for quick chats & local client inquiries via WhatsApp.
Best for formal proposals, enterprise roles, and detailed project specifications.
Ideal for fast responses, local Indonesian client queries, and informal discussions.
Review public repositories, career history, and technical writeups.