Full-stack web development, cybersecurity, DevOps, and AI automation. We engineer software that scales and infrastructure that stays secure.
We don't just write code; we architect resilient systems. From server bare metal to seamless user interfaces, we ensure your digital foundation never cracks.
We build high-performance, containerized microservices and full-stack applications that are explicitly designed to scale painlessly as your business grows.
Say goodbye to mysterious downtime. We deliver hardened Linux servers, optimized Nginx reverse proxies, and rock-solid deployment pipelines for 99.9% uptime.
We replace manual bottlenecks with blazing-fast custom tooling, AI integrations, and precise workflow automations that do the heavy lifting for you.
Technologies We Master
Complete web application development from frontend to backend. Building scalable, secure, and performant solutions.
Crafting beautiful, responsive, and interactive user interfaces with a focus on performance and seamless user experiences.
Building robust server-side applications and APIs. Secure authentication, efficient data handling, and scalable architecture.
Hardened hosting infrastructure, SSL/TLS encryption, OWASP security audits, and firewall configurations to protect your digital assets.
Streamline your business workflows with n8n automation, ERPNext/Odoo setup, and custom scripting solutions.
Keeping your applications running smoothly with ongoing maintenance, updates, bug fixes, and performance monitoring.
Generators, converters, and utilities for everyday development tasks
Generate random UUIDs v4 for unique identifiers in your applications.
Encode and decode Base64 strings instantly with copy functionality.
Validate, format, and minify JSON data with syntax highlighting.
Convert between HEX, RGB, HSL color formats with live preview.
Generate MD5, SHA-1, SHA-256 hashes for text input.
Test regular expressions with real-time matching and explanation.
Convert Unix timestamps to human-readable dates and vice versa.
Encode and decode URLs for safe transmission in query parameters.
A high-performance cybersecurity pipeline using dual XGBoost models. Automatically classifies 14 types of network attacks and calculates real-time threat severity scores (0-100%) to prioritize security alerts via a custom FastAPI backend.
A fully functional, ready-to-deploy affiliate platform built with modern tech. White-label solution with responsive UI, Secure Auth, and Cloud DB.
Demo Email: yexaj30053@bigonla.com | Pass: Admin123*
An advanced, reliable ESP8266-based IoT solution designed to seamlessly automate, monitor, and manage aquarium environments. Features real-time temperature monitoring and Home Assistant MQTT Auto-Discovery.
A RESTful Express.js server wrapping the Claude Code CLI. Provides a local HTTP API endpoint for Claude AI. Fully containerized with Docker, serving as a drop-in replacement to bypass API limitations in n8n workflows.
A menu-driven command-line tool for Windows that allows users to seamlessly control Apple background services. Optimizes system resources providing quick start, stop, restart, and status checks.
Sri Lanka's First AI-Powered MCP Server. Translates Sinhala/Singlish instructions into precise English technical specifications using Google Gemini AI, bridging the language barrier for developers.
My personal portfolio website showcasing my full-stack development skills, projects, and experience. Built with HTML5, Tailwind CSS, and vanilla JavaScript for optimal performance.
A powerful batch automation script designed to enhance system performance. Streamlines maintenance by clearing caches, optimizing network DNS, and managing update files.
Open source bulk prompting tool for Whisk AI featuring unlimited image generation, CSV import mapping, batch processing, and extensive configurable user settings.
A premium, performance-optimized corporate landing page for ZynthLab. Features custom typography, interactive glassmorphism UI, a SPA tools router, and complex dynamic theming.
A comprehensive and highly customizable workspace management system designed to streamline your daily workflow. It features intuitive task and project management, integrated time tracking, calendar synchronization, and real-time system health monitoring. Built with Quasar and Supabase, it ensures a fast, secure, and seamless user experience.
Deep dives into our most challenging projects. Learn about the problems we solved, technologies we used, and outcomes we delivered.
Loading case studies...
Loading testimonials...
Founder & Principal Engineer
Full Stack Developer & Linux System Administrator based in Sri Lanka, serving clients worldwide.
5+ years crafting scalable web applications, automating infrastructure, and securing servers. From React frontends to Python backends, from Docker containers to bare-metal Linux.
Most software breaks when it matters most. ZynthLab builds differently. We engineer systems that scale under pressure, stay secure by default, and are maintainable for years.
From Sri Lanka to the world, delivering production-ready solutions without the drama.
Every project begins with understanding your business goals. We architect first, code second. Testing is continuous. Documentation is complete. Handover is seamless.
From curiosity to code - a path built on craft.
Started freelancing - learning by building. Every project was a lesson, every bug a teacher.
Expanded into cybersecurity and DevOps. Started contributing to open source as Thamindu-Dev on GitHub.
A web development and cybersecurity company. One vision - build secure software and hardened infrastructure.
Adapting with technology to deliver better, more secure solutions. The mission never stops.
Modern, proven technologies that scale with your business.
No hidden fees or unpredictable hourly billing. You receive a clear, unshakeable quote before we write a single line of code, ensuring absolutely no scope-creep surprises.
Whether you're an international startup or a local enterprise right here in Sri Lanka, we offer seamless, flexible payment channels natively supporting both USD and LKR.
Say goodbye to losing translations through account managers. You speak directly with the lead engineers architecting your system for lightning-fast feedback loops.
You own 100% of your Intellectual Property. Upon completion, we provide complete, thoroughly documented source code and zero vendor-lock-in.
ZynthLab is a web development and cybersecurity company providing full-stack software development, OWASP security audits, secure infrastructure hosting, AI automation with n8n and ERP systems, and ongoing maintenance with security patch management.
ZynthLab offers OWASP security audits, vulnerability assessments, SSL/TLS and HTTPS hardening, firewall configuration, server hardening on Linux, and security patch management for web applications and infrastructure.
ZynthLab builds with React, Next.js, Vue.js, TypeScript, Tailwind CSS, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Redis, Docker, Kubernetes, and Nginx - all configured with security best practices.
ZynthLab was founded by Thamindu Hatharasingha, a full-stack web developer and cybersecurity specialist focused on building secure software and hardened server infrastructure.
It depends on availability. Hosting is offered on a per-project basis when multiple clients require it, so reach out and we'll let you know if we can accommodate yours.
ZynthLab follows a security-first development approach: architecture before implementation, secure coding practices, OWASP compliance checks, and infrastructure hardened by default - not as an afterthought.
Have a project in mind? Tell us about it and we'll get back to you within 24 hours.
Or reach out directly
Email
