J-TECH specializes in high-impact software, AI, and security solutions for modern digital businesses. From full-stack platforms to ERP integrations, AI tools, and blockchain infrastructure — we own architecture, development, and deployment end-to-end.
From ideation to deployment and beyond — we deliver complete technical solutions that solve real business problems with modern, scalable architecture.
Full-Stack Web Platforms
Ship faster, scale smarter
End-to-end web application development using Next.js, React, NestJS, and TypeScript. We architect, build, and deploy production-ready platforms optimized for performance, SEO, and maintainability.
Next.jsNestJSTypeScriptPostgreSQLRedis
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AI-Powered Integrations
Intelligent automation at scale
Integrate cutting-edge AI into your product — from LLM-powered features, smart search, and content automation to custom ML pipelines. We build AI solutions that drive real business outcomes.
OpenAI APILangChainPineconeMeilisearchPython
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ERP & Business Integrations
Streamline your operations
Odoo ERP implementation, customization, and integration with existing systems. We bridge the gap between your business tools — CRM, inventory, accounting, HR — into one unified platform.
OdooPythonPostgreSQLREST APIsXML-RPC
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Secure Marketplace Systems
Payments, vendors, growth
Build marketplace infrastructure from the ground up — multi-vendor management, payment processing, fraud detection, and automated vendor payouts. Production-ready from day one.
Stripe ConnectMolliePostgreSQLRedisBullMQ
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Blockchain & Crypto Solutions
Decentralized, trustless, secure
Web3 integrations, smart contract development, DeFi tooling, and crypto payment gateways. We build blockchain infrastructure that bridges traditional business with decentralized technology.
SolidityEthers.jsHardhatWeb3.jsIPFS
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Security & Infrastructure
Protect, monitor, harden
Security-first architecture, vulnerability audits, penetration testing guidance, 2FA implementations, and secure deployment pipelines. We ensure your systems are production-hardened from day one.
CloudflareOWASPJWT2FA/MFAHashiCorp Vault
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Not sure what you need? Let's talk and scope your project.
Real Work, Real Results
Case Studies Built & Shipped
Real projects, real clients, real outcomes. Every case study represents a complete technical challenge we owned from architecture to deployment.
A full-featured multi-vendor marketplace connecting regional artisan producers with conscious consumers. Built from scratch with a founder-first approach: we architected, built, and deployed the entire platform end-to-end.
Challenge
Build a production-ready marketplace that supports multiple vendors, multiple languages, complex shipping zones, and integrated payments — with a team of two, in under 6 months.
Solution
We designed a modular NestJS backend with PostgreSQL, full Next.js frontend with 4 languages (NL/FR/EN/DE), Stripe Connect + Mollie payment integration, and a complete vendor dashboard with analytics, gamification, and loyalty systems.
All case studies represent real projects we have built or are actively building. Client details protected by NDA where applicable.
Who We Are
Technical Partner for the Modern Web
J-TECH is a specialized digital engineering studio focused on high-impact software, AI, and security solutions. We work with startups, SMEs, and digital entrepreneurs who need a technical partner that can own the full stack — from initial architecture decisions to production deployment and long-term maintenance.
We cover the full spectrum — from web platforms and AI integrations to ERP systems and blockchain infrastructure. We combine deep technical expertise with a founder mindset: speed, clarity, and quality at scale.
We own architecture, development, deployment, and maintenance. No hand-offs, no gaps — just full technical accountability.
Founder Mindset
We think like builders and product owners, not just engineers. Every decision weighs technical quality against real-world business impact.
Built to Ship
Fast iteration with long-term maintainability. We ship production-ready code that teams can confidently maintain and scale.
Global Standards
Performance, accessibility, security, and internationalization are built-in by default — not bolted on later.
Who We Work With
Our ideal clients are startups, SMEs, and digital entrepreneurs who want a technical partner that can own architecture, development, and deployment end-to-end. We're a great fit if you need fast iteration, clear communication, and long-term maintainability.