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2 contributions to AI Builders Lab
Hi All
Over the past 8+ years, I’ve been building and scaling production-grade software for startups and growing companies. My background is in full-stack engineering with a strong focus on backend architecture, distributed systems, and real-time infrastructure. I primarily work with Node.js and TypeScript, building modern applications with React, Next.js, and PostgreSQL, while designing systems that can reliably handle real users and real business workflows. In recent years, I’ve focused heavily on AI-driven products and automation. I design and implement conversational agents, voice AI systems, and workflow automation that help companies reduce manual work, respond to customers faster, and operate more efficiently. I’ve worked with tools and frameworks like LangChain, LiveKit, Twilio, n8n, and custom LLM pipelines to build practical AI systems that deliver measurable business value. I typically work closely with founders and small teams, helping turn ideas into working products, improving existing systems, and building the technical foundations needed to scale. My approach is very execution-focused — understanding the business goal first, then building the simplest and most reliable system to achieve it. I’m currently open to new opportunities and collaborations with founders and teams building ambitious products, especially where AI, automation, and scalable infrastructure can create real operational impact. If you’re building something meaningful and need someone who can take ownership from architecture to production, I’d be happy to connect.
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Open to Work
I’m opening up bandwidth for a new project or long-term collaboration. I’m a senior full-stack engineer focused on building real, production-ready systems — not demos. My core strengths are: • Full-stack web apps (React / Next.js / Node / TypeScript) • AI agents & LLM workflows (chat, tools, RAG, multi-agent) • Voice AI (real-time calls, scheduling, assistants, call handling) • Automations & integrations (n8n, Make, CRMs, internal ops) • Scalable backend infrastructure and clean architecture I typically work with founders and teams who need someone that can think end-to-end: product, system design, reliability, and speed of execution. If you’re building something ambitious and want to move fast without cutting corners, feel free to DM me. Happy to review ideas, audit existing systems, or jump straight into execution.
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1-2 of 2
Marek Lucien
1
5points to level up
@marekl-lucien-2916
Full stack Blockchain & AI agent developer

Active 7m ago
Joined Jan 28, 2026
Singapore