Petru Ceciltan · Full-Stack Developer & AI Automation Architect

80% less manual work.
35% higher conversions.

Real numbers from the case studies below: systems I designed and shipped for a global broker's marketing engine, plus live products I build and run myself.

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Currently taking on one new project at a time. The next slot is open.
13+
Years Experience
260 +
Completed Projects
80%
Manual Work Eliminated for Client Teams

My Ecosystem

Beyond client work, I build and run my own live products. These end-to-end projects show how I architect complete systems, from database design and API development to AI integration, frontend dashboards, and deployment pipelines.

Portfolio Analytics

Node.js Express PostgreSQL

A real-time investment tracking platform I founded and lead. It visualizes multi-asset portfolio performance with live price feeds, JWT role-based access, and automated data pipelines.

Nutrio

AI Node.js PWA

An AI-powered nutrition tracking app I designed and built. Snap a meal photo or scan a barcode and it logs calories and macros instantly, with personalized insights, daily targets, and native Android and iOS builds.

Blog

GEO Agentic AI MarTech

Where I share insights on the future of technology, AI automation, generative engine optimization, and modern web development.

Case Studies

Automated Lead Scoring System for Forex

Node.js OpenAI API CRM

Problem: A regulated forex broker's marketing team was manually processing 500+ leads daily across multiple regions, causing delays and missed high-value prospects.

Solution: Built a Node.js middleware that uses GPT-4 to categorize, score, and prioritize incoming leads based on behavioral signals and demographic data, then auto-routes them to the correct CRM pipeline.

80% less manual work · 35% higher conversions

Real-Time Portfolio Analytics Platform

Node.js PostgreSQL JWT Auth

Problem: Investors lacked a unified dashboard to track multi-asset portfolios with real-time price data and performance metrics.

Solution: Architected a full-stack platform with Express backend, PostgreSQL database, JWT-based role authentication (super_admin, admin, user), and a responsive vanilla JS frontend with live charting. It now runs as my own product at portfolio.ceciltan.com.

Live analytics · Automated pipelines · Multi-role access

Multi-Channel Campaign Automation Engine

Make.com n8n GPT-4

Problem: A global broker's multi-region campaigns required manual coordination across email, SMS, webinars, and CRM platforms, leading to errors and delays in multi-region rollouts.

Solution: Designed an AI-enhanced automation engine using Make.com and n8n that orchestrates campaign workflows: auto-generates localized email content via GPT-4, schedules Zoom webinars, syncs leads via SendGrid/Twilio, and logs all activity to Google Sheets.

2 weeks → 2 days launch time
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My Services

AI Automation & Workflow Design

I connect your CRM, email, ads, and data tools into autonomous workflows powered by OpenAI, Claude, and Gemini via Make.com and n8n. The same approach that removed 80% of a marketing team's manual lead processing.
DISCUSS YOUR PROJECT

Full-Stack Platforms & APIs

Web applications, dashboards, and REST or GraphQL APIs, from database schema to deployed product. I build and run two live products of my own, so I engineer for the years after launch, not just for the demo.
DISCUSS YOUR PROJECT

Marketing Technology

Landing pages, CRM integrations, tracking, and campaign tooling built by someone who runs marketing development for a global broker. Pages engineered to convert, not just to look good.
DISCUSS YOUR PROJECT

Recommendations

Christina Kotziapashi

Christina Kotziapashi

Head of Social Media · March 2026
It's rare to find someone who blends deep full-stack engineering expertise with such a strong command of modern marketing technology. As the driving force behind our marketing development initiatives, Petru led with clarity, structure, and a forward-looking mindset, and architected solutions that scaled effortlessly across campaigns and markets.
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Alex Piliavsky

https://www.linkedin.com/in/alex-piliavsky/
The best developer I have worked with. fast, accurate and out of the box thinker. Always looking for creative & better solution for the implantation needed, a rare quality for a developer. A real pleasure working with!
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jst4621

https://www.fiverr.com/jst4621
Great job and great communication. Very happy with the landing page. Always quick, efficient and quality. Will continue to work with.
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Christos Fanaris

https://www.linkedin.com/in/christos-fanaris-832b161a2/
One of the nicest and most kind people I have ever known. Truly a master of his craft and a joy to work with! It is one of those collaborations that makes you want to continue learning and giving to your partner the very best!
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adrianjude472

https://www.fiverr.com/adrianjude472
Great product. Listened well to suggestions & revisions and amended changes very fast & as required. Very good experience overall.
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shavaissiddiqui

https://www.fiverr.com/shavaissiddiqui
Did an amazing job, was very quick in delivery.
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sandrocaro17

https://www.fiverr.com/sandrocaro17
Anything you need for a web dev hes the guy! i thought of ideas and boom he was able to deliver!! will use again!
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travrose

https://www.fiverr.com/travrose
Petru is extremely capable! We've added several custom features and he always delivers! Added additional functionality for a good price - couldn't ask for more! Incredible, fast work - thank you!
Christina Kotziapashi

Christina Kotziapashi

Head of Social Media, IronFX
It's rare to find someone who blends deep full-stack engineering expertise with such a strong command of modern marketing technology. Petru led the team with clarity, structure, and a forward-looking mindset. He's a rare combination of strategist, engineer, and collaborator!
Isabella Ioannou

Isabella Ioannou

Social Media & Growth Marketing Manager, IronFX
Petru consistently demonstrated a strong technical skill set combined with a proactive and solution-oriented mindset. No matter how ambitious or complex the idea was, Petru approached it with enthusiasm and a clear focus on execution.
Christos Ioannou

Christos Ioannou

Digital Marketing Manager, IronFX
Petru is a highly skilled Full Stack Developer with strong expertise across both front-end and back-end technologies. He consistently delivers clean, scalable solutions and approaches challenges with analytical thinking and attention to detail.
Niky Tryfonidou

Niky Tryfonidou

Head of Marketing Retention, IronFX
Petru consistently impressed me with his well-organised approach and strong problem-solving skills. He always takes initiatives, collaborates effectively across functions, and delivers high-quality work. I wholeheartedly recommend Petru.
Lucas Estrada Gamarra

Lucas Estrada Gamarra

Senior PPC & Analytics, IronFX
One of the most reliable and solution-oriented professionals I've had the chance to collaborate with. His calm attitude, technical expertise, and proactive mindset make him a huge asset to our team. I highly recommend working with him!
Kaho Chan

Kaho Chan

Web Developer · React.js | TypeScript | Node.js
A fantastic full-stack developer with a deep understanding of both front-end and back-end development. It's rare to find someone who can blend tech and business so seamlessly. He always delivers and brings great ideas to the table.
Not ready to start a project? I write about AI in marketing on THE CECILTAN BLOG