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Nikolaos Petridis

Experience

Roles, education and skills, and the CV behind them.

Download CV: Product & Development (PDF)

Roles

  1. Product Builder

    Jun 2026 – Present

    Odyssea · Ampelokipoi, Athens

  2. Full Stack Engineer

    Jan 2026 – Jun 2026

    AiWonderLab · Kifissia, Athens

    • Engineered high-availability enterprise applications via AI-Augmented Development (Claude Code, Cursor, Codex).
    • Applied Clean Architecture and Modular Monolith patterns for long-term scalability.
    • Built autonomous agentic workflows with RAG and multi-agent orchestration for complex automation.
    • Delivered full-stack with NestJS, Prisma and Next.js, a Universal TypeScript Stack across Web, Mobile (React Native) and Desktop (Electron).
    • Integrated self-healing data logic and security-hardened identity management systems.

  3. Fullstack AI Engineer (UX/UI & Applied Psychology)

    Nov 2025 – Present

    ARPA Corp. · Remote

    • Building AI-powered web applications combining technical engineering with UX/UI design principles.
    • Applying psychological frameworks to improve user experience and product behaviour.

  4. Internal Tools Developer

    Dec 2025 – Present

    AffiliateMotion · Athens

    • Developing internal tooling and automation solutions to streamline affiliate operations.

  5. Freelance AI Data Annotator & Evaluator

    2022 – Present

    Independent Contractor · Remote

    • Contracted by AI labs and data-services companies to evaluate and rank large language model responses against detailed, project-specific rubrics and annotation guidelines.
    • Focus on software-engineering and reasoning task families: reviewing generated code for correctness and idiomatic style, and writing reference solutions and prompts.
    • Daily exposure to model failure modes and alignment criteria that directly informs how AI features are designed, prompted and evaluated in production work.

  6. Affiliate Account Manager

    Dec 2024 – Jan 2026

    AffiliateMotion · Athens

    • Managed affiliate partnerships and drove performance growth across key accounts.

  7. Webmaster / Ecommerce Administrator

    Feb 2024 – Sep 2024

    Studio 360 – Dorkofikis · Athens

    • Managed and optimised the company's ecommerce platform and digital presence.

  8. Product Manager & Technical Support Manager

    May 2023 – Feb 2024

    N. Kiourtsidis & Co. · Paleo Faliro, Athens

    • Led product roadmap planning, cross-functional coordination and technical support operations.

Education

  • BSc Psychology · Università degli Studi Guglielmo MarconiMar 2023 – Mar 2026
  • Fullstack Development Bootcamp · Athens University of Economics and Business (AUEB – Coding Factory)Oct 2024 – Sep 2025
  • Bachelor of Business Administration (BBA) · Hellenic Open UniversitySep 2020 – Jul 2023
  • Vocational Degree, Information Technology · DYPA EPAS KavalasSep 2018 – Jun 2020

Skills

Design & UX
UX/UI Design, UX Research, UX Psychology, Cognitive Psychology, Design Psychology, Gestalt Principles
Prototyping
Figma, Penpot
Languages & Frameworks
TypeScript, JavaScript, Python, Node.js, NestJS, Next.js, Nuxt.js, Vue.js, Astro, React Native, Electron
Styling & Components
Tailwind CSS, SCSS, shadcn/ui
Data & APIs
SQL, NoSQL, MongoDB, Prisma, APIs
Platforms & Services
Clerk (authentication), Payload CMS, Shopify
AI & Tooling
Claude Code, Cursor, Codex, MCP, RAG, Multi-Agent Orchestration, Agentic Workflows, Google Stitch
Infrastructure & Deployment
Expo, Docker, Coolify, Dokploy, Railway, Vercel
Source Control & Project Tools
Git, GitHub, Linear, Jira, Notion
Architecture
Clean Architecture, Modular Monolith, Universal TypeScript Stack