11/04/2026 updated

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Senior Fullstack & AI Engineer | NestJS, React, GraphQL, Agentic AI

Heraklion, Greece
Only remote
Bachelor of Science in Computer Science, University of Crete (2018-2022)
Heraklion, Greece
Only remote
Bachelor of Science in Computer Science, University of Crete (2018-2022)

Profile attachments

Resume_2026.pdf

About me

Senior full-stack engineer shipping production software since 2018, fully remote since 2020. TypeScript, Node.js/NestJS, GraphQL, PostgreSQL, React/Next.js, AWS serverless, and LLM/agentic AI (RAG, vector DBs, multi-agent). Based in Heraklion, Greece, EU work rights. Contracting via CodeGraph.

PostgreSQLNode.jsNext.jsReact.jsAWS LambdaFull Stack DevelopmentGraphQLReact NativeApi DesignNestJSRestful Api
Core: TypeScript, JavaScript, Node.js, NestJS, GraphQL (Apollo), Express, React, Next.js, PostgreSQL, TypeORM, Prisma, MongoDB, AWS serverless (Lambda, SQS, S3, SES), REST API design, Stripe and payments, third-party APIs (Meta, TikTok, Salesforce, Magento, Zoho, Gmail, Slack), LLM applications (OpenAI, OpenRouter, RAG, vector DBs, prompt engineering, agents with tool use), Tailwind. Also: Vue/Nuxt, React Native, Redis, Docker, GitHub Actions, GitLab CI, MySQL, Kafka, MQTT, i18n, multi-tenancy, team lead.

Experience

Professional experience5 - 10 years
Freelancer since2025

Languages

EnglishFluentGreekNative speakerSerbianNative speaker

Project history

Founder & Lead AI Engineer

Secret Muse
Built Secret Muse, an AI product (native iOS app and NestJS/GraphQL API) where users chat with agents across dedicated spaces. Designed the full agentic pipeline, orchestration, space classification, engagement strategy, and a multi-step agent loop with tool use. Engineered a long-term memory and knowledge-retrieval layer using vector databases for RAG. Built multi-modal ingestion (voice, images, documents, links, places) that auto-compiles content into curated boards via a generator-critic loop. Stack: NestJs, GraphQL, TypeORM/Postgres, OpenRouter, AWS Lambda/SQS/S3, SwiftUI, Apollo iOS client.

Fullstack Developer (Contractor)

NetMechanics
Contract fullstack developer for NetMechanics, a digital-solutions and eCommerce agency. Built and maintained projects across multiple clients, from WordPress e-commerce stores to landing pages. Built AI-automation products for copywriting and social-media content serving 180+ clients. Developed with Next.js, React, and NestJs with deep Zoho integrations.

Founding Engineer & CTO

Ten06
Founding engineer and acting CTO at Ten06, a travel-technology company building AI-driven booking and trip-planning platforms for the tourism industry. Owned products end-to-end from ideation to deployment and maintenance. Built Botes, a flexible multi-service booking platform with API orchestration across B2B and B2C channels. Built Atlon, an agentic-AI travel platform for tour operators and DMCs. Managed a team of two engineers, led infrastructure migration to cloud, and drove company recognition including two GOLD Tourism Awards (2025, 2026) and 15+ clients.

Fullstack Developer

Creator marketplace
Creator marketplace with over 100,000 creators: matchmaking search, Meta Smart Ads, SEO pages in Next.js, Stripe subscriptions, Meta and TikTok APIs. React, NestJS, GraphQL.

Fullstack Developer

Tailored & It's Genie
Co-led a personalized AI sales product (Tailored) to improve customer conversion, co-designing the architecture and product flow with test-driven development. Built an API to gather and analyze customer data, led prompt engineering and version management to optimize LLM outcomes. Lead developer on Its Genie, a customer-feedback capturing tool that parses Gmail and Slack data, organizes customer feedback, and generates weekly and daily reports, analyzing over 5,000 emails during onboarding.

Founder & CTO

JustBookMeNow
Independently built and launched JustBookMeNow, a B2B booking SaaS where companies subscribe to get a dedicated booking system and personalized page. Built and ran it entirely solo, owning the full development process, marketing strategy, Google ad campaigns, and performance tracking. Developed with React, Tailwind, Apollo, NestJS, TypeScript, GraphQL, Next.js, AWS serverless functions, and Stripe.

Senior FullStack Developer

Brave
Developed projects using Docker and was responsible for deploying them. Lead developer for Suzuki Auto and Suzuki E-commerce platforms. Lead developer and architect for the Bootes API platform for ferry companies. Solely responsible for maintenance and development of new features for Minoan, including multi-language support, Klarna payment integration, and Google GA4 and Meta Pixel analytics. Worked on TrillionCMS, a general-purpose CMS with dynamic content translation, SEO optimization, and email templates.

Researcher & Developer

University of Crete (Thesis)
Research and development of a backend service integrated with the Blockchain and development of a Proof-of-Location smart contract. Developed using NodeJS, AWS, Express, and MongoDB to certify that a picture was taken at a specific location without alteration. Utilized Ethereum blockchain for data immutability and generated QR codes for certified images.

Backend and Software Developer

Conveos
Lead developer for a CLI NodeJS application (Autogen) that generated entire APIs, tests, and postman collections from a YAML definition. Co-led creation of a NodeJS application (Eligo) supporting thousands of users with AWS, Magento, Salesforce, Daily, and MongoDB. Integrated NFT-Gallery with the blockchain. Developed a NodeJS application (Proxim-ai-api) supporting millions of calls with Firebase, AWS, Keycloak, Kafka, and MQTT. Worked on five additional projects during internship, including AWS SES/S3 configuration, dockerization, and training backend interns.

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