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christos C. — Mid-Level AI Architect and Developer from Greece

christos C.

Mid-Level AI Architect and Developer

Greece 6+ years
Open to offersNew to Platform
Languages
EnglishSpanish
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About

Christos C. is a seasoned Lead AI Architect at Biotz in Spain, where he focuses on developing advanced AI service solutions using Clojure native tools and Java interop, among others. His extensive experience spans roles such as Remote Clojure and Clojurescript Developer at Doseform, where he managed complex legacy systems and introduced new features employing technologies like PostgreSQL and Clojure Spec. While at Stichting NLnet in the Netherlands, Christos engineered differential privacy algorithms, advancing the use of genomic data with state-of-the-art privacy methodologies. Previously at TellusR and Emtec Corp., he specialized in data analysis and machine learning, crafting deep neural networks and innovative data visualization tools. His academic background includes a Ph.D. in Mathematics from the University of Málaga, enriching his expertise with a robust foundation in analytics and computational methods. Proficient in Clojure, Java, and data science frameworks, Christos is a leader in integrating complex technologies to support groundbreaking projects.

Experience

  • Lead AI Architect

    Biotz · 2024 — Present
    Engaged in the development of RAG and data science stacks utilizing Ring, Reitit, Malli, Reagent, Reframe, Langchain4j, Noj, and DLJ. Employed Clojure native tools, Java interop, and DJL (Deep Java Library), along with Julia, to build AI service solutions and conduct data analysis.

  • Remote Clojure and Clojurescript Developer

    Doseform · 2022 — 2024
    Managed a large and complex legacy codebase while introducing new functionalities. Leveraged technologies such as Ring, Pedestal, Reagent, Reframe, Garden, Mount, and PostgreSQL with JSON EAV, in addition to Clojure Spec.

  • Research & Development Engineer (Differential Privacy)

    Stichting NLnet · 2021 — 2022
    Created advanced differential privacy algorithms using C++ and Racket, integrating variation graphs with genomic and mobility data while adhering to differential privacy principles. The project was open-sourced and funded by the NGI0 Discovery Fund.

  • Remote Data Analyst and Developer (Clojure & Kotlin)

    TellusR · 2021 — 2022
    Engineered algorithms and developed plugins for Apache Solr to improve scoring functions, incorporating backend, natural language processing, and mathematical principles using Clojure and Kotlin.

  • Remote Clojure & ClojureScript Developer and ML specialist

    Emtec corp. · 2018 — 2021
    Designed a Deep Neural Network (DNN) in Python using TensorFlow for indirect CO2 emission regression, ensuring a robust data workflow through Clojure interop. Facilitated integration with R for PCA and statistical insights while utilizing Pandas for data preprocessing of pressure, speed, and torque data. Additionally, developed a contact tracing application using Clojure, ClojureScript, Helix (React), JSerialComm, and Qpid-JMS.

  • Remote Clojure & ClojureScript Developer

    Dive networks · 2017 — 2019
    Enhanced web applications utilizing the Twitter API and React.js, incorporating Reagent/Re-frame and CSS Garden.

  • Remote ClojureScript Developer

    Upwork · 2017 — 2018
    Developed a web and mobile application using React and React Native, specifically with Reagent/Re-frame. Contributed to the creation of an HTML correlation graph generator for a TinkerGraph based graph DB.

  • Clojure & ClojureScript developer

    Kinems · 2017 — 2017
    Implemented Ring authorization and authentication protocols with Buddy and Hugsql. Developed a data manipulation engine based on Elastish and contributed to the development of tools for automatic deployment of Unity games.

  • Freelance developer

    Self Employed · 2016 — 2017
    Engaged in various development projects as a freelance developer.

  • Personal Tutor

    Self Employed · 2014 — 2016
    Provided tutoring services across various subjects.

  • Teaching Assistant

    University of Crete · 2006 — 2008
    Assisted in educational activities within the university setting.

Skills & Expertise

AI and Data ScienceAI EngineerData ScientistMachine Learning EngineerData AnalystBackend Developer

Education

  • Ph.D. In Mathematics - Complex And Harmonic Analysis
    University of Málaga · 2010 — 2013
  • MSc in Mathematics
    University of Granada · 2009 — 2010
  • MSc in Pure and Applied Mathematics
    University of Crete · 2007 — 2007
  • BSc in Mathematics
    University of Crete · 2001 — 2007