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Felix ChanthapanyaFC

Felix Chanthapanya

Backend Developer | Node.js | 7+ years of experience

€650/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Felix

Senior Node.js backend developer – 7+ years of experience.

🔹 Stack: Node.js, JavaScript, PostgreSQL, Objection.js, Express.js, Docker, CI/CD, TDD, AWS
🔹 Expertise: High-performance APIs, DB optimization, scalable architecture
🔹 Approach: Clear, maintainable code, functional programming oriented

Available for remote (Europe/France) or on-site in Paris.
I have been working in full remote with international teams for 3 years.

📍 Goal: to support companies in the design, evolution, and industrialization of their backend platforms.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • CitizenPlane.com
    Lead Backend Developer
    TRAVEL AND TOURISM
    January 2021 - January 2024 (3 years)
    Paris, France
    CitizenPlane is a B2B platform that allows airlines to connect and distribute their inventory instantly (Skyscanner, Kayak, eDreams, Kiwi.com, etc.).

    Team: 6 developers, 1 Data Engineer, 1 DevOps Engineer
    Progression: Freelance → Backend Developer → Lead Backend Developer (after 1 year)

    - Implementation of automated integration tests for critical functionalities
    - Removal of obsolete code and refactoring
    → Result: notable reduction in bugs and production incidents

    - Standardized service to facilitate the integration of partner APIs
    - Flight booking and aggregation services
    → Result: reduction in partner integration time from several weeks to a few days

    - Implementation of a centralized logging and error reporting system
    - Generalization of automated testing (TDD)
    - Definition of production standards (code reviews)
    → Result: decrease in the number of bugs and faster resolution of production incidents

    Technical Management: Support and skill development for backend developers
    Node.js JavaScript Amazon Web Services Objection.js Typescript
  • TRIBrating (Euler Hermes)
    Fullstack Developer
    BANKING AND INSURANCE
    June 2019 - May 2020 (11 months)
    Paris, France
    Tribrating (subsidiary of Euler Hermes) is a financial analysis tool for assessing the risks of SMEs.
    Team: 7 developers, 1 DevOps Engineer, 1 UX designer, 1 Product Owner

    Migration to AWS – Serverless
    - Transition to AWS Lambda and API Gateway -
    - Automation of deployments (infrastructure as code)
    - Transition to PostgreSQL, DynamoDB, and AWS S3
    - Strengthening of security and data protection (cybersecurity)
    → Result: cost reduction and faster deployments

    Quality & Practices
    - Implementation of continuous integration and deployment (CI/CD)
    - Adoption of automated testing (TDD)
    Introduction of code reviews and agile methodology
    → Result: improvement in platform stability and reduction of errors in production

    Frontend Development (Vue.js)
    - Implementation of visual mockups provided by the UX designer
    - Definition of interface standards (colors, typography, interactive components)
    - Development of a spreadsheet tool to facilitate manual processing of very large files
    PostgreSQL Amazon Web Services AWS Lambda DynamoDB Vue.js
  • Kima Ventures
    Fullstack Developer
    PRIVATE EQUITY
    September 2017 - March 2018 (6 months)
    Paris, France
    Kima Ventures is a Parisian investment fund that invests in over 100 startups per year.
    Team: 2 fullstack developers

    Product Development
    - Internal tool for analyzing investment proposals
    - Tool for monitoring the performance of funded startups

    Main tasks:
    - Dashboard development
    - Development of deal flow monitoring tool onboarding
    - Development of an email notification system with AWS Lambda
    AWS Lambda AWS NodeJS React.js Express

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