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Jan ToegelJT

Jan Toegel

Lead Software Engineer

€680/day
Luzern, CH
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jan

  • Czech

    Native or bilingual

  • German

    Fluent

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • SIX Group AG,
    Fullstack Developer & AI Research
    BANKING AND INSURANCE
    February 2023 - October 2023 (8 months)
    Zürich, Switzerland
    • Developed various frontend & backend components in payments using Java 17 Spring Boot, Angular 14, REST API, IntellJ, GitBucket, OpenShift.
    • Research on various LLM use-cases in payment processing: chat bot for internal & customer knowledge bases.
    LLM Fine-tuning Java Spring Boot Rest-API Angular
  • UBS,
    Lead Developer & Architect
    BANKING AND INSURANCE
    August 2020 - January 2023 (2 years and 5 months)
    Zürich, Switzerland
    Planning & Staffing: Built and scaled cross-functional team by hiring and guiding Developers, Testers, andBusiness Analysts.
    Technical Leadership: Directed design, architecture, and implementation of front- and backend componentsin payment systems, leveraging
    Java/Kotlin Spring, JSP, SOAP/REST APIs, and GitLab.Key

    Projects:
    • EBICS Web Client – Architected and developed a full-stack web application (Vue3, Kotlin Spring, REST)enabling secure communication between customer and partner banks.
    • Digital Invoicing Pricing Engine – Designed and delivered a transaction pricing application for billers (JavaSpring, JSP, REST).
    • ISO 20022 Repayment Process – Led design and requirement analysis, ensuring compliance withinternational standards.
    • Payment Format Integration – Authored mapping specifications bridging XML ISO20022, SWIFT, and proprietary formats, streamlining payment interoperability.
    Rest-API Agile Leadership Kotlin Java Spring Boot
  • UBS,
    Fullstack Developer & Lead Business Analyst
    BANKING AND INSURANCE
    July 2018 - July 2020 (2 years)
    Zürich, Switzerland
    Lead development and analysis of core frontend and backend components in payment systems usingJava/Kotlin Spring, JSP, SOAP/REST APIs, GitLab, and Oracle PL/SQL.
    Key projects:
    • Automation Tool for File-based APIs – Designed and led development of an asynchronous file APIautomation framework for end-to-end testing of EBICS and ISO20022 payment APIs (Java, Spring, POI)
    • Payment Status Integration – Built integration module for payment status management (Java Spring, MQ,SOAP, Oracle PL/SQL)
    • Payment Format Standardization – Led mapping specifications across XML ISO20022, SWIFT, and proprietary/internal formats
    • SWIFT GPI for Corporates – Conducted analysis for global payment innovation (GPI) to enable corporatepayment tracking
    • Package-based Pricing – Designed and implemented package-pricing models for e-banking and multibankingcustomers
    • SFTP Channels – Led analysis of push/pull SFTP integration channels for customer communicationQR-Bill Migration – Directed analysis and implementation of QR-Bill as a replacement for ESR payment slips

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Education

  • Life Coaching Certification
    Life Coaching Training Institute
    2025
    Training for life coaching of individuals and groups.
  • PyTorch for DeepLearning
    Udemy inc.
    2025
    PyTorch for DeepLearning

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