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Peter HadhaziPH

Peter Hadhazi

Java Backend Developer

€360/day
Budapest, HU
15+ years

Average response time: 1 hour

About Peter

Summary
Dedicated and highly skilled Software Developer with 17 years of experience in the design, implementation, and maintenance of enterprise banking and digital rights management solutions. Skilled in Java, Angular, Vaadin, REST and SOAP services, Spring AI/MCP server and proficient in working within complex environments and Agile teams.

Technical Skills

Programming: Java, SQL

Frameworks & Technologies: Angular, Vaadin, REST, SOAP, Graphql, Spring, Spring Boot, Spring AI, MCP server, Swagger, JBoss, MyBatis, Hibernate, Lucene, AWS S3, AWS CDK

Databases: Oracle, MS SQL, H2
Tools & Build Systems: Docker, Kubernetes, Ant, Ivy, Gradle, Maven, Jenkins, Github Actions, Nexus, CVS, SVN, Git, Bitbucket, FindBugs, SpotBugs, PMD, Macker, Checkstyle, Flyway, Apollo router

Tests: JUnit, Selenium, SoapUI, Postman

Project Management Tools: Jira, Confluence, Bitbucket
  • English

    Fluent

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • Quantum Health
    Software Developer
    DIGITAL AND IT
    August 2025 - February 2026 (6 months)
    Budapest, Hungary
    • • Designed and implemented a Spring-based Model Context Protocol (MCP) server module to access to the GraphQL-based capabilities.
    • • Optimized data access performance by migrating stored procedures to SQL queries, significantly improving response times and maintainability.
    • • Developed and maintained GraphQL API integrations within a Java/Spring Boot ecosystem, supporting cross-team data consumption.
  • Crosskey Banking Solution Ltd
    Software Developer
    DIGITAL AND IT
    August 2024 - August 2025 (1 year)
    Sweden
    08/2024 – 08/2025 (13 months), Sweden
    Project: POP Bank
    • I have implemented the Angular based frontend of the Credit Origination module for POP Bank which provides functionalities for the credit decision, credit preparation and loan workflows.
    • Implemented REST services for Credit Origination, Credit Decision, and Core Bank backend services.
    • Implemented JUnit and Postman test cases.

    08/2020 – 07/2024 (48 months), Sweden
    Project: Chili Bank and Open Banking
    • Developed Vaadin-based Credit Origination module for Chili Bank.
    • Implemented REST services for Credit Origination and Credit Decision services.
    • Created JUnit and Postman test cases.
    10/2019 – 07/2020 (9 months), Finland
    Project: Open Banking
    Description: The Open Banking projects goal is to provide REST based functionalities to give access to various banking data to the customers of the bank
    • Migrated Customer Document, Customer Agreement and Cloud Archive modules from Spring to Spring Boot.
    • Created AWS CDK deployment configurations for Cloud Archive module.
    • Developed Swagger Oauth2 REST services and implemented JUnit/Postman test cases.
    03/2018 – 09/2019 (18 months), Finland
    Project: Cloud Archive
    Description: The Cloud Archive module provides Amazon Cloud based document storing functionalities to store documents and agreements.
    • Designed and implemented AWS-based Cloud Archive service.
    • Created SOAP backend services and implemented data migration from legacy databases.
    04/2016 – 02/2018 (22 months), Finland
    Project: ESL & AML/KYC
    Description: The electronic signing of loans functionality is required and used by the Netbank and Cview applications to view and manage loans of the customers.
    • Developed Vaadin-based user interfaces and implemented SOAP backend services for loan management and KYC.
    04/2016 – 09/2016 (5 months), Finland

  • P92 IT Solutions Kft.,
    Software Developer
    DIGITAL AND IT
    August 2009 - August 2014 (5 years)
    Budapest, Hungary
    10/2010 – 06/2014 (44 months)
    Project: CARMA (Sony Music)
    • Developed the Contract and Rights Management Applications backend services.
    • Created REST services and implemented OCR capabilities.
    • Refactored and implemented new features for departments across the UK and US.
    08/2009 – 09/2010 (13 months)
    Project: GLORES (Global Release Scheduling System)
    • Created batch processing and database optimization services for Global Release Scheduling System.

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Education

  • M.Sc.
    M.Sc.
  • Driving
    Driving

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