Freelancer profile translated to English.

Description

Experienced Software and Cloud Architect with over 30 years of experience, specializing in Java backend development for enterprise and financial systems. Proven expertise in designing scalable architectures, leading complex cloud migrations, and building secure, highly available solutions on AWS. Deep knowledge of Linux environments, DevOps pipelines (GitLab CI/CD, Docker, Kubernetes), and backend frameworks like Spring Boot and Quarkus. Experience with SQL and Oracle databases, and capability for full-stack contributions using Angular and older frontend frameworks. Fluent in German and English, with a customer-oriented and delivery-focused mindset.

Languages

Hungarian
Native or bilingual
German
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Bern (up to 50km)

SCMC Swiss Cybersecurity Management Centrum GmbH
Founder / Solutions Architect
DIGITAL AND IT
November 2025 - Today (9 months)
Zurich, Switzerland
Design and implementation of an online platform for Cybersecurity Management:
Full lifecycle development of web applications with VueJS.
Development of the backend based on Quarkus Native.
Implementation of complete CI/CD processes for deployments on AWS with serverless solutions.
CI/CD Serverless Quarkus Vue.js AWS
K-I-Soft Kehrsatz GmbH,
Founder / Solutions Architect
SOCIAL NETWORKS
September 2024 - October 2025 (1 year and 1 month)
Bern, Switzerland
Design and implementation of a social app:
Full lifecycle development of mobile apps with React Native and Expo.
EAS build and deployment using Expo.
Development of the backend based on Quarkus Native.
Implementation of complete CI/CD processes for deployments on AWS with serverless solutions.
AWS Quarkus React Native Mobile application Expo
Randstad Digital Switzerland AG (Ausy Technologies),
Senior Cloud Solutions Architect
DIGITAL AND IT
November 2021 - November 2024 (3 years)
Zurich, Switzerland
Establishment of AWS Partnership at Select level
Integration of Vault for secure management of secrets and sensitive data.
DevOps support for customer developers to optimize processes and solutions.
Design and implementation of comprehensive application migrations to the AWS cloud
Migration of Oracle Enterprise from an on-premises environment to Amazon RDS (SE).
Transition of 17 J2EE modules from WebSphere Application Server to Payara Micro in ECS Fargate.
Migration of a Windows Server to ECS Fargate for Windows.
Optimization of ECS Fargate by using ARM architecture, reducing costs and CO₂ emissions.
Introduction of an API Management system for third-party access to AWS
Implementation of an Authentication@Edge solution with CloudFront, Cognito, and Lambda@Edge.
Integration of GitLab Runners on ECS Fargate
Development and deployment of a dynamic SSH tunnel-based Jumphost solution on ECS Fargate. Creation and demonstration of Proof of Concepts
Implementation of static server hosting with CloudFront and S3.
Utilization of CodeBuild and CodePipeline for Infrastructure as Code (IaC) deployment.
Creation of an API Gateway PoC with Terraform and OpenAPI.
Deployment of a developer portal with CodePipeline.
Setup of VPN-based connectivity between AWS and the on-premises data center.
Design and implementation of a serverless application on AWS
Implementation of Lambda functions using Java and Quarkus.
Kubernetes-based application deployment on AWS
Deployment of Helm Charts in conjunction with Terraform for efficient and scalable deployments.
Provision of technical support for sales and marketing teams.
Planning and implementation of cloud architectures for efficient and scalable solutions.
Technical consulting for the use and optimization of public cloud services.
Java AWS Serverless Kubernetes Gitlab