Java Developer

Zkušený seniorní programátor backendu v jazyce Java se zkušenostmi v ekosystému Java/Spring Boot, vývoji databází PostgreSQL a návrhu technických řešení. Zkušenosti s údržbou aplikací, opravou chyb a neustálým zlepšováním. Zběhlý v testech JUnit a Mockito pro zajištění kvality. Silné zázemí v oblasti fullstack vývoje, správy infrastruktury a migrace na platformu AWS. Rozsáhlé zkušenosti s vývojem v jazyce Java, návrhem architektury a nasazením škálovatelných backendových systémů.

Senior Java Backend Programmer FEB 2023 - Currently Designed and implemented backend services in the Java/Spring Boot ecosystem as part of large-scale software solutions. Contributed to technical solution design based on customer requirements. Maintained applications through bug fixing, refactoring, and continuous improvements. PostgreSQL database development - schema design, query optimization, and integration with Spring Data. JUnit and Mockito tests for testing and application quality assurance. Prepared and updated technical documentation to support development and maintenance processes. Evaluated architectural options and collaborated with the lead architect to ensure efficient and correct solution design. Participated in code reviews and followed best practices supported by Jenkins, Git flow, GitLab, and SonarQube. Worked with technologies including Java, Spring Boot, and supporting tools such as IntelliJ IDEA, JIRA, Github Actions, AWS and Confluence.

Senior Java/Groovy Developer MAR 2020 - JAN 2024 Fullstack development - java, groovy, postgresql, javascript, vuejs, nodejs. Infrastructure administration - docker, aws, linux server administration. Deployment of docker containers and creation of images. Migration to AWS platform. Upgrade and installation/deployment of linux servers (debian) - including nginx loadbalancer, apache loadbalancer, postgres database server. Migration of backend systems. Maintenance of subversion repositories. Greenfield projects - documentation of processes, requirements and analysis of said requirements. Integration of internal systems into 3rd party payment systems. Bash programming.

Angular/Java Fullstack Developer MAR 2019 - APR 2020 Development of internal application for project assessment. Implementation of front-end and back-end based on previous application (written in angularjs/node).

Java Developer JULY 2017 - MAR 2019 Development of angular web applications (video streaming and payment portals), microservices deployment and backend system maintenance (Debian linux servers).

Java/PHP Developer SEP 2016 - MAY 2017 Java development and architecture design. Implementation and development of scalable backend for frontend, backoffice and mobile versions of application.

Software Engineer/Developer OCT 2015 - DEC 2016 Java/PHP backend development. Datawarehouse solution development for enterprise clients. End to end EDI process implementation. Redhat Linux administration.

Java Developer DEC 2013 - JUNE 2015 Java/PHP backend developer. Datawarehouse implementation. Linux server administration. Backend architecture design and implementation.

Developer AUG 2010 - DEC 2013 Project management. Datawarehouse implementation. Data processing automation. Application development (Java, PHP, MSSQL integration).

Developer AUG 2009 - JULY 2010 PHP/HTML/Java developer. Java backend development and backend architecture design and implementation. Linux/MySQL/MSSQL server administration.

Developer MAR 2008 - JULY 2009 VB application development. Data processing automation. DB2 database administration.

Java Developer FEB 2007 - MAR 2008 Code testing. Feature implementation and development.