Summary
Overview
Work History
Skills
Software
Timeline
Languages
Side Projects
SoftwareDeveloper

Radomil Janicek

Software Developer
Bánov

Summary

Skillful and reliable software developer with passion for coding. Dedicated to developing and optimizing interactive, user-friendly and feature-rich projects. Leverage analytical skills and strong attention to detail in order to deliver original and efficient solutions, provide technical knowledge and expertise, build new applications from start to finish, and successfully work with a team of developers.

Overview

4
4
years of professional experience
3
3
Languages

Work History

Java Developer

Monet+ (ČSOB)
09.2024 - 09.2025

Java, Kotlin, Spring Boot, Micronaut, Hibernate, JOOQ, Swagger, RabbitMQ, Kafka

  • Architected applications for processing financial transactions.
  • Designed RESTful endpoints with dedicated database integration.
  • Consulted on API specifications and integration decisions.
  • Collaborated with team members to guide technical direction.
  • Implemented accurate calculations for various transaction data.
  • Delivered scalable solutions for payment workflows in a banking environment.

Java Developer

UpSlovensko
07.2023 - 08.2024

Java EE, Spring Boot, Hibernate, Swagger, RabbitMQ

  • Maintained old codebase with Java 8, XHTML and raw Java.
  • Worked on Spring Boot applications.
  • Reviewed code and debugged errors to improve performance.
  • Adjusted design parameters to incorporate new features.
  • Applied scripting knowledge to supplement Java development.
  • Collaborated in team-based, Agile environment to accomplish objectives by deadlines.

Java Developer

DataBreakers (Groupon, Alza)
06.2023 - 08.2024

Java, Spring Boot, Hibernate, Swagger, Microservices, Kubernetes

  • Worked for mission-critical recommendation systems for clients like Groupon, Alza, FootShop and other big names.
  • Adjusted design parameters to incorporate new features.
  • Applied scripting knowledge to supplement Java development.
  • Collaborated in team-based, Agile environment to accomplish objectives by deadlines.
  • Worked with microservices and self-managed Kubernetes.
  • Created and maintained Spring Boot applications.

Java Developer

Deinceps Peritum
03.2023 - 06.2023

Java EE, Jakarta, Hibernate

  • Reviewed code and debugged errors to improve performance.
  • Wrote, modified and maintained software documentation and specifications.
  • Wrote and maintained Jakarta backend API's for various tasks revolving around NFTs and Cryptocurrencies.
  • Researched new technologies for use in website projects.
  • Reworked applications to meet individual customer demands.
  • Set up scripts, test case and automation protocols.


Note:

Short-lived position due to volatile nature of the Cryptocurrency market and their continuous restriction in the United States.

Kotlin Developer

Astana Digital (Partners Banka)
09.2022 - 03.2023

Kotlin, Spring Boot, Hibernate, Swagger, PostgreSQL

  • Tested programs and databases to identify issues and make necessary modifications.
  • Designed, developed, and implemented software applications for website based on analyzed requirements and understanding of industry technical standards.
  • Developer Spring micro-services in Kotlin for various needs of banking systems.
  • Designed reusable and reliable code for use within distributed cloud environments.
  • Translated customer requirements into written use cases.

Fullstack Developer

CCA Group A.s.
07.2022 - 12.2022

Java, Spring Boot, Hibernate, Swagger, AngularJS (TS)

  • Reviewed code, debugged problems and corrected issues.
  • Developed unit test cases for testing and automation.
  • Participated in requirements gathering to solidify prerequisites and determine best technical solution to meet business needs.
  • Worked with back-end developers to design APIs.

Fullstack Developer

KCTData S.r.o. (Škoda Auto)
01.2022 - 07.2022

Java, Spring Boot, Hiberante, Helm, PostgreSQL

  • Designed, developed and serviced several projects for Škoda Auto.
  • Managed development milestones from initial steps through final delivery.
  • Consulted with engineering team members to determine system loads and develop improvement plans.
  • Corrected, modified and upgraded software to improve performance.

Backend Developer

ZENTITY a.s.
09.2021 - 11.2021

Java, Micronaut, Hibernate

  • Designed, developed and implemented software applications for website based on analyzed requirements and understanding of industry technical standards.
  • Participated in performance analysis, design, development and testing.
  • Developed robust Java code for Spring applications.
  • Participated in requirements gathering and design development meetings.

Technik

Miracle Network
06.2021 - 08.2021
  • Used critical thinking to break down problems, evaluate solutions and make decisions.
  • Exceeded goals through effective task prioritization and great work ethic.
  • Demonstrated respect, friendliness and willingness to help wherever needed.
  • Maintained excellent attendance record, consistently arriving to work on time.

Skills

Self-motivated professional

Software

Kotlin

Java

Git

Linux

JavaScript/TypeScript

Timeline

Java Developer

Monet+ (ČSOB)
09.2024 - 09.2025

Java Developer

UpSlovensko
07.2023 - 08.2024

Java Developer

DataBreakers (Groupon, Alza)
06.2023 - 08.2024

Java Developer

Deinceps Peritum
03.2023 - 06.2023

Kotlin Developer

Astana Digital (Partners Banka)
09.2022 - 03.2023

Fullstack Developer

CCA Group A.s.
07.2022 - 12.2022

Fullstack Developer

KCTData S.r.o. (Škoda Auto)
01.2022 - 07.2022

Backend Developer

ZENTITY a.s.
09.2021 - 11.2021

Technik

Miracle Network
06.2021 - 08.2021

Languages

Czech
Excellent
Slovak
Excellent
English
Very Good

Side Projects

Fullstack Developer | Wisp.gg 

July 2023 - February 2024

  • Developed a Game Panel to streamline management processes for businesses offering Game Servers, enhancing operational efficiency.
  • Spearheaded global communications in English, collaborating with international teams and stakeholders.
  • Engineered micro-services using Spring Boot to handle user authentication, account management and billing.
  • Implemented PHP services to manage Docker containers used for running game servers.
  • Administered multi-tenant, distributed database systems, optimizing for low-latency and high-efficiency operations.
  • Crafted user interfaces with VueJS to improve user experience and engagement, leading to increase in user satisfaction.


Fullstack Developer | Xephia.eu 

August 2021 - January 2024

  • Development and maintanance of hosting service for Game Servers, Voice Servers, VPS and Dedicated Servers.
  • Development of ReactJS and Spring based web applications.
  • Developing services in Java, Kotlin, PHP, GoLang and scripts in Bash and Python.
  • Servicing several Linux machines that maintain nonstop hosting service and prevent failures.

 

Fullstack Developer | DiamondCrew.cz 

June 2019 - October 2022

  • Managed network of Game Servers with over 20,000 active users.
  • Development for game servers and various gaming platforms.
  • Web Spring projects to connect platform like Twitch/YouTube/Discord with centralized user accounts.
  • Developement of JavaScript (ReactJS) applications for Web UI.
  • Working with various APIs, such as Spigot API, Discord API or Twitch and YouTube AP
Radomil JanicekSoftware Developer