Martin Sykora

Erwin Hymer Group

• Led an initiative and full-scale refactoring of a legacy enterprise service into a modular solution using Clean Architecture principles.
• Designed and implemented robust RESTful APIs to serve both frontend applications and other backend services.
• Introduced a streamlined developer onboarding process by documenting critical workflows, creating docker-compose setups for all dependent services (PostgreSQL, Keycloak, ...), and using TestContainers to eliminate local setup requirements for testing and development.
• Integrated automated testing into GitLab CI/CD pipelines and advocated for containerized environments, successfully driving customer adoption of Docker across the development workflow.

Used technologies:

Java / Spring Boot 3 / Swagger / OpenAPI / Flyway / git / JIRA / Sonar / jUnit / Mockito / Testcontainers / etc.

GK Software

Developed and maintained microservices for retail clients such as Aldi and Lidl, enhancing payment and self-scanning systems.

• Microservices Development: Contributed to the development and maintenance of a suite of microservices tailored for retail operations, ensuring desired functionality and reliability.
• POC for VR-pay Integration: Participated in a proof of concept (POC) project allowing tablet-based store purchases. Implemented communication protocols, developed business logic, and performed comprehensive unit and end-to-end testing.
• Spring Boot Standardization: Upgraded a microservice used for self-scanning stores to adhere to Spring Boot standards, addressing and correcting numerous violations to improve maintainability and compliance.

Used technologies:

Java / Spring Boot 2 / OpenAPI / git / JIRA / Sonar / jUnit / Mockito / WireMock / Testcontainers / etc.

Software engineer @ Rohlik.cz

05/2019 - 09/2023

As a member of the team in this highly dynamic company I:

• Developed and maintained Java-based microservices using Spring Boot 2, Swagger, Flyway, QueryDSL, Redis, and RabbitMQ, resulting in an efficient and scalable system.
• Created REST APIs and consumed REST APIs of third parties, ensuring seamless integration between systems.
• Led the development and maintenance of a microservice responsible for integrating third-party services into the company's system, resulting in a substantial decrease in integration time and expanded product offerings for customers.
• Contributed to several other microservices, implementing new features, fixing bugs, and improving system performance.
• Contributed to the team's technical and process improvements, including using Git for version control, JIRA for project management, Sonar for code quality monitoring, and unit and integration testing with JUnit, Mockito, WireMock and Testcontainers.
• Worked in an Agile environment, participating in daily stand-ups, retrospectives, refinements, and quarterly planning sessions, demonstrating strong collaboration and communication skills.
• Maintained a deep understanding of the business goals and objectives of the company and leveraged this knowledge to guide development efforts and ensure alignment with company strategy.

Used technologies:

Java / Spring Boot 2 / Swagger / Flyway / QueryDSL / Redis / RabbitMQ / ArgoCD / GCP / k9s / git / JIRA / Sonar / jUnit / Mockito / WireMock / Testcontainers / etc.

Software engineer @ WPA

11/2018 - 04/2019

Created an application that helps with the production planning of thousands of parts per month. Interfacing with the customer's internal IS using Kooby (Kotlin module for Jooby) and Swagger.

Used technologies:

Kotlin / OptaPlanner / git

US BANK

09/2018 - 03/2019

Implementation of steps, flow and UI

Ziraat Bankası

01/2018 - 08/2018

Implementation of steps, flow and UI for Credit Card Pay for Others transaction and other transactions.

OCBC Bank

03/2017 - 12/2017

Implementation of steps and flow for Coins & Notes Deposit transaction

Ziraat Bankası

02/2017 - 03/2017

Implementation of HostProtocol overlay in order to translate xml messages into json and vice versa. Mentoring of junior developers.

HSBC HongKong

09/2016 - 12/2016

Implementation of functions for HostProtocol Framework

PNC Bank

03/2015 - 08/2016

ProCash DDC with Flow Extensions application modification, I18N