Freelancer profile translated to English.

Description

Senior Java Developer with a focus on backend systems, microservices, and cloud. I have been developing custom software solutions for enterprise clients for over 6 years – from API conception to deployment. Currently, I am responsible for the backend architecture of a sustainability platform for the automotive industry: authentication concepts, external API integrations, Java 21, and Quarkus on Azure. I work calmly, structurally, and take responsibility – even when things get complex.

Skills & Knowledge:

Backend Development

Java (incl. Java 21), Spring Boot, Quarkus, REST API Design, OpenAPI/Swagger, Microservice Architecture, API Integration, Authentication Concepts (OAuth2/JWT)

Databases & Persistence

PostgreSQL, MySQL, JPA/Hibernate, Quarkus Panache, SQL, Database Modeling

Cloud & Infrastructure

Microsoft Azure, AWS (basic knowledge), Docker, Kubernetes (basic knowledge), CI/CD with GitLab CI & Jenkins

Build & Quality

Maven, Gradle, JUnit, Unit & Integration Tests, Code Reviews, Clean Code, Design Patterns

Methods & Collaboration

Scrum, Kanban, Requirements Analysis, Technical Coordination, Mentoring, Architectural Decisions

Industries

Automotive Industry (ESG/Sustainability Platforms), Enterprise Software, Systems Engineering

Industry field of expertise

Languages

German
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Wuppertal (up to 50km)

Dataciders QuinScape GmbH
Senior Software Developer
DIGITAL AND IT
July 2022 - Today (4 years and 1 month)
Contribution to the planning, development, and further enhancement of custom software solutions in the enterprise environment. Focus on Java backend systems, API infrastructures, and cloud-native architectures.

● Development and enhancement of Java backend systems with Spring & Quarkus
● Conception and implementation of REST APIs
● Participation in architectural decisions and technical planning
● Quality assurance through Clean Code, reviews, and unit tests
● Technical coordination in an agile project environment (SCRUM)
● Support with deployment and container topics (Docker)
JavaScript Java GitHub Docker Unit Testing
Böhme und Weihs GmbH und Co. KG
Junior Software Developer
SOFTWARE PUBLISHING
February 2019 - June 2022 (3 years and 5 months)
I support the further and new development of Spring Boot microservices. This includes tasks such as secure login, authentication, cloud deployment with Docker, and repository management via Git. Since I work in a very small team, it is important to plan and coordinate tasks correctly. Therefore, I took responsibility for various projects early on and became the contact person for the mentioned areas.

Be the first to recommend Lukas

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

IT Specialist for Application Development
Cuno-Berufskolleg Hagen
2019
C#, C++, Java, Angular, Grails, Spring Boot, Spring Web, OOP
State-certified Assistant for Computer Science
Berufskolleg am Haspel
2016

Lukas M.

Senior Java Developer | Enterprise Backend

About Lukas

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories