Freelance Cloud Software Engineer

Project focus: backend development for a portal for test drive bookings

Client: (not disclosed for privacy reasons) same as above

Project period: 03.2022 – 10.2022

Role in project: full-stack developer / DevOps engineer

Industry: automotive

Further development of a portal for booking test drives for end customers by the company's dealers

Backend development and testing

Designing and linking REST interfaces between frontend and backend

Maintaining Elasticsearch, monitoring its progress in Kibana

Creating documentation and guides

Presenting results to the client after each sprint

Securing REST interfaces with role-based access control and secrets management

Team setup: Scrum team with about 6 developers and 1 business analyst

Used technologies: Java, Maven, JUnit, Mockito, Quarkus, Jenkins, TypeScript, Docker, Kubernetes, AWS, Terraform, Groovy, Event Storage, Elasticsearch, Git

Project focus: backend development for a portal for charging equipment recommendations

Client: (not disclosed for privacy reasons)

Project period: 08.2021 – 03.2022

Role in project: full-stack developer

Industry: automotive

Built a portal for recommending to end customers which charging equipment best fits their electric car

Developed a core algorithm to generate recommendations

Backend development and testing

Designing and linking REST interfaces between frontend and backend

Created documentation, e.g., architecture diagrams and guides

Coordinated with clients for feature development

Onboarded new colleagues

Team setup: Scrum team with about 3 developers and 3 business analysts

Used technologies: Java, Maven, JUnit, Mockito, Quarkus, Jenkins, Angular, MSSQL, Docker, AWS, Git

Project focus: Expansion of a development infrastructure

Client: (Not disclosed for data protection reasons)

Project period: 09.2020 – 01.2021

Role in project: Platform Engineer

Industry: Transportation sector

Development of a Kubernetes controller in Go for automatic management of development projects

Maintenance and support of existing components

Planning and documentation

Contribution to the open-source project Crossplane

Team setup: Scrum team with about 6 developers and architects

Technologies used: Go, Docker, Kubernetes, AWS, Git, Crossplane

Project focus: Frontend development of a portal in the tax domain

Client: (Not disclosed for data protection reasons)

Project period: 02.2020 – 09.2020

Role in project: Java Frontend Developer

Industry: Public sector

Feature development based on a requirements specification

Development of frontend interfaces

Bug fixing, maintenance, and support

Testing and quality assurance

Data analysis

Team setup: Team with about 10 developers, testers, and business analysts

Technologies used: Java, Maven, Junit, Mockito, Jenkins, JSP, SQL, HTML, CSS, Git, Gitlab

Project focus: Backend development of a microservice application

Client: (Not disclosed for data protection reasons)

Project period: 08.2019 – 01.2020

Role in project: Java Backend Developer / DevOps Engineer

Industry: Financial sector

Design and implementation of microservices in the backend

Integration of interfaces to the frontend

Setup and maintenance of a developer pipeline with Jenkins

Setup of monitoring with Grafana and Prometheus

Creating documentation and assisting handover to new offshore colleagues

Team setup: Scrum team with about 6 developers

Technologies used: Java, Maven, Junit, Mockito, Spring Boot, Jenkins, REST, Openshift, Prometheus, Grafana, Git, Bitbucket

Project focus: Backend development of an interface in the customer support domain

Client: (Not disclosed for data protection reasons)

Project period: 02.2019 – 08.2019

Role in project: Java Backend Developer / Business Analyst

Industry: Telecommunications

Taking over a codebase that was in poor condition

Feature development

Improving code quality by adding tests and documentation

Maintenance and deployment of new builds

Requirements analysis and presenting results to the client

Replacing the core algorithm for calculating different scenarios

Team setup: Together with an offshore developer and a business analyst

Technologies used: Java, Maven, Junit, SOAP, MSSQL, Tomcat, Subversion

Project focus: Internal traineeship / Jumpstart

Client: Accenture (internal)

Project period: 12.2018 – 01.2019

Role in project: Java Developer

Industry: Consulting

Introduction to corporate culture

Training in Java

Training in agile working

Training in Spring Boot

Achieved certifications Java OCA and Professional Scrum Developer I

Team setup: Group with six participants and various trainers

Technologies used: Java, Spring Boot, JDBC, JPA, Junit, Mockito, Agile Development