Jonas D.
Solution Architect & Software Developer
Experience
Jan 2024 - Present
1 year 9 monthsGöttingen, Germany
CEO
softwarebees GmbH
May 2023 - Dec 2023
8 monthsMunich, Germany
Freelancer
JD-Software
- Updated Java EE dependencies in the project's build configuration for AGSOTEC using Java 17, JavaEE, MySQL, Docker, Glassfish6.
- Refactored code to be compatible with new Java EE version, updated database configurations, replaced deprecated classes and methods, and updated configuration files such as web.xml and persistence.xml.
- Transformed an on-premise platform to a modern cloud-based application for DResearch Fahrzeugelektronik using Java 17, Spring Framework (JPA, Webflux, Security, Actuator), MySQL, RabbitMQ, Docker, Kubernetes, React, AWS.
- Collaborated with the client to define project requirements and deliverables and guided and taught intern software developers.
- Designed and implemented new features and enhancements to improve existing applications.
- Acted as IT trainer for Volkswagen through Bredex GmbH (Faculty73), developing and delivering course materials on Java, Spring Framework and React, customizing content, delivering training sessions and mentoring participants.
- Designed and implemented new features for Rezeptprüfstelle Duderstadt GmbH using Kotlin, Spring Framework and Vue.js, recommending improvements to business systems, analyzing proposed technical solutions, collaborating on software application design, and providing guidance on process improvements.
Mar 2023 - Apr 2023
2 monthsMunich, Germany
Senior Software Developer
CHECK24 Vergleichsportal GmbH
- Developed databases, programs and processes for integration and implementation across enterprise.
- Trained new developers and programmers on company standards for design and review.
- Met with stakeholders to provide detailed project reports and milestone updates.
- Documented technical workflows and knowledge to educate newly hired employees.
- Designed intuitive graphical user interfaces to improve user experience.
- Designed reusable and reliable code for use within distributed cloud environments.
- Participated in software field testing to verify performance of developed projects.
- Designed and implemented a fast and reliable data scraper that synchronizes two databases.
Mar 2022 - Feb 2023
1 yearErfurt, Germany
Software Developer & IT-Consultant
codecentric AG
- Delivered outstanding service to clients to maintain and extend relationship for future business opportunities.
- Supported clients with business analysis, documentation, and data modeling.
- Analyzed problematic areas to provide recommendations and solutions.
- Created and developed detailed work plans to meet business priorities and deadlines.
- Developed effective improvement plans in alignment with goals and specifications.
- Evaluated customer needs and feedback to drive product and service improvements.
- Maintained database systems to track and analyze operational data.
- Created and managed project plans, timelines and budgets.
- Worked together with the team on a huge transformation project, that shifted from a monolithic platform into a microservice landscape.
Sep 2018 - Dec 2021
3 years 4 monthsMagdeburg, Germany
Technical Lead
BM Sports Technology GmbH
- Provided educational expertise and mentoring to junior team members.
- Drove technical initiatives for large enterprise systems to align with long-term business strategies.
- Advised management, business and technical staff on solutions using specific domains or technology.
- Built product feature lists with stakeholders.
- Improved systems with addition of new features and infrastructure.
- Supervised architecture, design and implementation of company-wide platforms and applications.
- Offered input on technical and platform-related strategic planning initiatives.
- Designed support structure needed to confirm scalable application rollouts.
- Teamed on development of technology roadmap spanning 3 years.
- Researched and adopted new technologies to add value to existing offerings.
- Investigated system issues and implemented resolutions to reduce downtime.
- Developed a fast and reliable three way merge for offline-first applications.
- Responsible for company-wide system design including multiple backends, frontends and mobile apps.
- Evaluated and adopted new technologies to address changing industry needs.
Sep 2017 - Aug 2018
1 yearPart-Time Developer
Eudemonia Solutions AG
- Worked together with the team on enhancing and maintaining the product in an agile environment.
Summary
Experienced solution architect with more than 14 years of experience implementing complex Java and Kotlin projects – from dynamic startups to mid-sized companies and international corporations.
Well-versed in modern technologies that have become industry standards today: skilled in frontend and backend development as well as DevOps. Strong experience with cloud platforms such as AWS and Azure.
As an excellent communicator, he can explain technical concepts clearly and convincingly, bring interdisciplinary teams together, and consistently delight clients. His qualifications are supported by ISAQB certifications (Foundation and Advanced Level).
Languages
German
NativeEnglish
AdvancedEducation
Apr 2017 - Mar 2020
Otto-von-Guericke University
Computer Science · Magdeburg, Germany
Jul 2014 - Jan 2017
Schumann GmbH
IT Specialist in Application Development · IT Professional · Göttingen, Germany
Aug 2006 - Jul 2014
Eichsfeld-Gymnasium
High School Diploma · Duderstadt, Germany
Certifications & licenses
ISAQB CPSA Foundation
AWS Certified Cloud Practitioner
Spring Certified Professional
Kotlin For Java Developers
Spring Boot For Beginners
ISAQB-A
ISAQB
ISAQB CPSA Advanced
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