About Alexander
German
Native or bilingual
English
Fluent
Experience
- NautilusLog GmbHTechnical Lead / Senior Software EngineerSeptember 2021 - February 2026 (4 years and 5 months)
- Led cross-functional team (backend, frontend, mobile)
- Acted as interface between product management and engineering
- Managed release cycles and deployments
- Contributed to development using Java, Kotlin, TypeScript, React, Next.js
- Designed and implemented scalable backend systems using Java and Spring Boot
- Defined and drove architecture decisions across services and applications
- Built and maintained CI/CD pipelines using Jenkins
- Implemented container image builds using Jib (Java) and Kaniko (frontend)
- Reduced deployment time by ~90% and increased deployment frequency
- Developed contract-first APIs using OpenAPI specifications
- Implemented event-driven architecture and event sourcing patterns
- Built centralized logging and monitoring using ELK stack (Elasticsearch, Logstash, Kibana)
- Worked with Kubernetes-based environments
- Collaborated with external partners on real-time tracking systems
- OPITZ CONSULTINGSoftware EngineerJune 2020 - August 2021 (1 year and 2 months)
- Developed REST APIs using Java and OpenAPI
- Built cloud infrastructure on AWS (EC2, S3)
- Analyzed and migrated legacy systems to modern architectures
- Mentored junior developers and students
- adesso SESoftware EngineerFebruary 2019 - May 2020 (1 year and 3 months)
- Worked on legacy system modernization (Java EE, Kafka, DB2)
- Built CI/CD pipelines using Jenkins and Docker
- Applied Test Driven Development (TDD) and Domain Driven Design (DDD)
- Conducted code reviews and supported team members
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Education
- B.Sc. Computing in ScienceUniversity of Hamburg2016