Marcel Drossel
@marceldrossel
Senior Full Stack Engineer with expertise in enterprise software development.
What I'm looking for
I am a Senior Full Stack Engineer with over 10 years of experience in building enterprise software across various industries, including finance, healthcare, and logistics. My strong backend skills encompass Java (Spring Boot), Go, C#, and microservices architecture, complemented by solid experience in cloud deployments on AWS and Kubernetes. I am equally confident on the frontend, having hands-on experience with React, Angular, Vue.js, and Tailwind CSS to create responsive, accessible, and data-driven user interfaces.
Recently, I have focused on integrating AI and machine learning into my projects, utilizing tools like OpenAI API, LangChain, and FastAPI to deliver intelligent automation and enhance user experiences. My career has been marked by significant achievements, such as developing and deploying over 20 microservices and embedding AI capabilities into internal workflows, which have streamlined processes and improved efficiency.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Bevel
Sep 2020 - Present (4 years 10 months)
Developed and deployed over 20 microservices using Java (Spring Boot) and WebFlux, supporting financial transactions and customer services. Integrated Spring Security, OAuth2, and JWT for stateless user authentication across services.
Full Stack Engineer
Mexty
Sep 2018 - Present (6 years 10 months)
Designed an event-driven backend using Kafka Streams, Avro schemas, and CQRS architecture, improving pipeline scalability and modularity. Developed a Go-based Prometheus exporter and enabled system-wide alerting with Grafana dashboards.
Software Engineer
Meta
Jul 2015 - Present (10 years)
Built RESTful APIs in Java using Jersey and migrated legacy SOAP endpoints for modern client support. Developed backend tools in Go for internal batch processing and log handling.
Full Stack Developer
World of Bytes
Dec 2014 - Present (10 years 7 months)
Built full-stack web applications using Spring MVC, JSP, and PostgreSQL for B2B analytics clients. Developed backend components in Go to support real-time reporting and data sync tasks.
Education
Degrees, certifications, and relevant coursework
Johannes Gutenberg University of Mainz
Bachelor's Degree, Computer Science
2010 - 2014
Completed a comprehensive curriculum in Computer Science, gaining foundational knowledge in programming, algorithms, and data structures. Focused on core principles and practical applications relevant to software development.
Tech stack
Software and tools used professionally
Postman
GitHub
JaCoCo
Kubernetes
Jenkins
GitHub Actions
DB
MySQL
PostgreSQL
MongoDB
Cassandra
Gmail
Node.js
Django
Laravel
Spring Boot
Vert.x
.NET
Spring MVC
Tailwind CSS
Neo4j
Redis
Terraform
Azure DevOps
Thymeleaf
Quarkus
Vue.js
AngularJS
React-Vue
JavaScript
Java
PHP
Kotlin
TensorFlow
PyTorch
MLflow
scikit-learn
Kafka
RabbitMQ
Apache Pulsar
FastAPI
Grafana
Prometheus
OpenTelemetry
Spring Security
Avro
Kafka Streams
JUnit
Mockito
OAuth2
SQL
Availability
Location
Authorized to work in
Job categories
Skills
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