07.11.2025 aktualisiert

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100 % verfügbar

Senior Fullstack Engineer, Software Architekt, Consultant

Berlin, Deutschland Dipl.-Inf. (FH) Systeminformatik
Berlin, Deutschland Dipl.-Inf. (FH) Systeminformatik

Profilanlagen

Profil_Hermann_Reuter.pdf

Skills

Agile Work Environment:
Kanban, Scrum

Building / Testing:
GinkGo, JUnit, TestNG, Mockito, Maven, Gradle, Ant, Wiremock, Powermock,
GitHub Actions, Jenkins, TeamCity, DroneIO, SoapUI, JMeter, Sinon, Jasmine,
Jest, Grunt, Spock, Continuous Integration, Continuous Delivery, Continuous
Deployment, TDD, BDD

Cloud / Container / App-Server:
Docker, AWS Cloud, Kubernetes, Varnish, Minikube, Consul, Helm, Tomcat,
Jetty, CDK, Terraform

IDEs:
VSCode, IntelliJ Idea, Data Grip, WebStorm, Goland, PyCharm, PhpStorm,
Eclipse, NetBeans, Delphi, Borland C++ Builder

Management-Tools:
JIRA, Confluence, Rally, GitHub, BitBucket, Notion

Monitoring:
Splunk, Grafana, Prometheus, AWS Cloud Watch

Operating System:
Linux, Mac OS, Windows, Android

Platforms / Frameworks / APIs:
JEE, Spring, Spring Boot, Micronaut, React, Reactor, NodeJS, Grails,
AngularJS, GraphQL, Gin, JPA, Hibernate, JSP, Servlets, SOAP, REST, JSON, PKI,
BouncyCastle, Swing, WebFlow, Ajax, jQuery, WebSockets, OpenGL, WebGL,
DirectX

Programming Languages / Markup:
Golang (Go), Rust, Java, Kotlin, TypeScript, Groovy, JavaScript, Python, C++,
Delphi, SQL, XML, HTML, CSS, SCSS

Storages:
MongoDB, Oracle, Redis, DynamoDB, S3, MySQL, PostgreSQL, H2, Kafka,
Apache, JackRabbit

Sprachen

DeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Senior Java Kotlin Engineer

Zalando SE

Konsumgüter und Handel

>10.000 Mitarbeiter

Reduce Costs for Customs Declarations Classifications
Design and implement an algorithm that reduces costs by around 80% for classifying
goods sent to 3rd party KI provider.
https://www.zalando.de
(Kotlin, Java, Spring Boot, AWS, Kubernetes, Git, SQL, Postgres, REST, Docker, Microservices,
Messaging, Gradle, JUnit, Mockito, WireMock, DevOps)

Design and implement Architecture for new Transport Management Service
Create new microservice to handle inbound transports from trucks delivered to Zalando.
(Kotlin, Java, Spring Boot, Kafka, AWS, S3, SES, Kubernetes, Git, SQL, Postgres, REST, Docker,
Microservices, Messaging, Gradle, JUnit, Mockito, WireMock, DevOps)

Virtual Bonded Warehouse Project
Extend microservice architecture to allow waiving EU customs duties for goods from
outside the EU that are sold to non-EU customers.
(Kotlin, Java, Spring Boot, Kafka, AWS, S3, Kubernetes, Git, SQL, Postgres, REST, Docker,
Microservices, Messaging, Gradle, JUnit, Mockito, WireMock, DevOps)

Return to Merchant Project
Extend microservice architecture for enabling logistics and warehouse systems to
effectively identify overstocks for merchants.
(Kotlin, Java, Spring Boot, Kafka, AWS, S3, Kubernetes, Git, SQL, Postgres, REST, Docker,
Microservices, Messaging, Gradle, JUnit, Mockito, WireMock, DevOps)

IT-Consultant / Senior Golang Engineer

Tiny Monster GmbH

Konsumgüter und Handel

< 10 Mitarbeiter

New Media Exchange Service
Definition of architecture, designing and implementing a new service using AWS cloud for
handling partners and large media data transfers.
https://galakto.com
(Golang, Docker, Cloud Architecture, AWS, Terraform, ECS, Fargate, Postgres, SQL, S3, AWS-
SSM, Route53, LoadBalancer, REST, OpenAPI, JWT, Git, GitHub Actions, DevOps)

New Partner-Portal
Designing and implementing a new portal for dealing with partners and large media data for
Galakto audio tokens.
(Go (Golang), Svelte, TypeScript, Javascript, Postgres, SQL, Docker, AWS, REST, OpenAPI,
JWT, HTML, CSS, Git, GitHub Actions, DevOps)

New Admin-Portal
Designing and implementing a new admin portal for managing partners and large media
data for Galakto audio tokens. Integration with GS1 service for TIN exchange.
(Go (Golang), Svelte, TypeScript, Javascript, Postgres, SQL, Docker, AWS, REST, OpenAPI,
JWT, HTML, CSS, Git, GitHub Actions, DevOps)

Copy Protection Algorithm using Digital Signatures for Galakto Audio Tokens
Consulting for applying Public-Key Cryptography to ensure data origin and consistency.
(Public-key cryptography, PKI, Digital Signature)

Fullstack Kotlin & Rust Engineer

Otto GmbH

Konsumgüter und Handel

>10.000 Mitarbeiter

Feature Development in microservice architecture
https://www.otto.de/
(Rust, Kotlin, Spring, TypeScript, Terraform, Redis/ElastiCache, AWS, S3, Lambda, SQS,
Microservices, REST, HTML, Thymeleaf)

Migration to Rust
Migration of various components to Rust to reduce costs and increase performance.
(Rust, Terraform, AWS, S3, ECS, Lambda, SQS, Microservices, REST)

Zertifikate

AWS Certified Developer Associate

Pearson Vue

2023

SpringSource Certified Spring Web Application Developer

Pearson Vue

2014

Oracle Certified Expert Java Web Component Develope

Peason Vue

2013

Oracle Certified Professional Java Programmer

Pearson Vue

2012

Scrum Alliance Certified Scrum Master

Pearson Vue

2010


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