Professional Experience
Full-stack engineer on doctari pro, the B2B platform on which clinics and the doctari sales team staff medical shifts with locum doctors and nurses. Work runs end-to-end, from a React and TypeScript frontend to a serverless Node.js backend on AWS (Lambda, DocumentDB, OpenSearch, Kafka, CDK). Projects range from candidate matching and search, shift planning and pricing logic, to internal sales tooling and integrations such as the Salesforce synchronization.
Technologies
React, TypeScript, Node.js, AWS Lambda, AWS CDK, Serverless, DocumentDB, OpenSearch, Kafka, Salesforce, FigmaResponsible for complex forms with validation and i18n in React with Material-UI, as well as close collaboration with design teams in Figma. Backend development with Node.js (Fastify, NestJS) and integration of OpenID Connect. Use of AWS (S3, Lambda, CloudFront) and Docker, as well as PostgreSQL for data management. Logging and monitoring with Datadog, transactional emails with MJML, TDD for code quality, and CI/CD pipelines with GitHub Actions. Work in agile Scrum teams with Jira, onboarding of new team members, and involvement in recruiting.
Technologies
React, Typescript, Gatsby, Contentful, Firebase, DataDog, ConfigCat, Miro, Atlassian Jira, Node.js, NestJs, Express, Fastify, Github Actions, Terraform, PostgreSQL, MongoDBCo-founder of a B2B trading platform for liquid dairy products. Responsible for all frontend development with React and TypeScript, including the implementation of the design specifications. Infrastructure on AWS, defined as code with AWS CDK, and CI/CD pipelines with GitLab CI for automated builds and deployments. Integration of the frontend with a Kotlin and Spring Boot backend over an API described with OpenAPI, with PostgreSQL for data management. Full responsibility for the design of the marketplace.
Technologies
React, TypeScript, AWS S3, AWS Services, PostgreSQL, Gitlab, Kotlin, Spring BootDevelopment and deployment of services in a Kubernetes cluster and migration to the Azure Cloud, with a focus on the anonymization and pseudonymization of IoT data. Backend development with Java, Dropwizard, Vavr, Akka, and Drools. Container orchestration with Azure Kubernetes Service, managed through Helm charts and supporting Node.js tooling. Data management with Amazon S3 and Blob Storage, system monitoring with Grafana and the ELK Stack. Agile methods (Scrum, Kanban), Jira for project management, and Jenkins for continuous integration.
Technologies
Azure, Kubernetes, Helm, Docker, MicroServices, Kafka, Nats, S3, Blob Storage (Anonymization and Pseudonymization), Java, Dropwizard, Gradle, Node.js, JavaScript, React, MaterializeCSS, GitLab CI/CDValidation of NDS maps for automotive suppliers and creation of the corresponding reports. Backend development with Java and Maven, deployed on WildFly; maps of several NDS versions were read from SQLite. The frontend started out with vanilla JavaScript and OpenLayers and was later migrated to Angular. Map quality was in part verified on the road during test drives. In addition, transformation of NDS maps into the OpenDRIVE format (XML) for driving simulations. Working student from 07/2016 to 07/2017.
Technologies
WildFly, Java, Spring Framework, JavaScript, Angular 2-6, Lodash, jQuery, Primefaces, Java Server Faces (JSF), OpenLayers, OpenDrive, Jenkins, DockerONPEX GmbH is a FinTech company focused on global payment processing. Responsible for the development of the product portfolio, in the frontend (ExtJS/JavaScript) and the backend (PHP/Java) as well as in native Android applications.
Technologies
Java, Android 2.3.7, Jersey SOAP/REST, PHP/Zend Framework, PostgreSQL, Apache Mesos, JenkinsOverall average grade: 2.1
Master thesis: Conversion from NDS to OpenDRIVE, grade: 1.9
Bachelor
Bachelor thesis: Automation of a service API, grade: 1.3
