Christof Hlipala-Senior Full-Stack Developer
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Experience
Senior Frontend Developer
HUK24 AG
- Designing new apps as well as enhancing and running 29 Angular apps for digital claims in an Nx monorepo
- Maintaining and improving a shared component library with ~300 libraries for multiple product teams
- Migrating all apps to a new design system including its component library and systematic refactoring
- Developing and maintaining the CI/CD pipelines (Jenkins, Azure DevOps, Terraform, AWS)
- Managing releases independently including branch handling, versioning, PR coordination and production deployment
- Implementing and maintaining tracking (Adobe Analytics)
- Ensuring accessibility according to BFSG/WCAG
- Test-driven development (TDD) with Jest and Cypress
- Code reviews, mentoring and setting up best practices in the team
- Technologies: TypeScript, Angular 16-20, RxJS, NgRx, Nx (Monorepo), npm, HTML, (S)CSS, Storybook, Jest, Cypress, Cucumber, Husky, Node.js, Git, AWS, Azure DevOps (Repos & Pipelines), Jenkins, Terraform, TDD, BFSG, WCAG, Nexus, IntelliJ, Adobe Analytics
Senior Full-Stack Developer
DB Systel GmbH
- Designing, developing and operating middleware to connect UIs to internal and external systems (including Salesforce)
- Designing, developing and operating two Angular web UIs
- Enhancing a component library for the Angular web UIs
- Designing, developing and deploying multiple APIs in IBM API Connect
- Setting up, configuring and operating 6 CI/CD pipelines based on GitLab CI and OpenShift
- Setting up, configuring and operating a monitoring solution based on Prometheus and Grafana
- Implementing various identity providers for Single Sign-On (SSO), including Keycloak
- Coordinating and executing the go-live of the entire system
- Maintaining a Java EE application in an AWS environment
- Training internal staff on best practices
- Technologies: TypeScript, Angular 8-15, Node.js, Java, Salesforce, RxJS, Keycloak, Bootstrap, PrimeNG, (S)CSS, RestEasy, Hystrix, OpenShift, AWS, Docker, Artifactory, IBM API Connect, Prometheus, Grafana, Git, GitLab, GitLab CI, Nginx, Heroku, Helm, IntelliJ
Frontend Developer
Trans-O-Flex IT-Service GmbH
- Designing and developing an Angular application for manual and strategic dispatch in logistics
- Implementing an interactive map (Leaflet) for planning delivery stops
- Setting up and configuring CI/CD pipelines using Jenkins
- Technologies: JavaScript (Angular 8), Leaflet, Git, HTML, (S)CSS, Bootstrap, JSON, AJAX, REST, Visual Studio Code, IntelliJ
Full-Stack Developer
Caterpillar Energy Solutions GmbH
- Designing and developing a portal to combine all existing applications
- Designing and developing an application to manage engine fleets with SAP integration
- Designing and developing a CRM system with SAP integration
- Single Sign-On integration with two-factor authentication
- Configuring Azure infrastructure including CI/CD pipelines
- Technologies: Java (Spring Boot), JavaScript (Angular 8), Microsoft Azure, Microsoft SQL Server, Git, HTML, (S)CSS, Angular Material, Material Design, JSON, AJAX, REST, Visual Studio Code, IntelliJ
Full-Stack Developer
HERE Technologies
- Designing and developing a highly scalable portal to collect and update geodata with over 80,000 data providers
- Designing and configuring AWS infrastructure including CI/CD pipeline
- Technologies: JavaScript (Angular 7, Node.js), AWS S3, AWS Lambda, AWS API Gateway, AWS CloudFront, AWS Aurora (PostgreSQL), AWS CloudFormation, Jenkins, Git, Microservices, HTML, (S)CSS, Bootstrap, JSON, AJAX, REST, Visual Studio Code
Full Stack Developer
Freightgate Inc.
- Further development of the rate management software
- Further development of the quoting module
- Technologies: JavaScript (ExtJS), Java EE, Hibernate, Microservices, Jersey, Tomcat, MySQL, HTML, CSS, AJAX, JSON, REST, Gradle, Eclipse, Visual Studio Code, Jira, Jenkins
Frontend Developer
a-tune Software AG
- Design, planning, and development of several extensions to the IDBS E-Workbook Suite
- Further development of various existing applications
- Technologies: JavaScript, jQuery, Java EE, JavaFX, Oracle, Tomcat, HTML, CSS, AJAX, JSON, REST, Eclipse, Visual Studio Code
Full Stack Developer
SAP SE
- Design and development of new features for the cloud-based business intelligence software SAP Analytics Cloud
- Collaboration on the support team and bug fixing
- Performance analysis and optimization
- Technologies: JavaScript, SAP UI5, Node.js, SAP HANA, Docker, CloudFoundry, Jasmine, HTML, CSS, AJAX, JSON, Git, Gerrit, Jenkins, Maven, Jira, SAP HANA Studio, WebStorm
Full Stack Developer
Freightgate Inc.
- Planning and collaboration on a new cloud version of the rate management software
- Responsible for support in the European time zone
- Technologies: JavaScript, Ext JS, Java EE, Spring Boot, Spring Data, Hibernate, Jersey, Tomcat, Microservices, CloudStack, MySQL, HTML, CSS, SASS, AJAX, JSON, CVS, Jenkins, Gradle, Jira, osTicket, Eclipse, Linux
Full Stack Developer
Freightgate Inc.
- Participated in the rollout for the largest customer
- Designed, developed, deployed, supported, and trained a process for monitoring freight container contents for a client
- Designed, planned, and developed several modules, including the quoting module, rate input module, flight data search, and price calculation widget
- Created and customized reports according to customer requirements
- Worked in the support team
- Technologies: JavaScript, Ext JS, Java EE, Hibernate, Spring Boot, Spring Data, Jersey, Tomcat, MySQL, Selenium, HTML, CSS, AJAX, JSON, Virtualization, CloudStack, CVS, Git, Jira, osTicket, Ant, Maven, Eclipse, IntelliJ IDEA, Linux
Full-Stack Developer
E-STARTS
- Concept, planning and development of a user-friendly CMS system as well as adaptation to client systems
- Development of hybrid smartphone apps
- Technologies: JavaScript, jQuery, jQuery Mobile, PhoneGap, PHP, Symfony 2, Doctrine, Twig, Smarty, MySQL, HTML, CSS, Redmine, SVN, NetBeans, Xcode, Linux
Industry Experience
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Experienced in Information Technology, Transportation, Insurance, and Energy.
Business Area Experience
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Experienced in Information Technology, Product Development, Customer Service, and Business Intelligence.
Summary
Senior Software Engineer with over 15 years of experience in building, modernizing and operating scalable, business-critical web platforms – including for insurers (HUK24), Deutsche Bahn, SAP, HERE Technologies and clients in energy, logistics and pharma. Specialized in large Angular architectures in Nx monorepos, component libraries and cloud-native backends on AWS, Azure and OpenShift – including reliable CI/CD pipelines and observability.
Skills
- Frontend Technologies: Typescript, Angular, Rxjs, Ngrx, Storybook, Angular Material, Primeng, Jquery, Phonegap, Extjs, Sap Ui5, Leaflet
- Backend Technologies: Java, Spring Boot, Spring Data, Java Ee, Hibernate, Servlets, Jsp, Jax-rs, Jersey, Resteasy, Hystrix, Node.js, Express.js, Strongloop, Php, Symfony 2, Doctrine, Twig, Smarty
- Integration & Identity: Salesforce, Sap, Keycloak, Ibm Api Connect, Single Sign-on (Sso), Two-factor Authentication
- Web/application Servers: Node.js, Nginx, Apache Tomcat, Apache Webserver, Sap Hcp Xs
- Web Technologies: Html, (S)css, Bootstrap, Json, Ajax, Rest, Microservices
- Test Frameworks: Jest, Cypress, Cucumber, Jasmine, Selenium, Husky, Puppeteer
- Infrastructure: Amazon Aws (Lambda, S3, Api Gateway, Cloudfront, Eventbridge, Cloudformation, Ec2, Vpc), Terraform, Microsoft Azure, Openshift, Cloudfoundry, Cloudstack, Sap Hcp, Heroku, Docker, Helm, Virtualization
- Databases: Aws Aurora, Postgresql, Mysql, Microsoft Sql Server, Oracle Db, Sap Hana
- Version Control: Git, Gitlab, Azure Devops, Gerrit, Cvs, Svn
- Build Tools & Ci/cd: Gitlab Ci, Jenkins, Azure Devops Pipelines, Nx, Webpack, Npm, Nexus, Artifactory, Maven, Gradle, Ant
- Ides: Intellij, Webstorm, Vs Code, Eclipse, Sap Hana Studio, Sap Webide, Netbeans, Xcode
- Support/documentation: Jira, Confluence, Topdesk, Redmine, Osticket
- Operating Systems: Macos, Linux, Windows
- Others: Microsoft Office (Word, Excel, Powerpoint)
Languages
Education
Mannheim University of Applied Sciences
Bachelor of Science · Computer Science · Mannheim, Germany · 1.8
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