Spectrum

A SolidJS frontend as UI for spectrometric water analysis system coupled to a C++ backend through MQTT (mosquitto), running on ARM-based embedded linux system.

• UI protoype in Typescript React/ Nx with LitElements (WebComponents) and MQTT based on co-developed Hach Lange platform project
• UI production system in SolidJS, SUID, i18next, Ajv, MQTT.js, C3.js
• Detailed refinement of requirements with UX team and water analysis system engineers
• Defining and documenting overall system architecture, MQTT message formats, frontend architecture and dev setup
• Setting up frontend system from scratch, implementing domain oriented type system, UI components, app state
• Management, Mqtt pub/sub services and schema-based message validation in frontend
• Coaching 2 junior frontend developers along the way
• Agile team setting (remote work) – JIRA, git, bitbucket

Complex product configurator web frontend for construction scaffolding systems as part of the PERI Quicksolve © application family.

• React 17, Material UI, react-redux, i18next, C3.js, Typescript
• Implementing, testing and applying reusable controls and forms for entry of engineering configuration data, visualizing backend-generated layout results (loads, moments, etc.), including a lib for handling physical quantities with units of measurement in metric and imperial format
• Detailed clarification and refinement of user stories
• Specifying, implementing and testing data models for backend API
• Agile team setting (remote work) – JIRA, git, Azure DevOps

Frontend for Affiliate Marketing Service provider.

• Angular 11, AG Grid, Ngrx/ rxjs, Bootstrap + Material
• OAuth2/ OIDC
• Jenkins, github, JIRA, OpenApi/ swagger, Docker, docker-compose , Cypress, Jasmine, Karma
• User Stories, Frontend Architecture, Design
• International agile team setting

Frontend for Affiliate Marketing Service provider.

• Angular 11, AG Grid, Ngrx/ rxjs, Bootstrap + Material
• OAuth2/ OIDC
• Jenkins, github, JIRA, OpenAPI/ swagger, Docker, docker-compose , Cypress, Jasmine, Karma
• User Stories, Frontend Architecture, Design
• International agile team setting

A microservices-based platform for industrial solutions and systems.

• React / Redux Frontend (JavaScript)
• Java Spring Boot, MongoDB / PostgreSQL/ Java JPA, Selenium, Junit, Jasmine, Karma
• Kafka / Java Spring Cloud
• Maven, github
• Domain Analysis, Architectural design, design of REST API, object model and domain events
• Design, implementation and test automation of frontend and backend

Various projects in DE, UK, AUS for Multi-MW variable frequency converter systems and HV/MV power supply systems (fully automatic and remote contolled).

• Software product owner and project manager
• Coordination of software teams and suppliers
• Coordination of various system interfaces
• Integrated SCADA and closed-loop control software
• Extensive work with certification bodies/ representatives
• Project durations 1 to 3 years

Customer interviews, product roadmap, customer benefit analysis, specification of software features for tactical airport management dashboard and operations management suite.

Simulation of state of motion, power consumption and energy balance based on configurable road segments.

• JEE / JSF
• Glassfish/postgres

Leading IT infrastructure carve-out within Siemens Westinghouse and setting up stand-alone IT infrastructure for independent company Argillon LLC.

• Reconfigure networking, firewalls, user accounts, windows clients and data backup solution
• RDBMS, SAP, MS Exchange Server and clients
• Selection and handover to external service provider

Distributed, PLC-integrated motion control system.

• OO design and UML modelling, implementation and testing of embeddded runtime software (C++ on prop. RTOS)

Distributed TCN Wired Train Bus Application: specification of requirements, architectural and implementation design, implementing and testing on multiprocessor rail vehicle controller system (C, Assembler, TCL/TK).