My Projects
AI-Powered Language Learning App
Revolutionary language learning app that generates picture-based stories using AI, automatically adapting to user learning levels.
Full-stack ownership • AI story generation • Automatic internationalization • Adaptive learning algorithm
Enterprise Lottery Platform
Maintenance and improvement of complex lottery websites with custom frontend framework and micro-frontend architecture.
Custom CI/CD tool development • Web vitals performance optimization • Technical consulting
Custom E-Commerce Framework Development
Building and maintaining online shops for third-party customers using a major e-commerce company's custom framework.
Multi-client platform development • Cross-team collaboration • Custom CMS integration • Regular on-time delivery • Analytics • SEO
Insurance Calculation & Contract Platform
Complex insurance calculation website with contract closing functionality and advanced form validation.
Complex form development • Insurance price calculation • Data verification • Custom component library usage
B2B Financial Portfolio Management Platform
Backend development for banks and portfolio managers to manage financial products with REST APIs and microservices architecture.
Microservices architecture • REST API development • Message broker implementation • CI/CD setup
Flight Booking Application Frontend
Frontend maintenance and improvement of high-traffic flight booking application in Scrum environment.
High-traffic, high-revenue environment • Multi-team coordination • Scrum implementation
Self-Driving Car Control Demo App
Demo app for controlling cutting-edge autonomous vehicle prototype with route programming and media control capabilities.
Autonomous vehicle integration • Ahead of time delivery • Cross-platform development • UI/UX collaboration • International teamwork
Pokémon Go Manager
Consumer-facing web application that helps Pokémon Go players organize and evaluate their captured Pokémon with a mobile-friendly interface and server-backed data storage.
Full-stack delivery • Mobile-first UX design • Reliable calculation engine for ranking captured Pokémon • Containerized deployment on AWS ECS
Computer Vision – Analyzing the Structure of Clothes
Student research project on computer vision, developing an algorithm to separate structural patterns (mesh) and textures in clothing images, enabling retexturing for an AR virtual mirror.
Published student research paper • Novel structure–texture separation algorithm • Application to AR virtual try-on • Generalization to regular patterns (e.g., building facades) • C++ implementation and evaluation
Stomap – Project Management Tool
Story-mapping based project management tool for handling large amounts of GitHub issues with a table-based UI and drag'n'drop editing.
Story mapping visualization • GitHub-native storage • Drag'n'Drop issue editing • Hierarchic issues and dependencies
State Based Testing Software
Stand-alone, model-based testing software for the automotive industry — systematic test case specification, generation and automated execution.
Lead developer • Technical coordination • Model-based test generation • Integration with DOORS • Test coverage gap analysis
Smart GUI Testing — Combining Capture-&-Replay with Model-Based Automation
Model-based GUI testing approach that combines capture-&-replay convenience with systematic model-based test generation; final thesis and prototype plugin for a commercial testing tool.
Final thesis & scientific paper released • Prototype plugin for TESTONA • Automatic model generation • Systematic combinatorial test sequence generation • Successfully tested on real applications • Validated with an industrial partner
Blubber – Virtual Pocket Money
24-hour hackathon app that lets parents assign real-world tasks to kids and reward them with virtual pocket money redeemable in local stores.
Built end-to-end prototype in 24 hours • PayPal API integration • QR-code based redemption flow • Deployed on Google App Engine
Playotope – Platform Game Maker for the Web
Online platform game maker that provided a WYSIWYG editor enabling end users to create, customize, and share their own platform (jump’n’run) games with friends.
Built a browser-based game editor • Integrated social sharing & high scores • Worked on end-to-end game engine and web platform • Consulted and created software architecture and design (UML)
AI & Robotics – Humanoid Robot Research
Research on sensor fusion, adaptive grasping and walking for humanoid robots (Nao) and additional modular sensors.
Developed and tested adaptive grasping method • Built custom force-sensing modules for robot hands • Successfully lifted fragile and heavy objects safely • Improved walking stability using multi-sensor control • Co-authored peer-reviewed publication on adaptive grasping
Wikip3dia — 3D Wikipedia Visualization
Interactive 3D representation of Wikipedia: each article is a room, each link a door/corridor. Built with raw WebGL (OpenGL ES 2.0) and hand-written GLSL shaders.
Early WebGL demo • Real-time 3D navigation • Live Wikipedia API scene generation • Custom GLSL shaders • Graphical gimmicks: Reflections, Fog, Phong, mipmapping, lens flare • Texture-atlas door labels
Freelancing IT Professional
Long-term freelancing career delivering diverse IT solutions across multiple industries and technologies.
25+ years experience • Multi-industry expertise • Technology adaptation • Independent project delivery
Skills
Backend:Java Spring Boot TypeScript DynamoDB JavaScript Node.js NestJS Microservices SQL Express React Native TypeScript Redux React CSS HTML JavaScript Frontend Framework Angular RxJS React Native OpenAI Expo Redux Sentry GitHub React Angular NestJS RxJS Nx Jira AWS Expo GitHub DynamoDB S3 CDK CloudFormation CloudWatch AppConfig Elastic Beanstalk GitHub npm Maven CDK CloudFormation Nx yarn Docker Kubernetes Jenkins GitLab TFS Mono Repo Web Vitals Micro Frontends Microservices Testing UI Testing GraphQL JSON Framework Scientific Paper Diploma Thesis Raspberry Pi Cloud Platforms Custom Game Engine Jest Cypress Lighthouse Puppeteer UI Testing Jasmine Karma mocha chai TeddyMocks JUnit Spacer
Oliver Stadie
Well-organized, broad-minded, passionate and responsible IT professional. Focus on aligning technical solutions with business objectives.
Born
1984 (40 years)
Languages
Grade: Very Good
Subsidiary Field: Engineering Science
Experienced in planning, designing, implementing, testing, deploying and maintaining web applications with various technology stacks.