Mikhail Ermakov

Full-stack stock trading simulator built by a 5-person team across 5 Agile sprints. Integrated real financial market data via external APIs. → Developed backend authentication module in Java / Spring Boot, implemented input validation, password hashing with salt, and secure user data persistence in MongoDB. → Designed and implemented RESTful API endpoints for user registration and account management, following REST conventions and clean separation of concerns. → Integrated external financial market APIs

Standalone Java desktop application for interactive text and file encryption. Built from scratch as a personal initiative to deepen understanding of cryptography, low-level byte processing, and GUI performance optimisation. ~2,600 lines of code. → Implemented 5 classical cipher algorithms from scratch: Caesar, Vigenère, Substitution (with Atbash preset), Vernam (one-time pad), and Base64 encoding. → Built file I/O and byte-level processing layer for encrypting and decrypting binary files; included hash fu

Desktop card game built by a 6-person team applying SOLID principles and clean architecture, under guidance of an experienced developer team lead with SAP background. → Implemented core game logic module — card dealing, comparison, and winner-selection mechanics following SOLID principles. → Developed save/load functionality enabling game state persistence across sessions. → Collaborated with senior team lead on architecture; applied industry practices including abstract classes and interfaces for test-f

Private university of applied sciences with focus on technology and business. Located at Potsdam Innovation Campus. Key modules: · Backend Development (Java, Spring) · Software Architecture & Object-Oriented Programming · Machine Learning and Smart Systems · Database Systems · Algorithms and Data