Backend / Systems Engineer (Java/Python). Open to a wide range of work: from quick fixes and maintenance to full backend delivery, including Minecraft-related projects.What I typically deliver:Backend / API: Spring Boot / FastAPI, REST APIs, third-party integrations, data validation, API docs (Swagger/OpenAPI)Databases: PostgreSQL/MySQL — schema design, migrations, indexing, query optimization for real read/write patternsData pipelines / ingestion: multi-source collectors, batching/concurrency, retries/backoff, per-source failure isolation, resilient processingAutomation & bots: Telegram/…
With over 14 years of senior software engineering experience at industry-leading companies like Google, VISA, JP Morgan Chase, AT&T, American Express, The Home Depot, Intuit, and T-Mobile, I've honed my craft in translating intricate conceptual challenges into robust, user-centric products.
My expertise spans full-stack development, encompassing languages such as Java, Python, JavaScript (including frameworks like React, Angular, Node.js), C++, and Rust. Proficient in cloud technologies, I've worked extensively with AWS, Azure, Google Cloud, and have implemented DevOps methodologies using…
Dmytro Denysenko is a beginner in IT, has mastered Full Stack Web Development. Works with technologies:
Frontend: HTML5, CSS3, JavaScript, jQuery, Bootstrap, React
Backend: PHP, MySQL, Python, Django
Already implemented the first project - the actress's website: annadenysenko.kr.ua
I am Alexandr Tsvetkov, a dedicated and highly skilled Senior Android Developer with over 15 years of experience, specializing in roles as a Mobile Software Architect and Mobile Team Leader. I excel in delivering robust, high-performance mobile solutions and possess the critical skill set for managing projects across the entire development spectrum.Core Development Philosophy & ExpertiseI am equally proficient in greenfield development—defining the architecture and building complex applications from scratch—and in conducting rapid, high-quality refactoring of existing, unmaintained, or poor-…
