ianstiefvater

Architected & Developed Blockchain Solutions: Designed, implemented, and deployed full-stack decentralized applications (dApps) for diverse high-profile clients, integrating blockchain technology seamlessly with web and mobile platforms. Smart Contract Engineering: Wrote, executed, and audited smart contracts in Solidity using frameworks such as Hardhat and Truffle. Utilized security audit tools like Slither and MythX to ensure contract robustness. Full-Stack Integration: Developed dApp front-ends with React and integrated them with Node.js backends. Leveraged Web3.js and Ethers.js for smart contract interactions and blockchain data retrieval. Performance & Security Optimization: Optimized smart contract performance and implemented security best practices, ensuring adherence to industry standards and mitigating risks. Cross-Functional Collaboration: Worked closely with multidisciplinary teams—including UX/UI designers, product managers, and other developers—to define requirements and perform code review. Automation & Deployment: Utilized containerization (Docker) and orchestration tools (Kubernetes) for efficient deployment, and set up CI/CD pipelines to streamline development and release processes. Multi-Language Expertise: Employed Python and C++ for performance-critical components and backend services, contributing to the development of distributed systems and enhancing overall system reliability. Cloud Infrastructure Management: Deployed and maintained blockchain infrastructure on AWS, GCP, and Azure, ensuring scalability, high availability, and robust monitoring of production environments.

Developed comprehensive data scraping solutions targeting social media platforms such as TikTok, Instagram, and YouTube using Python (BeautifulSoup, Scrapy) and custom JavaScript extensions, significantly reducing data retrieval times and increasing data accuracy. Architected and deployed a Django-based application to serve as the backbone for handling, storing, and visualizing scraped data, which became pivotal in strategic decision-making processes within the company. Created, managed, and optimized APIs for real-time video transcription, transforming YouTube, Instagram, and TikTok video URLs into searchable, indexable text using ytpl and Whisper, enhancing content accessibility and user engagement. Solely responsible for the full lifecycle management of corporate websites and internal applications, including design, deployment, maintenance, and updates, utilizing Docker to ensure consistency across development, testing, and production environments. Implemented Celery for managing asynchronous task queues to improve the efficiency of scraping scripts and used Websockets to push real-time updates to end-users, significantly enhancing the interactivity and responsiveness of user interfaces. Managed all aspects of server administration, from initial setup and configuration using cPanel and Docker to ongoing performance tuning, security enhancements, and troubleshooting.

Konnexi operates as a conglomerate, overseeing various business units focused on technological solutions, with a structure that emulates that of a holding company. During the dawn of Konnexi, faced with emerging operational imperatives, I assumed a primary role in the technical field as Software Engineer, responsible for the development of advanced web applications, integrations and automation processes. Responsibilities: Developed and maintained web applications using Django, ensuring structured and advanced programming in Python. Designed and managed RESTful APIs, guaranteeing effective integration and communication between front-end and back-end systems. Actively participated in creating interactive user interfaces with tools such as React, Redux and React Router, optimizing the user experience. I worked closely with the database team, managing relational and NoSQL systems, such as SQL and MongoDB. Lead the architecture and design of backend solutions, prioritizing scalability and robustness. I dove into implementing serverless solutions and microservices using Azure Functions and AWS Lambda. Optimized and expanded database capabilities, incorporating solutions such as Redis to improve performance. I collaborated in management and automation in cloud environments, using tools such as AWS CodeBuild and Azure DevOps. I stayed at the forefront of emerging technologies, incorporating IoT solutions such as MQTT and Arduino into the project.

SEO Audits, Backlink and Content Strategy, Technical SEO (HTML, CSS, JavaScript), CMS (Wordpress, Hubspot, Umbraco), Server Optimization, Data Reports with Google Data Studio, Project Management, PPC Campaigns, Social Advertising.

Landing page, e-commerce and front page development. Specialized development in SEO and application of inbound marketing strategies. Programming in PHP and SQL on servers.