Mikias Seifu

Full Stack Designer and Developer

Freelancing Career • Freiberufler

Aug 2021 - Present • 4 yrs 10 mos

-Completed 30+ projects across a broad range of domains, including retail & inventory management systems, cybersecurity design, server and database hardening, cloud infrastructure management, and AI integration -Designed and implemented full-stack web applications using JavaScript, Python, PHP, React, and Node.js — delivering end-to-end solutions from system architecture through to deployment -Engineered custom encryption codexes and decryption key systems for clients requiring high-security data handling, applying advanced cryptographic principles to protect sensitive information at rest and in transit -Designed cybersecurity architectures for client systems, including secure server configurations, database access controls, firewall rules, and vulnerability assessments -Built and deployed retail inventory and control platforms with real-time stock tracking, reporting dashboards, and third-party API integrations -Managed cloud deployments on AWS and Azure, including infrastructure provisioning, cost optimisation, and automated monitoring pipelines -Integrated AI and machine learning modules into client applications, including intelligent data processing and automated decision-support features -Maintained long-term client relationships through iterative delivery, sprint planning, and responsive post-deployment support

Lead Engineer

Private Site • Vollzeit

Jul 2021 - Present • 4 yrs 11 mos

-Co-leading the design and development of an advanced SaaS platform built on cybernetics architecture principles, targeting algorithmic analysis and intelligent automation use cases -Responsible for core system architecture decisions, technology stack selection, and full-stack implementation across web and mobile surfaces -Applying sustained systems analysis methodologies to build scalable, fault tolerant backend services capable of processing complex algorithmic workloads -Coordinating development sprints with a small team of engineers, managing roadmap planning and technical delivery milestones

Tech Support and Sales

Private GP Services • Teilzeit

Feb 2019 - May 2021 • 2 yrs 3 mos

-Administered and maintained internal systems infrastructure, ensuring continuous platform uptime and operational reliability -Provided first- and second-line technical support, diagnosing and resolving hardware, software, and network issues across the organisation -Contributed to system performance analysis and operational reporting, identifying bottlenecks and recommending infrastructure improvements -Supported design management and oversight of internal platform systems and broader administrative processes