lirumlarum
Senior Full Stack Developer // Senior Engineer // Engineering Manager
Senior Full-Stack Developer with more than 23 years of professional experience in front- and backend development, DevOps and technical leadership. Focused on designing, implementing and scaling digital platforms, APIs and business-critical workflows for SMEs, SaaS products and high-traffic consumer services. Strong communicator at the interface between management, operations and development, with a passion for automation, security and clean software architecture.
Experience: 11 years
Yearly salary: $100,000
Hourly rate: $125
Nationality: 🇩🇪 Germany
Residency: 🇩🇪 Germany
Experience
Head of Development
BTC-ECHO 2025 - 2025
Hired as Head of Development for a small team consisting of a part-time full-stack developer and a senior tech lead working part-time. Employment mutually terminated during the probation period by agreement.
Tech Lead / Technical Director / Senior Full-Stack Developer
Online Cargo Deutschland 2022 - 2025
Led the end-to-end digitalization of all business processes for a Europe-wide rail freight service provider. Designed, developed and extended a central web platform to replace paper-based workflows. Introduced digital tools for documentation, time management and internal communication. Drove process optimization and automation, significantly increasing efficiency and reducing paper usage.
Senior Full-Stack Developer (Senior Engineer)
ZenMate 2019 - 2020
Responsible for key migrations and integrations as ZenMate was integrated into the Kape Holding / CyberGhost infrastructure. Handled system and user migrations, payment system integrations and consolidation of marketing and analytics solutions.
Senior Backend Developer & Senior Frontend Developer (Senior Engineer)
CyberGhost VPN 2016 - 2018
Extended, optimized and maintained the central API platform as the main point of contact for mobile and frontend teams. Designed and implemented high-performance and secure API endpoints for mobile and web applications.
Interactive UI/UX Developer (Self-employed)
mobile concepts 2012 - 2012
Developed user interfaces and frontend for cloud-based web storage and multimedia systems.
Founder, CEO & Lead Developer
Scriptlabs UG 2011 - 2016
Full responsibility for all projects (acquisition, project management, architecture, development, quality assurance, invoicing). Managed and coordinated external teams and freelancers.
Database & Tool Developer
German Federal Ministry of Defence 2006 - 2008
Software development and tooling in a military environment. Focus on information technology and database applications.
Skills
full-stack
english
german