SENIOR FULLSTACK DEVELOPER & ARCHITECT
Simon-Daniel März – Senior Fullstack & Architect
18+ years of engineering experience. Hands-on development, lead engineering and architecture sparring for your project.
Looking for a seasoned software engineer who hits the ground running from day one, solves complex problems independently and safeguards architecture decisions? I join your team as a senior freelance engineer or interim technical lead.
Leadership & Seniority
Former Head of Software Development (managing 11 engineers at BCIS IT-Systeme), certified software architect (SOLID, Composite Components) and certified Scrum Master / Product Owner.
Technology Stack
Collaboration Models
Tailored to your current project stage.
Team Extension (Senior Fullstack)
Hands-on feature implementation, code quality and sprint delivery (2–4 days/week remote).
Interim Lead & Architecture Sparring
Guiding engineering decisions, conducting code reviews and mentoring your developers.
Targeted Troubleshooting & Performance
Focused intervention for urgent production issues, latency problems or high-risk migrations.
Fixed-Price Contract (Budget Guarantee)
Agreed lump-sum price based on clear requirement specifications. You pay strictly the agreed price – we work until the solution is fully delivered and accepted. 100% budget certainty.
REFERENCES
Selected References & Clients
FAQ
Frequently Asked Questions: Freelance
Details on contracts, NDA and operational workflow.
Remote-first with direct integration into your communication and tooling stack (Slack, Teams, GitHub, Jira). No intermediary agencies – direct collaboration with an experienced senior engineer.
Inquire Availability for Your Project
Send me a brief message outlining your stack and planned project timeframe. I will get back to you within 24 hours.