
Niklas Wigertz Danielsson
Technical Leader & Principal Architect
Tech Lead, Principal Architect, Fractional CTO. Architecture to implementation. Startups to Fortune 500s.
15+ years experience • Sweden/EU-based
- Founded & shipped complete IoT product—1000+ hardware devices from circuit design to market delivery
- Architected platforms scaling from startup MVPs to 50+ enterprise teams at Fortune 500s
- Full‑stack implementation from embedded systems (C/FreeRTOS) to cloud platforms (Kubernetes/AWS)
- Built zero‑downtime CI/CD platforms and transformed legacy systems to modern architectures
- Technical leadership experience from founding startups to managing enterprise transformations
Open for 6-12 month engagements • B2B contracts • Remote/hybrid • Sweden CET
Focus Areas for Long-Term Engagements
From startup innovation to enterprise transformation. I architect, build, and deliver complete solutions that scale with your business.
Technology Architecture
End-to-end architectural design from embedded systems to enterprise cloud platforms. Specializing in scalable, cost-effective solutions.
CTO & Technical Leadership
Fractional CTO services for startups and scale-ups. Strategic technology planning, team building, and engineering organization scaling.
Cloud Transformation
Migrate and optimize infrastructure on AWS, Azure, and multi-cloud environments. Proven cost reductions of 20-30%.
Platform Engineering
Build developer experience platforms with CI/CD, GitOps, and self-service capabilities for engineering teams.
Security & Compliance
Implement security frameworks, PCI compliance, and CVE management for enterprise applications.
Embedded & IoT Solutions
Complete product development from hardware design to cloud integration. Experience shipping 1000+ consumer IoT devices.
All Clients & Engagements
A selection of organizations I've supported — from startups to enterprises.









Selected engagements in Sweden and across EU/EEA + UK
Delivering transformative technology solutions across diverse industries
Enterprise Security & Cost Optimization at Scale
Client: Volvo Cars (Automotive)
Challenge:
Growing infrastructure costs and need for formalized CVE management processes across 50+ teams
Solution:
Established enterprise CVE management framework, implemented spot instances strategy, developed AI/LLM prototypes to address support bottlenecks
Result:
20-30% infrastructure cost reduction across 1000+ nodes, security compliance achieved, validated AI strategy for scaling internal support
Hardware IoT: From Circuit to Consumer
Company: Lifee (Own Startup)
Challenge:
Build complete children's activity tracker from concept to market
Solution:
Led full product lifecycle - circuit design, firmware, CE certification, mobile apps, production
Result:
1000+ units shipped to consumers and schools, measurable health improvements in 10+ school classes

CI/CD Platform Built from Zero
Client: Pugstorm (Gaming)
Challenge:
No automated build system - all deployments were manual, blocking development velocity
Solution:
Built complete CI/CD platform from scratch using GitHub workflows with self-provisioning, on-demand runners on AWS
Result:
Zero idle compute costs, unlimited parallel builds enabled, fully automated game deployments to Steam
Multi-Region Platform Modernization
Client: Dstny (Telecommunications)
Challenge:
30+ legacy applications across multiple countries limiting business agility
Solution:
Architected cloud-agnostic platform supporting both Kubernetes and OpenShift across 4 regions (SE, NE, BE, AU)
Result:
10+ teams modernized applications with GitOps workflows, zero-downtime deployments achieved
Startup Ventures Founded
From concept to market delivery - building complete solutions that solve real problems
🚀 Lifee
Successfully Launched & Delivered
2015-2018
Founded and led complete hardware/software development of children's activity tracker. Shipped 1000+ units to consumers and schools, enabling 10+ school classes to gamify physical activity with measurable health improvements.
Key Achievements:
- ✓Complete product lifecycle from concept to market
- ✓Circuit design, firmware, and CE certification
- ✓React Native apps with BLE and OTA updates
- ✓Proven impact in schools with health improvements
Technologies:
🤫 Stealth Venture
CTO & Co-Founder (Coming Soon)
2025 - Present
Building an innovative safety-focused solution combining hardware, mobile apps, IoT connectivity, and intelligent backend systems. Addressing critical real-world safety concerns through cutting-edge technology integration.
Key Achievements:
- ✓Full-stack product development from hardware to cloud
- ✓Safety-critical system design and implementation
- ✓Multi-platform integration (hardware + software)
- ✓Solving important real-life safety challenges
Technologies:
💡 Proven ability to take products from concept to market delivery
Complete ownership of the entire product development lifecycle - hardware, firmware, software, and go-to-market
Need a Technical Leader Who Ships?
From architecture to production. From startups to Fortune 500s. I deliver working systems that scale, not just diagrams. B2B contracts, 6-12 month engagements, remote/hybrid delivery.