Hello, I'm
Guillaume Lecomte
Chief Technology Officer with 14+ years of experience designing, building and scaling B2B SaaS platforms. Expert in technology strategy, cloud architecture, performance optimization and engineering team leadership.
Since 2021, I've been leading the digital transformation at Welbees, a scale-up specialized in fatigue risk management for the aviation industry — fully remote.
Skills & Expertise
14+ years of tech experience
Technology Strategy & Vision
Technical roadmap definition, tech/business alignment, technical due diligence for fundraising, C-level advisory
Cloud Architecture & Microservices
Distributed systems design, microservices, REST/GraphQL/gRPC APIs, event-driven, cloud-native (AWS, Azure, GCP)
Leadership & Management
Tech team hiring and structuring, mentoring, code review, pair programming, Agile/Scrum methodologies
Artificial Intelligence & Data
AI/ML integration in SaaS products, algorithmic scoring, predictive analytics, massive data processing
DevOps & Performance
CI/CD, Infrastructure as Code, monitoring, performance optimization and infrastructure cost reduction
Technical Project Management
Complex project management, multi-team coordination, KPI tracking, stakeholder communication
Key Achievements
Measurable impact across my projects
Welbees
CTO & Lead Developer
SaaS Scale-up • Fatigue Risk Management • Aviation Industry
Architecture Redesign
Complete redesign of data collection & AI fatigue scoring platforms
Cloud Costs
Drastic reduction through legacy modernization and infrastructure optimization
Import Performance
Import time reduced from 30 min to 2-3 min via gRPC streaming + multithreading
International Adoption
Platform adopted by EASA and 5 European airlines
Dekra Automotive
Senior Full Stack Developer
Consulting via Azeo • Vehicle Inspection • Field Applications
Disconnected Mode
Tablet/web applications with innovative offline-first synchronization
Field Adoption
Significant improvement in technician usage in the field
Cloud Migration
Microservices architecture on AKS with Azure Service Bus
Cdiscount
Technical Lead - Web Analytics
Consulting via Azeo • E-commerce • Analytics & Data
Tracking Domain
Led Web Analytics domain and improved data reliability
Annual Management
Technical budget ownership and multi Feature Teams coordination
Data Quality
Improved behavioral analytics and data-driven decisions
Tech Stack
Backend
Frontend
Data & AI
DevOps & Cloud
Methods & Tools
Soft Skills
Areas of Interest
Get In Touch
Have a question, a mission or a project? Feel free to contact me.