Sam Dumont
Freelance IT Professional
Cloud and DevOps specialist
Embedded Systems Engineer
ex-AWS
sam@dropbars.be +32 487 633 993 Laeken, Belgium https://www.linkedin.com/in/samdumont/
Laeken, Belgium
About
Experienced Cloud architect. DevOps evangelist. Enjoy to break silos and improve processes. Loves endurance sports. Always eager to try new technologies.
Experience
Garmin ConnectIQ Developer @ Microoled — Freelance
Grenoble, France · Remote
Summary
- Implement and maintain Microoled ConnectIQ DataField application
Responsibilities
- Improve and expand the capabilities of the ActiveLook Datafield.
Garmin ConnectIQ Developer @ Darefore — Freelance
Pafos, Cyprus · Remote
Summary
- Develop embedded software solutions for the Darefore ecosystem with focus on device integration and connectivity.
Responsibilities
- Implement and maintain Garmin ConnectIQ DataField applications
- Develop and optimize sensor software solutions
- Conduct extensive field testing through cycling activities
Achievements
- Completely redesigned the sensor software architecture to incorporate custom GATT services
Data Platform Team Engineer @ DPG Media — Freelance
Antwerp, Belgium · Hybrid
Summary
- Enable internal stakeholders in storing, transforming and consuming large-scale data gathered by DPG Media.
Responsibilities
- Architect and implement multi-tenant Airflow platform with multi-account AWS infrastructure
- Develop AI-powered analysis platform for Qlik Sense apps and Airflow DAGs
- Provide technical guidance to internal teams on platform utilization
Achievements
- Migrated from Conveyor to self-managed multi-tenant Airflow on EKS with tenant isolation and custom RBAC
- Implemented multi-account AWS strategy with cross-account data access and security isolation
- Built AI analysis system for 2000+ Qlik apps and 500+ Airflow DAGs — solo project, PoC to production in 4 weeks
- Identified and resolved critical cost and performance issues through AI-powered analysis across the platform
- Migrated Qlik Sense to high-availability cluster with RDS PostgreSQL and FSx shared storage
- Deployed OpenSearch-based monitoring and observability with custom dashboards
Garmin ConnectIQ Developer @ Stryd — Freelance
Boulder, CO, USA · Remote
Summary
- Lead development efforts for Stryd's Garmin datafield.
Responsibilities
- Hired based on prior open-source achievements with RunPowerWorkout project
- Contibute to the backend systems on Garmin related features
Achievements
- Completed comprehensive refactoring of the Stryd Zones Garmin datafield
Technical Account Manager @ Amazon Web Services
Brussels, Belgium · Hybrid
Summary
- Serve as primary technical liaison for enterprise-level customers, ensuring optimal AWS implementation and utilization.
Responsibilities
- Facilitate customer onboarding processes
- Provide strategic guidance and best practices for solution architecture
- Establish connections with relevant subject matter experts
- Manage technical cases and deliver insights on AWS utilization and optimization
- Maintain proactive oversight of customer AWS environments
Lead Cloud Engineer @ dataroots
Leuven, Belgium · Hybrid
Summary
- Lead cloud engineering initiatives and provide enterprise-level consulting services while driving data transformation projects
Responsibilities
- Lead and mentor an 8-person team while delivering bi-annual training sessions on topics suchs as Cloud Security or Kubernetes
- Architect and implement cloud solutions across multiple industries using AWS, Azure, and GCP
- Provide technical guidance and troubleshooting support for cross-functional teams
Achievements
- Designed and deployed multiple end-to-end AzureML data platforms (Finance, Government)
- Successfully productionalized a machine learning model using R, Shiny and Kubernetes (Food and Beverage)
- Successfully productionalized a Kubeflow environment (Food and Beverage)
- Architected and implemented an Azure-based data science laboratory (Pharmaceutical)
- Optimized Spark compute infrastructure through EKS and Karpenter implementation (Finance)
DevOps Chapter Lead @ Keytrade Bank
Brussels, Belgium · On-site
Led DevOps transformation, managed 3 engineers, participated in IT Architecture Board strategic planning.
Summary
- Champion DevOps transformation and enable autonomous development practices across the organization
Responsibilities
- Facilitate organizational transformation by eliminating silos and increasing team autonomy
- Manage and guide a team of 3 DevOps engineers in platform development and team coaching
- Participate in IT Architecture Board strategic planning alongside C-level executives
DevOps and Cloud engineer @ Keytrade Bank
Brussels, Belgium · On-site
Built hybrid cloud platform (EKS + OpenShift) with full IaC, CI/CD pipelines, and zero-config observability stack.
Summary
- Design and implement a scalable hybrid cloud platform enabling developer self-service capabilities
Responsibilities
- Architect and develop a modern hybrid infrastructure platform maximizing application development efficiency
Achievements
- Established hybrid cloud platform using EKS and OpenShift
- Implemented comprehensive Infrastructure as Code using Terraform and CloudFormation
- Created internal APIs and CLIs to support the platform operations
- Created integrated CI/CD system with custom pipeline libraries
- Delivered zero-configuration monitoring and observability stack
- Implemented AWS and RedHat best practices across the platform
- Implemented JIRA workflows to automate and pilot deployments
Linux/AIX engineer @ Bank Degroof-Petercam
Brussels, Belgium · On-site
Modernized Linux/AIX operations, implemented Ansible-based deployments and RedHat Satellite patch management.
Summary
- Maintain and optimize critical Unix systems supporting the bank operations
Responsibilities
- Ensure stability and performance of Linux environment
- Collaborate across teams for application deployment improvements
- Implement and maintain patch management procedures
Achievements
- Modernized Linux environment operations
- Streamlined digital team application deployments
- Implemented Ansible-based application delivery
- Established comprehensive patch management system using RedHat Satellite
Infrastructure and Security Engineer @ Keytrade Bank
Brussels, Belgium · On-site
Modernized VMware infrastructure, established DevOps practices, deployed IAM and security systems.
Summary
- Bridge security and infrastructure operations while supporting CISO initiatives
Responsibilities
- Implement and manage security systems
- Modernize infrastructure components
- Facilitate DevOps adoption across teams
Achievements
- Modernized and consolidated VMware infrastructure
- Established DevOps practices through automation and tooling
- Consolidated logging infrastructure
- Upgraded monitoring from Nagios to Icinga with Grafana integration
- Deployed multiple critical security systems including IAM and vulnerability scanning
System Administrator and Web Developer @ Cadence (formerly NUMECA International)
Brussels, Belgium · On-site
Managed heterogeneous infrastructure, automated workstation imaging with Ansible, deployed SugarCRM replicas.
Summary
- Manage and optimize daily network and system operations across heterogeneous environments
Responsibilities
- Maintain and administer network infrastructure and systems
- Optimize workstation deployment processes
- Manage database replication and performance
Achievements
- Enhanced workstation imaging system efficiency through Ansible automation
- Successfully implemented SugarCRM read replica reducing latency for Asian offices
Projects
Data Platform AI Report Generator
AI-powered static analysis platform for Qlik Sense apps and Airflow DAGs at DPG Media, combining LLM analysis with RAG to identify performance issues and generate fixes.
- Solo project, PoC to production in 4 weeks, using Claude Code/Copilot
- Multi-pass LLM analysis with custom RAG pipeline (HyDE + multi-query RRF)
- Identified actionable cost optimizations and performance fixes across the platform
Reverse-engineered parser for proprietary Race-Keeper .rkd binary telemetry files, enabling GPS and IMU data extraction on macOS/Linux.
- Dual Python + Go implementations with identical output
- First public documentation of the RKD binary format
- 77 tests, 100% coverage, zero external dependencies
A Garmin ConnectIQ datafield to help runners train with Stry power sensors.
- Built the v2 of the datafield
- Led me to a part-time contract with Stryd
A Garmin ConnectIQ datafield that allows controls of a GoPro camera from within an activity.
- Works with GoPro Cameras 9+
- Needed to fully implement a protobuf parser inside the datafield
Skills
Expert
- Airflow
- Ansible
- Architecture
- AWS
- Azure
- Cloud Architecture
- DevOps
- Docker
- Gitlab
- Icinga
- Jenkins
- Karpenter
- KEDA
- Kubernetes
- Linux
- Terraform
- Windows Server
Advanced
Proficient
- AIX
- Bluetooth Low Energy
- Datahub
- dbt
- FastAPI
- HPC
- Kubeflow
- Node.js
- Packer
- R
- RAG
- Snowflake
- Spark
- Valkey
Familiar
- Android WearOS
- HTMX
- Shiny
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Rue du Champ de la Couronne 133, 1020 Laeken, Brussels, Belgium
VAT BE0802943432
Rue du Champ de la Couronne 133, 1020 Laeken, Brussels, Belgium
VAT BE0802943432