Jonathan Delvaux
Senior Software Engineer
Calgary, AB, Canada
linkedin.com/in/jdel
gitlab.com/djoproject
Canadian Permanent Resident (PR)
Summary
Senior Software Engineer with 14+ years of experience building backend and system-level software. Strong background in
networking, cloud infrastructure, and distributed systems. Proven ability to design, operate, and scale reliable services in
production environments supporting large user and device fleets.
Skills
Languages Rust, Python, Bash, SQL, C
Backend RabbitMQ, Redis, REST API, gRPC, Protocol Buffers, Distributed Systems
Cloud Consul, Vault, Nginx, Ansible, Docker
Observability Prometheus, VictoriaMetrics, Grafana, OpenTelemetry, Jaeger
Protocols Ethernet, IPv4/IPv6, VLAN, VXLAN, DNS, TLS
Routing RIP, OSPF, BGP
Operating systems Linux, Unix, macOS
Security GPG, SSH, OpenVPN
Professional experiences
Nov 2025 – Present Senior Software Developer, snowslab.ca/snowslab.fr (Personal project), Calgary, Canada
○ Developed a weather data processing platform generating meteograms from more than 500 weather stations.
○ Built backend services to collect and visualize environmental data to improve decision-making in avalanche terrain.
○ Working across data ingestion, processing pipelines, and service deployment in a cloud-based environment.
○ Applying domain knowledge in weather systems and outdoor safety to deliver a practical, real-world application.
Jun 2022 – Oct 2025 DevOps/SRE Engineer, Scaleway (Cloud provider), France
○ Contributed to the development and operation of the Virtual Private Cloud (VPC) product.
○ Operated network infrastructure composed of more than 5k devices using Infrastructure as Code.
○ Implemented monitoring, telemetry, and alerting systems to increase network visibility and reliability.
○ Collaborated with product, platform, and network teams to ensure high availability and operational excellence.
Jun 2020 – Jun 2022 Software Developer, Cisco Systems (Cybersecurity), France
○ Developed backend components for Cisco CyberVision, focusing on network data capture and analysis.
○ Worked closely with security and networking teams to ensure accurate and reliable data collection.
○ Contributed to improving performance, robustness, and maintainability of backend systems.
Jun 2017 – Sept 2019
DevOps/SRE Engineer, OVH (Cloud provider), France
○ Automated configuration, deployment, and monitoring of more than 13k network devices.
○ Developed tools to standardize network operations and reduce manual intervention.
○ Improved observability and incident response through centralized monitoring and alerting systems.
Nov 2015 – Jun 2017 Software Developer, Bajoo (Startup), France
○ Developed backend services for a cross-platform file sharing and synchronization application.
○ Worked on application packaging, deployment, and release processes.
○ Contributed to improving system stability, performance, and user experience in a startup environment.
Mar 2014 – Nov 2015
Software Developer, Smals (Public Administration), Belgium
○ Developed automated workflows for pension attribution and payment processing systems.
○ Improved reliability and efficiency of large-scale administrative applications.
○ Worked within regulated public-sector environments requiring high accuracy and resilience.
○ Collaborated with functional analysts and stakeholders to deliver compliant solutions.
Oct 2012 – Sept 2013
Researcher – Computer Security, UCL, Belgium
○ Conducted research in NFC security, including encryption, encoding, and pseudo-random number generation.
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Education
2012 MSc in Computer Science, Networking and Security
UCL, Belgium
2008 BSc in Computer Science, Network and Telecommunications.
H.E.R.S. IN.PR.E.S., Belgium. CCNA training.
Languages
French Native (CLB: 12)
English Fluent (CLB: 10)
Spanish Basic (CLB: 3)
Past Certifications
Cisco CCENT Expired on Jan 2021
Cisco CCNA Expired on Jan 2022
End-of-study works
2012 Mirror your neighbors, UCL, Belgium, Supervisor : Gildas Avoine, Distinction
Security research evaluating real-time reconstruction of unencrypted HTTP data streams using custom
tooling.
2008
Business Intelligence : generic data transfer, H.E.R.S. IN.PR.E.S., Belgium, Supervisor :
Ludovic Kuty, Distinction
Development of a generic ETL tool to transfer XML data into databases.
Additional Information
life-saving European First Aid Certificate, December 2013, January 2022
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