06/05/2026 updated
100 % available
Sr. Software Engineer & Site Reliability Engineer | Security, Infrastructure, Full-Stack Development
Viby J, Denmark
Worldwide
Computer Science studies at Aarhus University (not completed)About me
I'm a detail-oriented professional focused on high-quality, secure code. Pragmatic and efficient, I balance strategic oversight with meticulous execution in fast-paced environments. I am a proactive communicator, technically grounded, and dedicated to continuous learning.
PHPSystems EngineeringSoftware QualityProtocol StackFreeBSDOpen Source TechnologySoftware ArchitectureReliability EngineeringRubySoftware SafetySecure CodingSoftware Engineering ProcessSoftware EngineeringSupport EngineeringSystem Integrity
Programming Languages
Proficiency in a wide range of programming languages including Go, Python, Java, Javascript, Ruby, Perl, and PHP, with a strong focus on open source based technologies.
Site Reliability Engineering & Distributed Systems
Extensive experience engineering and maintaining core distributed services such as distributed locking, leader election, and synchronized time, critical to the reliability and consistency of planet-scale systems.
Security in Depth & Infrastructure as Code
Deep expertise in security in depth across all layers of the technology stack, combined with hands-on experience implementing Infrastructure as Code (IaC) to streamline operations and enhance scalability.
Database Management
Solid experience working with relational databases including PostgreSQL, MySQL, and SQLite across multiple production environments.
Operating Systems
Strong command of Linux, FreeBSD, and OpenBSD operating systems, with practical experience managing server operations and system administration.
Full-Stack Development
Comprehensive full-stack development capabilities including frontend work with HTML/CSS and single page applications, as well as backend development and data migration.
TCP/IP Networking
Solid understanding of TCP/IP networking principles applied across infrastructure design and system architecture projects.
Payment Systems & PCI-DSS
Pioneering implementation of PCI-DSS requirements and deep knowledge of payment protocols used for communication with Nets and other critical business partners.
Asynchronous Processing & Source Code Audits
Provision of specialized services including asynchronous processing implementation and source code audits as part of independent consulting engagements.
Jurisdictional Autonomy & Digital Sovereignty
Consulting on the design of systems that eliminate reliance on services within undesired jurisdictions, ensuring clients maintain full operational control and legal independence.
Proficiency in a wide range of programming languages including Go, Python, Java, Javascript, Ruby, Perl, and PHP, with a strong focus on open source based technologies.
Site Reliability Engineering & Distributed Systems
Extensive experience engineering and maintaining core distributed services such as distributed locking, leader election, and synchronized time, critical to the reliability and consistency of planet-scale systems.
Security in Depth & Infrastructure as Code
Deep expertise in security in depth across all layers of the technology stack, combined with hands-on experience implementing Infrastructure as Code (IaC) to streamline operations and enhance scalability.
Database Management
Solid experience working with relational databases including PostgreSQL, MySQL, and SQLite across multiple production environments.
Operating Systems
Strong command of Linux, FreeBSD, and OpenBSD operating systems, with practical experience managing server operations and system administration.
Full-Stack Development
Comprehensive full-stack development capabilities including frontend work with HTML/CSS and single page applications, as well as backend development and data migration.
TCP/IP Networking
Solid understanding of TCP/IP networking principles applied across infrastructure design and system architecture projects.
Payment Systems & PCI-DSS
Pioneering implementation of PCI-DSS requirements and deep knowledge of payment protocols used for communication with Nets and other critical business partners.
Asynchronous Processing & Source Code Audits
Provision of specialized services including asynchronous processing implementation and source code audits as part of independent consulting engagements.
Jurisdictional Autonomy & Digital Sovereignty
Consulting on the design of systems that eliminate reliance on services within undesired jurisdictions, ensuring clients maintain full operational control and legal independence.
Experience
Professional experience10+ years
Freelancer since2026
Languages
DanishNative speakerEnglishFluent
Project history
Providing specialized expertise in infrastructure design and implementation of Infrastructure as Code (IaC), driving migrations toward memory-safe solutions, and consulting on jurisdictional autonomy and digital sovereignty for clients.
Engineered and maintained core Consensus services critical to the reliability of Google's planet-scale distributed systems. Led cross-functional reliability initiatives, mentored junior SREs, and drove significant improvements in system security, performance, and operational efficiency.
Provided specialized independent consulting services including full-stack development, advanced troubleshooting, data migration, asynchronous processing implementation, source code audits, and technical due diligence for external vendor proposals.