Kalle Sirkesalo

Field CTO at Eficode

Navigating the complexities of AI-Driven DevOps, Platform Engineering, and Secure Software Delivery.

About Me

I am the Field CTO at Eficode. For over a decade, I've been guiding organizations through the sometimes stormy waters of modern software development. My focus lies in integrating AI-powered tools, implementing robust DevSecOps practices, and building stable Platform Engineering foundations.

From scaling CI/CD in highly regulated industries to managing complex GitHub Enterprise environments, I help clients turn ambitious business goals into scalable, secure technology roadmaps. I am passionate about responsible AI adoption—ensuring transitions result in controlled efficiency rather than chaos.

When not charting technical strategies, you can find me sailing—a pursuit that perfectly mirrors my professional commitment to precision, strategy, and adaptability to changing conditions.

Expertise & Impact

Over a decade of hands-on experience delivering transformative DevOps and platform engineering solutions across diverse industries.

Industries

Trusted by Leading Sectors

Deep experience across Finance & Banking, Telecommunications, Gaming, Healthcare, Manufacturing, Automotive, Education, Transportation, and IoT. From startups to enterprises with 10,000+ users.

Cloud & Infrastructure

Multi-Cloud Mastery

Expert in AWS, Azure, and Google Cloud. Specializing in Kubernetes, Docker, microservices architecture, and cloud migration strategies that deliver measurable ROI.

DevOps Platforms

Enterprise Toolchains

GitLab, GitHub Enterprise, Atlassian Suite, Jenkins, Terraform, and custom platform engineering solutions. Built systems supporting 2,000+ developers and managed services for universities and enterprises.

Business Outcomes

Proven Results

€1-10M annual savings for clients. 40% application reduction through consolidation. 4-5x faster deployments. Reduced lead times from months to days in regulated industries.

Security & Compliance

DevSecOps Leadership

Expertise in highly regulated environments including banking, finance, and healthcare. Implementing separation of duties, audit trails, and security-first CI/CD pipelines.

Strategic Guidance

From Vision to Execution

Architecting enterprise-scale solutions, leading digital transformations, and guiding C-level stakeholders through complex technical decisions. Balancing innovation with operational stability.

Select Client Projects

A selection of organizations I've helped transform their software delivery capabilities.

Finance & Banking

OP Bank

Implemented comprehensive software engineering environment for one of Finland's largest financial institutions, ensuring compliance while enabling developer productivity.

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Finance & Banking

UK Financial Institution

Deployed GitLab DevOps platform for 10,000 users in a highly regulated environment, delivering enterprise-grade security and compliance.

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Telecommunications

DNA

Built modern DevOps toolchain supporting over 2,000 developers, enabling faster delivery for Finland's leading telecommunications provider.

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Telecommunications

Moi Mobiili

Guided cloud migration and DevOps transformation for emerging telecom operator, establishing scalable infrastructure from the ground up.

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Automotive

Daimler Truck

Consolidated platforms across 40 business applications, achieving 40% reduction in complexity while maintaining operational excellence.

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Gaming

Rovio

Architected automated software production line for the creators of Angry Birds, enabling rapid deployment cycles for global gaming platforms.

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Healthcare

KAMU Health

Deployed Kubernetes infrastructure on Azure for healthcare provider, ensuring GDPR compliance and high availability for sensitive patient data systems.

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Transportation

VR Group

Established centralized DevOps environment for Finland's national railway operator, modernizing legacy systems while ensuring safety-critical reliability.

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Education

Eindhoven University of Technology

Delivered GitLab as a managed service for leading European technical university, supporting research and academic software development at scale.

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Speaking

I frequently share insights at industry events and webinars on DevOps governance, AI, and platform engineering.

DevConf 2025

AI-Powered Slopsquatting & Supply Chain Threats

Exposing the nature of AI-driven supply chain attacks and how to implement robust strategies to counter them.

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The DEVOPS Conference

Modern CI/CD at Scale: Controlled Efficiency

Strategies for scaling CI/CD processes in regulated industries, emphasizing IaC and security integration.

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Eficode Webinar

GitHub Enterprise Server: Real-Life Lessons

Drawing from a decade of managing GHES: navigating migrations, backups, and effective CI/CD integration.

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Writing & Thoughts

Eficode Blog

Azure OpenAI and Your Atlassian Data

How Azure OpenAI can create long-term value for experts and customers, and the investment required to understand it.

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Eficode Blog

DevOps in Banking & Finance

Conquering challenges in regulated sectors covering platform engineering, security, and talent management.

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Eficode Blog

Separation of Duties in DevOps

Overcoming the main challenges of separation of duties in GitLab and modern DevOps workflows.

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What I Want to Do Next

The kind of work and challenges I'm looking to take on going forward.

Focus Area

AI-Native Product Development

Working with teams building genuinely AI-native products — not AI as a buzzword, but AI deeply integrated into the product's core value proposition and development process.

Focus Area

Strategic Technical Leadership

Field CTO or Principal-level roles where I can bridge deep technical expertise with business strategy — helping leadership teams make high-stakes technology decisions with confidence.

Focus Area

Developer Experience at Scale

Building or evolving internal developer platforms and engineering cultures that measurably improve how hundreds or thousands of developers work every day.

Video Content

Deep dives, talks, and discussions on my YouTube channel.

Talk · Hamburg 2025

How AI Works

A talk from Hamburg explaining AI fundamentals and practical implications for engineering teams.

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Atlassian Jira DC to Cloud migration - Riga

Talk · Atlassian Community Riga

Jira Data Center to Cloud Migration

Presented at Atlassian Community Event Riga — practical lessons from migrating Jira Data Center to Atlassian Cloud.

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Atlassian Rovo Lunch and Learn Switzerland

Talk · Lunch & Learn Switzerland

Atlassian Rovo & AI

A Lunch and Learn session in Switzerland exploring Atlassian Rovo and the practical applications of AI in modern toolchains.

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Kalle Sirkesalo on YouTube

Explore my full library of videos covering DevOps, AI, Platform Engineering, and more. Subscribe for the latest updates.

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Video Topic

DevOps & AI Integration

Discussions on how artificial intelligence is reshaping the DevOps landscape and practical implementation strategies.

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Video Topic

Platform Engineering Insights

Sharing experiences and best practices for building and maintaining effective internal developer platforms.

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