Software & Systems Architect ·London, UK Open to collaboration
I design systems that stay legible as they grow.
So growth doesn't mean growing risk.
Hiring? Find me on LinkedIn →
- Cloud Architecture
- API Design
- Security and Identity
- Infrastructure Automation
- Data Architecture, Analytics and Governance
- Networking and Systems Administration
Repository
Recent write-ups, plus the series worth starting with
Real projects and the architecture decisions inside them. Study notes from what I'm learning. Documentation that sparked something worth keeping. Published so the reasoning holds up for whoever needs it next, including future me.
Recent posts
View the full repository →-
Azure Application Gateway: Layer 7 Load Balancing, TLS Termination, and WAF
Azure Application Gateway is a Layer 7 (application-layer) load balancer for web traffic. It's also a regional resource: a gateway is deployed into a dedicated…
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Azure Traffic Manager: How DNS-Based Global Traffic Routing Works
Azure Traffic Manager is a DNS-based traffic load balancer that distributes traffic to service endpoints across different Azure regions and data centres worldw…
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Introduction to csabakeller.com
The demo is the site itself Most portfolios tell you what someone can build. This one runs on it. csabakeller.com is a self-hosted Django site. A public landin…
Work with me
A second look at your hardest integration problem.
I take on a limited number of engagements outside my day-to-day role — usually where an outside perspective on a system's design is worth more than another pair of hands inside it.
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Architecture review
A second pair of eyes on a system design, integration plan, or migration approach before you commit engineering time to it — where it'll break under load, where the governance/security constraints bite, and what I'd change.
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Integration & migration advisory
Planning or de-risking a platform migration or integration layer — brownfield modernisation on Workday and Salesforce platforms, a greenfield SaaS implementation built from the ground up, or a move toward event-driven patterns. The kind of work that's easy to start and expensive to get wrong.
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Fractional architecture support
Ongoing input on a team's technical direction without a full-time hire — regular check-ins, design reviews, and a sounding board for the decisions that are hard to make alone.
Contact
Have something worth building? Let’s talk.
Collaborations, side projects, or a second pair of eyes on an architecture — here's how I typically work with people, or just send a message.