Software Engineer · Solutions Architect

Shawn Viljoen

I design and evolve backend systems that stay resilient under real-world complexity. My focus is steady architectures, pragmatic delivery, and creating clarity when requirements are still forming.

I work across backend engineering and architecture, with an emphasis on clean boundaries, observability, and calm operations. I care about the humans who build and run the systems as much as the systems themselves.

Let’s Connect Selected Impact

LinkedIn / GitHub

About

Calm systems, clear decisions, and steady leadership.

I’ve spent more than a decade building backend systems that need to be dependable, understandable, and easy to evolve. I’m at my best when I’m translating complex requirements into simple, durable designs.

My architecture mindset is grounded in feedback loops: ship incrementally, measure carefully, and keep the people running the platform in the conversation. I value well-structured boundaries, thoughtful tradeoffs, and communication that makes ambiguity manageable.

I’m currently leaning into AI-adjacent workflows and modern platform patterns, with a focus on what is practical, safe, and actually useful for teams.

Core Competencies

A focused set of skills that compound together.

Architecture & Systems

Distributed systems design
Event-driven and message-based architectures
Reliability, observability, and resilience
System boundaries and integration strategy

Backend & Cloud

Backend services (.NET, APIs, data workflows)
AWS foundations and infrastructure as code
Data stores and performance tuning
Operational readiness and deployment flows

Leadership & Communication

Technical strategy and decision framing
Cross-team alignment and mentorship
Architecture reviews and technical writing
Human-centered delivery practices

Selected Impact

Representative outcomes from recent work.

Stabilized high-traffic messaging flows

Designed operational guardrails and error-handling patterns that reduced incident noise and made failure modes visible earlier.

Guided a gradual cloud migration

Mapped dependencies, staged workloads, and supported teams through a phased move to AWS without disrupting delivery cadence.

Improved developer platform consistency

Aligned CI/CD patterns and internal tooling so teams could ship changes with fewer manual steps and clearer accountability.

Clarified architecture decisions early

Facilitated design reviews that made tradeoffs explicit and reduced rework across backend and infrastructure teams.

Writing

Upcoming notes on architecture, delivery, and systems thinking.

Contact

Open to conversations about architecture, platform strategy, and engineering leadership.

If you’re building reliable systems or looking for an architectural partner, I’d be glad to connect.

Email Me LinkedIn