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Insights from Nordium Labs

Essays on building production systems, technical strategy, and lessons learned from working with fast-moving teams.

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Technical deep dives, case studies, and founder notes.

Featured

Lessons from scaling a Rails monolith without losing developer velocity

We grew a single Rails application to support millions of requests per day while keeping iteration speed high. In this post we unpack the architecture decisions, trade-offs, and tooling that made it possible.

Author
Marcus Wilstrup Tech Lead & Co-Founder
May 7, 2025 12 min read
Architecture Rails
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Case Study

Cutting 2M+ DKK in infrastructure costs without a rewrite

How we approached observability, load profiling, and targeted refactors to bring costs down while keeping the roadmap moving.

Apr 21, 2025 · 8 min read Read

Playbook

Technical due diligence for early-stage investors

A practical checklist for evaluating engineering teams, codebases, and infrastructure in fast-moving startups.

Mar 3, 2025 · 10 min read Read

Founder Notes

When to bring in a fractional CTO versus a full-time hire

Trade-offs, warning signs, and patterns we've seen across SaaS, marketplaces, and internal tooling products.

Jan 29, 2025 · 6 min read Read

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