Things I Believe
By Evan Sims
People
- Lead with empathy.
- Assume good intent first.
- They might just be having a bad day.
- Criticism is useful if you can listen without ego.
Build
- Bias toward action. Speed is a superpower.
- Small teams with real ownership beat large, coordinated headcount.
- AI-native teams move 10x faster than teams that don't adapt.
- Shipping real software beats perfect strategy decks every time.
- Adoption > releases; if no one uses it, it doesn't exist.
- Opinionated defaults are a feature, not a risk, when you know the domain.
- Infrastructure products win when they remove whole categories of meetings, not add new dashboards.
- The best infrastructure feels like a language the team already speaks, not a ceremony they have to learn first.
Security
- Identity and authorization are core foundations in well-built software, not just compliance checkboxes.
- Good AuthN/AuthZ disappears; bad auth is all users notice.
- ReBAC only works at scale when you treat it as a database problem, not a middleware problem.
- Security is culture and practice, not a one-off or an afterthought.
- Authorization that doesn't model real-world relationships will always be bypassed in real workflows.
- You can't retrofit fine-grained authorization onto a product that never modeled its domain well.
Systems
- Simple systems win; clever systems accumulate pain over time.
- The right abstractions eliminate whole classes of problems.
- Observability is a foundational feature, not an add-on.
- Hardware and distributed systems bend latency and cost; they're not vanity metrics on a slide.
Teams
- Leaders are the ones who take responsibility, not the ones with the title.
- You earn trust by doing the unglamorous work consistently.
- Great teams are built, not hired; hiring is just the starting condition.
- Clear expectations prevent most "people problems" before they ever start.
Developer Experience
- DX is product-market fit for APIs.
- Docs, examples, and SDKs are as important as the core product.
- Teaching is the highest-leverage way to change how people build and think.
- Authenticity beats polish in talks, streams, and content you ship.
- A great API makes the happy path the obvious path.
Growth
- Grit and curiosity compound more than raw talent.
- The best opportunities come from following the problems you can't stop thinking about.
- Side projects and open source are force multipliers for your career.
- Design your career like a product: iterate, measure, and pivot when the data changes.