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sebastian.sigl
Sebastian Sigl Staff Engineer · Adevinta

Notes on building software,systems and teams.

Long-form articles on AI-augmented engineering, search, and technical leadership. Some come with a podcast, video or infographic.

Articles
35
Latest
Nov 1, 2026
With podcast / video
10
Topics
Tech · Leadership

Articles

  1. The 5 Biases That Can Silently Kill Your LLM Evaluations (And How to Fix Them)

    Your LLM-as-a-Judge system might be lying to you. This post uncovers 5 critical biases like positional, verbosity, and moderation bias that silently corrupt your AI evaluations, leading to poor product decisions. Learn practical, actionable fixes to build a resilient evaluation framework you can actually trust.

    11 min
  2. High-Performing Teams Focus On These 4 Areas to Remain Successful

    High-performing teams often seem to operate seamlessly, navigating challenges such as tight deadlines or resource limitations while consistently delivering exceptional results. Efficient teams in project-based industries are 2.5 times more likely to meet quality standards and operate with 19% improvement in productivity.

    10 min
  3. Separating Decision Gathering from Decision Making

    Separating decision gathering from decision making enhances agility by allowing teams to collect diverse input without being slowed by the need for consensus. Empowering individuals to make informed decisions based on collective insights fosters innovation and swift progress in tech environments.

    10 min
02

Talks

Video
03

Projects

Open source · Products