DM
All career paths
Impact

Senior Developer

Lead ambiguous work, reduce risk, and multiply the effectiveness of a team.

The goal

Create durable outcomes across systems and people—not simply produce more code.

1

Systems and judgment

Make decisions that remain sound beyond the immediate task.

  • Design systems around real scale, reliability, security, and cost requirements
  • Explain architecture trade-offs and reject unnecessary complexity
  • Understand service boundaries, data ownership, and failure modes
  • Plan incremental migrations with rollback and compatibility strategies
  • Make build-versus-buy decisions using business and operational context
  • Know which decisions are reversible and which deserve deeper review
2

Production leadership

Own how systems behave after deployment.

  • Define useful service indicators, objectives, dashboards, and alerts
  • Lead incidents calmly with clear roles and communication
  • Write blameless postmortems with concrete prevention work
  • Run production-readiness and security reviews
  • Plan capacity, degradation behavior, and disaster recovery
  • Reduce operational toil through simple automation
3

Organizational impact

Help a group make better decisions and deliver stronger outcomes.

  • Turn unclear goals into an executable technical direction
  • Communicate risks and trade-offs to product, design, and leadership
  • Lead projects across team boundaries without relying on authority
  • Mentor engineers by creating opportunities, not taking over their work
  • Create standards that solve demonstrated problems
  • Connect technical investment to customer and business outcomes

Projects to practice

  • →Lead a cross-team initiative with measurable customer or operational impact
  • →Design and execute a high-risk migration with a tested rollback
  • →Improve a service's reliability using indicators, objectives, and incident history
  • →Establish a technical practice that makes multiple engineers more effective

Evidence of growth

  • Successfully leads important work with incomplete requirements
  • Reduces risk before it becomes an incident
  • Makes other engineers more autonomous and effective
  • Influences outcomes beyond a single repository or feature