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People July 26, 2026

When Will I Be a Senior Engineer?

Rather than time spent or indvidiual experiences, I go back to the knowledge, skills, and behavior of a senior engineer. Not only what you know, but how you show up for your team.

Knowledge

  • Best practices of application design
  • New technologies, services and tools
  • Application of architectural patterns
  • Presents different options for application design along with their pros and cons
  • Effective use of modeling or diagraming tools to present information to technical and non-technical audiences
  • Standard Reading
    • Patterns of Enterprise Architecture Patterns of Enterprise Integration Working Effectively with Legacy Code Service Design Patterns Domain Driven Design

Skill

  • Can review code from engineers at the same level or lower and approve pull requests
  • Can create a personal development plan for a less experienced developer
  • Selecting appropriate reference architectural patterns where applicable and available
  • Effective documentation and communication to technical and non-technical audiences
  • Validate system designs against business specifications
  • Creating well defined interfaces between systems per department best practice
  • Identify and diagnose performance problems using a profiler
  • Coaching and mentoring of less experienced developers

Behavior

  • Design the solution structure of applications
  • Debugging tools - can setup and configure the remote debugger
  • Determines best patterns when appropriate evaluates trade-off of design options
  • Refactors legacy code into patterns
  • Recognizes that code must be re-written based on reviews, and enforces re-writes if not
  • Directs the reading of less experienced developers
  • Follows industry bloggers
  • Optimizes code to create performant solutions
  • Builds security and access control into the design principles
  • Guides and influences engineering department
  • Regularly mentors and coaches’ developers
  • Regularly reviews code of others