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Engineering Career Ladder

Department: Engineering

Effective Date: January 12, 2026

Last Updated: January 12, 2026

1. Overview​

This document defines the career progression framework for engineers at OX Infy. It covers levels, specializations, and progression guidelines.

2. Engineering Levels​

LevelTitleExperienceScope
L0SDE-Intern0 yearsLearning and assigned tasks
L1SDE-I0-2 yearsTask execution
L2SDE-II2-4 yearsFeature ownership
L3Senior SDE4-6 yearsSystem ownership
L4Lead SDE6-9 yearsTeam leadership
L5Principal Engineer9-12 yearsCross-team technical leadership
L6Product Engineering Lead12+ yearsProduct-level vision

3. Specializations​

Engineers at any level can specialize in one or more technology areas:

3.1 Frontend​

TechnologyDescription
ReactWeb application development

3.2 Backend​

TechnologyDescription
NestJSNode.js backend framework
PythonBackend services and scripting

3.3 Mobile​

TechnologyDescription
iOS (Swift)Native iOS development
Android (Kotlin)Native Android development

3.4 DevOps​

TechnologyDescription
AWSCloud infrastructure
CI/CDBuild and deployment pipelines
DockerContainerization

4. Title Format​

4.1 Official Title​

[Level Title]

Example: SDE-I, SDE-II, Senior SDE

4.2 Internal Reference​

[Level Title] [Specialization]

Examples:

  • SDE-I [React]
  • SDE-II [iOS]
  • Senior SDE [NestJS]
  • Lead SDE [DevOps]

4.3 Multiple Specializations​

Engineers may have multiple specializations:

SDE-II [React, NestJS]
Senior SDE [iOS, Android]

5. Level Expectations​

L0 - SDE-Intern​

  • Completes assigned tasks with guidance
  • Learns codebase and processes
  • Asks questions and seeks feedback

L1 - SDE-I​

  • Delivers well-defined tasks independently
  • Writes clean, tested code
  • Participates in code reviews

L2 - SDE-II​

  • Owns features end-to-end
  • Mentors interns and SDE-Is
  • Contributes to technical discussions

L3 - Senior SDE​

  • Owns systems and leads technical decisions
  • Drives architectural improvements
  • Mentors junior and mid-level engineers

L4 - Lead SDE​

  • Leads team technical direction
  • Manages delivery and quality
  • Builds team capabilities

L5 - Principal Engineer​

  • Solves complex cross-team problems
  • Influences org-wide technical standards
  • Deep individual contributor

L6 - Product Engineering Lead​

  • Drives product-level technical vision
  • Coordinates across teams and functions
  • Shapes engineering strategy

6. Progression Guidelines​

6.1 Promotion Criteria​

FactorWeight
Technical skills40%
Impact and delivery30%
Leadership and mentorship20%
Collaboration10%

6.2 Progression Path​

L0 → L1 → L2 → L3 → L4 → L5 → L6
         ↓
    (Specialization changes allowed at any level)

6.3 Lateral Movement​

  • Engineers can change specializations at any level
  • Requires demonstrated learning and competency
  • No level change required for specialization switch

6.4 Review Cycle​

  • Performance reviews: Bi-annual (June and December)
  • Promotion eligibility: Annual
  • Specialization updates: Anytime with manager approval

7. Job Descriptions​

Detailed job descriptions for each level are available in the Job Descriptions section.

Contact​

For career-related queries: