💼 Full-Time Position

Senior Spring / Java Migration Engineer

🏢
ByteCrew Technologies Pvt Ltd
📍 lahore, punjab, Pakistan
📍
Location
lahore, Pakistan
📅
Posted
June 06, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Role Summary

ByteCrew Technologies is hiring a Senior Spring / Java Migration Engineer for its Spring Framework Modernisation Practice. The role is hands‑on — executing upgrades, fixing breaking changes, writing regression tests, and shipping migrated code into client repositories on sprint cadence.

Key Responsibilities

  • Execute Spring Boot 2.x 3.x and Spring Framework 5 6 upgrades across client application portfolios.
  • Run OpenRewrite recipes for automated code transformation; debug recipe behaviour.
  • Identify and remediate breaking changes (jakarta.* namespace, removed/deprecated APIs).
  • Refactor Maven and Gradle build files, dependency versions, and lock files.
  • Write and run integration and regression tests using JUnit 5 and Mockito.
  • Address Spring Security CVEs and apply enterprise security patches.
  • Commit, code‑review, and ship migration pull requests through client Git workflows.
  • ...