Senior Software Engineer | Remote

Work SnapshotType: ContractLocation: RemoteCommitment: 10-40 hrs/week What You'll Be DoingDesign, implement, review, and evaluate complex codebase migration and modernisation tasks.Analyse legacy code, dependencies, APIs, databases, build systems, and infrastructure to determine safe migration approaches.Preserve functionality, backwards compatibility, data integrity, security, and performance during migrations.Develop tests and validation strategies to identify migration regressions and behavioural differences.Evaluate AI-generated migration solutions for correctness, completeness, maintainability, and production readiness. What We're Looking ForHave strong relevant experience in the domain.Personally owned or made substantial technical contributions to large-scale production migrations.Experience working with mature systems involving technical debt, complex dependencies, legacy integrations, and significant regression risk.Strong knowledge of compatibility, testing, observability, staged rollouts, rollback strategies, and behavioural equivalence.Ability to reason deeply about unfamiliar codebases and diagnose subtle migration failures. Application ProcessSubmit your application through the Easy Apply button.Each application will be reviewed against the role requirements.Candidates who meet the requirements will receive an email with the next steps.Follow the instructions provided in the email to complete the remainder of the application process.