We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 7,400 CI&Ters; around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are seeking a Mid-Level Database Migration Developerr to support the migration of applications, databases, and pipelines across multiple DBMS, including Cassandra, MongoDB, Oracle, MySQL, BigQuery, CrunchyDB, Postgres, and Hive DB. The successful candidate will execute efficient and secure migration processes, ensuring data integrity and minimal downtime, while collaborating with cross-functional teams and maintaining thorough documentation. Responsibilities: Assess and Plan Migrations: Evaluate existing databases and define strategies aligned with business and technical requirements Implement ETL and Transformations: Build ETL processes and apply data transformations to match target database schemas Execute and Validate Migrations: Perform migrations between different DBMS and verify data integrity, consistency, and performance Collaborate and Document: Work with developers, administrators, and project managers while maintaining clear technical documentation Troubleshoot and Optimise: Identify issues, apply fixes, and improve performance during migration processes Requirements for this challenge: Bachelor’s degree in Computer Science, IT, or a related field Proven experience in database migration with hands-on expertise in at least three of the following: Cassandra, MongoDB, Oracle, MySQL, BigQuery, CrunchyDB, Postgres, Hive DB Strong knowledge of ETL processes, data modelling, and database architecture Proficiency in SQL and experience with scripting/programming languages such as Python, Java, or Shell Experience with cloud database services on Google Cloud, AWS, or Azure English advanced/fluent Nice to have: Certifications in database or cloud technologies such as AWS Certified Database – Specialty or Google Cloud Professional Data Engineer Familiarity with data governance and quality processes Experience in database performance tuning and optimisation #LI-JP3 Our benefits include: - Premium Healthcare - Meal voucher - Maternity and Parental leaves - Mobile services subsidy - Sick pay-Life insurance - CI&T; University - Colombian Holidays - Paid Vacations And many others. Collaboration is our superpower, diversity unites us, and excellence is our standard. We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.