Senior Java Software Engineer (Oracle) - OP02295

# Senior Java Software Engineer (Oracle) - OP02295 > Dev.Pro · São Paulo, Brazil (Remote) · — · Posted 2026-10-29 **Workplace:** remote **Department:** OP ## Description We are hiring in Latin America! 🟢 At Dev.Pro, a US-based outsourced software development company, we're looking for contractors to join our global team of IT professionals helping tech companies scale their business through software engineering expertise. Operating as a remote-first company, our experts work across 55+ countries on five continents, giving us the flexibility and skillset to deliver high-quality engineering for projects of any size or complexity. We invite a Senior Java Software Engineer with strong Oracle expertise to join a large-scale platform modernization initiative. You’ll work on a project that involves consolidating multiple platforms around Oracle, designing the database schema for a new application, and supporting a future MySQL-to-Oracle migration. In this role, you'll combine hands-on Java development with advanced database engineering and collaborate with cross-functional teams to deliver reliable solutions. **🟩 What's in it for you:** - Contribute to a large-scale platform modernization initiative that includes a future MySQL-to-Oracle migration - Solve complex technical problems across application and database layers, combining hands-on Java backend development with advanced Oracle database engineering - Collaborate with cross-functional teams to improve the performance and reliability of a business-critical platform serving 100k users ✅ **Is that you?** - 5+ years of experience building, debugging, and optimizing scalable Java backend applications - Strong proficiency in Java 8–17, object-oriented design, design patterns, multithreading, and concurrency - Hands-on Oracle development experience in production, with strong knowledge of database internals (indexing, query optimization, partitioning, replication, and transaction behavior) - Advanced SQL skills, including performance troubleshooting - Experience with production database operations (backup/restore, high availability, disaster recovery, failover), including executing changes with minimal downtime - Experience writing unit tests with JUnit and Mockito - Experience with cloud platforms (preferably GCP) and Kubernetes or similar orchestration tools - Hands-on Linux/Unix experience and scripting skills in Bash, Python, or similar languages - Ability to work independently, take ownership of technical tasks, and proactively identify and resolve blockers - Strong communication skills and experience collaborating with cross-functional Scrum teams and leading technical discussions - Upper-Intermediate+ English level **Desirable:** - Hands-on Oracle DBA experience in production - Experience with major Oracle version upgrades or large-scale database migrations - Oracle certification - Experience with Groovy and Gradle - Experience with CI/CD pipelines **🧩Key responsibilities and your contribution** In this role, you'll combine Java backend development with Oracle database engineering, troubleshooting production issues, improving performance, and supporting migration activities. - Design, develop, and maintain scalable Java backend applications - Design the Oracle database storage schema for a new application - Support the planning and execution of a future MySQL-to-Oracle migration - Develop and optimize SQL queries to improve database performance - Troubleshoot complex application and database issues in production environments - Support production database operations and implement changes with minimal downtime - Write and maintain unit tests using JUnit and Mockito - Collaborate with cross-functional teams on technical design and implementation decisions - Create and maintain technical documentation for relevant project activities **Our next steps:** ✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Offer **Interested? Find out more:** [](https://drive.google.com/file/d/1HtZZ5S5bQGUkP9ndK4RalcKg5mPSGXgp/view?usp=sharing)[](https://career.dev.pro/how-we-hire/)[📋How we hire](https://career.dev.pro/how-to-join-us/) [💻 LinkedIn Page](https://www.linkedin.com/company/2340834/) [📈 Our website](https://dev.pro/company/) [💻IG Page](https://www.instagram.com/devpro.global/) By submitting application, I've read and agree to the Dev.Pro [Private Policy and Consent on Processing of Personal Data](https://career.dev.pro/privacy-policy/#consent). I agree to have my Personal Data being stored and processed by Dev.Pro. ## Apply [Apply at Dev.Pro](https://apply.workable.com/devpro/j/90F643F9B3/apply) --- Powered by [Workable](https://www.workable.com)