Senior Software Engineer (Oracle) - OP02295

Dev.Pro; United States; Remote; USD 130,000 - 170,000; Full time

Job summary

Dev.Pro, a US-based outsourced software development company, is seeking a Senior Java Software Engineer with strong Oracle expertise to join a large-scale platform modernization initiative. You will perform hands-on Java development and advanced database engineering to consolidate platforms around Oracle.

You will design database schemas, support a future MySQL-to-Oracle migration, and collaborate with cross-functional teams to deliver reliable solutions across production systems serving

Qualifications

• 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

Responsibilities

• 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

Skills

Java backend development

Oracle database

SQL performance troubleshooting

JUnit & Mockito

Cloud platforms (GCP)

Kubernetes

Linux/Unix scripting (Bash/Python)

Multithreading & concurrency

English communication

Design patterns & OO

Job 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

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