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Senior Oracle Developer Jobs in Ontario (NOW HIRING)

Virtusa

Senior Java Developer

Mississauga, ON · On-site

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile ...

AIM Software

Senior DevOps Engineer

Toronto, ON · Remote

WHY THIS ROLE IS IMPORTANT TO US We are looking for a Senior DevOps Engineer to join our team ... Extensive Windows and Linux server administration skills, along with Oracle administration, PL/SQL ...

New

Rogers Communications

Sr. Developer

Toronto, ON

We are looking for a highly skilled and innovative Senior Developer who is passionate about ... Strong knowledge of relational and NoSQL databases, including Oracle, Cassandra, and MongoDB.

Rogers Communications

Sr. Developer

Brampton, ON

We are looking for a highly skilled and innovative Senior Developer who is passionate about ... Strong knowledge of relational and NoSQL databases, including Oracle, Cassandra, and MongoDB.

Rogers Communications

Sr. Developer

Brampton, ON · On-site

We are looking for a highly skilled and innovative Senior Developer who is passionate about ... Strong knowledge of relational and NoSQL databases, including Oracle, Cassandra, and MongoDB.

Interac Corp.

Senior Software Developer

Toronto, ON · Hybrid

The vacant Senior Software Developer role will report to the Head, RTR, T&O and will be responsible ... Database design and development using relational databases such as Oracle. What You Bring: * A ...

CIBC US

Senior .NET Developer

Toronto, ON · Hybrid

As an Senior .NET Developer, you'll assemble, implement and maintain easy, flexible, and ... NET Core 8 +, C#, Oracle, JavaScript, Swagger, REST API, GIT, Linux, and Cloud/Containerization ...

CIBC

Senior .NET Developer

Toronto, ON · Hybrid

As an Senior .NET Developer, you'll assemble, implement and maintain easy, flexible, and ... NET Core 8 +, C#, Oracle, JavaScript, Swagger, REST API, GIT, Linux, and Cloud/Containerization ...

Rogers Communications

Sr. Developer

Brampton, ON · On-site

At the more senior levels, application developers are expected to train others, participate in ... Oracle, Cassandra, MongoDB, Postgres) * Understanding of Docker, Play/Akka, Cassandra ...

Rogers Communications

Sr. Developer

Toronto, ON · On-site

At the more senior levels, application developers are expected to train others, participate in ... Oracle, Cassandra, MongoDB, Postgres) * Understanding of Docker, Play/Akka, Cassandra ...

Rogers Communications

Sr. Developer

Brampton, ON · On-site

At the more senior levels, application developers are expected to train others, participate in ... Oracle, Cassandra, MongoDB, Postgres) * Understanding of Docker, Play/Akka, Cassandra ...

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Senior Oracle Developer information

What are the key skills and qualifications needed to thrive as a senior Oracle developer?

To thrive as a Senior Oracle Developer, you need advanced expertise in Oracle databases, strong SQL and PL/SQL programming skills, and a background in computer science or a related field. Familiarity with tools like Oracle SQL Developer, Oracle Application Express (APEX), and certifications such as Oracle PL/SQL Developer Certified Associate are highly valued. Excellent problem-solving, analytical thinking, and communication skills help you collaborate effectively and address complex technical challenges. These competencies ensure robust database solutions, optimized performance, and successful project delivery in enterprise environments.

What are some common challenges faced by senior Oracle developers when working on large-scale database projects?

Senior Oracle Developers often encounter challenges related to optimizing database performance, managing complex data migrations, and ensuring data integrity across multiple environments. Collaborating with cross-functional teams, such as data architects and application developers, requires clear communication to translate business requirements into efficient database solutions. Staying updated with Oracle's evolving technologies and best practices is also crucial to maintain secure and scalable systems.

What is a senior Oracle developer?

Senior Oracle Developers are experienced IT professionals who design, develop, and maintain applications using Oracle databases and related technologies. They are responsible for writing complex SQL queries, PL/SQL scripts, and optimizing database performance. These developers often lead projects, mentor junior team members, and collaborate with business analysts to implement solutions that meet organizational requirements. Their expertise is essential for ensuring the reliability, security, and efficiency of database systems in large enterprises.

What is the difference between Senior Oracle Developer vs Oracle Database Administrator?

AspectSenior Oracle DeveloperOracle Database Administrator
Primary FocusApplication development, SQL coding, PL/SQL programmingDatabase maintenance, performance tuning, security management
Required SkillsSQL, PL/SQL, application design, codingDatabase architecture, backup/recovery, performance optimization
CertificationsOracle Certified Professional (OCP), Developer certificationsOracle Certified Professional (OCP), Database Administrator certifications
Work EnvironmentDevelopment teams, software projectsDatabase operations, system administration

While both roles require Oracle certifications and involve working with Oracle databases, Senior Oracle Developers focus on creating and optimizing applications using SQL and PL/SQL, whereas Oracle Database Administrators manage the overall health, security, and performance of Oracle databases. Understanding these differences helps employers and professionals identify the right role for their needs.

What are the most commonly searched types of Oracle Developer jobs in Ontario? The most popular types of Oracle Developer jobs in Ontario are:
What are popular job titles related to Senior Oracle Developer jobs in Ontario? For Senior Oracle Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Oracle Developer jobs in Ontario look for? The top searched job categories for Senior Oracle Developer jobs in Ontario are:
What are popular job titles related to Senior Oracle Developer jobs in ON? For Senior Oracle Developer jobs in ON, the most frequently searched job titles are:
Senior Oracle Developer jobs near you
Infographic showing various Senior Oracle Developer job openings in Ontario as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Senior Java Developer

Virtusa

Mississauga, ON • On-site

Full-time

Re-posted 12 days ago

Job description

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while collaborating with cross-functional teams. Key Responsibilities Design, develop, test, and maintain high-quality Java applications and services Lead technical design discussions and contribute to architectural decisions Build and optimize RESTful APIs, microservices, and backend systems Ensure application performance, scalability, reliability, and security Write clean, maintainable, and well-documented code following best practices Conduct code reviews and provide constructive feedback to team members Mentor junior engineers and support team knowledge sharing Collaborate with product managers, QA, DevOps, and other stakeholders Troubleshoot complex technical issues in development and production environments Participate in Agile/Scrum ceremonies and contribute to continuous improvement Required Qualifications Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience) 7 years of professional experience in software development Strong proficiency in Java (Java 17 ) Experience with Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID principles Experience building RESTful APIs and backend services Strong knowledge of SQL and relational databases (e.g., PostgreSQL, Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile development environments Excellent problem-solving, communication, and collaboration skills Preferred Qualifications Experience with microservices architecture Exposure to cloud platforms (AWS, Azure, or GCP) Experience with containers and orchestration (Docker, Kubernetes) Knowledge of message queues / streaming platforms (Kafka, RabbitMQ) Familiarity with NoSQL databases (MongoDB, DynamoDB, Cassandra) Understanding of security best practices and authentication (OAuth2, JWT) Experience supporting high-availability or mission-critical systems

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About Virtusa

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We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Westborough, MA, US

Year founded

1996

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