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Junior Oracle Developer Jobs in Ontario (NOW HIRING)

Contribute to our DevOps culture by working with containerization and orchestration technologies ... Serve as a subject matter expert, mentoring junior engineers and providing technical guidance to ...

Mentor junior developers and promote best practices in ETL design, performance tuning, and data ... Strong experience with relational databases (DB2, Oracle, or similar) * Advanced SQL proficiency:

Design AI-first systems and developer workflows, embedding agents, LLM tooling, and automation into ... Experience with Oracle Cloud Infrastructure or operating production systems across more than one ...

Design AI-first systems and developer workflows, embedding agents, LLM tooling, and automation into ... Experience with Oracle Cloud Infrastructure or operating production systems across more than one ...

Provide technical leadership and mentorship to junior engineers and cross-functional teams ... Experience with ERP systems (e.g., SAP, Oracle) and finance data ecosystems * Experience defining ...

Provide technical leadership and mentorship to junior engineers and cross-functional teams ... Experience with ERP systems (e.g., SAP, Oracle) and finance data ecosystems * Experience defining ...

Coach and mentors junior Engineers to support their career development and personal growth ... Postgres, MSSQL, Oracle DB, Apache NiFi, Apache Kafka, Apache ElasticSearch, comfortable working ...

We are seeking a dedicated and enthusiastic Junior Developer to support automation and innovation ... Familiarity with RDBMS technologies (Oracle, SQL Server, DB2) and exposure to NoSQL stores (MongoDB ...

Coach and mentors junior Engineers to support their career development and personal growth ... Postgres, MSSQL, Oracle DB, Apache NiFi, Apache Kafka, Apache ElasticSearch, comfortable working ...

Solutions Design IT Specialist

Toronto, ON · On-site

CA$125K - CA$156K/yr

This includes development in Java and Oracle 19c, as well as working with microservices and ... Mentor: Support the growth and development of junior team members through guidance, knowledge ...

Coache and mentors junior Engineers to support their career development and personal growth ... Experience with relational and NoSQL databases (PostgreSQL, Oracle, MongoDB etc.) * Exposure to ...

Showing results 41-60

Junior Oracle Developer information

What is a junior Oracle developer?

A Junior Oracle Developer is an entry-level position responsible for developing, testing, and maintaining Oracle database applications. They assist in writing SQL queries, PL/SQL scripts, and optimizing database performance. Junior developers typically work under senior developers or database administrators to support system enhancements and troubleshoot issues. They also help in developing stored procedures, triggers, and functions, ensuring database integrity and security. This role requires knowledge of Oracle technologies, good problem-solving skills, and an eagerness to learn and grow in database development.

What does a junior Oracle developer do?

As a Junior Oracle Developer, you can expect to spend much of your time writing and optimizing SQL queries, developing stored procedures, and collaborating with senior developers or database administrators on database enhancements. You will regularly participate in code reviews, troubleshoot bugs, and help ensure data integrity within the systems you support. The role often involves working closely with business analysts to understand application requirements and deliver database solutions. Teamwork and continuous learning are central aspects of this position, providing numerous opportunities for skill development and career growth.

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

To thrive as a Junior Oracle Developer, you need a solid understanding of SQL, PL/SQL, and database concepts, often backed by a degree in computer science or related field. Familiarity with development tools such as Oracle SQL Developer, and optional certifications like Oracle Certified Associate (OCA), are commonly expected. Strong analytical thinking, attention to detail, and effective communication skills help you stand out among candidates. These competencies are crucial for efficiently developing, maintaining, and supporting Oracle databases in collaborative business environments.

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 job categories do people searching Junior Oracle Developer jobs in Ontario look for?

The top searched job categories for Junior Oracle Developer jobs in Ontario are:

Infographic showing various Junior Oracle Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 81% In-person, 5% Hybrid, and 14% Remote job distribution.

Senior Software Engineer (Java/AI)

Citi

Mississauga, ON • On-site

CA$94K - CA$141K/yr

Full-time

Posted 12 days ago


Citibank rating

8.4

Company rating: 8.4 out of 10

Based on 179 frontline employees who took The Breakroom Quiz

39th of 174 rated banks


Job description

The Opportunity Are you ready to build the future of financial technology. We are looking for a passionate and talented Senior Software Engineer to join our high-performing team. This isn't just another development role; it's a chance to work with cutting-edge technologies like AI and Kafka to solve complex challenges that have a direct and significant impact on our business.

If you thrive in a collaborative environment and are driven to build scalable, resilient, and intelligent applications, we want to hear from you. What You'll Do Design, develop, and deploy robust, enterprise-scale applications using Java, Spring, and Kafka. Build intuitive and responsive user interfaces with modern frameworks like Angular and React.js

Leverage AI and Machine Learning to create innovative features and drive intelligent automation. Work with diverse data persistence technologies, including MongoDB and Oracle, to manage complex data landscapes. Champion best practices in software development, including writing clean, testable code with JUnit and participating in rigorous code reviews.

Collaborate within an Agile framework using tools like Jira to manage workflows and ensure timely delivery. Contribute to our DevOps culture by working with containerization and orchestration technologies like Kubernetes. Serve as a subject matter expert, mentoring junior engineers and providing technical guidance to senior stakeholders.

What You'll Bring Required Experience: 5-8 years of professional experience in software development. Strong proficiency in Java, Spring, Spring Boot and its ecosystem. Hands-on experience with data streaming technologies, specifically Kafka.

Experience with NoSQL databases like MongoDB and relational databases like Oracle. Familiarity with frontend development using Angular. A foundational understanding of Artificial Intelligence (AI) concepts and their application.

Proven ability to work under pressure and manage deadlines effectively. Preferred Experience: Expertise with the Java 17+, Spring and Spring Boot Framework, Reactive Programming. Experience with Python for scripting.

Knowledge of containerization and orchestration with Kubernetes. Experience building with Angular and React.js. Proficiency with testing frameworks like JUnit

Familiarity with Atlassian tools, particularly Jira. Why Join Our Team. Exceptional Learning Opportunities: Continuously grow your skills with access to challenging projects and the latest technologies.

Impactful Work: See your contributions directly influence our business and customers on a global scale. High-Performing Team Culture: Collaborate with a supportive, and talented team that values innovation and quality. Commitment to Work-Life Balance: We believe in sustainable performance and provide the flexibility you need to thrive both in and out of the office.

Education Bachelor's degree/University degree in Computer Science, Engineering, or a related field, or equivalent experience. Our Commitment to Risk and Control Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: $94,300.00 - $141,500.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above

------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi's EEO Policy Statement and the Know Your Rights poster.


What Citibank employees say

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Benefits

Hours and flexibility

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Citigroup Inc logo

About Citigroup Inc

Sourced by ZipRecruiter

We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US