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Junior Java Programming Jobs in Oakville, ON (NOW HIRING)

Virtusa

Senior Java Developer

Mississauga, ON · On-site

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 ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

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 ...

Virtusa

Senior Java Developer

Mississauga, ON

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 ...

Citi

Senior Java Developer

Mississauga, ON

CA$94K - CA$141K/yr

You will lead a team of junior developers, providing technical guidance, mentorship, and fostering ... Act as a subject matter expert for Java technologies, providing technical direction and problem ...

Localcoin

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

New

United Airlines

Java Back end Developer

Toronto, ON · On-site

Lead code reviews, establish engineering standards, and mentor junior engineers. * Participate in ... Deep expertise in Java/Kotlin. * Understanding in Python. * Strong frontend skills with React and ...

Scotiabank

Junior Software engineer

Toronto, ON

The Role Scotiabank is looking for a motivated and enthusiastic Junior Full Stack Developer (Level ... Java What You'll Do: * Develop and maintain responsive web applications using ReactJS * Build and ...

Citi

Senior Software Engineer (Java/AI)

Mississauga, ON

CA$94K - CA$141K/yr

Serve as a subject matter expert, mentoring junior engineers and providing technical guidance to ... Strong proficiency in Java, Spring, Spring Boot and its ecosystem. * Hands-on experience with data ...

Intuit

Staff Software Developer, Full Stack

Toronto, ON · Hybrid

CA$164K - CA$222K/yr

The ideal candidate is an experienced Software Developer who is experienced with Java, TypeScript ... Coach and mentor junior engineers on best practices of software engineering, leveraging AI to ...

Virtusa

Data Engineer

Toronto, ON · On-site

Provide technical guidance and mentorship to junior developers. Mandatory Skills * Proven ... Proficiency in programming languages such as Python, Java, or Go. * Familiarity with ...

Scotiabank

Junior Software Engineer

Toronto, ON · On-site

Familiarity with at least one programming language such as Java, JavaScript, Python * Basic understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB). * Familiarity with ...

Curinos Inc

Senior Software Engineer

Toronto, ON · On-site

CA$130K - CA$140K/yr

Develop scalable APIs and data services using Java (Spring Boot), Databricks and relational ... Provide guidance and coaching to junior engineers, helping them grow their skills and contributing ...

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Junior Java Programming information

What does a junior Java programmer do?

A Junior Java Programmer is an entry-level software developer who specializes in writing, testing, and maintaining Java applications. They typically work under the supervision of senior developers, assisting with coding, debugging, and implementing features. Their tasks often include fixing bugs, participating in code reviews, and learning best practices in software development. This role is ideal for individuals who are new to programming and looking to gain practical experience in Java development within a team environment.

What are the key skills and qualifications needed to thrive as a junior Java programmer?

To thrive as a Junior Java Programmer, you need a solid understanding of Java fundamentals, object-oriented programming principles, and a relevant degree or coursework in computer science. Familiarity with integrated development environments (IDEs) like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic knowledge of build tools like Maven is typically expected. Problem-solving abilities, attention to detail, and good teamwork and communication skills help you stand out in this role. These skills and qualities are crucial for writing reliable code, collaborating effectively, and adapting quickly in a dynamic software development environment.

What are some common challenges a junior Java programmer might face when starting out, and how can they overcome them?

As a Junior Java Programmer, you may initially find it challenging to understand large codebases, manage debugging complex issues, or adapt to new frameworks used by the team. It's common to feel overwhelmed by unfamiliar tools or best practices. To overcome these challenges, actively seek mentorship from senior developers, participate in code reviews, and dedicate time to practice and learn outside of daily tasks. Collaboration and communication within your team are key to quickly building your skills and confidence in the role.

What is the difference between Junior Java Programming vs Junior Software Developer?

AspectJunior Java ProgrammingJunior Software Developer
Required CredentialsJava certifications, basic programming knowledgeGeneral programming skills, possibly Java certifications
Work EnvironmentDevelopment teams, Java-focused projectsVaried projects, multiple languages, broader scope
Employer & Industry UsageTech companies, software firms using JavaWide range of industries, including tech, finance, and startups
Common Search & ComparisonYesYes

Junior Java Programming typically focuses on Java-specific skills and certifications, working mainly within Java development teams. In contrast, Junior Software Developer roles may involve multiple programming languages and broader responsibilities across various projects. Both roles are entry-level and often overlap in skills, but Java programming is more specialized.

What cities near Oakville, ON are hiring for Junior Java Programming jobs?

Cities near Oakville, ON with the most Junior Java Programming job openings:

Junior Java Programming jobs near you
Infographic showing various Junior Java Programming job openings in Oakville, ON as of August 2026, with employment types broken down into 1% Internship, 82% Full Time, 12% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution.

Senior Java Developer

Mississauga, ON • On-site

Virtusa
IT Services • 10K+ employees
Learn more about Virtusaexternal

Full-time

Re-posted 28 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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