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Python Java Jobs in Ontario (NOW HIRING)

YO AI Labs

Java Open Source Contributor

Toronto, ON · Remote

C++, Python, JAVA, GoLang, Typescript, or Rust. * Identify and resolve technical challenges, bugs, and performance bottlenecks in existing codebases. * Collaborate with other contributors and ...

StackandCo

Senior Python Developer

Galway, NY

Commercial professional experience working at a senior or architect level in Python (experience with Java is also very beneficial) \n * Coached and mentored developers on coding, performance and ...

StackandCo

Desired skillset Java, AWS Cloud, Python. \n * Expertise with Continuous Integration practices and automated deployment tools. \n * REST API Test Automation experience in Java and Python development ...

StackandCo

Core Java, Python (and frameworks). \n * Agile Development, Test\-Driven Development \n * AWS, Azure, GCP environment exposure \n * \n \n Solid understanding of Microservices and ReST APIs \n \n \n ...

StackandCo

Python, Java or Selenium (C#) \n \n * Data Storage solutions such as Elasticsearch \n * Agile Methodologies \n * Strong CI\/CD experience \n \n \n \n \n \n

StackandCo

Core Java, Python (and frameworks). \n * Agile Development, Test\-Driven Development \n * AWS, Azure, GCP environment exposure \n * \n \n Solid understanding of Microservices and ReST APIs \n \n \n ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

StackandCo

Core Java, Python (and frameworks). \n * Agile Development, Test\-Driven Development \n * AWS, Azure, GCP environment exposure \n * \n \n Solid understanding of Microservices and ReST APIs \n \n \n ...

Highbrow LLC

Senior Java Developer

Toronto, ON · On-site

$80 - $110/hr

Experience with Python and R. Desired: * Financial Sector Experience : Work experience as a Java Developer in Securities Lending or Prime Brokerage. * Cloud Experience : Familiarity with cloud ...

Great Lakes Group

Be Seen First

Software Industrial Automation Developer

Hamilton, ON · On-site

CA$43 - CA$60/hr

Proficiency in programming languages such as Python , Java , C++ , C# , or Visual Basic (.NET) * Experience with SQL databases (MS SQL, MySQL, Oracle, PostgreSQL) and NoSQL technologies * Knowledge ...

Great Lakes Group

Be Seen First

SCADA/MES Software Developer - Industrial Automation

Cambridge, ON · On-site

CA$43 - CA$60/hr

Proficiency in programming languages such as Python , Java , C++ , C# , or Visual Basic (.NET) * Experience with SQL databases (MS SQL, MySQL, Oracle, PostgreSQL) and NoSQL technologies * Knowledge ...

StackandCo

\n \n \n \n \n Are you a Senior Java Developer with extensive cloud experience looking for your next ... Understanding of Python Frameworks \n * Full Stack experience \n \n \n \n \n \n

Zencargo

Strong skills in at least one modern programming language, such as TypeScript, JavaScript, Python, Java, Kotlin or C#. Some familiarity with Kotlin or Python, our primary languages, is valued but not ...

New

Virtusa

Data Engineer

Toronto, ON

Proficiency in programming languages such as Python, Java, or Go. * Familiarity with containerization technologies like Docker and Kubernetes. Preferred Skills * Experience with other cloud platforms ...

Virtusa

Data Engineer

Toronto, ON

Proficiency in programming languages such as Python, Java, or Go. * Familiarity with containerization technologies like Docker and Kubernetes. Preferred Skills * Experience with other cloud platforms ...

Birdseye Solutions

Full Stack Developer

Mississauga, ON · On-site

The candidate must be strong with React and Redux on the front end and Java with Spring Boot on the back end. You should also be productive with either Node.js or Python. Technology profile Front end ...

New

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All JobsPython Java JobsPython Java Jobs in Ontario

Python Java information

What are the key skills and qualifications needed to thrive as a Python/Java Developer, and why are they important?

To thrive as a Python/Java Developer, you need strong programming skills in both Python and Java, along with a solid understanding of software development principles and a relevant degree or equivalent experience. Familiarity with integrated development environments (IDEs) like PyCharm or Eclipse, version control systems such as Git, and frameworks like Spring or Django is typically required. Excellent problem-solving abilities, collaboration, and effective communication are crucial soft skills for this role. These skills and qualifications enable developers to build robust, efficient applications and work effectively within development teams to deliver quality software solutions.

How do Python and Java developers typically collaborate within a software development team?

Python and Java developers often work together on projects that require leveraging the strengths of both languages, such as integrating backend services (Java) with data processing or scripting (Python). Collaboration usually involves regular code reviews, shared documentation, and using APIs or microservices for communication between components. Developers may use tools like Git, Jira, or Slack to coordinate tasks and ensure seamless integration. Working closely with other team members such as front-end developers, QA analysts, and project managers is also common to deliver well-rounded solutions.

What are Python Java developers?

Python Java developers are software engineers who have expertise in both the Python and Java programming languages. They are skilled in building, maintaining, and optimizing applications that may use either or both languages, depending on project requirements. These developers can work on web development, data analysis, backend systems, and more, leveraging the strengths of both languages. Their versatility makes them valuable for teams that need solutions spanning multiple technologies.

What is the difference between Python Java vs Software Developer?

AspectPython Java
Primary LanguagePython and Java
Common CertificationsOracle Certified Java Programmer, Python Institute Certifications
Work EnvironmentSoftware development, web applications, data analysis
Industry UsageTech companies, finance, healthcare, startups

Python Java developers typically possess certifications in Java and Python, work in similar environments, and are employed across various industries. Both roles focus on software development, but Python Java developers often specialize in projects requiring both languages, such as web applications, data analysis, or backend systems. Understanding the differences helps employers and candidates align skills with job requirements effectively.

What jobs use Python and Java?

Jobs that require Python and Java include software developer, backend engineer, data scientist, and full-stack developer roles. These positions often involve building applications, data analysis, or automation, and may require knowledge of frameworks, APIs, and version control tools.

What can I do with Java and Python?

Java and Python are versatile programming languages used in software development, data analysis, machine learning, web development, and automation. Java is often used for enterprise applications and Android development, while Python is popular for scripting, data science, and AI projects. Proficiency in both can open opportunities in diverse tech roles requiring strong coding and problem-solving skills.

What is the salary of Java and Python?

Salaries for Java and Python developers vary based on experience, location, and industry, but generally range from $70,000 to $120,000 annually in many regions. Entry-level positions may start lower, while experienced developers with specialized skills or certifications can earn higher salaries, especially in tech hubs or with in-demand frameworks.

Are there more jobs in Java or Python?

Python and Java are both popular programming languages with strong job markets. Currently, Java tends to have more job openings overall due to its widespread use in enterprise applications, Android development, and backend systems, while Python's demand is rapidly growing in data science, machine learning, and automation fields. Job availability can vary by industry and region, but Java generally offers more opportunities across diverse sectors.
What are popular job titles related to Python Java jobs in Ontario? For Python Java jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Python Java jobs in Ontario look for? The top searched job categories for Python Java jobs in Ontario are:
Python Java jobs near you
Infographic showing various Python Java job openings in Ontario as of July 2026, with employment types broken down into 86% Full Time, 8% Part Time, 3% Temporary, and 3% Contract. Highlights an 79% In-person, 5% Hybrid, and 16% Remote job distribution.

Java Open Source Contributor

YO AI Labs

Toronto, ON • Remote

Full-time

Posted 5 days ago

Job description

Job Description

Role Title: Java Open Source Contributor

Role Type: Contract

Location: Remote


Scope of Work:

  • Contribute production-quality code, reviews, and documentation to open-source repositories relevant to the customer's project.
  • Design, implement, and optimize complex algorithms and system components using one or more of the following languages: C++, Python, JAVA, GoLang, Typescript, or Rust.
  • Identify and resolve technical challenges, bugs, and performance bottlenecks in existing codebases.
  • Collaborate with other contributors and stakeholders to align deliverables with project goals and best practices.
  • Create, maintain, and enhance technical documentation to support knowledge sharing and onboarding.
  • Participate in code discussions and provide constructive feedback to elevate overall code quality.


Preferred Qualifications:

  • Previous experience working on large-scale, distributed codebases.
  • Familiarity with modern AI or machine learning systems is a plus, though not required.
  • Background in participating in rigorous code reviews and contributing to the development of software best practices.