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Senior Java Developer Jobs in Kanata, ON (NOW HIRING)

CIRA

Senior Software Developer (12 months)

Ottawa, ON · On-site +1

Advanced proficiency in programming languages such as Java (Spring or Play Framework) or Python. * Proficiency in Linux environments and scripting with Bash for automation and troubleshooting.

CIRA

Senior Software Developer (12 months)

Ottawa, ON · On-site

Advanced proficiency in programming languages such as Java (Spring or Play Framework) or Python. Proficiency in Linux environments and scripting with Bash for automation and troubleshooting. Strong ...

YO AI Labs

AI Technical Trainer - Remote

Ottawa, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Backend Engineer - Remote

Ottawa, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

SRC Can

Intermediate Software Developer

Gloucester, ON · On-site

Reporting to the Senior Staff Software Developer, this role will leverage software engineering ... Applied knowledge and experience with Java, C++, C, Typescript, and Python. * Applied knowledge and ...

Accenture

AI Full Stack Developer

Ottawa, ON

CA$114K - CA$171K/yr

We are seeking a talented senior full stack developers or team leads to join our Canadian Apps and ... Solid experience creating APIs with Python, .NET Core, Node.js, or Java. * Hands-on experience ...

AtHoc

QNX Senior Manager, IDE & Tools Team

Ottawa, ON · On-site

CA$131K - CA$181K/yr

As the Senior Software Engineering Manager, you will provide strategic technical direction , people ... environment (Java/ISE's). * Strong foundation in Safety (ISO 26262) and Security (ISO 21434 ...

Warnerbros

Software Developer in Test II

Kanata, ON · On-site

Pair up with senior engineers build automated tests that iterate upon what has already been written ... Working knowledge in one or more programming languages such as JavaScript, TypeScript, Python, Java ...

Warnerbros

Software Developer in Test II

Kanata, ON · On-site

Pair up with senior engineers build automated tests that iterate upon what has already been written ... Working knowledge in one or more programming languages such as JavaScript, TypeScript, Python, Java ...

YO AI Labs

AI Trainer - Remote

Ottawa, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Targeted Talent

1 - QA Automation Lead

Ottawa, ON · Remote

We are looking for an experienced Senior Quality Automation Engineer for our client. This is a ... Prior experience creating automated testing with Java and Javascript. * Experienced utilizing ...

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Senior Java Developer information

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are popular job titles related to Senior Java Developer jobs in Kanata, ON?

For Senior Java Developer jobs in Kanata, ON, the most frequently searched job titles are:

What cities near Kanata, ON are hiring for Senior Java Developer jobs?

Cities near Kanata, ON with the most Senior Java Developer job openings:

Senior Java Developer jobs near you

SWE AI Training Data Expert - Remote

YO AI Labs

Ottawa, ON • Remote

$80 - $120/hr

Full-time

Posted 6 days ago

Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities
  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.
Required Skills
  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.
Preferred Qualifications
  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.
Hiring Process
  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.
Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.