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Senior Java Backend Developer Jobs in Kitchener, ON

BinSentry

Senior Software Developer - HD

Kitchener, ON · On-site

CA$100K - CA$140K/yr

As we scale up, we are looking for a Senior Software Developer to help us build the software that ... You'll work across our product backend & ML pipeline, developing innovative solutions to improve ...

Manulife

Senior AI Engineer

Waterloo, ON · On-site

As a Senior AI Engineer, you will be responsible for Full-Stack Software Development i.e. building ... Strong hands-on experience with Python for backend development, API integration or AI-enabled ...

Pagefreezer

Senior Software Developer (Remote)

Waterloo, ON · Remote

CA$110K - CA$145K/yr

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Experienced in integrating Frontend and Backend via REST APIs with special attention to mitigating ...

Targeted Talent

Senior Quality Engineer

Waterloo, ON · Remote

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

Targeted Talent

Senior Quality Engineer

Kitchener, ON · Remote

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

Targeted Talent

Senior QE Engineer

Waterloo, ON · Remote

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

Targeted Talent

Senior Quality Engineer

Waterloo, ON · Remote

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

Targeted Talent

Senior QE Engineer

Kitchener, ON · Remote

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

Dialpad

AI Engineer, Agentic Voice (TTS)

Kitchener, ON · On-site

Your role As an AI Engineer on our Speech Team, you'll own the back-end implementation and ... This position reports to our Senior Manager, AI Speech, is based at our Kitchener hub, and operates ...

Targeted Talent

Senior Quality Engineer

Kitchener, ON · Remote

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

Targeted Talent

Senior QE Engineer

Waterloo, ON · Remote

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

Targeted Talent

Senior QE Engineer

Kitchener, ON · Remote

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

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Senior Java Backend Developer information

See Kitchener, ON salary details

$30

$61

$87

How much do senior java backend developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior java backend developer in Kitchener, ON is $61.03, according to ZipRecruiter salary data. Most workers in this role earn between $51.36 and $69.97 per hour, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

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

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

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

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

Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Kitchener, ON as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $126,938 per year, or $61 per hour.

Senior Software Engineer / Software Developer (React Native)

PlayStation Global

Waterloo, ON

Full-time

Re-posted 12 days ago

Job description

Senior Software Engineer / Software Developer (React Native) 

Build what's next for players.

We're a startup inside Sony PlayStation. Fast-moving, experimental, and highly ambitious. Backed by the scale, resources, and trust of Sony Interactive Entertainment. We're building new mobile and web experiences that help gamers connect, discover, and play together in better ways. This is a rare opportunity to design at startup speed and drive huge impact inside the largest gaming company in the world.

We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the architecture, frameworks, and technical best practices.

You will collaborate closely with engineers, product, and design teams to deliver best-in-class user interfaces that are performant, accessible, and delightful at scale. As a Senior Engineer, you will provide technical leadership across teams, mentor engineers, and push the boundaries of what's possible in cross-platform frontend development.

Responsibilities

  • Define and evolve the frontend architecture for client applications on mobile using React Native and modern JavaScript/TypeScript.
  • Drive performance optimizations and best practices for rendering, startup time, and UI responsiveness.
  • Design and integrate custom native modules (Native Android or Native iOS) and optimize cross-platform interoperability.
  • Partner with product managers, designers, and researchers to translate user experience requirements into elegant, maintainable solutions.
  • Establish coding standards, testing strategies, and development patterns that raise the quality bar for frontend engineering.
  • Mentor engineers and act as a multiplier for frontend development expertise across the broader team.
  • Investigate new frontend technologies, frameworks, and performance techniques, and guide their adoption when appropriate.
  • Represent frontend/OS needs in technical and architectural discussions.

Requirements

  • 5+ years of software development experience, with significant experience building React Native apps or high-performance JavaScript/TypeScript applications.
  • BS/MS degree in Computer Science or equivalent.
  • Expertise in native Android development (Kotlin/Java/Gradle) and shipping applications to the Google Play Store.
  • Strong expertise in frontend performance profiling, optimization, and debugging.
  • Passion for delivering world-class user interfaces with exceptional performance.
  • Deep understanding of cross-platform architecture and how to bridge between JS and native modules.
  • Proven track record of delivering production-quality mobile or desktop applications with React Native.
  • Experience designing scalable frontend architectures and reusable UI frameworks.
  • Strong collaboration skills and ability to work closely with native engineers, designers, and product managers.
  • Demonstrated technical leadership: leading projects, mentoring engineers, or setting engineering strategy.

Bonus

  • A track record of building social, community, gaming, or other consumer products.
  • Familiarity with VoIP, call dialing and ringing flows in Android/React Native
  • Experience with accessibility, internationalization, and UI testing frameworks. 
  • Familiarity with CI/CD pipelines and modern build systems for frontend development.
  • Previous experience at an early-stage startup or on a zero-to-one product team.

Apply