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Senior Java Software Developer Jobs in Waterloo, ON

Syntronic

Lead Software Developer (AOSP)

Waterloo, ON

CA$140K - CA$170K/yr

We are seeking a Lead Software Engineer to drive the design, development, and maintenance of ... Design, implement, and support new feature development using Java and Kotlin, utilizing proof-of ...

Great Lakes Group

Be Seen First

Industrial Software Developer - Automation

Cambridge, ON · On-site

CA$43 - CA$60/hr

Industrial Software Developer - Automation Wage based on experience We are seeking a highly skilled ... Proficiency in programming languages such as Python , Java , C++ , C# , or Visual Basic (.NET) * ...

New

Targeted Talent

Java Technical Lead

Kitchener, ON · Remote

You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ... Experience working with Java , including great working knowledge of Java8 Lambdas and streaming ...

Targeted Talent

Java Technical Lead

Kitchener, ON · Remote

You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ... Experience working with Java , including great working knowledge of Java8 Lambdas and streaming ...

Targeted Talent

Java Technical Lead

Waterloo, ON · Remote

You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ... Experience working with Java , including great working knowledge of Java8 Lambdas and streaming ...

Targeted Talent

Java Technical Lead

Waterloo, ON · Remote

You Have: * 5+ years' experience as a Software Developer * Prior experience mentoring junior ... Experience working with Java , including great working knowledge of Java8 Lambdas and streaming ...

Targeted Talent

Senior DevOps Engineer

Waterloo, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Software Engineer * Experience coding/building applications in Java OR Python . * Experience ...

Targeted Talent

Senior DevOps Engineer

Kitchener, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Software Engineer * Experience coding/building applications in Java OR Python . * Experience ...

Targeted Talent

Senior DevOps Engineer

Kitchener, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Software Engineer * Experience coding/building applications in Java OR Python . * Experience ...

Targeted Talent

Senior DevOps Engineer

Waterloo, ON · Remote

$85K - $110K/yr

We are looking for an experienced Senior DevOps Engineer for our client. This is a permanent ... Software Engineer * Experience coding/building applications in Java OR Python . * Experience ...

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All JobsJava Software Developer JobsSenior Java Software Developer JobsSenior Java Software Developer Jobs in Waterloo, ON

Senior Java Software Developer information

See Waterloo, ON salary details

$80.6K

$125.9K

$244.7K

How much do senior java software developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior java software developer in Waterloo, ON is $125,862.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,086.00 and $128,665.00 per year, depending on experience, location, and employer.

What is a senior Java software developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are some common challenges senior Java software developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

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

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

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

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

What cities near Waterloo, ON are hiring for Senior Java Software Developer jobs? Cities near Waterloo, ON with the most Senior Java Software Developer job openings:
Senior Java Software Developer jobs near you
Infographic showing various Senior Java Software Developer job openings in Waterloo, ON as of July 2026, with employment types broken down into 86% Full Time, 12% Part Time, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $125,862 per year, or $60.5 per hour.

Senior Embedded Software Developer

BinSentry

Kitchener, ON • On-site

Full-time

Medical, Dental, Vision

Posted 9 days ago

Job description

Salary: $125k-$165K CAD /Annually


About BinSentry:

BinSentry is an extremely fast-growing ag-tech company started here in KW. BinSentry is focused on providing solutions for the agriculture supply chain that help increase efficiency, reduce costs, and enhance profitability. As a leader in the use of artificial intelligence, BinSentry offers technology solutions that pair best-in-class optical sensors with user-friendly software to provide our customers with enhanced forecasting and decision-making capabilities.

With our technology, feed mills and protein producers are enhancing feed ordering efficiency, raising healthier animals, improving employee safety, reducing their environmental footprint and - most significantly - uncovering new savings. Today, BinSentry is monitoring more than 64,000 bins in real time across North America. When it comes to the future of agricultural supply chain management, BinSentry is leading the way. For more information visit www.binsentry.com.


As we scale up, we're looking for a Senior Embedded Software Developer to help us build the embedded software that is changing the face of the feed industry.


Job Summary:

The ideal candidate will design, develop, and maintain software for embedded systems, working closely with BinSentrys hardware and software teams to ensure seamless integration. You will write embedded C for the microcontrollers which drive our feed bin sensors using FreeRTOS. You will drive our embedded Linux project using Yocto and write Python code, which supports our HD line. You will be responsible for writing power-efficient and reliable/resilient code, conducting system debugging, reliability testing, optimizing performance and managing fleet deployments. You will work across our entire product line, including writing software for brand new hardware projects.


Qualifications:

  • Bachelor's degree in Computer Engineering, Software Engineering, Computer Science or related field (or equivalent experience)
  • 5+ years working professionally writing software for embedded devices
  • Proficient in writing mission-critical C or C++ and Python
  • Proficient debugging hardware issues
  • Not afraid to jump in and solve an issue with an oscilloscope
  • Experience with FreeRTOS a plus
  • Experience with AWS IoT ecosystem a plus
  • Experience working with embedded Linux devices a plus
  • Experience working with Yocto a plus
  • JavaScript proficiency a plus
  • Computer vision experience a plus
  • Experience working with cellular modems a plus
  • Experience working with bootloaders a plus


Benefits:

  • Company-paid group health and dental benefits plus your choice of an annual HSA or PSA
  • Competitive compensation and an equity package
  • Awesome company events
  • Be a part of a team of talented and friendly senior-level developers with a high level of agency.


We use artificial intelligence tools to support parts of our recruitment process, such as screening or assessing applications. Final hiring decisions are made by our hiring team.


This posting is for an existing vacancy.