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

PPT

Senior Back-End Developer

Toronto, ON · Remote

We are looking for a highly skilled Senior .NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable ...

Interac Corp.

Senior Software Developer

Toronto, ON · Hybrid

The vacant Senior Software Developer role will report to the Head, RTR, T&O and will be responsible ... Strong knowledge of Java frameworks (Spring, Spring Boot, Hibernate, Netty), Maven, SQL, Bamboo ...

Pala Interactive

Senior Web Developer

Toronto, ON · On-site

TheSenior Frontend Developer / Senior Web Developerwill have primary responsibility for designing ... Skilled Java Script developer with Angular and ionic experience * Good knowledge of MySQL and web ...

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our next generation of data-driven platforms and systems. This role sits at the intersection of platform ...

NTENT

Senior DevOps Engineer

Toronto, ON · On-site

Senior DevOps Engineer Position: Full time Location: Toronto, Ontario (Initially Remote) About Us ... Experience with programming and/or scripting languages (Python, Ruby, Bash, Go, Java, PowerShell)

MPAC

Senior Systems Developer/Designer

Pickering, ON · Hybrid

Java and Python * PostgreSQL * AWS technologies including Lambda Functions * Elastic Search ... As a Senior Systems Developer, you'll play a key role in the design, development and support of ...

Rogers Communications

Sr. Developer

Toronto, ON

Senior Developers are responsible for server-side development of next generation products and ... Java/J2EE, Rest/Soap Web services, Spring framework and Spring Boot, Kafka, Git, Maven, Nexus ...

Autodesk

Senior Software Developer, Backend

Toronto, ON · On-site

CA$107K - CA$157K/yr

We're looking for a Senior Backend / Data Developer who thrives on high-frequency, large-scale data problems. You'll design and ship the systems behind time-series analytics, smart alerting, and ...

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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 the most commonly searched types of Java Developer jobs in Whitby, ON?

The most popular types of Java Developer jobs in Whitby, ON are:

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

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

Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in Whitby, ON as of August 2026, with employment types broken down into 83% Full Time, 3% Part Time, and 14% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Senior Staff Software Engineer

Toronto, ON • On-site

Kaseya Careers
See more jobs at Kaseya Careersexternal

Full-time

Posted 20 days ago

Job description

Senior Staff Software Engineer (Java, Distributed Systems & SaaS Platforms)Why Kaseya?

Join a fast-growing company that's transforming the IT industry. At Kaseya, you'll have the opportunity to work with cutting-edge technology, collaborate with a dynamic team, and develop your career in a highimpact role.

Join the Kaseya growth rocket ship and see how we are #ChangingLives!

Job Summary

We're hiring a Senior Staff Software Engineer to shape the architecture and evolution of Java-based SaaS platforms and shared backend services. This is a hands-on technical leadership role responsible for solving complex distributed systems challenges, leading initiatives across multiple teams, and improving the scalability, reliability, and maintainability of business-critical applications. You will partner with Engineering, Product, Security, and Architecture leaders to influence long-term technical direction while remaining closely involved in design and implementation.

Roles & Responsibilities
  • Define and drive architecture for Java-based platform services, distributed systems, APIs, and event-driven applications across multiple product areas
  • Lead complex technical initiatives that span multiple engineering teams, services, and business domains
  • Remain hands-on through technical prototyping, implementation of critical components, code reviews, and production troubleshooting
  • Partner with Product, Engineering, Security, and Architecture leaders to translate business priorities into scalable technical solutions
  • Guide the evolution of cloud-native architectures, microservices, data flows, integrations, and shared platform capabilities
  • Drive improvements in system performance, availability, observability, security, and operational readiness
  • Establish engineering standards and reusable patterns for Java development, API design, testing, CI/CD, and production operations
  • Mentor Senior and Staff Engineers through architecture reviews, technical guidance, and cross-team collaboration
Required Qualifications
  • 10+ years of software engineering experience building production SaaS applications, distributed systems, or enterprise software platforms
  • 6+ years of experience developing production backend services using Java
  • Experience leading the architecture and delivery of technical initiatives spanning multiple engineering teams or product areas
  • Experience designing and operating distributed systems on AWS, Azure, or GCP
  • Experience leading architecture reviews and introducing technical standards or engineering practices adopted across multiple teams
Preferred Qualifications
  • Experience with Java technologies such as Spring Boot, Spring Cloud, Hibernate, Kafka, or similar frameworks
  • Experience designing cloud-native, microservices-based, or event-driven architectures
  • Experience with relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle
  • Experience leading platform modernization, cloud migration, or large-scale re-architecture initiatives
  • Experience improving reliability, observability, performance, or operational practices across production systems
  • Experience integrating AI-enabled capabilities into production software or platform services
  • Experience using AI-assisted development tools such as GitHub Copilot or ChatGPT in engineering workflows
Additional Information

Kaseya provides equal employment opportunity to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law.

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