1

Sr Java Engineer Jobs in Ontario (NOW HIRING)

We are seeking a highly experienced and technically proficient Senior Java Developer to join a new initiative with our financial service client. The successful candidate will be part of one of two ...

\n \n \n \n \n Our client in Galway are beginning to hire Java Engineers (up to senior level) to help the team build out their globally renowned and ever\-present SAAS offering on a permanent basis.

SENIOR JAVA SOFTWARE DEVELOPER Location: Toronto, ON (uptown) Industry: Technology Type: Permanent WHAT IS THE OPPORTUNITY. Our client is an 18-year-old SaaS developer and recognized leader of ...

Minimum 5 years experience as a Senior Engineer \n * Excellent communication skills \- both written and verbal \n * Experience with Java 11 \n * Experience with TDD and CI\/CD \n * Experience in ...

Minimum 5 years experience as a Senior Engineer \n * Experience with Java 11 \n * Strong experience with Spring frameworks \n * Experience with TDD and CI\/CD \n * Experience in financial services ...

\n \n \n \n \n Are you a Senior Java Developer with extensive cloud experience looking for your next challenge? Do you have Microservices and TDD? Are you interesting in working in the banking sector?

You will work on a high performing team of Senior Java Developers where you will be joining the newly formed Cloud Transformation team. There are many Cloud Architects across the team who you will be ...

Senior Java Developer

Toronto, ON · Hybrid

CA$64K - CA$106K/yr

As a Senior Java Developer, you will be responsible for designing, building, and maintaining robust, scalable, enterprise-grade backend systems. Specifically, you will become a key contributor in ...

... performing team of Senior Java Developers where you will be joining the newly formed Cloud ... Transformation team. There are many Cloud Architects across the team who you will be working ...

Learn from deep subject matter experts through mentoring and on the job coaching Summary We are seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte ...

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web, enterprise, mobile) by writing clean code, collaborating with teams, and integrating with databases and ...

You will work on a high performing team of Senior Java Developers where you will be joining the newly formed Cloud Transformation team. There are many Cloud Architects across the team who you will be ...

Senior Java Backend Developer Location: 100% Remote, Canada Experience: 7 to 10 Years Employment Type: T4 Contract Rate: CAD $80 to $90 per Hour Role Summary NearSource is seeking a Senior Java ...

... n We need Senior Java Engineers who have led teams, to work on both the Architecture and Development on multiple key projects. \n \n \n \n \n \n This is ideal for someone who enjoys mentoring ...

This Senior Java Developer within Quantitative and Technology Services (QTS), consists of developing, improving and supporting strategic applications within the RAMPP (Risk, Analytics, Modelling ...

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be joining a rapidly expanding team who are working on the most cutting edge products. \n \n ...

\n \n \n \n \n We have a contract position available for a Java developer within a rapidly growing global team. You will be responsible for the design and development of the company's platform and ...

next page

Showing results 1-20

Sr Java Engineer information

What are the key skills and qualifications needed to thrive as a Sr Java Engineer, and why are they important?

To thrive as a Sr Java Engineer, you need advanced expertise in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, usually supported by a degree in computer science or related field. Familiarity with development tools such as Maven, Git, CI/CD pipelines, and cloud platforms like AWS or Azure is typically required. Strong problem-solving abilities, effective communication, and leadership skills set top performers apart in this role. These skills and qualifications are crucial for delivering robust, scalable software solutions and leading technical teams efficiently.

What is the difference between Sr Java Engineer vs Java Developer?

AspectSr Java EngineerJava Developer
Required CredentialsBachelor's in CS or related, often with certifications like Oracle Java CertificationBachelor's in CS or related, similar certifications
Work EnvironmentTeam projects, software development, system architectureApplication coding, feature development, bug fixing
Industry UsageUsed across tech companies, finance, healthcare, and moreCommon in software firms, startups, and enterprise applications

While both roles involve Java programming, Sr Java Engineers typically have more experience, handle complex system design, and mentor junior developers. Java Developers focus on coding and implementing features. The roles often overlap, but the seniority and scope differ.

What are some common challenges Sr Java Engineers face when working on large-scale enterprise applications?

Sr Java Engineers often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and maintaining robust security standards. Collaborating with cross-functional teams—including DevOps, QA, and front-end developers—is essential for addressing integration issues and streamlining deployments. Staying updated with evolving Java frameworks and best practices is also crucial, as technology stacks in enterprise environments change rapidly. Effective communication and problem-solving skills greatly help in navigating these challenges.

What is a Sr Java Engineer?

A Sr Java Engineer is an experienced software developer who specializes in designing, developing, and maintaining complex applications using the Java programming language. They often take on leadership roles within development teams, mentor junior developers, and are responsible for making key architectural decisions. Sr Java Engineers work with frameworks such as Spring and Hibernate, implement best coding practices, and ensure that software projects meet performance, scalability, and security requirements. Their expertise is critical in building reliable enterprise-level applications.
Infographic showing various Sr Java Engineer job openings in Ontario as of June 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 33% In-person, 34% Hybrid, and 33% Remote job distribution.

Senior Java Developer

Hire DigITalent

Toronto, ON • Hybrid

Contractor

Posted 22 days ago


Job description

We are seeking a highly experienced and technically proficient Senior Java Developer to join a new initiative with our financial service client. The successful candidate will be part of one of two dedicated squads working to deliver a Minimum Viable Product (MVP) by the end of the year. This role requires a strong technical contributor who can operate autonomously and thrive in a fast-paced environment, leveraging guidance from established technical and product leaders. This engagement will start as a 6-month contract with a high possibility of extensions.

Key Responsibilities

  • Design, develop, and implement high-performance, scalable applications using modern Java frameworks.
  • Take ownership of complex technical tasks and deliver solutions with minimal supervision.
  • Actively contribute to architectural decisions and ensure the technical design aligns with the broader enterprise strategy.
  • Collaborate closely with product owners, technical leads, and other squad members to understand requirements and deliver high-quality code.
  • Mentor junior developers and participate in code reviews to ensure code quality and adherence to best practices.
  • Manage and deploy applications at scale using containerization technologies.
  • Troubleshoot and resolve complex issues across distributed systems.

Required Qualifications

  • Minimum of 7 years of professional experience in Java software development.
  • Strong expertise in Object-Oriented Programming (OOP) and Functional Programming paradigms.
  • Experience working in an Agile environment.
  • Proven background in designing and implementing Distributed Systems and Microservices architecture.
  • Extensive experience with OpenShift for containerization, application deployment, and management in a scalable environment.
  • Proficiency with MongoDB or similar NoSQL databases.
  • Experience with message queuing/streaming technologies like Kafka.
  • Familiarity with continuous integration/continuous deployment (CI/CD) pipelines, specifically using GitHub Actions.
  • Past experience in payments, internal bank to bank transactions

Work Environment

  • Location: Toronto or Calgary.
  • Work Arrangement: This role requires a minimum of 4 days per week in the office.