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Sr Software Engineer Java Jobs in Toronto, ON (NOW HIRING)

Senior Software Engineer

Toronto, ON · On-site

CA$130K - CA$140K/yr

Are you a passionate Senior Software Engineer looking to make a significant impact in the fintech ... Develop scalable APIs and data services using Java (Spring Boot), Databricks and relational ...

As a Senior FullStack Software Engineer, you will design and build elegant, highimpact capabilities ... Implement robust, scalable microservices and APIs in Java on AWS, using Kubernetes and Docker to ...

... Software Engineer for Prime Services Data Interface (PSDI) platform - a central operational data ... We'd love to work with you if you have: * 7 - 10 years' experience with OOP Programming, Java ...

The Role GBME is searching for Software Engineer who are continuous learners and are eager to boost ... Experience with 2 or more object-oriented programming languages development languages (Java) * 4+ ...

Senior Software Engineer

Toronto, ON · Hybrid

CA$121K - CA$170K/yr

As a Senior Software Engineer reporting to the Sr. Director of Software Development, you'll play a ... Java. * Proven experience with cloud-native architectures, containerized applications, and ...

Job Summary We're hiring a Senior Software Engineer to provide technical leadership across ... This role focuses on Java-based platform architecture, distributed systems, and cloud-native ...

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 ...

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 ...

Senior Backend Engineer (SaaS, Data & AI) Why Kaseya? Join a fast-growing company that ... Experience with backend languages such as Node.js, Java, Go, or similar * Experience with Python ...

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Showing results 1-20

Sr Software Engineer Java information

What does a Sr Software Engineer Java do?

A Sr Software Engineer Java is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and ensure that software solutions are robust, scalable, and secure. Their work involves collaborating with cross-functional teams, reviewing code, and implementing best practices to deliver high-quality products. Senior engineers also play a key role in architectural decisions and contribute to the overall technical direction of their team or organization.

What are the key skills and qualifications needed to thrive as a Sr Software Engineer Java?

To thrive as a Sr Software Engineer Java, you need advanced proficiency in Java programming, software design principles, and a bachelor’s degree (or higher) in computer science or a related field. Familiarity with tools such as Spring Framework, RESTful APIs, version control systems like Git, and cloud platforms is typically required, along with relevant certifications like Oracle Certified Professional Java Programmer. Excellent problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this position. These skills ensure the delivery of robust, scalable applications and foster efficient collaboration in complex development environments.

What are some common challenges Sr Software Engineers specializing in Java face when leading project teams?

Sr Software Engineers working with Java often encounter challenges such as balancing hands-on coding with mentorship responsibilities, managing technical debt in legacy systems, and aligning project goals with business requirements. They frequently need to facilitate effective communication between developers, QA engineers, and stakeholders to ensure project milestones are met. Additionally, staying updated with evolving Java frameworks and best practices while guiding less experienced team members is essential for maintaining code quality and team productivity.

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

AspectSr Software Engineer JavaSoftware Developer Java
Required CredentialsBachelor's degree, 5+ years experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, 1-3 years experience, often entry-level certifications
Work EnvironmentDesigning architecture, leading projects, mentoring teamsWriting code, debugging, implementing features
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software consultancies
Search & Comparison IntentHigher-level roles, leadership, complex projectsEntry to mid-level development tasks

In summary, Sr Software Engineer Java typically involves more experience, leadership, and architectural responsibilities, while Software Developer Java focuses on coding and feature implementation. Both roles are common in tech industries but differ in scope and seniority.

What cities near Toronto, ON are hiring for Sr Software Engineer Java jobs?

Cities near Toronto, ON with the most Sr Software Engineer Java job openings:

Infographic showing various Sr Software Engineer Java job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Senior Software Engineer (Java, Capital Markets)

Toronto, ON • Hybrid

Exadel Inc (Website)
Computer and Computer Peripheral Equipment and Software Wholesalers • 51 - 200 employees

CA$80 - CA$85/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago


Key responsibilities

  • Review and analyze an existing legacy Java code repository and associated backend services

  • Support the redesign, development, and migration of functionality onto the current architecture

  • Troubleshoot complex technical issues in environments with limited documentation


Job description

Why Join Exadel

We're an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what's next.
What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

A leading wholesale bank providing capital markets, investment banking, and advisory services worldwide. Recently expanded into a top-tier research platform, the firm focuses on high-growth sectors like technology and healthcare. It integrates advanced AI for market analysis and risk management to serve thousands of professionals across global markets.

What You'll Do
  • Review and analyze an existing legacy Java code repository and associated backend services
  • Reverse-engineer existing services to understand their functionality, business purpose, dependencies, and data flows
  • Identify functionality dependent on legacy infrastructure and determine appropriate migration or modernization approaches
  • Support the redesign, development, and migration of required functionality onto the current architecture
  • Work with backend services that consume data from upstream trading and data platforms and make information available to downstream services and APIs
  • Collaborate with Front Office technology, development, and business stakeholders to validate existing functionality and future-state requirements
  • Participate in knowledge-transfer sessions with the existing team, particularly during the initial phase of the engagement
  • Troubleshoot complex technical issues in environments where existing systems may have limited documentation
  • Help ensure required business functionality is maintained throughout the migration process
  • Support the safe and successful decommissioning of legacy infrastructure
What You Bring
  • Strong hands-on experience as a Backend Java Developer, ideally at a senior level
  • Strong experience with modern/recent versions of Java and backend application development
  • Demonstrated ability to analyze, troubleshoot, and reverse-engineer existing or legacy Java codebases
  • Experience working within Financial Services and Capital Markets technology
  • Good understanding of Front Office concepts and trading environments
  • Understanding of financial products and derivatives, including fundamental concepts such as options and premiums
  • Experience working with backend services, APIs, integrations, and complex data flows
  • Ability to work independently with legacy systems and environments where documentation may be limited
  • Strong analytical and problem-solving skills
  • Strong communication skills and the ability to collaborate with both technical and business stakeholders
Nice to have
  • FX Options
  • Commodities, particularly Precious Metals
  • Derivatives and trading technology
  • Legacy application modernization
  • Platform migration or infrastructure decommissioning
  • Murex or Murex-related environments
English level

Upper-Intermediate

Work Type: Hybrid (1-2 days onsite per week)

Location: Toronto, Canada

Legal & Hiring Information
  • Compensation Transparency: The expected compensation range for this role is $80-85/hr CAD, with eligibility for commission, bonus, or other incentive compensation where applicable. Actual compensation will be determined based on experience, skills, qualifications, geographic location within Canada, and business needs.
  • Position Status: This posting is for a newly created position
  • Location Eligibility: This role is open to candidates residing in Canadian provinces, excluding Quebec.
  • Experience Requirements: We welcome applicants with relevant experience regardless of where it was obtained. Canadian work experience is not required.
  • Use of Artificial Intelligence in Hiring: We may use automated tools or artificial intelligence systems to support the screening, assessment, or selection of applicants as part of our hiring process.
  • Benefits Summary: Canadian employees are eligible to participate in Exadel's benefits programs, which may include extended health, dental and vision coverage; life and disability insurance; retirement savings programs; paid time off; paid holidays; and other wellness or voluntary benefit programs, subject to plan terms and eligibility requirements.
  • Equal Employment Opportunity: Exadel is an equal opportunity employer and does not discriminate on the basis of race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, family status, or any other protected characteristic under applicable provincial human rights legislation.
  • Accessibility and Accommodation: We are committed to providing accommodations throughout the recruitment process in accordance with applicable accessibility and human rights legislation. If you require accommodation at any stage of the hiring process, please contact us. 
Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.