Associate Professional Software Engineer Jobs in Toronto, ON

Job Description We are looking for a hands‑on Senior Software Engineer to design, build, and operate scalable cloud‑native backend services and distributed applications. You will work primarily with Java, Spring Boot, AWS, and PostgreSQL, partnering with Product, Architecture, DevOps, Security, and other engineering teams to deliver reliable, maintainable solutions from design through production. In this role, you will have meaningful ownership across the software development lifecycle, contribute to technical design and architecture decisions, and help improve the scalability, reliability, performance, and quality of our platforms. You will also provide technical guidance and mentoring to other engineers while promoting strong engineering practices and end‑to‑end ownership.

• Design, develop, test, deploy, and support scalable backend services, REST APIs, and microservices using Java, Spring Boot, AWS, and PostgreSQL.
• Build and evolve distributed systems using asynchronous messaging, event‑driven architecture, service‑to‑service communication, caching, resiliency, and fault‑tolerant design patterns.
• Own technical solutions end to end, including requirements analysis, solution design, implementation, automated testing, deployment, monitoring, troubleshooting, and production support.
• Design and optimise PostgreSQL databases, including schema design, migrations, indexing, query tuning, data integrity, concurrency, and performance optimisation.
• Partner with Product, Architecture, DevOps, Security, and other cross‑functional teams to translate business requirements into scalable and maintainable technical solutions.
• Drive engineering quality through code reviews, automated testing, observability, secure development practices, performance optimisation, and continuous improvement.
• Provide technical guidance, mentoring, and knowledge sharing to engineers while promoting a strong culture of accountability, collaboration, and engineering excellence.

• Professional software engineering experience building and supporting production backend applications.
• Strong hands‑on experience with Java and Spring Boot.
• Strong experience developing and deploying applications on AWS Cloud.
• Strong experience with PostgreSQL, including database design, SQL development, indexing, and query optimisation.
• Experience designing and developing REST APIs, microservices, and distributed systems.
• Experience owning software throughout the full development lifecycle, including development, automated testing, deployment, monitoring, troubleshooting, and production support.
• Demonstrated ability to solve complex technical problems independently and make practical engineering decisions while balancing scalability, reliability, maintainability, security, and delivery needs.
• Strong communication and collaboration skills, with the ability to explain technical decisions, risks, dependencies, and trade‑offs to both technical and non‑technical stakeholders.
• Experience providing technical guidance, mentoring, code reviews, or knowledge sharing within an engineering team.

• Experience with Python, including FastAPI or asynchronous service and API development.
• Experience with distributed messaging and event‑driven technologies such as AWS SQS, SNS, Apache Kafka, and Redis.
• Experience with asynchronous processing, publish/subscribe patterns, caching, resiliency, and fault‑tolerant distributed architectures.
• Experience with containerisation, orchestration, and other cloud‑native application patterns.
• Experience with CI/CD, Infrastructure as Code, GitHub Actions, or Terraform.
• Experience with observability practices, including application logging, metrics, monitoring, alerting, distributed tracing, and production issue analysis.
• Experience with performance engineering, including load testing, profiling, capacity planning, scalability testing, and bottleneck analysis.
• Experience evaluating or using AI‑assisted engineering tools or AI capabilities for relevant software development use cases.

• Hybrid Work Model: We’ve adopted a flexible hybrid working environment for our office‑based roles while delivering a seamless experience that is digitally and physically connected.
• Flexibility & Work‑Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work‑life balance.
• Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real‑world solutions. Our Grow My Way programming and skills‑first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI‑enabled future.
• Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company‑wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programmes, and resources for mental, physical, and financial wellbeing.
• Culture: Globally recognised, award‑winning reputation for inclusion and belonging, flexibility, work‑life balance, and more. We live by our values: Obsš over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.
• Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro‑bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
• Making a Real‑World Impact:We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.
• Our use of AI within the recruitment process: Thomson Reuters utilizes Artificial Intelligence (AI) to support parts of our global recruitment process. Unless you opt‑out, our AI system will assess the information provided by you and compare it to the requirements listed for the role, and present the result to our recruitment personnel for further review. The AI system acts as a supporting tool, but there is always a human making the decision if you will be considered for the role. Thomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations. For Ontario, Canada, the base compensation range for this role is $105,000 CAD – $155,000 CAD. Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward programme which also includes flexible and supportive benefits and other wellbeing programmes. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.

The base compensation range varies across locations. For Ontario, Canada, the base compensation range for this role is $105,000 CAD – $155,000 CAD. Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward programme which also includes flexible and supportive benefits and other wellbeing programmes. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.

Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organisations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialised software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news. We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them.

Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug‑free workplace. We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law.

More information about Thomson Reuters can be found on thomsonreuters.com. Learn more on how to protect yourself from fraudulent job postings here.

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.