senior java backend architect jobs in Toronto

Architect Java test automation and AI-assisted testing as a hands-on Senior SDET leading performance engineering across global teams.This Senior SDET combines architectural ownership with hands-on engineering and global technical leadership. You will build scalable frameworks across UI, APIs, microservices, and data pipelines. The work also includes...

Architect Java test automation and AI-assisted testing as a hands-on Senior SDET leading performance engineering across global teams. This Senior SDET combines architectural ownership with hands-on engineering and global technical leadership. You will build scalable frameworks across UI, APIs, microservices, and data pipelines. The work also includes...

A leading global IT services firm in Toronto seeks an experienced Java Architect. Responsibilities include designing scalable architectures, leading design sessions, and collaborating with stakeholders. The role requires a Bachelor’s degree and over 10 years of experience in Java development, along with strong knowledge of cloud platforms. Compensation...

Compunnel, Inc. is seeking a Software Developer V based in Toronto to design and review backend services and REST APIs. This role involves leading the orchestration of multiple upstream services while guiding the team on scalable service design and defining API contracts. The ideal candidate will have over 10 years of backend development experience,...

Kumaran Systems is hiring a senior backend engineer in Toronto to design, develop, and operate backend services in Python. You will build REST APIs, manage Linux-based deployments, and drive automation with scripting and CI/CD practices. Ideal candidates have extensive Python experience, Oracle DB know-how, and a track record of end-to-end service ownership...

Thomson Reuters in Toronto, Ontario is seeking a Senior Software Engineer with strong DevOps and cloud expertise to design, build, deploy and operate scalable cloud-native services. You will work with Java, Spring Boot, AWS, PostgreSQL, CI/CD and IaC across development to production, in a hybrid model with three days onsite per week. You will partner with...

We are seeking a Senior Backend Developer with strong experience building cloud-native, workflow-driven platforms in regulated financial services environments. This role focuses on designing, developing, and supporting scalable, resilient, and secure backend services that power complex mortgage and lending workflows. The ideal candidate has deep expertise in...

A leading tech firm is seeking a skilled developer proficient in Java and Spring Boot, alongside strong SQL Server knowledge. The role requires familiarity with RESTful API implementation and security best practices for back-end development. The ideal candidate must have experience with version control systems like Git and possess 6-8 years in the field....

Own AWS-based backend architecture in Toronto with hands-on API development, system integrations, and secure application design. This hybrid contractor assignment requires two onsite days weekly. As a Senior Full Stack Developer, you will lead architecture and development for end-user self-service and access visibility solutions. You will develop APIs,...

Cohere is seeking a highly experienced Back-End Software Engineer to help shape the Model Vault platform. You will own architecture for reliable, secure, and scalable backend systems that connect customers to enterprise AI inference at scale. You’ll lead critical initiatives across identity, billing, and deployment systems, collaborating with...

Affim is building the financial brain behind our card products. We’re seeking a senior backend engineer to lead design and development of high‑throughput, highly available services, from APIs to data models in a distributed architecture. You’ll collaborate with product, data science, and engineering teams, mentor junior engineers, and drive robust,...

Kaseya Limited in Toronto, Canada, is hiring a Senior Staff Software Engineer to shape the architecture and evolution of Java-based SaaS platforms and shared backend services. This hands-on leadership role focuses on solving complex distributed systems challenges and guiding multiple teams toward scalable, reliable solutions. You will collaborate with...

Kaseya Limited in Toronto, Canada, is hiring a Senior Staff Software Engineer to shape the architecture and evolution of Java-based SaaS platforms and shared backend services. This hands-on leadership role focuses on solving complex distributed systems challenges and guiding multiple teams toward scalable, reliable solutions. You will collaborate with...

Astra-North Infoteck Inc. in Toronto, ON is seeking a Senior Backend Java Developer with 8+ years of experience to design and build scalable backend systems. You will work in a hybrid setup, collaborating with English and Spanish-speaking teams across regions to deliver robust microservices and RESTful APIs on Azure. Strong communication and problem-solving...

Kumaran Systems is seeking an accomplished senior .NET backend engineer to design and implement scalable services in Azure. You will work on RESTful APIs, data modeling in SQL Server/Azure SQL, and secure authentication patterns while driving CI/CD through modern DevOps practices. Join a team that emphasizes engineering discipline, AI-enabled modernization,...

Astra-North Infoteck Inc. in Toronto, ON is seeking a Senior Backend Java Developer with 8+ years of experience to design and build scalable backend systems. You will work in a hybrid setup, collaborating with English and Spanish-speaking teams across regions to deliver robust microservices and RESTful APIs on Azure. Strong communication and problem-solving...

Build scalable Java backend services remotely for Just Eat Takeaway.com from Alberta, Manitoba, or Ontario. Apply strong system design expertise. As a Senior Java Developer, you will support the Logistics Areas and Fees team. You will architect, develop, and operate distributed systems for delivery calculations. The work includes Java 21, REST APIs, message...

A leading tech company in Toronto is seeking a Java Backend Developer with 8+ years of experience. The role focuses on designing Java/Java EE solutions, developing Microservices and REST APIs, and utilizing technologies like Spring and SQL. Ideal candidates will have a solid understanding of integration patterns, Linux commands, and DevOps technologies. This...

A leading technology firm based in Toronto is seeking a Lead Java Architect with over 10 years of experience in Java development, particularly with Spring Boot. The candidate will lead the design and development of robust backend systems, ensuring high performance and reliability. Strong expertise in cloud platforms (AWS) and container technologies (Docker,...

My recruiter Inc is seeking a Principal Java Developer to define the technical product architecture and drive best practices across the development team. You will shape and guide the system design for scalable enterprise SaaS/PaaS applications in a dynamic environment.The role requires deep Java expertise, strong experience with Spring, Docker, Kubernetes,...