senior java backend architect jobs in Toronto

Lead Java backend development with Spring Boot, microservices, and AWS expertise in a senior engineering capacity. Apply deep experience across modern software systems. This senior Java developer role requires 9+ years in Java development and 10+ years of overall IT experience. You will work with Java/J2EE, Spring, Spring Boot, dependency injection...

Backend-focused Java engineering anchors this senior opportunity, with Spring Boot, Oracle, REST APIs, and three weekly office days required. The Senior Software Developer designs and develops applications from technical specifications while emphasizing backend systems. Responsibilities include programming, testing, troubleshooting, deployment support, and...

Overview Senior Core Java Developer This is with a large IT services firm for a major Canadian bank. Candidate must have legal work status for Canada. Client Location is downtown Toronto, close to GO and TTC. Hybrid - In-Office 3 days per week. Increase to 4 days in September 2025. Perm/FT role, salary and benefits or on contract - 6 months to start at...

Lead Java backend development at CIBC in Toronto through hybrid work, designing APIs and enterprise-scale mobile solutions for iOS and Android. As a Backend Consultant in Direct Financial Services within Capital Markets, you will guide technical design, development, and integration. Your work will support CIBC’s digital transformation through personalized...

Lead Java backend development with Spring Boot, microservices, and AWS expertise in a senior engineering capacity. Apply deep experience across modern software systems. This senior Java developer role requires 9+ years in Java development and 10+ years of overall IT experience. You will work with Java/J2EE, Spring, Spring Boot, dependency injection...

Build AI-powered backend capabilities with Java, Spring Boot, and LLM orchestration for scalable, resilient banking application ecosystems.This Senior Java Developer role connects high-scale microservices architecture with GenAI for a major financial services client. You will build intelligent automation, Retrieval-Augmented Generation, vector database...

Apply Java backend expertise to practical AI features at Agilno, building document workflows with AWS-hosted large language models. This Senior Java Developer position centers on robust architecture, feature development, and production REST APIs. Java and Spring Boot account for approximately 80–90% of the work, while React and TypeScript support the...

Modernize a banking platform with Java and Agile in Toronto’s hybrid Software Developer III contract. Apply backend expertise across a major transformation initiative. This senior developer role requires five-plus years of Java and backend or full stack experience. You will contribute to a new platform modernization project within an eight-person...

Build secure banking and payment backends as a Senior Java Engineer, using Spring Boot and distributed-system technologies in an international FinTech company. Our client is an established FinTech software provider with more than 25 years of experience. You will design, develop, test, deploy, and support Java backend services. The work covers REST APIs,...

Modernize a banking platform with Java and Agile in Toronto’s hybrid Software Developer III contract. Apply backend expertise across a major transformation initiative. This senior developer role requires five-plus years of Java and backend or full stack experience. You will contribute to a new platform modernization project within an eight-person...

Build enterprise banking software with Java and Spring Boot in a hybrid Downtown Toronto engineering team. Apply backend expertise across scalable solutions. This Java Software Engineer role requires five-plus years of experience and focuses primarily on backend development. You will work with Java, Spring Boot, microservices, PostgreSQL, Docker, and cloud...

Build AI-powered backend capabilities with Java, Spring Boot, and LLM orchestration for scalable, resilient banking application ecosystems. This Senior Java Developer role connects high-scale microservices architecture with GenAI for a major financial services client. You will build intelligent automation, Retrieval-Augmented Generation, vector database...

Priceline.com LLC in Toronto, Ontario is seeking a Java Developer to design and enhance backend systems and REST APIs. This hybrid role combines in-office collaboration with remote work on non-peak days, leveraging modern Generative AI tools to accelerate development. You will work on cloud-native applications using Core Java, Spring Boot, and Kafka,...

Build real-time backend systems with Java and Kubernetes at Just Eat Takeaway.com, working remotely from Calgary, Toronto, or Winnipeg. Own services powering courier logistics. As a Senior Backend Engineer in the Logistics Courier Pay Network team, you will design, deploy, and operate distributed services. Your work spans data modelling, event flows,...

A leading IT services company is seeking a Senior Platform Engineer in Toronto, Canada. The role requires 4–6 years of experience in Python backend development and expertise in RESTful API design. You'll be responsible for developing high-quality features for a core banking platform within an agile team. The ideal candidate will have strong problem-solving...

Build backend services with Java, Spring Boot, and RESTful web services while working with legacy systems and new applications.This Java Software Engineer role requires 8+ years of hands-on IT experience and strong backend development expertise. You will design web-based applications, enhance features, investigate defects, and work directly with MySQL and...

Lead Java Architect (Mid level) Toronto - Hybrid Hands on coding, need to clear coding test. Key Responsibilities Lead the design and development of robust, scalable, and maintainable backend systems, ensuring adherence to high and basic design principles Lead database architecture and optimization efforts, with a focus on performance and data...

About Agilno: At Agilno, we have spent the last 10 years building digital products for product-led North American companies. We don’t just ‘crank out’ lines of code; we collaborate closely with our partners to plan, design, and optimize software that brings actual, measurable value to users. Our engineering team is made up of people who genuinely care...

CIBC's Shared Platform Technology team is delivering enterprise-scale, cloud-based applications across multiple back-end systems. As a Sr. Consultant, Back End Developer- Java, you will build, implement and maintain flexible solutions in Java and Go, and shape technical design and integration.You’ll work with on-site 1-3 days per week in a hybrid model,...

Reuters in Toronto, Canada is seeking a hands-on Senior Software Engineer with strong DevOps and cloud platform expertise. You will design, build, deploy, and operate scalable cloud-native services using Java, Spring Boot, AWS and PostgreSQL, while owning CI/CD pipelines and infrastructure as code. You will partner with Product, Architecture, Security and...