senior java backend architect jobs in Toronto

Senior Java Full Stack Developer focused on microservices and REST APIs, designing enterprise platform capabilities across frontend, backend, integration, workflow, and data layers. This senior-level position delivers reusable platform services and service-specific integrations for modern enterprise applications. You will translate technical specifications...

Build high-performance backend systems with Golang in a permanent hybrid Senior Software Engineer position focused on enterprise energy management. Shape scalable technology through microservices and cloud-native engineering. This Senior Software Engineer role centers on modernizing distributed architectures and developing intelligent, data-driven energy...

Build high-performance backend systems with Golang in a permanent hybrid Senior Software Engineer position focused on enterprise energy management. Shape scalable technology through microservices and cloud-native engineering. This Senior Software Engineer role centers on modernizing distributed architectures and developing intelligent, data-driven energy...

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...

About Plooto Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses the financial power to succeed on their own terms. We make payments secure, accurate, and stress-free so businesses and their accountants can spend less time in the books, confidently manage cash flow, and make smarter decisions every day. We’re a team...

CGI Canada Career - Java Developer By playing this video you consent to Google/YouTube processing your data and using cookies – Learn more. Position Description: We are Canada's largest independent information technology services firm, and after 45+ years, we're still growing! Join Canada's largest IT Company as a Senior Java...

Build high-throughput streaming systems as a Senior Java Engineer specializing in Apache Flink, working hybrid from downtown Toronto three days weekly. This senior backend engineering role supports the Core Data Platform team in evolving real-time data architecture. You will develop stateful pipelines with Java DataStream and Table/SQL APIs, integrate Apache...

Design distributed authentication services for eBay using Java, Spring Boot, REST, and event-driven architecture. Help build cloud-native capabilities. This Senior Software Engineer role focuses on production-grade backend applications and scalable distributed systems. You will create APIs and microservices supporting Authentication as a Service, extending...

Senior Backend Java Developer – Java, Spring Boot, Microservices & Azure Languages Required: English & Spanish (Professional Fluency) Work Arrangement: Hybrid: 2-3 days in office a week Job Description: We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API...

As a Staff Software Developer on the Monetization team, you’ll lead technical initiatives and take significant ownership over service architecture, product API development, and data modeling. You’ll design and iterate at startup speed, working with modern Java, MySQL, DynamoDB, gRPC, GraphQL, Kafka, and microservices architecture. In this role, you’ll...

Build Java solutions for banking platform modernization, using backend or full-stack development and Angular experience where applicable. Support secure digital experiences through Agile delivery.This senior developer assignment supports a large-scale financial technology modernization initiative. You will develop, test, document, and support Java solutions...

Join Cisco as a Senior IVR Developer specializing in DTMF applications and Java development! Leverage your CVP expertise to deliver powerful customer solutions in an engaging environment. This role at Cisco requires over 4 years of experience in DTMF IVR development, emphasizing Java and API integrations. You'll work with Cisco Call Studio and integrate IVR...

Build scalable revenue systems with Vivid Seats as a Senior Software Engineer on the Orders team, using Java, Python, or Node.js. This hybrid role includes three in-office days weekly. You will develop and support production web applications powering Vivid Seats’ online ticket marketplace. The senior position emphasizes backend technologies, modern web...

Shape innovative trading solutions as a Lead Senior Java Engineer with RBC. This role focuses on high-performing backend product development in cloud environments, driving key business values for clients. Join the RBC Wealth Management Technology team in this lead role, where you will collaborate with Solution Architects and Software Engineers to design...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence.Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient and...

Lead Java and Spring Boot modernization in Downtown Toronto, working hybrid with four onsite days weekly on a six-month contract. Build resilient services. This Senior Full Stack Engineer role focuses approximately 80% on backend development and 20% on React enhancements. You will modernize a mission-critical Public Markets platform by decomposing its...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence.Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient and...

Build Java cloud services with strong DevOps expertise at Thomson Reuters in Toronto, using AWS, Spring Boot, and PostgreSQL within a hybrid model.As a Senior Software Engineer, you will design, deploy, and operate scalable cloud-native services. You will own solutions across delivery and production operations while improving reliability, deployment...

Job Title: Senior Software Engineer – Java / Apache Flink (Hybrid) Location: Toronto, ON (Hybrid – 3 days in-office / 2 days remote) Position Overview We are seeking a talented Senior Java Engineer with deep expertise in Apache Flink to join our growing Core Data Platform team in Toronto. In this role, you will design, build, and optimize...

Senior Java Developer (with LLM expertise) Full-time Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the...