backend java developer jobs in Toronto

Step into a contract role as a Hadoop Developer in Toronto, bringing your Java and Hadoop expertise to life. A minimum of 4 years in relevant technologies is essential for success. This contract position is ideal for candidates with substantial experience in Hadoop, Hive, and Spark. You should have a solid Java background along with SQL capabilities. Agile...

Hands-on Curam development and J2EE Java expertise define this senior Technical Specialist opportunity in case management and ERP systems.This senior position translates technical specifications into tested applications through analysis, design, coding, compilation, maintenance, and unit testing. You will troubleshoot software packages, support...

Advance as a Java Developer, equipped with 5+ years of hands-on experience designing scalable enterprise applications. Gain an edge with your knowledge in Core Java, Cloud technologies, and Microservices. We are looking for a skilled Java Developer to join our collaborative team focused on building high-quality applications. Candidates must demonstrate...

Java Full-Stack Developer This role is eligible for our hybrid work model: Two days in-office. Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating to better meet the needs of our customers. If you thrive in a fast-paced, ideas-led environment, you’re in the right place. Why this job’s a big...

My recruiter Inc caters to grow the business to next level by providing professional services to empower the organizational values with right suitable candidate. Our mission is to provide the skilled professionals who will work with passion and dedication for the success of the organizations. Our client is a global software services and solutions provider....

Localcoin, founded in 2017 with headquarters in Toronto, is on a mission to simplify the process and experience of buying or selling digital currencies globally. We envision bringing digital currency to the mainstream financial market through partnerships with leading corporate and franchised retail spaces. With terminals across Canada, Poland and the APAC...

Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We're a leading global online food delivery platform, and our vision is to empower everyday convenience. Whether it's a Friday night feast, a post gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of...

At Flexspring, you will have the autonomy and flexibility to tackle your role in a way that is right for you. We foster a learning culture that will allow you to develop new skills and progress in your career. Who We Are Flexspring is an iPaaS (Integration Platform as a Service) company specializing in HR data integrations. We partner with HR teams and HR...

Job DescriptionWhat is the opportunity?Join our innovative PayEdge Technology team at RBC, where we're revolutionizing payment solution for commercial clients. We are seeking a Senior API Developer to build the robust and scalable APIs. As a key player, you'll contribute to every stage of the software development life cycle, focusing on quality,...

5+ years building and operating production REST APIs in Node.js & TypeScriptHands-on AWS serverless experience — Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, SNS, SQS, Glue, ECS — built and run in production, not just in tutorialsStrong REST API design skills — resource modeling, HTTP semantics, versioning, idempotency, and OpenAPI/Swagger...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team +...

The Reference Data team, part of the broader Trade Data organization within the Brokerage Platform at Robinhood, serves as the source of truth for diverse asset classes—including equities, options, crypto, event contracts, and tokenized stocksOur core systems, Quiver and Arsenal, interface with external providers such as Bloomberg, Alpaca, Kalshi, and...

Own Shopify Plus architecture, custom applications, integrations, APIs, and webhooks.Assess the existing platform and identify technical debt, scalability risks, performance issues, and optimization opportunities.Develop and maintain a technical roadmap aligned with business growth and operational efficiency.Design and manage integrations with ERP, OMS,...

Build backend systems in Waterloo, Ontario, with REST APIs, microservices, and event-driven architecture in a hybrid environment. Apply modern frameworks and languages to deliver reliable software.This backend developer role requires eight years of experience, including five or more years in backend development. You will work with SOAP, REST APIs,...

Build backend applications with Node.js and AWS Lambda for Dawn InfoTek Inc. in a hybrid Toronto Downtown consulting assignment. Two office days weekly are required.Dawn InfoTek Inc. is seeking an AWS with Node.js Developer for a leading Canadian bank client. This backend developer role requires hands-on AWS Lambda development and experience in Agile...

Insight Global is looking for a Backend Developer to join a leading wealth management client supporting the continued buildout of a digital advisor portal. This initiative is a high-priority, enterprise-wide effort focused on delivering new features and enhancing the overall advisor and client experience. This individual will play a key role in backend...

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 Python backend services and APIs as a Senior Software Developer in Toronto, using FastAPI and SQL within a hybrid schedule. Working in DNV’s Data & AI Engineering section, you will design, develop, test, and maintain scalable platform capabilities. The role combines API development, data modeling, cloud-native technologies, and backend engineering....

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows.The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Backend Developer - Camunda / Orchestration 08/13/2026 Contract Active Job Description: Job Summary The Intermediate Backend Developer will build the orchestration/workflow layer for Client Unified Experience, supporting electronic tracking (eTrack) of applications/lifecycle and electronic documents (eDocs). The role involves implementing Camunda-based...