backend java developer jobs in Toronto

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,...

Hiring: Senior Full Stack Developer – FHIR & Healthcare Integration Location: Toronto, Ontario, Canada (Hybrid/Onsite as required) 🔹 Strong hands-on experience with FHIR Subscription, SubscriptionTopic, event-driven architecture, and clinical data integration. 🔹 Expertise in Java, Node.js, REST APIs, AWS Lambda, and asynchronous queue-based event...

Job Title: Lead Java Developer Job Location: Toronto, ON (2 days/week onsite) # Positions: 1 Employment Type: W2 Duration:Long Term Work Eligibility:All Work Authorizations are Permitted – No Visa Transfers Key Technology:Java 8, RDBMS, PL/SQL Job Responsibilities: Analyze a broad range of business requirements, conduct program / system research and...

Transform enterprise applications as a Senior AI Java Developer located in downtown Toronto. Design intelligent, AI-enhanced solutions using modern Java technologies and frameworks. This hybrid role calls for an individual adept in building scalable applications that integrate Generative AI and cloud AI services. You will leverage AI-assisted development...

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and...

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

Role: Core Java Developer with E-trade Experience Location: Toronto, ON (Hybrid) Job Summary: We are seeking a highly skilled Senior Java Developer with AI experience to join the FIC Global Spread Products eTrading Technology team. The successful candidate will contribute to the development of a next-generation electronic trading and algorithmic trading...

Java application development and testing define this full-time opportunity in Toronto. Apply Spring, Hibernate, and database expertise to large-scale systems. As an Associate Director or Lead Developer, you will design, code, test, and maintain Java-based applications. The work includes APIs, business logic, datasets, application analysis, and technology...

Insight Global is seeking a lead Java developer in Toronto. You will be the primary point of contact for traders, Quants, and support partners across North America and APAC, and will lead development projects that expand the system's capabilities to support Capital Markets Macro trading business. This is a hands-on technical leadership role, you'll be...

Queen's Park Ontario Provincial Government, Canada Country Canada Job Description Position: Full Stack Java Developer Location: Toronto, ON (Onsite) Job ID#: RQ11719 Duration: 12 Months Role Overview We are seeking a Senior Software Developer to develop,configure, integrate, test, deploy, and maintain complex application componentsin accordance with...

ResponsibilitiesCreate and maintain our UI applications and its supporting microservices.Optimize backend services or data pipelines for stability, performance and scalability.Provide technical support to promptly resolve escalated incidents / outages.Develop and document a detailed solution design, impart your subject matter expertise throughout life...

Job Title: Senior Java Developer Job ID: 2024-13063 Job Location: Toronto, ON (Hybrid – 2 days/week onsite) Job Travel Location(s): # Positions: 1 Employment Type: W2 Duration:Long Term # of Layers:0 Work Eligibility:All Work Authorizations are Permitted – No Visa Transfers Key Technology: Job Responsibilities: Code Quality & Maintenance: Create and...

Build Java and Spring systems for Ontario Teachers’ Member Services Product Engineering team through flexible office and remote work. Apply full lifecycle development expertise.This senior position supports Member Services strategic initiatives within agile delivery squads. You will develop systems, collaborate with product owners, consumers, testers, and...

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

A technology company in Toronto is seeking an intermediate Java Developer to enhance their e-commerce software and CRM system. The ideal candidate will possess 3-4 years of Java and Object-oriented programming experience. Key responsibilities include supporting product synchronization software, analyzing and developing code changes, and designing internal...

A leading technology solutions provider in Ontario is seeking a Senior Software Developer with expertise in mainframe technologies. The role requires extensive programming experience, specifically with PL/I and DB2, and offers the opportunity to work on complex system designs. The ideal candidate will have a strong background in programming, analysis, and...

Build Core Java software for Nasdaq’s trading infrastructure in Toronto, supporting live US exchange operations and Ocean systems beyond regular business hours.As a Software Developer reporting to the AVP of Software Development, you will design and support secure tokenized trading solutions. The work spans development, testing, deployment, monitoring, and...

Ready to advance your career in digital banking development? Working with one of our top financial clients, this role calls for an E-Banking Java Developer – Intermediate and offers an exciting opportunity to contribute to innovative online banking solutions. The position involves hands‑on backend development utilizing Java 17 or higher, within a dynamic...

Advance your career as a Senior Developer specializing in Java and C programming, with a focus on web services and user satisfaction. Effective communication is key to this role. We are seeking a seasoned developer with a minimum of 5+ years of experience and a bachelor’s degree in Computer Science or a related field. Strong experience in Java, C, and...

Java Developer with CMS Please find below Job description and share me your updated resume at Saurav.upadhyay@irissoftware.com . Skills dotCMS Adobe Experience Manager (AEM) Sitecore Magnolia Contentful Key Responsibilities Design, develop, and maintain Java-based backend services using Spring Boot and microservices architecture. Build and...