Top Java Developer Jobs in Toronto

Develop scalable Java Spring Boot APIs, microservices, React-based interfaces, ETL pipelines, and SQL data solutions. Deploy workloads on AWS, optimize performance, implement monitoring and automation, and collaborate with product, frontend, data, and DevOps teams. The role also contributes to architecture, accessibility, reliability, and data-driven product improvements.

Develop and deliver production-grade consumer and enterprise web applications using Java and Spring Boot. Responsibilities include writing maintainable and performant software, participating in code reviews, conducting extensive testing, researching development tools, and collaborating effectively with the software team. The role also involves full-stack development using frontend JavaScript frameworks, databases, APIs, security practices, and modern web application architecture.

Design, develop, and evolve high-volume enterprise shared services using Java, Spring Boot, and MongoDB. Lead technical delivery, architecture alignment, middleware integration, engineering standards, production troubleshooting, and platform improvements. Provide Tier 3 support, mentor developers, translate business needs into technical solutions, and collaborate across global engineering, infrastructure, architecture, and product teams.

Design, develop, test, and maintain Java-based enterprise applications and scalable REST APIs/microservices using Spring Boot. Work with relational databases, unit/integration tests, CI/CD, version control, and participate in Agile ceremonies. Support cloud deployments, debugging, code reviews, and collaborate with cross-functional teams.

Designs, develops, maintains, and optimizes critical Java desktop applications. The role involves software architecture, modern user interface development, API and database integration, performance tuning, test and deployment automation, application security, and Agile lifecycle participation. The developer will use AI-assisted development tools, collaborate with Product, QA, and Support, evolve complex products, and provide technical leadership.

Design, develop, test, maintain, and support scalable Java full-stack applications for TD’s prime brokerage platform. Translate business requirements into secure technical solutions, build REST APIs and microservices, develop React front ends, and manage database integrations. Participate in code reviews, production support, incident resolution, root-cause analysis, deployment, performance tuning, and continuous improvement. Collaborate with business, QA, infrastructure, and application support teams while managing technical risks, dependencies, and delivery requirements.

Lead development of strategic cross-asset margin systems supporting derivatives risk management. Design and implement Java applications and distributed services using microservices, APIs, Kafka, cloud platforms, and databases. Establish coding and testing standards, oversee software quality and production releases, assess complex systems and risks, and mentor developers. Collaborate with technology, risk, quant, trading, operations, and management teams while ensuring regulatory and governance compliance.

Develop and support full-stack applications for OTC derivatives and Markets Technology. Responsibilities include feasibility analysis, system design, coding, testing, implementation, user support, security improvements, risk assessment, and advising junior analysts. The role requires Java-based REST API development, JavaScript or React proficiency, TDD, clean code, algorithms, SQL, and independent work in a fast-paced financial technology environment.

Lead the design, development, and deployment of scalable enterprise applications. Own initiatives from inception through production, translate business requirements into secure technical designs, establish coding and architectural standards, resolve complex technical problems, and conduct code reviews. Mentor developers and analysts, collaborate with product and business stakeholders, manage technical dependencies, and ensure compliance, risk management, and high-quality delivery.

Lead the design and implementation of scalable Java microservices, data platforms, and batch and real-time pipelines. Optimize lakehouse technologies, event-driven architectures, cloud-native deployments, data quality, governance, observability, and performance. Establish schema contracts, testing, monitoring, SLAs, SLOs, and automated validation. Provide technical leadership, mentor engineers, collaborate with product, analytics, and AI teams, and drive modernization and engineering best practices as a hands-on contributor.

Develop cloud-native Java applications, REST APIs, and high-throughput transactional services using Spring Boot and Kafka. Query data with SQL, monitor applications with Splunk and New Relic, and support CI/CD delivery. Collaborate in Agile teams to implement business-focused changes, troubleshoot systems, and contribute to product strategy. The role also involves using GenAI tools and may include microservices, Kubernetes, Docker, GCP, and AWS.

Develop and lead Java-based payment microservices and shared services. Shape technical requirements, maintain roadmaps, write and review quality code, troubleshoot production issues, and support testing and deployments. Collaborate with technology and business stakeholders, ensure scalable and secure solutions, follow enterprise delivery standards, and lead other developers. The role requires expertise in Java, Spring Boot, DevOps, Kafka, APIs, databases, CI/CD, cloud platforms, and software architecture.

The Senior Engineer in Production Management will develop and implement software, applying best practices in a regulated environment and fostering team productivity through Agile methodologies.

Seeking a Core Java Developer with 7+ years of experience in Core Java, multithreading, and backend systems. Communication skills are crucial.

Design, develop, and integrate scalable applications using Angular for frontend and Java with Spring Boot for backend. Ensure seamless user experience and performance while collaborating with cross-functional teams.

The Java Developer Lead is responsible for backend design decisions, guiding team coding standards, reviewing code, and resolving complex technical issues.

Design, develop, and maintain backend services using Core Java and Spring Boot, working with Microservices, RESTful APIs, and SQL/NoSQL databases.

The Java Full Stack Developer will develop backend services, design Microservices, and build responsive UIs with React.js, ensuring integration and performance optimization.

Design, develop, and deploy Java and Spring Boot backend applications using MongoDB. Build and integrate AI agents with Google ADK and apply prompt engineering techniques to large language model solutions. Support feasibility studies, estimation, planning, testing, implementation, security, compliance, and business-user operations. Serve as an application development subject matter expert while managing projects independently and advising senior stakeholders.

Participate in full application lifecycle: feasibility, analysis, design, development, testing, implementation, and support. Provide estimates, risk assessment, security recommendations, consult with users, coach junior analysts, and act as SME with limited supervision.

The Senior Software Engineer will develop and maintain software solutions, write efficient code, perform testing, and collaborate with teams to enhance product performance.

Lead application systems analysis and programming efforts, design and implement application changes, resolve complex business and system issues, coach mid-level developers, manage projects, define coding/testing standards, and ensure solutions align with architecture, compliance, and risk controls.

Lead development of internal tools and platforms that improve engineering productivity and developer experience. Design, build, deploy, and optimize scalable web applications and cloud services using Java, Spring, Angular, React, and OpenShift. Collaborate with stakeholders, implement microservices and REST solutions, establish automated testing and deployment practices, and provide technical leadership for platform improvements. The role also involves monitoring, debugging, tuning, and maintaining highly reliable enterprise applications.

Design, develop, and implement enterprise Java applications. Perform systems analysis, feasibility, estimates, SDLC oversight, testing, deployment, and post-implementation support. Use cloud-native technologies (Kubernetes, Docker), event-driven architecture (Kafka), RDBMS, API development, and application security. Mentor junior analysts, collaborate with stakeholders, enforce standards and compliance, and drive DevOps/CI-CD practices.

The Lead Java Developer will design, build, and support web applications, focusing on both front-end and back-end development using Java, Spring Boot, Angular, and microservices architecture.