java developer internship jobs in Toronto

Role: API Developer Hybrid: 2 days in office API development using REST / JSON (and SOAP if applicable) Java / Spring Boot API Gateway experience (Azure/AWS API Gateway) API security: OAuth 2.0, JWT, SSO, API key management API documentation: Swagger / OpenAPI Integration experience with microservices and backend systems Experience with Postman, unit...

Government Services Integration Cluster in Toronto is seeking a Senior Software Developer to design, develop, and maintain Java components. You will build cloud-based microservices in Microsoft Azure, review code, and support deployments. Strong leadership and experience with API integration and secure coding are required. The role is onsite in Toronto,...

Source Code in Toronto seeks a Sr. Software Developer for a 1-year contract, onsite at 222 Jarvis St. You will translate requirements into scalable, tested full-stack apps using Java with Spring Boot, JPA/Hibernate, React or Angular, and PostgreSQL. You will design, build and test data-driven backend services and RESTful APIs, lead technical discussions, and...

Fidelity Canada is seeking a skilled Full Stack Developer for the Investly platform to build and maintain Java and React.js applications. You’ll work across Java, Kotlin, React, AWS, and mobile frameworks to deliver scalable solutions and new products.You’ll collaborate with internal groups, design robust APIs, and implement Agile/DevSecOps practices...

We are seeking a Senior Java Developer - Full Stack to design, develop, integrate, test, deploy, and maintain enterprise platform capabilities across user interface, service, API, workflow, integration, and data access layers. This role is responsible for building reusable platform services that support multiple business programs while implementing...

Strong experience in Java, C, Oracle Forms/Reports, UNIX, Web Services Hands on experience in JSP, Apache, XML, J2EE Qualifications Bachelor's degree in Computer science or equivalent, with minimum 5+ years of relevant experience. Demonstrate excellent communication skills including the ability to effec tively communicate with internal and external...

Overview Role Descriptions Responsibilities Proficiency in Java and Spring Boot. Strong knowledge of SQL Server, including database design, optimization, and query writing. Familiarity with RESTful API design and implementation. Knowledge of security best practices for back-end development (e.g., authentication, authorization, encryption). Experience...

Lead Java Application Developer [Fault Tree Analysis (FTA) Project] POSITION DESCRIPTION This key team member will lead the development of a Java-based Fault Tree Analysis (FTA) application for Engineering Professionals. This is a hands‐on leadership role requiring very strong cross‐platform Java development skills. The ideal candidate will have at...

Jobgether is seeking a Java + SQL + Angular Developer based in Canada to design, develop, and maintain scalable enterprise applications in a fully remote environment. You will contribute to the full software development lifecycle, from technical design to production support, using Java, Spring Boot, Angular, and relational databases to deliver secure,...

Nasdaq, Inc. is seeking a Senior Software Developer for the Eqlipse Trading team in Toronto. You will develop Java-based trading applications, collaborate with customers and global teams, and contribute to electronic trading, order management, and market data systems. You'll work with AI-powered development tools to enhance productivity and code quality,...

A tech company in Toronto is seeking an experienced API Developer for a hybrid role that requires working in the office two days a week. The successful candidate will utilize their expertise in API development with REST / JSON, Java, and Spring Boot, while ensuring robust security measures such as OAuth 2.0. Familiarity with API documentation and integration...

Senior Full Stack Developer - Java/React- Hybrid - Contract - $59.00-$64.00 Per Hr Description This position involves working in a dynamic technology environment in a hybrid setting. As a senior developer, you will lead key projects and mentor junior team members. The role requires expertise in both backend and front-end development, utilizing generic...

Chatbot Content Developer – Documentation Modernization & AI Enablement Work Arrangement: 1 day onsite per week Experience Required: 6–8 years Key Roles & Responsibilities Review, analyze, and improve technical documentation used as chatbot knowledge sources. Convert Confluence content into Markdown and documentation-as-code formats. Use GitHub Copilot...

Pursue an exciting career as a Full Stack Developer at Tata Consultancy Services, specializing in Java and React. This opportunity focuses on innovative development and collaboration across IT teams. At TCS Canada, we are looking for a Full Stack Developer skilled in Java and React to lead enhancements to our document management system. Engage closely with...

A tech consulting company is looking for a Senior Java Developer with expertise in Java and AWS. The ideal candidate will collaborate with cross-functional teams to design and maintain robust applications while ensuring high-quality code delivery. This contract position values excellent problem-solving and communication skills. Familiarity with Python and...

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...

Build enterprise routing engines with Java and Spring Boot at Miratech, working remotely within its Work From Anywhere culture. Shape real-time interaction distribution. As a Senior Routing Engine Developer, you will develop distributed backend services for contact center operations. The work spans microservices, REST APIs, event-driven architecture,...

Software Developer III - Java (5+ years) to modernize a new platform using Java and Agile 58895 Our banking client is seeking a Software Developer III - Java (5+ years) to modernize a new platform using Java and Agile Work with cutting-edge technologies on a large modernization project within a collaborative, 8-person team. You will contribute to a new...

Build Java applications with Spring Boot and AWS at Nasdaq while supporting reliable cloud-ready delivery on a Wednesday-to-Sunday schedule. This Software Developer role contributes to web-based and back-end server applications for financial securities customers. You will collaborate with development, QA, DevOps, and operations teams using iterative...

Build Java applications with Spring Boot and AWS while supporting Nasdaq’s securities technology through a Wednesday-to-Sunday hybrid schedule. Deliver cloud-ready software across office and remote coverage. As a Software Developer, you will create professional web-based and back-end server applications for demanding financial securities customers. The...