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Contract Full Stack Java Developer Jobs in Toronto, ON

Citi

Full Stack Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

... in programming in Java, JavaScript or React, Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency with ...

Citi

Lead Java Full Stack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Lead Java Developer Role Summary: We are looking for a Java Full-Stack Engineer to design, build ... Design, build, document, and consume RESTful APIs; ensure service contracts and versioning ...

Citi

Lead Java Full Stack Developer

Mississauga, ON · On-site

Design, build, document, and consume RESTful APIs; ensure service contracts and versioning ... full-stack web application development. * Strong backend development experience with Java and ...

Jobtailor

Senior Java Full Stack Engineer

Toronto, ON · On-site

Strong experience with microservices architecture, including service decomposition, API contracts ... Experience as a Java Developer within a financial institution is desirable * Experience with Python ...

New

Citi

Full Stack Java Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The Applications Development Senior Programmer Analyst is an intermediate level position ... Java Spring Boot SQL Server Nice To Have Microservices Docker Kubernetes Jenkins Kafka WPF.NET ...

Citi

Senior Java Full Stack Developer

Mississauga, ON · On-site

The JAVA Full Stack Senior Developer role is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in ...

Konrad

Java Developer

Toronto, ON · Hybrid

CA$90K - CA$125K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

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All JobsContract Full Stack Java Developer JobsContract Full Stack Java Developer Jobs in Toronto, ON

Contract Full Stack Java Developer information

What is a contract full stack Java developer?

A Contract Full Stack Java Developer is a software professional hired on a temporary basis to design, develop, and maintain applications using Java for both front-end and back-end components. They are responsible for handling the entire software stack, including databases, servers, APIs, and client-side interfaces. Contract developers often work for a specific project or time frame, providing flexibility for employers and the opportunity to work on diverse projects for developers. They are expected to have expertise in Java technologies, as well as familiarity with frameworks, databases, and front-end tools.

What are the key skills and qualifications needed to thrive as a contract full stack Java developer?

To thrive as a Contract Full Stack Java Developer, you need strong proficiency in Java, front-end technologies (such as HTML, CSS, JavaScript), and experience with frameworks like Spring Boot and React or Angular, typically supported by a relevant degree or industry certifications. Familiarity with tools such as Git, CI/CD pipelines, RESTful APIs, and cloud platforms like AWS or Azure is usually required. Excellent problem-solving, adaptability, and communication skills help developers excel in dynamic, project-based environments. These competencies ensure you can deliver robust, scalable solutions effectively while collaborating with diverse teams and adapting to varied client requirements.

What are common challenges contract full stack Java developers face when joining new projects?

Contract Full Stack Java Developers often encounter challenges such as quickly adapting to new codebases, understanding existing architectural decisions, and integrating with unfamiliar development workflows. Since contracts are typically time-bound, there's pressure to deliver results efficiently while building relationships with established teams. Effective communication and the ability to rapidly learn project-specific tools and frameworks are crucial for success in these environments.

What is the difference between Contract Full Stack Java Developer vs Contract Java Backend Developer?

AspectContract Full Stack Java DeveloperContract Java Backend Developer
Primary FocusDeveloping both frontend and backend applications using Java and related technologiesFocusing mainly on server-side Java development, APIs, and backend logic
Required SkillsJava, JavaScript, HTML/CSS, frameworks like Spring Boot, Angular or ReactJava, Spring Boot, REST APIs, database integration
Work EnvironmentFull-stack development teams, client-facing projects, agile environmentsBackend teams, API development projects, server-side architecture

Contract Full Stack Java Developers typically handle both frontend and backend tasks, requiring knowledge of Java and frontend technologies. In contrast, Contract Java Backend Developers focus primarily on server-side development, APIs, and database integration. Both roles are common in enterprise and tech companies, but the full stack role demands a broader skill set, while the backend role specializes in server-side logic.

What are the most commonly searched types of Full Stack Java Developer jobs in Toronto, ON?

The most popular types of Full Stack Java Developer jobs in Toronto, ON are:

What are popular job titles related to Contract Full Stack Java Developer jobs in Toronto, ON?

For Contract Full Stack Java Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Contract Full Stack Java Developer jobs in Toronto, ON look for?

The top searched job categories for Contract Full Stack Java Developer jobs in Toronto, ON are:

Contract Full Stack Java Developer jobs near you
Infographic showing various Contract Full Stack Java Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 65% Full Time, 8% Part Time, and 27% Contract. Highlights an 89% In-person, and 11% Hybrid job distribution.

Senior Full Stack Java Developer

Toronto, ON • On-site

SereneAID
See more jobs at SereneAIDexternal

Other

Posted 4 days ago

Job description

Position: Senior Full Stack Java Developer

Client:Community Services Cluster, Ministry of Public and Business Service Delivery and Procurement, Government of Ontario

Location:777 Bay Street, Toronto, ON

Contract:September 28, 2026 – August 30, 2027

Openings:2

Security Clearance:No clearance required

Position Overview

We are seekingtwo Senior Software Developers – Full Stackto support the development, integration, enhancement, testing, deployment, and maintenance of business-critical web applications within the Ontario Public Sector.

Experience deliveringsecure, scalable, responsive, and AODA-compliant web applicationsis highly valued.

Key Responsibilities
  • Design, develop, configure, integrate, test, debug, document, deploy, and maintain enterprise software applications.
  • Translate technical system specifications and business requirements into working, tested applications.
  • Develop and maintainJava/J2EE web-based applicationsusing n-tier architecture.
  • Develop front-end interfaces and integrate them with back-end services and APIs.
  • Design, construct, consume, and integrateRESTful and SOAP web services.
  • Develop and maintain data pipelines involving extraction, transformation, and loading activities.
  • Develop database solutions and perform SQL scripting usingOracle and SQL Server.
  • Work with relational database technologies and RDBMS concepts.
  • Develop reusable, self-contained, testable software components and modules.
  • Apply current software architecture principles, design patterns, and development standards.
  • Troubleshoot and resolve application, integration, deployment, migration, and production issues.
  • Support application implementation, conversion, migration, and post-implementation activities.
  • Participate directly throughout theAgile/iterative Software Development Life Cycle (SDLC).
  • Conduct and participate in technical/design walkthroughs with project teams.
  • Collaborate with developers, architects, business stakeholders, SMEs, and other IT professionals.
  • Develop technical and system documentation as required.
  • Support continuous integration and deployment activities.
  • Ensure applications are designed for performance, scalability, maintainability, and reliability.
  • Ensure solutions comply with applicable accessibility requirements, includingAODA.
  • Assist with reviewing, analyzing, modifying, testing, and debugging installation/deployment scripts.
  • Provide technical assistance and support for software packages and applications.
Requirements Mandatory Technical Skills

Candidatesmust have hands-on experience with the following technologies:

  • JAVA
  • J2EE
  • JSF
  • HTML / DHTML
  • XML / XSL
  • Experience withServlets, EJB, Tomcat and/or WebLogicis required/desirable within the broader technology stack.
Open-Source Frameworks & Libraries
  • Spring
  • myBatis
  • jQuery
  • Experience with modern web development frameworks and reusable components.
Full-Stack Web Development
  • Front-end and back-end application development.
  • Web architecture and n-tier application architecture.
  • Front-end and API integration.
  • Development of reusable, self-contained, and testable UI modules/components.
  • Ability to develop front-end code capable of querying and consuming APIs.
  • Understanding of UX/UI principles.
Database / SQL
  • Oracle Database
  • Oracle SQL scripting
  • Relational Database Management Systems (RDBMS).
  • Experience withSQL Server.
  • Database design, implementation, integration, and management.
APIs & Web Services
  • REST / RESTful APIs
  • SOAP web services
  • Web Services development and integration.
  • API design, development, consumption, and front-end integration.
  • Swagger/OpenAPI knowledge is an asset
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