Toronto, On Full stack java / api developer Jobs – 106 Openings This Week

Lead Full Stack Java Developer - Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- DevOps
- Java
- SQL
Senior Software Developer - Full Stack - Toronto
Randstad —Toronto, ON
- $551.64–$596.33 a day
- Temporary
- Software troubleshooting
- Epic
Quick apply
3d
Associate Director - Lead Software Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- Computer Science
- Engineering
- Microsoft Office
5h
Senior Quality Assurance Manager – QE Automation
Royal Bank of Canada —Toronto, ON
- Full-time
- Java
- Team management
- Mentoring
SAP eCommerce Senior Developer
Tata Consultancy Services —Toronto, ON
- $100,000–$120,000 a year
- Java
- APIs
- Communication skills
Sr. Software Engineer, Backend
Pinterest —Toronto, ON
- Hybrid work
- Computer science
- Computer Science
- Java
Senior AWS Lambda (Java) Developer
Play Hockey —Canada
- From $80,000 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Java
- Disability insurance
- Dental care
Quick apply

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Senior Software Developer - Full Stack - Toronto
Randstad —Toronto, ON
We are seeking a highly skilled Senior Software Developer - Full Stack to lead the development, modernization, and integration of modern full-stack application…
$551.64–$596.33 a day
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3d
Senior Full Stack Developer
InfoTrack Canada —Toronto, ON
*Use AI to move faster* by leveraging agentic coding tools such as Claude Code to accelerate development, raise quality, and spend more time on the hard, high-…
$150,000–$170,000 a year
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Full-Stack Java/Angular Lead Developer
Intact —North York, ON
Pour honorer notre promesse de réussir en équipe, nous partageons les fruits de notre succès avec nos employés par l’entremise d’un programme de bonis annuels…
$118,700–$145,100 a year
13h
Senior AWS Lambda (Java) Developer
Play Hockey —Canada
Play Hockey offers a competitive compensation package, benefits program, remote work, and a fun yet challenging work environment.
From $80,000 a year
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Lead Full Stack Java Developer - Vice President

Citi -
Mississauga, ON

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Job details

Full-time
$120,800–$170,800 a year

Qualifications

Spring Boot
Elasticsearch
Gradle
CSS
JUnit
Cassandra
React
Kubernetes
Full-stack development
Cucumber (software testing tool)
DevOps
Tomcat
NoSQL
Selenium
Git
MongoDB
Java
SQL
Docker
Bachelor's
JavaScript
Redis
Splunk
RabbitMQ
JPA
REST
GitHub
APIs
Less (style sheet language)
Kafka
GraphQL
Maven
Jenkins
TypeScript
GitLab
Spring framework
Debugging
HTML
Hibernate

Full job description

The Lead Full Stack Java Developer with 6-10 years of experience is responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities:

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Technical Skill Requirements:

1. Frontend (Client-Side)

HTML5/CSS3: The foundational languages for structuring and styling web content.
JavaScript/TypeScript: Essential for interactive and dynamic web pages.
Frontend Frameworks/Libraries:
- React: A declarative, component-based JavaScript library for building user interfaces.
Build Tools:
- Webpack/Vite: Module bundlers for JavaScript applications.
- NPM/Yarn: Package managers for JavaScript.

2. Backend (Server-Side)

Programming Language:
- Java: The primary language for backend logic and APIs.
Frameworks:
- Spring Framework (especially Spring Boot): The most popular and comprehensive framework for building enterprise-grade Java applications, including RESTful APIs, microservices, and web applications. Spring Boot simplifies application development and deployment.
- Jakarta EE (formerly Java EE): A platform for developing enterprise applications, though less commonly used for new microservices architectures compared to Spring Boot.
- Quarkus: A Kubernetes-native Java framework tailored for GraalVM and OpenJDK, optimizing Java for microservices, containers, and serverless environments.
Web Servers:
- Apache Tomcat: A widely used open-source web server and servlet container for Java applications.
API Development:
- RESTful APIs: Common architectural style for designing networked applications.
- GraphQL: An API query language and runtime for fulfilling those queries with your existing data.

3. Databases

Relational Databases:
- NoSQL/SQL Database: A widely used commercial relational database.
Databases:
- MongoDB: A popular document-oriented NoSQL database.
- Cassandra: A highly scalable, distributed NoSQL database.
- Redis: An in-memory data structure store, used as a database, cache, and message broker.
Object-Relational Mapping (ORM) / Data Access:
- Hibernate: A robust ORM framework for Java.
- Spring Data JPA: Simplifies data access layer development with Spring and JPA.

4. DevOps & Cloud

Version Control:
- Git: Distributed version control system (e.g., GitHub, GitLab, Bitbucket).
Build Tools:
- Maven: A powerful project management and comprehension tool.
- Gradle: A flexible build automation tool.
Continuous Integration/Continuous Deployment (CI/CD):
- Jenkins: An open-source automation server for CI/CD pipelines.
- GitLab CI/CD: Integrated CI/CD within GitLab.
- GitHub Actions: Workflow automation directly in GitHub repositories.
Containerization & Orchestration:
- Docker: For packaging applications into portable containers.
- Kubernetes: For automating deployment, scaling, and management of containerized applications.
Cloud Platforms:Openshift
Monitoring & Logging:
- Prometheus & Grafana: For metrics collection and visualization.
- ELK Stack (Elasticsearch, Logstash, Kibana): For centralized logging.
- Splunk: Enterprise platform for collecting, searching, and analyzing machine data.

5. Other Important Technologies

Caching: Redis, Ehcache, Caffeine.
Message Brokers: Apache Kafka, RabbitMQ, ActiveMQ.
Testing: JUnit, Mockito, Selenium, Cucumber.
Security: Spring Security, OAuth2, JWT.

Education:

Bachelor’s degree/University degree or equivalent experience

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Apply Now

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full stack java / api developer jobs in toronto, on

Lead Full Stack Java Developer - Vice President

Senior Software Developer - Full Stack - Toronto

Associate Director - Lead Software Developer

Senior Quality Assurance Manager – QE Automation

SAP eCommerce Senior Developer

Sr. Software Engineer, Backend

Senior AWS Lambda (Java) Developer

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