Toronto, On Full stack java / api developer Jobs – 105 Openings This Week

Full Stack Java Developer – Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
Senior Software Developer - Full Stack - Toronto
Randstad —Toronto, ON
- $551.64–$596.33 a day
- Temporary
- Hybrid work
- Databases
- AWS
Quick apply
4d
Senior Software Developer - Toronto
Randstad —Toronto, ON
- $554.83–$590.41 a month
- Temporary
- Software troubleshooting
- SQL
- Presentation skills
Quick apply
3d
Senior React Native Developer - Mississauga
Randstad —Mississauga, ON
- $74.83 an hour
- Temporary
- Hybrid work
- Azure
- AWS
- Mentoring
Quick apply
3d
Senior Technology Architect - Toronto
Randstad —Toronto, ON
- $704.19–$737.20 a month
- Temporary
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
Quick apply
4d
Full Stack Developer
Kumaran Systems —Toronto, ON
- Full-time
- SQL
- Analysis skills
- Machine learning
2h
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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Full Stack Java Developer – Assistant Vice President
Citi —Mississauga, ON
Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. AWS/GCP/Azure certification is a plus.
$94,300–$141,500 a year

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Full Stack Developer
Kumaran Systems —Toronto, ON
With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI…
2h
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. Pay: From $80,000.00 per year.
From $80,000 a year
Quick apply

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full stack java / api developer jobs near toronto, on

Full Stack Java Developer – Assistant Vice President

Citi -
Mississauga, ON

Apply Now

Job details

Full-time
$94,300–$141,500 a year

Qualifications

Spring Boot
Software engineering
Quality assurance test automation development
Automated build pipelines
Azure
Computer Science
CSS
Continuous Delivery (CD) implementation
Container orchestration
Software troubleshooting
React
RESTful API
Engineering
System design
Microsoft SQL Server
NoSQL
Google Cloud Platform
MongoDB
SQL
OOP
Event-driven architecture
AWS
Docker
Bachelor's
Decision making
Redis
RabbitMQ
Back-end development
JPA
Mentoring
Angular
Scrum
GitHub
React.js
Prometheus
Grafana
Kafka
Vue.js
Cross-functional collaboration
gRPC
Software development or architecture experience
HTML
Cross-functional communication
Hibernate
Pipeline
High availability
Design patterns

Full job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Job Summary

We are seeking a highly skilled and motivated Senior Full Stack Java Developer to join our dynamic engineering team. In this role, you will be responsible for designing, developing, and maintaining both front-end and back-end components of our web applications. The ideal candidate will have extensive experience with the Java ecosystem, modern front-end frameworks, and cloud-native technologies. You will play a critical part in the entire software development lifecycle, from concept and design to deployment and support, while collaborating with cross-functional teams to deliver high-quality, scalable, and robust software solutions.

Key Responsibilities

Full Stack Development: Design, code, test, and deploy high-quality web applications, services, and APIs using Java (Spring Boot) for the back-end and modern JavaScript frameworks (e.g., Angular, React, or Vue.js) for the front-end.
System Architecture: Participate in architectural design and decision-making, advocating for best practices, scalability, and performance. Contribute to the evolution of our microservices architecture.
API Development: Build and maintain secure, scalable, and well-documented RESTful APIs and/or gRPC services to support various clients and internal systems.
Database Management: Design database schemas, write efficient SQL/NoSQL queries, and manage data persistence layers using technologies like MongoDB, or Oracle.
Cloud & DevOps: Utilize cloud platforms (AWS, GCP, or Azure) for deploying and managing applications. Implement and maintain CI/CD pipelines using tools like Jenkins, Harness, Docker, and Kubernetes to automate testing and deployment.
Code Quality & Testing: Write clean, maintainable, and well-tested code. Develop comprehensive unit, integration, and end-to-end tests to ensure software quality and reliability.
Collaboration & Mentorship: Work closely with product managers, UX designers, and other engineers to translate business requirements into technical solutions. Mentor junior developers through code reviews, pair programming, and knowledge sharing.
Troubleshooting & Support: Diagnose and resolve complex technical issues in production and non-production environments, ensuring high availability and performance of our systems.

Required Skills and Qualifications

Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Experience: 5+ years of professional experience in full-stack software development.
Back-End Proficiency:
- Strong proficiency in Java (Java 17 or later) and extensive experience with the Spring ecosystem (Spring Boot, Spring Cloud, Spring Security).
- Solid experience with ORM frameworks like Hibernate/JPA.
- Proven experience in building and consuming RESTful APIs.
Front-End Proficiency:
- Expertise in modern JavaScript frameworks such as Angular.
- Strong command of HTML5, CSS3.
Database Skills: Proficient in both SQL (e.g., MS SQL) and NoSQL (e.g., MongoDB, Redis) databases.
DevOps & Cloud:
- Hands-on experience with CI/CD tools (Jenkins, etc.).
- Experience with containerization technologies (Docker) and orchestration (Kubernetes).
- Familiarity with at least one major cloud provider (AWS, GCP, Azure).
Software Practices: Strong understanding of object-oriented programming, design patterns, and SOLID principles. Experience with Agile/Scrum methodologies.

Preferred Qualifications

Experience with event-driven architecture and messaging systems like Apache Kafka or RabbitMQ.
Experience with performance monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack).
AWS/GCP/Azure certification is a plus.
Contributions to open-source projects or a strong GitHub profile.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

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.

Apply Now

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Discover your future at Citi

Job Overview

Job Summary

Key Responsibilities

Full Stack Development: Design, code, test, and deploy high-quality web applications, services, and APIs using Java (Spring Boot) for the back-end and modern JavaScript frameworks (e.g., Angular, React, or Vue.js) for the front-end.

System Architecture: Participate in architectural design and decision-making, advocating for best practices, scalability, and performance. Contribute to the evolution of our microservices architecture.

API Development: Build and maintain secure, scalable, and well-documented RESTful APIs and/or gRPC services to support various clients and internal systems.

Database Management: Design database schemas, write efficient SQL/NoSQL queries, and manage data persistence layers using technologies like MongoDB, or Oracle.

Cloud & DevOps: Utilize cloud platforms (AWS, GCP, or Azure) for deploying and managing applications. Implement and maintain CI/CD pipelines using tools like Jenkins, Harness, Docker, and Kubernetes to automate testing and deployment.

Code Quality & Testing: Write clean, maintainable, and well-tested code. Develop comprehensive unit, integration, and end-to-end tests to ensure software quality and reliability.

Collaboration & Mentorship: Work closely with product managers, UX designers, and other engineers to translate business requirements into technical solutions. Mentor junior developers through code reviews, pair programming, and knowledge sharing.

Troubleshooting & Support: Diagnose and resolve complex technical issues in production and non-production environments, ensuring high availability and performance of our systems.

Required Skills and Qualifications

Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience: 5+ years of professional experience in full-stack software development.

Back-End Proficiency:

Strong proficiency in Java (Java 17 or later) and extensive experience with the Spring ecosystem (Spring Boot, Spring Cloud, Spring Security).

Solid experience with ORM frameworks like Hibernate/JPA.

Proven experience in building and consuming RESTful APIs.

Front-End Proficiency:

Expertise in modern JavaScript frameworks such as Angular.

Strong command of HTML5, CSS3.

Database Skills: Proficient in both SQL (e.g., MS SQL) and NoSQL (e.g., MongoDB, Redis) databases.

DevOps & Cloud:

Hands-on experience with CI/CD tools (Jenkins, etc.).

Experience with containerization technologies (Docker) and orchestration (Kubernetes).

Familiarity with at least one major cloud provider (AWS, GCP, Azure).

Software Practices: Strong understanding of object-oriented programming, design patterns, and SOLID principles. Experience with Agile/Scrum methodologies.

Preferred Qualifications

Experience with event-driven architecture and messaging systems like Apache Kafka or RabbitMQ.

Experience with performance monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack).

AWS/GCP/Azure certification is a plus.

Contributions to open-source projects or a strong GitHub profile.