Mississauga, ON, CA, offers a dynamic job market with opportunities across various sectors. As a major city in the Greater Toronto Area, it hosts numerous multinational corporations and thriving industries. Job seekers can explore roles in 14,705 Jobs in Mississauga
Sr. Java Full Stack Developer (Payments)
M5B 2L7 Toronto, Ontario
CGI
Posted today
Job Viewed
Job Description
Category: Software Development/ Engineering
Main location: Canada, Ontario, Toronto
Position ID: J0625-0418
Employment Type: Full Time
Position Description:
This role is hybrid and requires you to be at our client office downtown at a minimum 3 days per week - subject to change at any time.
Your future duties and responsibilities:
• Participate in all aspects of agile software development, including design, implementation, dev testing and deployment.
• Architect and provide guidance on building end-to-end systems optimized for speed and scale.
• Work primarily in Java, Spring Boot and React
• Engage with UX designer and collaborate with leading back-end engineers to create reliable APIs.
• Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities.
Required qualifications to be successful in this role:
Must-Have Skills:
7-10 years of experience as a Full Stack Developer with expertise in:
Front-end Development: Proficiency in Angular/React (or similar frameworks) and Python for building dynamic, responsive user interfaces.
Back-end Development: Strong experience with Java (Spring Boot) and Python for developing scalable, high-performance services.
Proficiency in building and consuming REST APIs and working with microservices architectures.
Strong understanding of RDBMS (e.g., Oracle, MSSQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, ELK).
Must Have: Payments Domain expertise in SWIFT Payments and ISO20022 standards.
Experience with messaging platforms like Solace, MQ, or similar technologies.
Hands-on experience with DevOps practices, including CI/CD pipelines and infrastructure automation tools (e.g., Ansible scripts, HELM charts).
Proficiency in containerization and orchestration tools (e.g., Docker, Kubernetes, OpenShift).
Strong debugging and problem-solving skills, with the ability to work independently on complex tasks.
Eagerness to share knowledge and mentor junior developers to promote best practices.
Experience building and supporting transactional and financial systems.
Nice-to-Have Skills:
Front-end experience with Python frameworks (e.g., Flask or Django) for lightweight web development.
Knowledge of cloud platforms (e.g., AWS, Azure, GCP) and distributed systems.
Familiarity with Agile methodologies and tools like JIRA and Confluence.
Experience integrating security protocols such as JWT and OAuth in application development.
Exposure to event-driven architectures and distributed systems.
#LI-MC1
#INDCGIC
Skills:
Application Design
Application Development
Financial Services
Java
JavaScript
Object Oriented Programming
Spring Boot
Systems Analysis
Technical Analysis
Waterfall Model
Web Application Development
What you can expect from us:
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
At CGI, we recognize the richness that diversity brings. We strive to create a work culture where all belong and collaborate with clients in building more inclusive communities. As an equal-opportunity employer, we want to empower all our members to succeed and grow. If you require an accommodation at any point during the recruitment process, please let us know. We will be happy to assist.
Come join our team—one of the largest IT and business consulting services firms in the world.
Main location: Canada, Ontario, Toronto
Position ID: J0625-0418
Employment Type: Full Time
Position Description:
This role is hybrid and requires you to be at our client office downtown at a minimum 3 days per week - subject to change at any time.
Your future duties and responsibilities:
• Participate in all aspects of agile software development, including design, implementation, dev testing and deployment.
• Architect and provide guidance on building end-to-end systems optimized for speed and scale.
• Work primarily in Java, Spring Boot and React
• Engage with UX designer and collaborate with leading back-end engineers to create reliable APIs.
• Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities.
Required qualifications to be successful in this role:
Must-Have Skills:
7-10 years of experience as a Full Stack Developer with expertise in:
Front-end Development: Proficiency in Angular/React (or similar frameworks) and Python for building dynamic, responsive user interfaces.
Back-end Development: Strong experience with Java (Spring Boot) and Python for developing scalable, high-performance services.
Proficiency in building and consuming REST APIs and working with microservices architectures.
Strong understanding of RDBMS (e.g., Oracle, MSSQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, ELK).
Must Have: Payments Domain expertise in SWIFT Payments and ISO20022 standards.
Experience with messaging platforms like Solace, MQ, or similar technologies.
Hands-on experience with DevOps practices, including CI/CD pipelines and infrastructure automation tools (e.g., Ansible scripts, HELM charts).
Proficiency in containerization and orchestration tools (e.g., Docker, Kubernetes, OpenShift).
Strong debugging and problem-solving skills, with the ability to work independently on complex tasks.
Eagerness to share knowledge and mentor junior developers to promote best practices.
Experience building and supporting transactional and financial systems.
Nice-to-Have Skills:
Front-end experience with Python frameworks (e.g., Flask or Django) for lightweight web development.
Knowledge of cloud platforms (e.g., AWS, Azure, GCP) and distributed systems.
Familiarity with Agile methodologies and tools like JIRA and Confluence.
Experience integrating security protocols such as JWT and OAuth in application development.
Exposure to event-driven architectures and distributed systems.
#LI-MC1
#INDCGIC
Skills:
Application Design
Application Development
Financial Services
Java
JavaScript
Object Oriented Programming
Spring Boot
Systems Analysis
Technical Analysis
Waterfall Model
Web Application Development
What you can expect from us:
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
At CGI, we recognize the richness that diversity brings. We strive to create a work culture where all belong and collaborate with clients in building more inclusive communities. As an equal-opportunity employer, we want to empower all our members to succeed and grow. If you require an accommodation at any point during the recruitment process, please let us know. We will be happy to assist.
Come join our team—one of the largest IT and business consulting services firms in the world.
This advertiser has chosen not to accept applicants from your region.
0
Writer/Journalist Internship Part-Time in Worldwide - Remote Worldwide
Mississauga, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
1
Writer/Journalist Internship Part-Time in Worldwide - Remote Worldwide
Oakville, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
2
Writer/Journalist Internship Part-Time in Worldwide - Remote Worldwide
Toronto, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
3
Writer/Journalist Internship Part-Time in Worldwide - Remote Worldwide
Brampton, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
4
Writer/Journalist Internship Part-Time in Worldwide - Remote Worldwide
Etobicoke, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
br>The Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty.
With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries.
Writer/Journalist Internship: The role is focused on content creation for BORGEN Magazine or The Borgen Project Blog. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks.
.
Responsibilities will include:
Article writing.
Researching topics.
Assisting with The Borgen Project's advocacy efforts.
Assisting with fundraising. Create a personal fundraising campaign and meet targets.
Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background. < r>
Details: This is an unpaid internship, although college credit is available.
Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
5
Political Affairs Internship Part-Time in Worldwide - Remote Worldwide - Political Team
Toronto, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
he Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty. With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries. Political Affairs Internship: The role focuses on making poverty a focus of U.S., Canadian and U.K. foreign policy. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks. Responsibilities will include: Leading public and political outreach in your state and district. Meeting with members of Congress/Government in your State/District/Constituency. Representing The Borgen Project at various business, political and community events. Assisting with fundraising. Create a personal fundraising campaign and meet targets. Mobilizing individuals to contact their members of Government in support of key poverty-reduction legislation. Speaking to groups, classes and organizations. Writing letters of support for key programs to political leaders, media and other groups. Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background.
b>Details: This is an unpaid internship, although college credit is available. Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
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6
Political Affairs Internship Part-Time in Worldwide - Remote Worldwide - Political Team
Mississauga, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
he Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty. With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries. Political Affairs Internship: The role focuses on making poverty a focus of U.S., Canadian and U.K. foreign policy. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks. Responsibilities will include: Leading public and political outreach in your state and district. Meeting with members of Congress/Government in your State/District/Constituency. Representing The Borgen Project at various business, political and community events. Assisting with fundraising. Create a personal fundraising campaign and meet targets. Mobilizing individuals to contact their members of Government in support of key poverty-reduction legislation. Speaking to groups, classes and organizations. Writing letters of support for key programs to political leaders, media and other groups. Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background.
b>Details: This is an unpaid internship, although college credit is available. Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
7
Political Affairs Internship Part-Time in Worldwide - Remote Worldwide - Political Team
Oakville, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
he Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty. With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries. Political Affairs Internship: The role focuses on making poverty a focus of U.S., Canadian and U.K. foreign policy. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks. Responsibilities will include: Leading public and political outreach in your state and district. Meeting with members of Congress/Government in your State/District/Constituency. Representing The Borgen Project at various business, political and community events. Assisting with fundraising. Create a personal fundraising campaign and meet targets. Mobilizing individuals to contact their members of Government in support of key poverty-reduction legislation. Speaking to groups, classes and organizations. Writing letters of support for key programs to political leaders, media and other groups. Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background.
b>Details: This is an unpaid internship, although college credit is available. Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
8
Political Affairs Internship Part-Time in Worldwide - Remote Worldwide - Political Team
Brampton, Ontario
Borgen Project
Posted 9 days ago
Job Viewed
Job Description
Are you passionate about making a difference in the world? Look no further!
he Borgen Project is an international organization that works at the political level to improve living conditions for people impacted by war, famine and poverty. With 20 years of experience in the advocacy space, The Borgen Project has worked to support the passage of numerous bills that have benefitted close to 500 million people in developing countries. Political Affairs Internship: The role focuses on making poverty a focus of U.S., Canadian and U.K. foreign policy. This is a part-time 12-hours per week, 12 week, unpaid remote internship. If your availability is limited, you can work ahead and complete the program in fewer weeks. Responsibilities will include: Leading public and political outreach in your state and district. Meeting with members of Congress/Government in your State/District/Constituency. Representing The Borgen Project at various business, political and community events. Assisting with fundraising. Create a personal fundraising campaign and meet targets. Mobilizing individuals to contact their members of Government in support of key poverty-reduction legislation. Speaking to groups, classes and organizations. Writing letters of support for key programs to political leaders, media and other groups. Experience: No prior experience is necessary, we’re looking for people who are passionate about fighting poverty and righting wrongs, regardless of your GPAs/background.
b>Details: This is an unpaid internship, although college credit is available. Start Date: New programs begin every month, you choose the month you wish to start.
This advertiser has chosen not to accept applicants from your region.
9