Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment appl
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S.I. Systems Ltd. Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment appl
Summary
Six-month contract (extendable) through S.I. Systems for a financial services client in Toronto: a senior developer designs, maintains, and deploys backend payment/foreign-exchange hub applications in Go, supporting the full delivery lifecycle and mentoring a small team. Hybrid role, onsite Wed/Thu at 141 Bay Street.
Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment applications using Go (Golang) 107494-1
Our financial services client is seeking a
Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment applications using Go (Golang)
Join a Capital Markets technology team supporting a legacy Payment Hub Foreign Exchange platform critical to backend payment processing. This role focuses on hands-on Golang development, application maintenance, testing support, and production deployment across the full software delivery lifecycle. The position offers end-to-end ownership of backend development initiatives while contributing technical direction and mentorship within a smaller development team. Candidates will work closely with established payment systems and supporting business domains in a high-visibility environment.
Hybrid, 2days onsite - Wednesday Thursday
141 Bay Street, Toronto
Contract for 6 months with a possibility of extension
Must Haves
6-8 years of
software development
experience
2-3 years of hands-on
Go (Golang)
backend application development
Test-Driven Development
and comprehensive
unit test
suite development
Snyk ,
SonarQube , and static code analysis or vulnerability scanning tools
Technical leadership, mentorship, or development guidance experience within software development teams
Nice to Have
Awareness of AI-assisted or AI-driven software development tools and practices
Exposure to payment applications, foreign exchange platforms, or Capital Markets technology environments
Responsibilities
Design, develop, enhance, and maintain backend applications using Go (Golang)
Take ownership of development deliverables from requirements analysis through testing and production deployment
Understand existing application architecture, business domain, dependencies, and supporting systems
Support development, integration testing, user acceptance testing, implementation, and production release activities
Lead smaller projects or application initiatives independently
Provide technical direction, mentorship, and development guidance to team members
Use static code analysis and security scanning tools to address code quality and vulnerability concerns
Our financial services client is seeking a
Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment applications using Go (Golang)
Join a Capital Markets technology team supporting a legacy Payment Hub Foreign Exchange platform critical to backend payment processing. This role focuses on hands-on Golang development, application maintenance, testing support, and production deployment across the full software delivery lifecycle. The position offers end-to-end ownership of backend development initiatives while contributing technical direction and mentorship within a smaller development team. Candidates will work closely with established payment systems and supporting business domains in a high-visibility environment.
Hybrid, 2days onsite - Wednesday Thursday
141 Bay Street, Toronto
Contract for 6 months with a possibility of extension
Must Haves
6-8 years of
software development
experience
2-3 years of hands-on
Go (Golang)
backend application development
Test-Driven Development
and comprehensive
unit test
suite development
Snyk ,
SonarQube , and static code analysis or vulnerability scanning tools
Technical leadership, mentorship, or development guidance experience within software development teams Nice to Have
Awareness of AI-assisted or AI-driven software development tools and practices
Exposure to payment applications, foreign exchange platforms, or Capital Markets technology environments
Responsibilities
Design, develop, enhance, and maintain backend applications using Go (Golang)
Take ownership of development deliverables from requirements analysis through testing and production deployment
Understand existing application architecture, business domain, dependencies, and supporting systems
Support development, integration testing, user acceptance testing, implementation, and production release activities
Lead smaller projects or application initiatives independently
Provide technical direction, mentorship, and development guidance to team members
Use static code analysis and security scanning tools to address code quality and vulnerability concerns
Disclaimer:
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment applications using Go (Golang)
Join a Capital Markets technology team supporting a legacy Payment Hub Foreign Exchange platform critical to backend payment processing. This role focuses on hands-on Golang development, application maintenance, testing support, and production deployment across the full software delivery lifecycle. The position offers end-to-end ownership of backend development initiatives while contributing technical direction and mentorship within a smaller development team. Candidates will work closely with established payment systems and supporting business domains in a high-visibility environment.
Hybrid, 2days onsite - Wednesday Thursday
141 Bay Street, Toronto
Contract for 6 months with a possibility of extension
Must Haves
6-8 years of
software development
experience
2-3 years of hands-on
Go (Golang)
backend application development
Test-Driven Development
and comprehensive
unit test
suite development
Snyk ,
SonarQube , and static code analysis or vulnerability scanning tools
Technical leadership, mentorship, or development guidance experience within software development teams
Nice to Have
Awareness of AI-assisted or AI-driven software development tools and practices
Exposure to payment applications, foreign exchange platforms, or Capital Markets technology environments
Responsibilities
Design, develop, enhance, and maintain backend applications using Go (Golang)
Take ownership of development deliverables from requirements analysis through testing and production deployment
Understand existing application architecture, business domain, dependencies, and supporting systems
Support development, integration testing, user acceptance testing, implementation, and production release activities
Lead smaller projects or application initiatives independently
Provide technical direction, mentorship, and development guidance to team members
Use static code analysis and security scanning tools to address code quality and vulnerability concerns
Our financial services client is seeking a
Senior Applications Developer (6-8 years of experience) to develop and maintain backend payment applications using Go (Golang)
Join a Capital Markets technology team supporting a legacy Payment Hub Foreign Exchange platform critical to backend payment processing. This role focuses on hands-on Golang development, application maintenance, testing support, and production deployment across the full software delivery lifecycle. The position offers end-to-end ownership of backend development initiatives while contributing technical direction and mentorship within a smaller development team. Candidates will work closely with established payment systems and supporting business domains in a high-visibility environment.
Hybrid, 2days onsite - Wednesday Thursday
141 Bay Street, Toronto
Contract for 6 months with a possibility of extension
Must Haves
6-8 years of
software development
experience
2-3 years of hands-on
Go (Golang)
backend application development
Test-Driven Development
and comprehensive
unit test
suite development
Snyk ,
SonarQube , and static code analysis or vulnerability scanning tools
Technical leadership, mentorship, or development guidance experience within software development teams Nice to Have
Awareness of AI-assisted or AI-driven software development tools and practices
Exposure to payment applications, foreign exchange platforms, or Capital Markets technology environments
Responsibilities
Design, develop, enhance, and maintain backend applications using Go (Golang)
Take ownership of development deliverables from requirements analysis through testing and production deployment
Understand existing application architecture, business domain, dependencies, and supporting systems
Support development, integration testing, user acceptance testing, implementation, and production release activities
Lead smaller projects or application initiatives independently
Provide technical direction, mentorship, and development guidance to team members
Use static code analysis and security scanning tools to address code quality and vulnerability concerns
Disclaimer:
AI may be used in evaluating candidates.
This posting is for an existing vacancy.