Senior Applications Developer

Senior Applications Developer – Golang | Capital Markets

LOB: Capital Markets – ASG

Location: Toronto

Work Model: Hybrid – Wednesday & Thursday onsite

Contract: 6 months, with potential for extension or FTE conversion

Start Date: October 26, 2026

Hours: 37.5 hours/week, 9:00 AM–5:00 PM

Interview Process: 2 rounds

Team Size: 10–15

Pay Rates:

• T4 - $61.36
• INC - $73.04

What You'll Do

• Design, develop, enhance, and maintain backend applications using Go/Golang.
• Own development deliverables from requirements analysis through testing and production deployment.
• Learn and work within an established application architecture, business domain, dependencies, and supporting systems.
• Support integration testing, UAT, implementation, and production releases.
• Independently lead smaller projects or application initiatives.
• Provide technical direction, mentorship, and development guidance to team members.
• Build and maintain comprehensive unit test suites using Test-Driven Development (TDD) practices.
• Apply clean-code principles and software development best practices.
• Help establish consistent coding, testing, and quality standards across the team.
• Use Snyk, SonarQube, and similar tools to identify and address code quality, security, and vulnerability concerns.
• Collaborate with development, testing, security, and delivery teams.
• Stay engaged with emerging AI-assisted and AI-driven software development practices.

What We're Looking For

Must Have:

• 6–8 years of overall software development experience.
• 2–3+ years of hands-on Go/Golang development experience.
• Strong backend application development experience.
• Experience providing technical direction, mentorship, or development guidance.
• Strong knowledge of Test-Driven Development (TDD).
• Experience developing and maintaining comprehensive unit test suites.
• Experience with static code analysis and security/vulnerability scanning tools, specifically Snyk and SonarQube.

Nice to Have:

• Interest or experience with AI-assisted/AI-driven development tools and practices.
• Experience with payment applications, foreign exchange platforms, or Capital Markets technology.

What Makes This Role Interesting

• End-to-end ownership: Take your work from analysis and development through testing and production.
• Hands-on + leadership: Continue coding while providing technical direction and mentorship.
• Independent ownership: Lead smaller projects and initiatives within a Capital Markets environment.
• Complex technology: Gain exposure to an established payment and FX platform and its supporting business domain.
• Full delivery lifecycle: Work across development, testing, implementation, and production deployment.
• Technical influence: Help improve coding, testing, quality, and development standards across the team.
• Capital Markets exposure: Work within a team supporting critical payment technology.