Senior Software Engineer – Go, US Payments

Form3

Senior Go Engineer building Zelle and Fedwire payment capabilities for Form3’s cloud-native payments platform. Designing resilient, regulated, high-volume payment infrastructure from Ontario, Canada.

Posted 8/13/2026contractRemote • 🇨🇦 CanadaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing US payments gateway functionality using Go, with a focus on distributed systems, performance, and operational readiness. Proficient in collaborating across teams to ensure alignment with engineering standards and critical payments infrastructure.

Highest-signal resume keywords

Go ProgrammingDistributed Systems DesignTest AutomationCI/CD PipelinesCloud and Containerization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Go ProgrammingDistributed Systems DesignTest AutomationCI/CD PipelinesPerformance OptimizationError HandlingValidation TechniquesOperational ReadinessMonitoring and ObservabilityClean Code Practices

Soft Skills

Strong CommunicationCollaborationKnowledge Sharing

Tools & Technologies

Cloud TechnologiesContainerization TechnologiesTelemetry ToolsMonitoring ToolsOperational Procedures

Industry Keywords

Payments GatewayCritical SoftwareDisaster RecoveryFailure-Mode TestingForm3 Engineering Standards

Tech Stack

Tools & technologies

CloudDistributed SystemsGo

About the role

Key responsibilities & impact

Design and implement new US payments gateway functionality in Go, including payment flows, scheme-specific behaviours, error handling, validation, operational requirements and automated integration tests
Work collaboratively with Product, Engineering and other functions to refine requirements and validate implementation choices
Contribute to technical design proposals, implementation plans and problem-solving within the Form3 platform architecture
Support resilience, performance, disaster recovery, failure-mode testing and operational readiness
Establish and improve monitoring, alerting, telemetry and observability from development through production
Support release preparation, final validation, production deployment and post-launch issue resolution
Produce and maintain design notes, testing documentation, deployment guidance, operational procedures and runbooks
Ensure work aligns with Form3 engineering standards, security expectations and critical payments infrastructure standards

Requirements

What you’ll need

Deep understanding of designing and building distributed systems
Experience working on complex, high-performance and robust critical software
Familiarity with cloud and containerisation technologies
Familiarity with test automation tools and CI/CD pipelines
Interest in owning projects end-to-end and supporting production launches
Appreciation of clean code and software engineering best practices
Experience with Go and a “right tool for the job” mentality
Strong communication skills and willingness to share knowledge and collaborate
Ability to work as a contractor from Canada (Ontario only)

Benefits

Comp & perks

100% remote work after the first day
Equipment provided for remote work
Inclusive employer committed to diversity, open-mindedness and curiosity
Reasonable adjustments and accessible job adverts/interview accommodations available
Guaranteed interview for neurodiverse and physically disabled applicants who meet the minimum criteria