Senior Software Engineer, Payments Engine & Platform

Helcim Inc.; Calgary; On-site; CAD 110,000 - 170,000; Full time

Job summary

Helcim is seeking a Senior Software Engineer to help develop the next generation of payments technology. You will build and deploy high‑quality software, mentor teammates, and help ensure we ship reliable, scalable systems in a fast‑paced environment.

You’ll design and implement backend services in PHP/Laravel, explore Go where it fits, and contribute to CI/CD pipelines with GitLab. The role involves working with AWS/GCP, BigQuery data workflows, and observability in Datadog to improve

Qualifications

• 6+ years of professional software development experience.
• Bachelor's degree or equivalent in CS or related field.
• Strong PHP, Laravel, and front-end JavaScript experience.
• Experience designing backend services and scalable APIs.
• Experience with Docker/Kubernetes.

Responsibilities

• Designs and maintains scalable, high-performance APIs to support internal and external services.
• Builds systems with event-driven architecture using PHP and Go.
• Coaches and mentors junior developers.
• Collaborate with Data/Product/DevOps/Stakeholders/Design.
• Build CI/CD pipelines with GitLab.

Skills

PHP

Laravel

JavaScript

System design

SQL optimization

BigQuery

Golang

Docker

Kubernetes

Education

Bachelor's degree or equivalent

Tools

GitLab

Datadog

Job description

Helcim is seeking a Senior Software Engineer to help develop the next generation of payments technology. You will build and deploy high‑quality software, mentor teammates, and help ensure we ship reliable, scalable systems in a fast‑paced environment.

You’ll design and implement backend services in PHP/Laravel, explore Go where it fits, and contribute to CI/CD pipelines with GitLab. The role involves working with AWS/GCP, BigQuery data workflows, and observability in Datadog to improve