Jonas Software UK

Jonas Software UK

Senior Backend Engineer

Remote Canada (ON), CA · Senior

Sponsorship not specified$130k-$170kDetected 26 days ago
C#.NETPostgreSQLAWSDockerTerraformCI/CDDevOpsRabbitMQAgentic AIMentoring

About the role

  • This is a rare opportunity to help shape the technical foundation: you'll help set technical direction, establish engineering standards, and ship foundational capabilities that will shape the product for years.
  • You'll work in a cloud-native environment leveraging AWS, PostgreSQL, RabbitMQ, and Docker, contributing to a platform built for scale, reliability, and rapid iteration.

Responsibilities

  • Own major components of a new SaaS platform from design through production
  • Build event-sourced, CQRS-based services in C#/.NET using DDD principles
  • Design clean domain models, message contracts, and integration patterns using RabbitMQ
  • Deliver cloud-ready solutions using Docker and AWS (deployment, observability, reliability)
  • Partner with product and engineering leaders to define architecture, standards, and delivery practices
  • Senior-level experience building production systems with C#/.NET
  • Strong working knowledge of Domain-Driven Design (DDD)
  • Jonas Software supports over 60,000 customers in more than 30 countries.
  • Across our broader network, we support a global workforce of more than 30,000 employees.

Requirements

  • AI-first mentality with practical experience using AI tools to accelerate development
  • Hands-on experience with Event Sourcing and CQRS in real-world systems
  • Experience with Vertical Slice architecture (or similar modular service boundaries)
  • Solid experience with PostgreSQL
  • Experience with asynchronous messaging and integration patterns, ideally RabbitMQ
  • Experience containerizing services with Docker
  • Familiarity with agentic AI concepts (autonomous workflows, tool-using agents, orchestration, evaluation/guardrails) and excitement to apply them in day-to-day engineering

Nice to have

  • Experience with MartenDB
  • Experience with Wolverine
  • Experience designing multi-tenant SaaS systems (auth, billing, isolation, scaling, observability)
  • Familiarity with modern DevOps/IaC practices (e.g., Terraform/CDK), CI/CD, and distributed tracing
  • Computrition - Canada
  • Scheduled Weekly Hours:
  • Number of Openings Available:
  • More About Jonas Software:

Skills

  • This is a tremendous opportunity to be fully supported in an AI first approach.

Compensation

  • $130,000 - $170,000 CAD, depending on experience and qualifications
  • Role Type: New Role
  • AI Disclosure: AI is used to screen, assess, or select applicants for this role
  • We're a software company at the start of building a brand-new, highly visible SaaS application.
  • This is a rare opportunity to help shape the technical foundation: you'll help set technical direction, establish engineering standards, and ship foundational capabilities that will shape the product for years.
  • We're looking for a motivated senior engineer who thinks and builds with an AI-first mindset -someone excited about agentic AI workflows, automation, and using modern AI tooling to accelerate delivery without compromising quality.

Company info

  • AI is used to screen, assess, or select applicants for this role
  • We're a software company at the start of building a brand-new, highly visible SaaS application.

This listing is sourced directly from Jonas Software UK's careers page and normalized into a canonical job model.