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.
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