Job Description:
Responsibilities

Lead the design and implementation of the current platform architecture — from legacy systems to modern stacks

Build and integrate AI-powered features into the core product

Collaborate directly with leadership on architecture decisions, technical priorities, and product roadmap

Set code standards, review practices, and engineering culture on a small team

Own integrations with external APIs and third-party systems

Maintain business continuity during migration phases — zero downtime wherever possible

Must-Haves

Full-stack proficiency: strong backend (Node.js, Python, or equivalent) AND frontend (React or Vue) — required

Demonstrable experience replatforming or migrating legacy systems to modern architectures

AI-first workflow: regular use of AI coding tools (Copilot, Cursor, Claude, etc.) in day-to-day development

REST API design, relational database design, and SQL

Git, CI/CD pipelines, and cloud environments (AWS or Azure)

Ability to operate with genuine ownership in a lean, low-process team

Nice to Have

Experience with the hospitality industry or B2B SaaS products

Microservices or event-driven architecture experience

Familiarity with observability tooling: Datadog, Sentry, or equivalent

Hands-on experience with LLM APIs (OpenAI, Anthropic, etc.) or AI agents in production

Technical English sufficient for documentation and corporate team communication

Who This Is NOT For

Junior or early-career developers — this role requires genuine mid-senior depth

Specialists: pure frontend engineers,



pure backend engineers, or pure data engineers

Candidates who haven’t shipped production code recently or who rely on heavy team scaffolding

Anyone who views AI coding tools as a threat rather than a multiplier

Business Unit:
Avance

Scheduled Weekly Hours:
40

Number of Openings Available:
1

Worker Type:
Regular

More About Jonas Software:
Jonas Software is a leading provider of enterprise management software solutions, serving a wide range of vertical markets including hospitality, healthcare, construction, education, personal care, fitness, leisure, moving and legal services, to name a few. Within these markets, Jonas is comprised of over 65 distinct brands, each a respected leader in its domain.

Jonas’ vision is to be the branded global leader across these verticals and to be recognized by customers and industry stakeholders as the trusted provider of “Software for Life.” We are committed to technology, product innovation, quality, and exceptional customer service.

Jonas Software supports over 60,000 customers in more than 30 countries. We employ over 6,000 skilled professionals, including industry experts and technology specialists. Across our broader network, we support a global workforce of more than 30,000 employees.

Headquartered in Canada, Jonas Software has a global footprint with offices around the world. We’re a 100% owned subsidiary of Constellation Software Inc., based in Toronto, publicly listed on the TSX (CSU.TO), and a member of the S&P;/TSX 60 Index.

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