Senior Software Engineer (AI Integration & Modernization)

Gary Jonas Computing Ltd.; Markham; On-site; CAD 120,000 - 130,000; Full time

Job summary

Jonas Software in Canada seeks a Senior Software Engineer to own AI capabilities across a broad software portfolio. You will work with product and engineering leaders to translate challenges into robust AI-driven solutions, moving from prototype to production with scalable architectures.

The role emphasizes hands-on development, high autonomy, and shaping reusable patterns for enterprise-wide AI adoption, guiding a growing AI strategy at Jonas.

Qualifications

• 5+ years building and operating production software systems.
• Experience designing and integrating APIs, working with databases, and developing distributed systems.
• Exposure to AI/LLM-based systems such as prompt orchestration, retrieval-augmented workflows, embeddings, or similar production use cases.
• Ability to work across the full stack: backend services, front-end components, cloud infrastructure, and AI integrations.
• Clear communication skills and comfort working directly with both technical and non-technical stakeholders.
• Strong ownership mindset with the ability to deliver practical solutions quickly and iterate based on feedback.
• Interest in working across varied technical environments, from modern cloud systems to legacy applications.
• Comfort and experience leveraging AI coding agents in SDLC across both greenfield and brownfield contexts.

Responsibilities

• Lead discovery with business units to understand workflows and translate needs into technical designs.
• Design and build AI-enabled systems and full-stack components including APIs, data pipelines, and user interfaces.
• Deliver end-to-end implementations from prototype to production with measurable business impact.
• Implement modernization upgrades to enable AI integration across legacy and modern platforms.
• Diagnose, evaluate, and optimize AI features for performance and cost efficiency.
• Integrate with existing BU systems including SaaS, on-prem, ERPs, and CRMs.
• Turn one-off solutions into reusable components and patterns.
• Develop playbooks and provide training to enable Business Units to own AI solutions.

Skills

APIs design & integration

Distributed systems

AI/LLM integration

Full stack development

Cloud & hybrid environments

Cross-functional communication

Tools

AWS/GCP/Azure

APIs

Job description

Job Description

Senior Software Engineer (AI Integration & Modernization) Jonas Software

The Company Jonas Software is the leading provider of enterprise management software solutions to over 40 different vertical markets. Within these vertical markets, Jonas has acquired over 185 unique and innovative companies. Jonas’ vision is to be the branded global leader across the 40+ vertical markets and to be recognized by customers and respective industry stakeholders as the trusted provider of ‘Software for Life’ and as an ambassador for technology, product innovation, quality, and customer service. Jonas Software is the valued technology partner of over 40,000 customers worldwide in more than 30 countries. Jonas employs over 6,000 skilled individuals consisting of a cross-section of industry experts and technology professionals. Jonas is headquartered in Canada and also operates offices throughout North America, the United Kingdom, Europe, Australia, South America and Africa. Jonas is a 100% owned subsidiary of Constellation Software Inc., headquartered in Toronto and traded on the TSX (CSU.TO).

Compensation & Role Details

Expected Salary Range: The expected base salary range for this role is between $120,000 to $130,000 CAD , depending on experience and qualifications Role Type: New Role AI Disclosure: AI may be used during the hiring process.

POSITION

We are hiring a Senior Software Engineer to own the design and delivery of production AI capabilities across a broad portfolio of software businesses. You will work directly with product and engineering leaders, quickly understand their challenges, and build solutions that deliver real, measurable impact. This is a hands-on, high-autonomy role where you will move across diverse technical environments, bring modern capabilities into legacy and cloud systems, and turn complex problems into reliable, scalable software. You will also shape reusable patterns and technical approaches that will guide how AI is adopted across the organization. This role is designed for someone who wants true ownership, thrives on variety, and is motivated by solving hard problems that matter. If you are looking for the rare opportunity to influence direction, build high-impact systems, and become a foundational technical leader in Jonas’s emerging AI strategy, this role offers exactly that.

JOB RESPONSIBILITIES

• Lead discovery with business units to understand workflows, identify high-value opportunities, and translate needs into clear technical solution designs.
• Design and build AI-enabled systems and full-stack components including APIs, integrations, data pipelines, retrieval systems, and user-facing interfaces.
• Deliver end-to-end implementations from prototype through production deployment, ensuring successful rollout, user adoption, and measurable business impact.
• Implement modernization upgrades such as API layers, authentication improvements, async processing, and cloud services to enable AI integration across diverse legacy and modern platforms.
• Diagnose, evaluate, and optimize AI features and supporting systems by monitoring performance, accuracy, latency, reliability, and cost efficiency.
• Build solutions that integrate deeply with existing BU systems including SaaS products, on-prem platforms, ERPs, and CRMs, resolving complex issues across back-end services, data flows, and LLM operations.
• Turn one-off solutions into reusable components, templates, and patterns that make it easier to roll out AI capabilities across additional business units.
• Help develop playbooks and provide training to enable Business Units to take ownership of AI solutions before moving on to new projects.

JOB QUALIFICATIONS

• 5+ years of experience building and operating production software systems.
• Experience designing and integrating APIs, working with databases, and developing distributed systems.
• Exposure to AI/LLM-based systems such as prompt orchestration, retrieval-augmented workflows, embeddings, or similar production use cases.
• Ability to work across the full stack: backend services, front-end components, cloud infrastructure, and AI integrations.
• Clear communication skills and comfort working directly with both technical and non-technical stakeholders.
• Strong ownership mindset with the ability to deliver practical solutions quickly and iterate based on feedback.
• Interest in working across varied technical environments, from modern cloud systems to legacy applications.
• Comfort and experience leveraging AI coding agents in SDLC across both greenfield and brownfield contexts.

Business Unit

Business Unit: Corporate Canada Scheduled Weekly Hours: 37.5 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. At Jonas we have long realized that our greatest asset is our employee base. As such we strive to provide our team with a fantastic working environment and an enriching career, which we know will translate into world class service to our valued clients. This allows Jonas Software to maintain and extend our lead as the premier software and services provider in each of our markets. If being part of a growing organization that moves at a fast pace and constantly strives to get better each and every day is what you are looking for, then we want to hear from you. Everyone has heard the sports analogy “to be the best, you have to beat the best”; well at Jonas Software we have tweaked that slightly to fit vertical market software. We believe to be the best you have to hire and retain the best!!! Jonas Software is an Equal Opportunity Employer. If you need accommodation for a disability at any stage of the application process or want more information on our accommodation policies, contact recruitment at [e-mail] or 905-470-4600.