ResponsibilitiesLead the design and implementation of the new platform architecture — from legacy systems to modern stacksBuild and integrate AI-powered features into the core productCollaborate directly with leadership on architecture decisions, technical priorities, and product roadmapSet code standards, review practices, and engineering culture on a small teamOwn integrations with external APIs and third‑party systemsMaintain business continuity during migration phases — zero downtime wherever possibleMust-HavesFull-stack proficiency: strong backend (Node.js, Python, or equivalent) AND frontend (React or Vue) — requiredDemonstrable experience replatforming or migrating legacy systems to modern architecturesAI-first workflow: regular use of AI coding tools (Copilot, Cursor, Claude, etc.) in day‑to‑day developmentREST API design, relational database design, and SQLGit, CI/CD pipelines, and cloud environments (AWS or Azure)Ability to operate with genuine ownership in a lean, low-process teamNice to HaveExperience with the hospitality industry or B2B SaaS productsMicroservices or event-driven architecture experienceFamiliarity with observability tooling: Datadog, Sentry, or equivalentHands‑on experience with LLM APIs (OpenAI, Anthropic, etc.) or AI agents in productionTechnical English sufficient for documentation and corporate team communicationWho This Is NOT ForJunior or early‑career developers — this role requires genuine mid-senior depthSpecialists: pure frontend engineers, pure backend engineers, or pure data engineersCandidates who haven't shipped production code recently or who rely on heavy team scaffoldingAnyone who views AI coding tools as a threat rather than a multiplierBusiness UnitAvanceScheduled Weekly Hours40Number of Openings Available1Worker TypeRegularCareer SiteMore About Jonas SoftwareMore About Jonas SoftwareJonas 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.IS THIS YOU?At Vesta, we have long realised 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 Vesta Software Group 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 rapid 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 Vesta Software Group we have tweaked that slightly to fit vertical market software. We believe to be the best you have to hire and retain the best!!! Vesta Software Group 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 Vesta Software Group is part of a CSI group of companies.
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📌 Full Stack Developer (Toronto)
🏢 EWS Group
📍 Toronto