Senior Software Engineer
Summary
Versatile Software Engineer with extensive experience building distributed systems and cloud-native applications. Specialized in designing scalable backend services, modern frontend solutions, and real-time data pipelines. Proven track record of taking projects from architecture through deployment and collaborating with cross-functional teams to deliver high-impact products.
Key Responsibilities
• Design, develop, and maintain backend microservices in Python and Node.js/TypeScript using AWS Lambda, Cloud Run, Cloud Functions, Dataflow, S3, QuickSight, and Athena.
• Implement REST APIs to enable high-performance, secure integrations with internal and external systems.
• Build and maintain frontend features using modern component libraries such as React.
• Design and optimize data pipelines leveraging Kafka/MSK, Airflow, and cloud data lakes for real-time and batch processing.
• Collaborate with QA, Product, and cross-functional teams to troubleshoot, resolve, and prevent production issues.
• Write unit and integration tests, enforce coding standards, and refactor code to follow DRY and scalable architecture principles.
• Mentor junior developers on engineering best practices, cloud computing, and microservice design. • Peer review commits and pull requests, ensuring code quality and adherence to architecture standards.
• Document systems, workflows, and technical designs in Confluence for organizational knowledge sharing. • Contribute to scaling initiatives by building ledger-driven financial workflows, transaction monitoring systems, and automated reporting pipelines.
• Experience working in Agile development environments, including Scrum or Kanban, collaborating closely with cross-functional teams to deliver iterative, highquality software.
Core Skills & Technologies
Languages & Frameworks: Python, JavaScript/TypeScript, Java, React
Cloud & Infrastructure: AWS (Lambda, S3, EKS, QuickSight), GCP (Cloud Functions, Cloud Run)
Databases: PostgreSQL, MongoDB, AWS Athena
Data & Messaging: Kafka/MSK, Airflow, SQS
DevOps & Tools: Docker, Git, Confluence, Jira, CloudWatch
Other: API Design, Distributed Systems, Microservices, Event-Driven Architecture
Nice-to-Have Qualifications
• Experience with financial systems, payment processing, or ledger-based architectures.
• Familiarity with infrastructure-as-code (Terraform, CloudFormation).
• Exposure to container orchestration (Kubernetes, ECS).
• Hands-on experience with CI/CD pipelines (GitHub Actions, CodePipeline).
• Knowledge of data visualization and reporting tools (QuickSight, Tableau, or Looker).
• Understanding of observability tools (Prometheus, Grafana, Datadog). • Interest in mentorship, technical leadership, and architecture design reviews.
• Familiarity with machine learning and/or AI systems.
• Passion for continuous improvement, clean architecture, and developer experience
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.