Back-End Software Developer

Teckhorizon Inc

  • Toronto, ON
  • Permanent
  • Full-time
  • 6 hours ago
  • Apply easily
Role OverviewOur Client is seeking a Senior Back-End Software Developer to design, build, and modernize enterprise-grade applications within a high-impact public sector environment. You will work across .NET, Java, and Cloud-Native architectures, contributing to large-scale, mission-critical systems.Key Responsibilities
  • Design and develop scalable, secure applications based on user stories, architecture, and UX/UI artefacts
  • Build and modernize .NET applications (C#, ASP.NET Core, MVC, REST APIs)
  • Develop Cloud-Native and Microservices-based solutions using modern frameworks
  • Create technical design documentation and UML models
  • Support QA, testing, and defect management (unit, automation, performance, security, AODA compliance)
  • Provide production support, troubleshooting, and system enhancements
  • Collaborate with cross-functional teams including BA, Architects, Product Managers
  • Deliver knowledge transfer and post-implementation support
Must-Have Skills
  • 10+ years in software development (enterprise-level systems)
  • Strong experience in C#, .NET, ASP.NET Core, REST APIs
  • Strong experience in Java EE (Spring Boot, Spring MVC, JPA, Servlets, JDBC)
  • Experience with Cloud-Native and Microservices architecture
  • Hands-on experience with Angular, React, or Node.js
  • Strong SQL experience (Oracle, SQL Server, PostgreSQL)
  • Experience with Azure, PaaS, or Docker
  • Understanding of secure coding practices (OWASP)
  • Experience with CI/CD, DevOps, Agile
Technical Environment
  • Languages and frameworks: C#, .NET, Java, Spring Boot, Node.js
  • Frontend: Angular, React, Redux
  • Databases: Oracle, SQL Server, PostgreSQL, DB2
  • Cloud and tools: Azure, Docker, Git, Maven, Azure DevOps
  • Testing: Selenium, JUnit, accessibility tools (AODA compliance)
  • Servers: WebLogic, WebSphere, Tomcat, JBoss
Nice to Have
  • Experience in Ontario Public Sector or broader public sector environments
  • Knowledge of transportation, licensing, or regulatory systems
  • Exposure to Azure Data Factory

Teckhorizon Inc