Senior Developer

About TTG

Thatcher Technology Group (TTG) provides direct selling solutions to companies around the world. TTG is seeking a driven and detail-oriented Intermediate Senior Developer to join its Professional Services Team, leading client engagements across TTG's software platforms:

• Prowess - TTG's established .NET Framework direct selling application.

• Ascend - TTG's newer .NET Core microservice-based direct selling platform.

The Opportunity

In this role, the Senior Developer will serve as a senior individual contributor, primarily designing and delivering modern features for Ascend using Vue 3, TypeScript, C#/.NET Core, Microsoft SQL Server, Docker, and Kubernetes, while also supporting and enhancing Prowess where needed. The developer's work will directly affect the systems TTG's clients rely on to run critical day-to-day business processes.

The role combines hands-on development with solution design, complex problem-solving, peer support, and ownership of complex delivery and production issues. The Senior Developer will work closely with project management, business analysis, QA, and other developers to deliver reliable, scalable, and maintainable solutions.

Location: Canada (remote)

The salary range for this role is $120,000-$135,000 CAD per year. Final compensation will be determined based on experience and skills.

What You'll Own

Design and deliver end-to-end solutions

• Own the design and delivery of complex features across user interfaces, APIs, services, integrations, and data.

• Build features using Vue 3, TypeScript, Pinia, Kendo UI for Vue, and Axios.

• Design and build C#/.NET Core services using microservice architecture, along with REST APIs and asynchronous integrations.

• Design and optimize Microsoft SQL Server data access, including complex queries, indexing, and performance tuning.

Build reliable, production-ready software

• Improve system reliability, scalability, security, performance, and observability while addressing meaningful technical debt.

• Package services using Docker and support deployments in Kubernetes environments.

• Diagnose high-priority production issues, identify root causes, and help implement durable fixes.

• Create and maintain technical documentation that supports reliable delivery and production operations.

• Adhere to security and data-handling best practices consistent with SOC 2 and PCI-DSS obligations.

Provide senior technical leadership

• Contribute actively to technical design discussions and code reviews.

• Support less-experienced developers through code review, troubleshooting, and knowledge sharing.

• Work closely with project managers, business analysts, QA, and other developers throughout delivery.

• Clearly communicate technical recommendations, tradeoffs, dependencies, estimates, and risks to technical and non-technical stakeholders.

Responsibilities may evolve as the Professional Services team grows.

What We're Looking For

• 7+ years of professional software development experience, including significant ownership of production full-stack applications.

• 5+ years of C#/.NET Core development experience.

• 5+ years of experience building production applications with Vue.js, ideally Vue 3 and the Composition API.

• 3+ years of production TypeScript experience.

• Strong experience with microservice architecture, REST API design, asynchronous processing, messaging, and event-driven integrations.

• Strong Microsoft SQL Server skills, including data modelling, query optimization, indexing, and production performance troubleshooting.

• Hands-on experience with Docker, Kubernetes, and cloud environments such as AWS.

• Experience building or supporting eCommerce functionality such as carts, checkout, orders, catalogues, discounts, or returns.