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Added 25 days ago
Senior Technical Lead (.NET)
Appnovation Technologies
Vancouver, BC
As Technical Lead, you will be the senior .NET authority on a dedicated, cross-functional scrum team building a modern operational SaaS platform for K-12 education. The platform helps…
Added 25 days ago
Backend Developer (.NET)
Appnovation Technologies
Vancouver, BC
As a Senior Software Engineer - Backend, you will build the .NET services that carry the core business logic of a modern operational SaaS platform for K-12 education. The platform automates…
Added 19 days ago
Lead AI Engineer
Royal Bank of Canada
Toronto, ON
Full-time
…expertise, and proficiency in modern development technologies (.NET/C#, Java, Python). You will effectively communicate and collaborate with engineering teams, business stakeholders, and…
Added 26 days ago
Senior Software Developer
Motorola Solutions
Vancouver, BC
Full-time
We are seeking a Senior Software Developer experienced in C++ and C# development within on-premise or cloud platform development environments who can provide hands-on technical leadership…
Added 19 days ago
Senior AI Engineer
Royal Bank of Canada
Toronto, ON
Full-time
We are seeking an accomplished Senior AI Engineer to contribute to the design, development, and implementation of AI-driven solutions within our software development lifecycle. This role…
Added 9 days ago
Software Engineer
Capco
Toronto, ON
As a Senior Software Engineer at Capco, you’ll design, develop, modify, maintain, and support complex web-based products and customer applications. You’ll work across the full software…
Added 9 days ago
Senior Software Engineer
Capco
Toronto, ON
As a Senior Software Engineer at Capco, you’ll design, develop, modify, maintain, and support complex web-based products and customer applications. You’ll work across the full software…
Added 25 days ago
Developer
JAVA Holdings Ltd.
Calgary, AB
…Management) services. We are seeking a motivated, detail-oriented Developer to join our growing software development team in the Edmonton or Calgary…
Added 25 days ago
Developer
JAVA Holdings Ltd.
Edmonton, AB
…Management) services. We are seeking a motivated, detail-oriented Developer to join our growing software development team in the Edmonton or Calgary…
Added 10 days ago
Lead AI Engineer
RBC
Toronto, ON
Full-time
…expertise, and proficiency in modern development technologies (.NET/C#, Java, Python). You will effectively communicate and collaborate with engineering teams, business stakeholders, and…
Added 10 days ago
Senior AI Engineer
RBC
Toronto, ON
Full-time
We are seeking an accomplished Senior AI Engineer to contribute to the design, development, and implementation of AI-driven solutions within our software development lifecycle. This role…
Added 1 month ago
Full Stack Developer
CGI
Calgary, AB
Full-time
We are seeking Intermediate to Senior Full Stack Developers to design, build, and deploy scalable web applications. The ideal candidate will have strong front-end expertise in both frontend…
Added 2 months ago
Manager, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
KPMG
Montreal, QC · Quebec City, Quebec
Full-time
As a Manager, Software Delivery Developer, you will combine hands-on technical leadership with team management and client delivery. You will lead development workstreams, guide architecture…
Added 2 months ago
Senior Consultant, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
KPMG
Montreal, QC · Quebec City, Quebec
Full-time
As a Senior Consultant, Software Delivery Developer, you will design and build high-quality software solutions while helping guide delivery teams and client stakeholders through technical…
Added 2 months ago
Consultant, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
KPMG
Montreal, QC · Quebec City, Quebec
Full-time
As a Consultant, Software Delivery Developer, you will work with experienced technical professionals to build software solutions for clients. You will contribute to development, testing,…
Added 2 months ago
Senior Consultant, Software Delivery Developer
KPMG
Calgary, AB
Full-time
As a Senior Consultant, Software Delivery Developer, you will design and build high-quality software solutions while helping guide delivery teams and client stakeholders through technical…
Added 2 months ago
Manager, Software Delivery Developer
KPMG
Calgary, AB
Full-time
As a Manager, Software Delivery Developer, you will combine hands-on technical leadership with team management and client delivery. You will lead development workstreams, guide architecture…
Added 1 month ago
Principal Consultant - Cybersecurity & Agentic AI
Synechron
Toronto, ON · Greater Toronto Area, Canada
$130,000 to $145,000 CAD / year
Full-time
Communicate technical design, risk trade-offs, and delivery progress clearly to senior stakeholders including CIO, CISO, 2LOD, and Audit functions.
Added 26 days ago
Senior Full Stack Engineer
Optix
Remote, Canada
Full-time · Remote
Optix is looking for a Senior Full Stack Engineer to help us build and evolve the platform that powers coworking and flex space operators, the people running the workspaces that are…
Added 1 month ago
Senior Software Developer
MarshallZehr Group Inc.
Waterloo, ON
$135,000 to $165,000 CAD / year
Full-time
As Senior Software Developer, you will own MarshallZehr’s in-house mortgage administration platform, Navigator. Navigator is one of MarshallZehr’s key strategic advantages. Staff who joined…
Added 14 days ago
Senior Software Engineer, QA
Unity Technologies
Montreal, QC · CAN-Montreal
Full-time
We are seeking a Senior Quality Engineer to join a newly established engineering team within the Unity Platforms Organization. This team is responsible for delivering Unity platform support…
Added 4 months ago
Workday Technical Integrations Lead, Senior Consultant
KPMG
Regina, SK · Edmonton, AB · Vancouver, BC · Winnipeg, MB · Fredericton, NB · Ottawa, ON · Calgary, AB · ON · Toronto, Ontario
Full-time
Knowledge and experience about Web Services, REST API, XML, XSLT, SOAP, WSDL, JSON, Java, .Net or other integration technologies
Added 27 days ago
Senior Release Engineer
Questrade Financial Group
Toronto, ON
We’re looking for our next Senior Release Engineer. Could It Be You?
Added 1 month ago
Quality Engineer - 6-month contract
OTIP (Ontario Teachers Insurance Plan)
Waterloo, ON
Contract
Reporting to the Senior Manager, DevOps & System Integration, the Quality Engineer is responsible for creating, reviewing, executing, and documenting the tests necessary to ensure that…
Added 10 days ago
Director of Engineering
Lantern
Vancouver, BC
Coach and develop engineering managers and senior engineers, building a strong bench of technical leadership

Appnovation Technologies

Backend Developer (.NET)

Vancouver, BC, Canada

Experience: At least 5-7 years of professional backend development experience with C# and .NET in production environments
Posting language: English
Posted: Aug 26, 2026

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Original job description

About us

Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Bold ambition. Practical action. Endless possibilities.

As a Senior Software Engineer - Backend, you will build the .NET services that carry the core business logic of a modern operational SaaS platform for K-12 education. The platform automates administrative processes for school divisions, so the backend work is workflow-heavy and integration-heavy: you will develop REST APIs consumed by a Next.js frontend, implement durable multi-step business processes as Temporal workflows, build worker services for asynchronous and scheduled processing, and write the integration services that publish and consume events across system boundaries.

You will work as part of a dedicated, cross-functional scrum team that operates as an embedded extension of the client's engineering organization. The team includes business analysis and QA capability and owns assigned product services end-to-end - from refinement through development, testing, documentation, and release readiness. You will work directly in the client's repositories, follow their established architecture and engineering standards, and deliver in small, reviewable increments.

The data layer spans a PostgreSQL transactional model and a ClickHouse analytics store, with authorization enforced through Keycloak and OpenFGA - a real requirement in a multi-tenant product where an administrator in one school division must never see another's data. The platform is moving from pilot deployments toward general availability, so this is a role for a senior engineer who cares about correctness in distributed systems - idempotency, retries, and what happens when the third call fails - and who is ready to own significant slices of the platform with minimal supervision.

Key Responsibilities:

Developing and maintaining .NET Core REST APIs, including versioning, validation, error semantics, and Swagger/OpenAPI documentation
Implementing Temporal workflows and activities for long-running, multi-step business processes with correct retry and compensation behaviour
Building worker services for background, scheduled, and queue-driven asynchronous processing
Writing integration services that publish and consume events over pub/sub, against clearly defined message contracts
Modelling and querying relational data in PostgreSQL using Entity Framework Core, including migrations and query performance tuning
Building and maintaining reporting and analytics data paths into ClickHouse
Enforcing authorization in application code against OpenFGA policies, and integrating with Keycloak for OAuth 2.0 / OpenID Connect authentication and SSO
Producing technical analysis and implementation plans for significant changes, and delivering work in small, reviewable merge requests
Writing unit, integration, and API tests, and contributing to the Playwright end-to-end suite where backend behaviour is under test
Participating in code review, responding to CodeRabbit findings, and keeping GitLab CI/CD pipelines green
Instrumenting services with logging, metrics, and tracing to support production diagnosis
Participating in refinement, planning, review, and retrospective as a member of a self-directed scrum team, and raising missing business decisions early
Taking ownership of feature areas end to end, from technical design through release and support
Maintaining technical implementation and API documentation as part of the definition of done, not after it
Resolving defects and supporting post-release stabilization of recently delivered functionality
Mentoring less experienced engineers through code review and pairing

What we are looking for

Must-Have:

At least 5-7 years of professional backend development experience with C# and .NET in production environments
Strong command of .NET Core, ASP.NET Core Web API, and Entity Framework Core
Demonstrated experience building RESTful APIs consumed by real frontend or third-party clients
Solid relational data modelling and SQL skills in PostgreSQL or an equivalent RDBMS, including query performance tuning
Practical experience with asynchronous processing - background workers, message queues, or scheduled jobs
Working understanding of async/await in .NET and the failure modes that come with it
Understanding of event-driven and pub/sub patterns, including at-least-once delivery and idempotent consumers
Experience integrating with an identity provider using OAuth 2.0 and OpenID Connect
Comfortable working inside an existing codebase and an established set of engineering standards, rather than setting your own
Disciplined approach to automated testing across unit, integration, and API layers
Understanding of what makes automated tests durable - avoiding hard-coded waits, brittle selectors, shared test state, and environment-specific assumptions
Comfortable working in a Git-based workflow with CI/CD and peer code review
Must be located in British Columbia, Canada

Technologies

Languages/Frameworks: C#, .NET Core, ASP.NET Core, Entity Framework Core
APIs: REST, OpenAPI/Swagger, API versioning
Workflow and Async: Temporal workflows, worker services, asynchronous processing, event-driven pub/sub, integration services
Databases: PostgreSQL, ClickHouse, EF Core migrations, query optimization
Identity and Authorization: Keycloak, OpenFGA, OAuth 2.0, OpenID Connect, role- and policy-based authorization
Testing: xUnit/NUnit, Moq, Testcontainers, unit, integration and API testing, Playwright end-to-end testing
Build/Deploy/Tooling: GitLab, GitLab CI/CD, CodeRabbit automated code review, Docker, Jira, Confluence

Nice-to-Have:

Hands-on Temporal experience, including workflow versioning and testing strategies
Exposure to ClickHouse or another columnar/OLAP store for reporting workloads
Familiarity with fine-grained authorization models (OpenFGA, Zanzibar-style ReBAC)
Working knowledge of TypeScript and React, enough to trace an issue across the stack
Experience with distributed tracing and structured observability (OpenTelemetry)
Familiarity with Domain-Driven Design and CQRS patterns
SaaS product delivery experience, particularly through a pilot-to-GA transition
Experience with Canadian public-sector or education data privacy requirements (PIPEDA, provincial FIPPA), including data residency considerations
Experience in a consulting or client-facing delivery environment

Who you are

You are a careful engineer who thinks about failure modes before writing the happy path, and who leaves code easier to change than you found it.
You ask questions early, communicate clearly when something is off track, and take testing seriously rather than treating it as a step after the work.
You treat a feature as incomplete until it is tested, documented, and supportable - finishing the code is the middle of the job, not the end.

What Appnovation Offers

Challenging and rewarding work with real impact
Direct Access to Cutting-Edge AI Platforms
Diverse and Inclusive Culture
Growth opportunities for personal and professional development
A collaborative and innovative work environment where your ideas are valued
Exposure to exciting projects and high-profile clients
Supportive work environment with access to company leaders
Hybrid working model

Thank you for your interest in a career with Appnovation Technologies! Please note that only those selected for an interview will be contacted.

At Appnovation, we recognize that diverse teams are the strongest teams. Diversity, Equity & Inclusion is not only something that we embrace - we celebrate it! We are proud to be an Equal Opportunity Employer and we encourage applicants from all backgrounds, lived experiences and industries to apply. Come join us at Appnovation, and learn more about how we stay true to our company values as we build better lives through better digital.

Accommodations are available upon request throughout the recruitment process.

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More about this job

Responsibilities

You will develop and maintain .NET services, REST APIs, and asynchronous worker processes for a SaaS platform in the K-12 education sector. You will also model relational data, implement authorization policies, and participate in a cross-functional scrum team to deliver high-quality, tested code.

Requirements

The role requires 5-7 years of professional backend development experience with C# and .NET in production environments. Candidates must have strong skills in relational data modeling, asynchronous patterns, and automated testing within a Git-based CI/CD workflow.

Skills

C#
.NET Core
ASP.NET Core
Entity Framework Core
REST APIs
PostgreSQL
ClickHouse
Temporal
OpenFGA
Keycloak
OAuth 2.0
OpenID Connect
GitLab CI/CD
Playwright
SQL
Asynchronous processing

Benefits

Challenging and rewarding work
Access to cutting-edge AI platforms
Diverse and inclusive culture
Growth opportunities
Collaborative environment
Hybrid working model

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET Core
ASP.NET Core
Entity Framework Core
RESTful APIs
PostgreSQL
ClickHouse
Temporal
OpenFGA
Keycloak
OAuth 2.0
OpenID Connect
GitLab
CI/CD
Playwright
SQL
Asynchronous processing
Pub/Sub
SaaS
Scrum
Unit testing
Integration testing
Docker
Jira
Confluence
Domain-Driven Design
CQRS
OpenTelemetry
Backend development
Distributed systems

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