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Community Development Engineer
Town of Canmore
Canmore, AB
The Community Development Engineer is responsible for supporting the Town of Canmore’s Engineering Department by contributing to community development projects. This role ensures the…
Added just now
BB
Engineer, Cloud Operations
Bed Bath & Beyond
Brampton, ON
- Full-time
Sleep Country Canada is looking for a Junior Cloud Engineer to play a critical role in supporting day-to-day operations of the organization’s cloud infrastructure, helping ensure systems…
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Outside Sales Engineer – Heat Trace, Western Canada
Spirax-Sarco Ltd.
Canada
…with an innovative solution 100 years ago when a self-taught engineer invented the first metal-sheathed resistance heating element. It was this then-advanced thermal technology that…
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Forward Deployed Engineer
Leyton
Calgary, AB
- €30,000 to €50,000 EUR / year
- Full-time
As a Forward Deployed Engineer, you will work directly with business teams across different countries to identify opportunities, design solutions, build prototypes, and deliver AI-powered…
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Senior Geotechnical Engineer
Hays
ON · Ontario, Canada
- Full-time
As a Senior Geotechnical Engineer, you will serve as a key technical expert supporting the safe operation and management of tailings storage facilities and associated dam structures. You…
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Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Saskatoon, SK
- Full-time
Seeking a driven and motivated engineer to join our sales team focusing on growing business with existing customers and developing new business. This position will involve applications…
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- Contract
Support design and development of hydromechanical systems
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PG
Linux System Engineer
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Vancouver, BC
- $60 to $65 CAD / hour
- Contract
Job Title: Senior DevOps Engineer with Linux and HPC
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GC
HIL Commissioning Engineer
Global Connect Technologies
Windsor, ON
- Full-time
We are seeking an experienced HIL Commissioning Engineer to support automotive engineering projects for Stellantis through Cognizant. The ideal candidate will have hands-on experience with…
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IC
Sr. Java Deveoper
IT Connex
Toronto, ON · Greater Toronto Area, Canada
- Contract
Our client is seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. Candidate should have experience working with financial…
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Ingénieur en test et conception mécanique / Test & Mechanical Engineer
Wabtec Corporation
Montreal, QC
- Full-time
Added just now
C-
Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Ottawa, ON
- Full-time
Seeking a driven and motivated engineer to join our sales team focusing on growing business with existing customers and developing new business. This position will involve applications…
Added 15 mins ago
M
Staff Software Engineer, AI
Maple
Toronto, ON
- Full-time
We’re looking for a Staff Software Engineer, AI to own and ship the next generation of AI-powered healthcare experiences at Maple.
Added 15 mins ago
Senior Engineer, Geotechnical
Elk Valley Resources
Calgary, AB · Sparwood, BC
…British Columbia. We are committed to responsible resource development, environmental performance and building strong partnerships with communities and Indigenous…
Added 15 mins ago
Civil Superintendent
Kiewit
Toronto, ON
…maintain positive working relationships with clients, architect/engineer, suppliers, subcontractors, and jobsite…
Added 15 mins ago
Junior Full stack Developer (Front End Focus)
Scotiabank
Toronto, ON
Technical understanding – as a standard Software Engineer there will be expectations that you are able to lead technical discussions, challenge design and strategy
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Senior Crypto Engineer
Scotiabank
Toronto, ON
As a Senior Crypto Engineer, you will be a core member of the Engineering pillar, responsible for responsible for the design, building, and patterning of security solutions into…
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Substation Lead, Western Canada, Vancouver EOI
Hatch
Vancouver, BC
…Facilities. The Substation Lead is accountable for leading the development of substation electrical drawings in accordance with scope of work, while ensuring constructability, technical…
Added 15 mins ago
Substation Lead, Western Canada, Calgary EOI
Hatch
Calgary, AB
…Facilities. The Substation Lead is accountable for leading the development of substation electrical drawings in accordance with scope of work, while ensuring constructability, technical…
Added 15 mins ago
Substation Lead, Western Canada, Winnipeg EOI
Hatch
Winnipeg, MB
…Facilities. The Substation Lead is accountable for leading the development of substation electrical drawings in accordance with scope of work, while ensuring constructability, technical…
Added 29 mins ago
C
Java Software Engineer
Collabera
Mississauga, ON
- $65 to $80 USD / hour
- Full-time
We are looking for a Senior Java Developer with 5 to 10+ years of experience in Java development. The candidate should have strong experience building distributed, service-oriented,…
Added 29 mins ago
EV
Senior Engineer, Geotechnical
Elk Valley Resources
Sparwood, BC
- Full-time
…British Columbia. We are committed to responsible resource development, environmental performance and building strong partnerships with communities and Indigenous…
Added 29 mins ago
CE
Application Engineer
Canadian Executive Search Group (USA) Inc / Division of Arrow Group of Companies
Cambridge, ON · Greater Kitchener-Cambridge-Waterloo Metropolitan Area
- $60,000 to $85,000 CAD / year
- Full-time
We are seeking an Applications Engineer to join a technical team supporting industrial environmental and process engineering solutions.
Added 29 mins ago
V
Senior Full Stack Engineer
Viamo
Remote, Canada
- $100,000 to $140,000 CAD / year
- Full-time
- Remote
We are looking for a Senior Full Stack Engineer to join our growing, multinational team of engineers. We work passionately to improve the quality of life for people in lower and middle…
Added 29 mins ago
E
Project Manager, Transmission Projects
EPCOR
AB · Edmonton, Alberta
- Full-time
…approval process. Support Transmission Asset Management in the development and writing of the Capital Business Case documents and Post Implementation Review documents for upcoming GTA…

Flexkube Lab Inc.

Senior Software Engineer - .NET, C# & APIs

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 25, 2026
Experience: 8+ years of professional software engineering experience, with strong hands-on development expertise in C# and .NET.
Posting language: English
Posted: Oct 26, 2026

Original job description

In this role, you will design, develop, modernize, and maintain enterprise applications and APIs that support business-critical solutions for our clients.

We are looking for an experienced, hands-on engineer who brings strong backend development capabilities, an understanding of modern frontend frameworks, and experience delivering secure, scalable, and reliable software.

You will collaborate with cross-functional engineering teams, contribute to technical design decisions, and leverage modern development practices, including AI-assisted engineering tools, to improve software quality and delivery efficiency.

Why This Role Is Open

We are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact.

What You’ll Do

Design, develop, and maintain scalable backend services and enterprise applications using C#, .NET, ASP.NET Core, and SQL Server.
Build, enhance, and integrate secure RESTful APIs, including authentication, authorization, data validation, and error handling.
Contribute to the modernization of existing applications, including refactoring legacy code, improving performance, and enhancing system reliability.
Work across the application stack, collaborating on frontend development using React, Angular, or similar JavaScript/TypeScript frameworks.
Apply secure coding principles and API security practices, including OAuth2, JWT, and common application security standards.
Participate in technical design discussions, code reviews, automated testing, troubleshooting, and performance optimization.
Support CI/CD pipelines, containerized deployments, and development workflows using tools such as Docker.
Collaborate with engineers, product teams, and quality specialists to deliver high-quality solutions in Agile environments.
Leverage AI-assisted development tools responsibly to support coding, testing, debugging, and documentation while maintaining security and engineering standards.
Share technical knowledge and contribute to continuous improvements in development practices and software quality.

What We’re Looking For

8+ years of professional software engineering experience, with strong hands-on development expertise in C# and .NET.
Solid experience building and maintaining applications using ASP.NET Core, Web API, and RESTful services.
Strong understanding of backend architecture, API design, system integrations, and object-oriented programming principles.
Experience working with SQL Server or comparable relational databases, including data access technologies such as Entity Framework Core or Dapper.
Experience with modern frontend development using React, Angular, or similar JavaScript/TypeScript frameworks.
Understanding of application security principles, including authentication, authorization, OAuth2, JWT, and secure coding practices.
Experience working with Git, code reviews, automated testing, CI/CD pipelines, and Agile software delivery.
Strong problem-solving and troubleshooting skills, with the ability to investigate and resolve complex technical issues.
Ability to collaborate effectively with cross-functional teams and communicate technical concepts clearly.

Bonus Points For

Experience modernizing legacy .NET applications or migrating enterprise systems to modern architectures.
Exposure to Azure or AWS cloud environments, Docker, Kubernetes, or cloud deployment troubleshooting.
Experience with performance optimization, application monitoring, and production support.
Familiarity with accessibility standards such as WCAG or AODA.
Experience with Snowflake, data warehouses, or enterprise data integrations.
Experience with Tailwind CSS, shadcn/ui, or other modern frontend component libraries.
Experience using AI-assisted software development tools such as GitHub Copilot, ChatGPT, or other AI-powered coding and testing solutions.
Experience mentoring developers, contributing to technical documentation, or improving engineering standards.

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More about this job

Responsibilities

Design, develop, modernize, and maintain enterprise applications and secure, scalable APIs using C#, .NET, ASP.NET Core, and SQL Server. Collaborate across engineering and product teams on frontend work, security, testing, CI/CD, troubleshooting, performance improvements, and responsible use of AI-assisted development tools.

Requirements

Requires 8+ years of software engineering experience and strong hands-on expertise in C# and .NET, including ASP.NET Core, Web API, RESTful services, backend architecture, and relational databases. Candidates should also have frontend framework experience, knowledge of application security, and experience with Git, code reviews, automated testing, CI/CD, and Agile delivery.

Skills

C#
.NET
ASP.NET Core
RESTful APIs
SQL Server
Entity Framework Core
Dapper
React
Angular
OAuth2
JWT
Docker
CI/CD
Automated Testing
Agile
Application Security

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
ASP.NET Core
Web API
RESTful APIs
SQL Server
Entity Framework Core
Dapper
React
Angular
JavaScript
TypeScript
OAuth2
JWT
Git
Code Reviews
Automated Testing
CI/CD
Docker
Kubernetes
Azure
AWS
Agile
Legacy Application Modernization
Performance Optimization
Application Monitoring
Snowflake
WCAG
Tailwind CSS
GitHub Copilot

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