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Added 12 mins ago
IF
Solution Designer
iA Financial Group
Montreal, QC · Quebec, QC
- Full-time
Ensure compliance with development, security, architecture, and operational standards.
Added 12 mins ago
GT
Technology Delivery Manager
Greater Toronto Airports Authority
Toronto, ON
- Full-time
5+ years of experience in technical delivery, solution architecture, engineering management, or similar roles within large, complex operational environments, with experience working with…
Added 12 mins ago
Q
Staff SoC Design Engineer
quadric
Remote, Canada
- Full-time
- Remote
…inference and conventional C++ code on a single programmable architecture. Our technology powers intelligent edge devices across automotive, industrial, robotics, and embedded…
Added 12 mins ago
Software Development Engineer, Region Flexibility Engineering
Amazon
Vancouver, BC
…company-wide initiatives in the region expansion, observability, security, availability, and efficiency spaces. Your contributions will impact tens of thousands of services and benefit…
Added 12 mins ago
C
Lead Information Security Analyst, Vulnerability and External Attack Surface Management (T & I) (Telework/Hybrid)
CBC/Radio-Canada
Toronto, ON · Montreal, QC
- Full-time
…the vulnerability and exposure risk register, and adjudicate security exemption requests across the…
Added 12 mins ago
SC
System Implementation Specialist
SFIR Consulting Ltd.
Toronto, ON · North York, ON
- Full-time
Added 12 mins ago
PC
Project Technologist
Pinchin Canada
Saskatoon, SK
- Full-time
Diploma/degree in Architectural Technology, Civil Engineering Technology, Construction, Architecture, Building Science, or a related discipline.
Added 12 mins ago
A
Manager, Software Engineering - 12 Month Temporary
Aviso
Vancouver, BC
- $145,000 to $160,000 CAD / year
- Full-time
…aligning the Software Engineering roadmap with the Enterprise Architecture vision and organization…
Added 12 mins ago
GT
End-to-End Technical Lead - Personal Banking
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $75 to $90 CAD / hour
- Contract
…understand end-to-end solution delivery, including requirements, architecture, application development, integration, data, testing, infrastructure, security, deployment and production…
Added 12 mins ago
R&
Program Manager
Robertson & Company Ltd.
Toronto, ON
- Contract
Provide project oversight on behalf of the Director, Architecture, Digital Governance, Digital Public Health
Added 12 mins ago
GT
DevOps Engineer
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $80 to $90 CAD / hour
- Contract
…requires expertise in CI/CD, infrastructure as code, cloud security, networking, monitoring, and operational readiness. The engineer will lead standardization of pipelines/workflows,…
Added 12 mins ago
CE
Network Engineer
Capgemini Engineering
Toronto, ON
- Full-time
…recommend improvements aligned with industry best practices, security standards, and enterprise architecture…
Added 12 mins ago
S
Mechanical Design Engineer
SMARTFOX
ON · Ontario, Canada
- $80,000 to $120,000 CAD / year
- Full-time
…a P.Eng. where required, setting design standards, guiding architecture decisions, and shaping the product…
Added 12 mins ago
IE
Analyst, Business
IMAX Enhanced | Streaming & Consumer Technology
Mississauga, ON
- Full-time
With our global team spanning North America, Europe, and Asia, IMAX brings together proprietary software, world-class architecture, and cutting-edge technology with deep industry expertise.…
Added 12 mins ago
TT
Data and AI Lead, Development and Governance
Tundra Technical Solutions
Mississauga, ON
- $120,000 to $130,000 CAD / year
- Full-time
IT Leadership, enterprise architecture and security
Added 12 mins ago
GD
Senior Application Architect Manager
Globalfaces Direct
Toronto, ON · North York, ON
- $95,000 to $115,000 CAD / year
- Full-time
Own the architecture for new and existing applications, ensuring they meet performance, scalability, and security requirements.
Added 27 mins ago
AI Engineer, Data, AI and Analytics
WestJet Group
Calgary, AB
Develop practical, maintainable solutions that align with established architecture, security, and operational standards.
Added 27 mins ago
OH
Senior Product Manager, ONE ID
Ontario Health
Toronto, ON
- Full-time
A premium defined benefit pension plan, ensuring long-term financial security
Added 27 mins ago
NS
Logic Design Engineer
NXP Semiconductors
Ottawa, ON · Kanata
- Full-time
…products, with expertise in hardware engineering, including architecture, IP, and full SoC…
Added 27 mins ago
TG
Senior Manager, AI and Data
TMX Group
Toronto, ON
- $165,000 to $175,000 CAD / year
- Full-time
Oversee data modelling, warehousing and lakehouse architecture, and streaming, ensuring the data layer is ready to serve both analytics and AI workloads.
Added 27 mins ago
TE
Senior Communications Advisor - Emergency Response
TC Energy
Calgary, AB
- Full-time
Build strong relationships across Operations, Emergency Management, Enterprise Security, HR and External Relations teams to strengthen preparedness and support coordinated organizational…
Added 27 mins ago
C1
Senior Data Engineer, Microsoft Fabric - 6 month contract-(Hybrid)
Central 1
Vancouver, BC
- $85 to $100 CAD / hour
- Contract
Provide technical leadership and mentorship on Microsoft Fabric engineering, working closely with the Architecture team to ensure alignment with architectural standards and platform best…
Added 27 mins ago
AS
Frontend Developer
Ardent SoftSol Inc.
Brampton, ON
- Contract
Utilize TypeScript, RxJS, Angular Signals, and modern Angular architecture patterns.
Added 27 mins ago
Y
Oracle HCM Technical Developer (Integrations & VBS Customizations)
Yochana
ON · Ontario, Canada
- Contract
Ensure compliance with Oracle Cloud best practices and security standards.
Added 27 mins ago
S
Human Resources Manager
SMARTFOX
ON · Ontario, Canada
- $80,000 to $100,000 CAD / year
- Full-time
Design and administer compensation, benefits, and recognition programs, including salary benchmarking, job architecture, and annual review cycles

Flexkube Lab Inc.

Senior Software Engineer - .NET, C# & APIs

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

Contract

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Applications open in a new tab.

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.

Apply About employer

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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