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Added 44 mins ago
W
Data & AI Engineer
Wiraa
Canada
- Full-time
We are seeking a skilled Data & AI Engineer to join our team in Mississauga, CA, working in a hybrid model (3 days in office, 2 days remote). In this role, you will be responsible for…
Added 44 mins ago
A
Construction Engineer
Actalent
Montreal, QC
- $48 to $60 CAD / hour
- Contract
Added 44 mins ago
A
Electrical Quality Control Inspector
Actalent
Pickering, ON
- $60 to $65 CAD / hour
- Contract
Experience in electrical work (Journeyman, Masters, or Electrical Engineer).
Added 44 mins ago
A
Airworthiness Certification Engineer
Actalent
Ottawa, ON · Nepean, ON
- $65 to $80 CAD / hour
- Contract
Job Title: Airworthiness Certification Engineer
Added 1 hour ago
A
Ingenieur Mecanique - Mechanical Engineer
Actalent
Terrebonne, QC
- $46 to $77 CAD / hour
- Contract
Added 1 hour ago
RD
Kotlin Developer
Randstad Digital
Vancouver, BC
- $140,000 to $180,000 CAD / year
- Contract
We are seeking a Software Engineer to help build and maintain our finance integration platform. You will work in an established Kotlin codebase connecting retail, order-management, and…
Added 1 hour ago
A
Ingénieur ou ingénieure en systèmes de contrôle
Alithya
Pickering, ON
- Full-time
As a control systems engineer, you’ll work as part of a technical project team on technically challenging and interesting projects, mostly within the nuclear industry, to deliver technical…
Added 1 hour ago
GC
Senior Engineer, Geotechnical
Glencore Canada
Sparwood, BC
- Full-time
Reporting to the Manager, Geological Engineering, the Senior Engineer, Geotechnical is responsible for:
Added 2 hours ago
Software Engineer I
Planview Incorporated
Vancouver, BC
We're seeking a Software Engineer-I to join our Platform Engineering -Intelligence Platforms team in Vancouver, BC. This is a hybrid role, and team members are expected to be in the office…
Added 2 hours ago
J
Senior FDIR-FSW Systems Engineer
Jobgether
Canada
- Full-time
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior FDIR-FSW Systems Engineer based in Canada.
Added 2 hours ago
AI
Intermediate Mechanical Design Engineer
Aversan Inc.
Cambridge, ON
- $76,000 to $105,000 CAD / year
- Full-time
Determine tools, fixtures, and equipment for fabrication and assembly of mechanical components
Added 3 hours ago
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Senior Orbit Dynamics & Mission Analysis Engineer
Jobgether
Canada
- Full-time
…partner is looking for a Senior Orbit Dynamics & Mission Analysis Engineer based in…
Added 3 hours ago
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Staff Machine Learning Engineer
Twilio
Remote, Canada
- Full-time
- Remote
Join the team as Twilio’s next Staff Machine Learning Engineer on Twilio’s AI/ML Platform team.
Added 3 hours ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Senior Software Engineer, you will be a hands-on technical leader working across the PowerPoint for the web stack. You will design and deliver end-to-end AI-powered features, from…
Added 3 hours ago
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Verification Engineer, Senior
Qualcomm
Toronto, ON
- Full-time
…create a smarter, connected future for all. As a Qualcomm ASIC Engineer, you will define, model, design (digital and/or analog), optimize, verify, validate, implement, and document IP…
Added 3 hours ago
WD
Systems Engineer Intern, Data Services
Walt Disney Animation Studios
Vancouver, BC
- $34 CAD / hour
- Full-time
As a Systems Engineer Intern on the Data Services team, your main project will be to develop a centralized location for the Data Services team to store, filter, and view distributed…
Added 3 hours ago
M
Senior Analytics Engineer - GTM
Motive
Vancouver, BC
- Full-time
Motive empowers the people who run physical operations with tools to make their work safer, more productive, and more profitable. For the first time ever, safety, operations and finance…
Added 3 hours ago
J
Lead Product Manager, Technical
Jobgether
Canada
- Full-time
Preferred engineering background: Previous experience as a software engineer or in another technical role is an advantage.
Added 3 hours ago
J
Senior Orbit Dynamics & Mission Analysis Engineer
Jobgether
Canada
- Full-time
…partner is looking for a Senior Orbit Dynamics & Mission Analysis Engineer based in…
Added 3 hours ago
WD
Software Engineer Intern, Pipeline Infrastructure
Walt Disney Animation Studios
Vancouver, BC
- $34 CAD / hour
- Full-time
As a Pipeline Infrastructure Intern, you will develop features and/or supporting tools for our next generation pipeline framework. In this role, you will help the team address user needs as…
Added 4 hours ago
L
Senior Technical Recruiter
LiveKit
Canada
- Full-time
You can hold a real conversation with an engineer about their work
Added 4 hours ago
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Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
…back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire…
Added 4 hours ago
GC
Machine Learning Research & Engineering Specialist
Gramian Consulting Group
Remote, Canada
- Contract
- Remote
SENIORITY: Experienced / Research-Level Engineer
Added 4 hours ago
RI
AI Engineer
Remarcable, Inc.
Remote, Canada
- Full-time
- Remote
As our AI Engineer, you will turn the data flowing through Remarcable every day (purchase orders, quotes, invoices, inventory and supplier catalogs) into AI features that save contractors…
Added 5 hours ago
N
Senior Data Reliability Developer
nesto
Canada
- Full-time
…won't just be "checking results"; you will be a specialized engineer focused on the integrity, reliability, and scalability of our data pipelines. You will collaborate closely with Data…

Flexkube Lab Inc.

Senior Software Engineer - .NET, C# & APIs

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

Contract

Apply About employer

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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