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Added 24 mins ago
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Software Engineer II (Salesforce Loyalty Management Developer)
TD
Toronto, ON
- Full-time
The Software Engineer II (Salesforce Loyalty Management Developer)
Added 2 hours ago
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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 2 hours ago
T
Engineer II
TD
Toronto, ON
- Full-time
Participate in knowledge transfer with senior management, the team, other technical areas and business units
Added 2 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 2 hours ago
Senior Software Development Engineer, AWS Transactional Services
Amazon
Vancouver, BC
We are seeking a Senior Software Development Engineer to own and a build major part for our control plane. Your work will be critical to the scalability and availability of the service.…
Added 3 hours ago
W
Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Agent Factory is where Workday’s next chapter gets built. We’re forming small, senior, cross-functional AI teams that bring together product leaders, machine learning engineers, and…
Added 3 hours ago
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Senior Data Reliability Developer
nesto
Canada
- Full-time
…that powers Canada’s most advanced mortgage platform. As a Senior Data Reliability Developer, you won't just be "checking results"; you will be a specialized engineer focused on the…
Added 3 hours ago
EW
Senior Plant Process Engineer
ERCO Worldwide
Saskatoon, SK
- Full-time
ERCO Worldwide is looking for a Senior Plant Process Engineer to join our Saskatoon team! Under supervision of the Plant Manager, the Senior Plant Process Engineer monitors processes within…
Added 3 hours ago
T
Senior Solutions Engineer / Architect
Thri5
Toronto, ON
- $150,000 to $200,000 CAD / year
- Full-time
We're hiring a Senior Solutions Engineer / Architect in Toronto to be the technical partner for our retail customers. You'll run the work from the first conversation with a CIO through to a…
Added 4 hours ago
HT
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
- Full-time
We have an opening for a Mechanical / Manufacturing Engineer working with our Manufacturing Engineering Team as outlined below:
Added 4 hours ago
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Solutions Designer, Splunk Montreal, Quebec, Canada
Cisco
Montreal, QC
- Full-time
Splunk is seeking a highly skilled and strategic Senior Solutions Engineer to join our Eastern Canada team. Splunk, a Cisco company, is building a safer and more resilient digital world…
Added 4 hours ago
T
Engineer I
TD
Toronto, ON
- Full-time
Participate in knowledge transfer with senior management, the team, other technical areas and business units
Added 4 hours ago
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Principal Software Engineer, Docker Hardened Images
Docker
Remote, Canada
- Full-time
- Remote
…security-conscious environments. We're looking for a Principal Software Engineer to set the long-term technical direction for this catalogue and shape how the broader container security…
Added 4 hours ago
ST
Structures and Systems Installation Integrator
SEGULA Technologies
Montreal, QC
- Full-time
We are seeking an experienced Senior Lead Engineer – Integrated Structural & Systems Installation Design to lead complex, multi-zone aircraft design and physical integration activities. In…
Added 5 hours ago
RT
Senior Engineer – Electrical Systems Integration
Rang Technologies Inc
Toronto, ON
- $50 to $55 CAD / hour
- Contract
Title: Senior Engineer – Electrical Systems Integration
Added 5 hours ago
AI
Forward Deployed Engineer (Python/Pyspark Developer)
Apptoza Inc.
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 5 hours ago
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Senior Mechanical Engineer
W3Global
Medicine Hat, AB
- Full-time
We are seeking a Senior Mechanical Engineer with product/systems development experience. The role is strategically centered on our development, offering a unique opportunity to contribute…
Added 5 hours ago
T
Intermediate Software Engineer
TekRek
Toronto, ON
- Full-time
This is a hybrid, full-time product engineering role for an intermediate full stack developer ready to own features end to end. You will take scoped work from requirements through design,…
Added 6 hours ago
C1
Senior Data Engineer, Microsoft Fabric - 6 month contract-(Hybrid)
Central 1
Vancouver, BC · Toronto, ON
- Full-time
Central 1 is seeking a highly experienced Senior Data Engineer and Microsoft Fabric Subject Matter Expert (SME) to lead the design, implementation, and optimization of enterprise-scale data…
Added 6 hours ago
IC
Senior Compiler Engineer
Intel Corporation
Toronto, ON · CAN - - Toronto
- Full-time
The Compiler Engineering team in Data Center Group at Intel has an opportunity available for a Senior Compiler Engineer.
Added 6 hours ago
S
Mechanical Design Engineer
SMARTFOX
ON · Ontario, Canada
- $80,000 to $120,000 CAD / year
- Full-time
Senior Mechanical Design Engineer - 5+ years : Leading complex designs and programs, signing off as a P.Eng. where required, setting design standards, guiding architecture decisions, and…
Added 6 hours ago
Senior Plant Process Engineer
ERCO Worldwide
Saskatoon, SK
ERCO Worldwide is looking for a Senior Plant Process Engineer to join our Saskatoon team! Under supervision of the Plant Manager, the Senior Plant Process Engineer monitors processes within…
Added 6 hours ago
C1
Senior Data Engineer, Microsoft Fabric - 6 month contract-(Hybrid)
Central 1
Vancouver, BC
- $85 to $100 CAD / hour
- Contract
Central 1 is seeking a highly experienced Senior Data Engineer and Microsoft Fabric Subject Matter Expert (SME) to lead the design, implementation, and optimization of enterprise-scale data…
Added 6 hours ago
C1
Senior Data Engineer, Microsoft Fabric - 6 month contract-(Hybrid)
Central 1
Toronto, ON
- Contract
Central 1 is seeking a highly experienced Senior Data Engineer and Microsoft Fabric Subject Matter Expert (SME) to lead the design, implementation, and optimization of enterprise-scale data…
Added 6 hours ago
J(
EMS Engineer/Software Developer
JSG (Johnson Service Group, Inc.)
Calgary, AB
- Full-time
Johnson Service Group (JSG) is currently looking for an EMS Engineer/Software Developer with experience in Energy Management Systems, software development, custom code management, system…

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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