ZipRecruiter

Log In

1

Net Web Api Developer Jobs in Toronto, ON (NOW HIRING)

United Airlines

Senior Technical Lead

Mississauga, ON · On-site

CA$95K - CA$120K/yr

Strong expertise in Microsoft technologies (.NET, C#, ASP.NET, Web API, WCF) . * Experience with Azure Cloud, DevOps, CI/CD, and Application Modernization . * Strong understanding of enterprise ...

BusPlanner

Mobile Developer (.NET MAUI)

Toronto, ON · Remote

Backend API development in C# -- designing and building the APIs your mobile work depends on, so ... NET. * Full mobile lifecycle experience: build configuration, code signing, provisioning, store ...

BusPlanner

Mobile Developer (.NET MAUI)

Toronto, ON · On-site

Backend API development in C# - designing and building the APIs your mobile work depends on, so ... NET. * Full mobile lifecycle experience: build configuration, code signing, provisioning, store ...

Manulife

Senior Full Stack Software Engineer

Toronto, ON · On-site

CA$113K - CA$163K/yr

Promote engineering best practices, code quality, automation, and CI/CD. * Collaborate with cross ... Experience developing with REST APIs, Web API, MVC , and modern web frameworks such as React or ...

Smooth Commerce

Backend PHP Developer

Toronto, ON · On-site

CA$80K/yr

... web servers and MySQL * API:RESTful services, JSON-based communication * DevOps & Tools:Git, CI/CD ... Jenkins, Docker, Ansible * Architecture & Patterns:MVC, SOLID, DDD, microservices, event-driven ...

Smooth Commerce

Backend PHP Developer

Toronto, ON · Remote

CA$80K/yr

... web servers and MySQL * API: RESTful services, JSON-based communication * DevOps & Tools: Git, CI ... CD, Jenkins, Docker, Ansible * Architecture & Patterns: MVC, SOLID, DDD, microservices, event ...

previous pagenext page

Showing results 21-40

All JobsNet Web Api Developer JobsNet Web Api Developer Jobs in Toronto, ON

Net Web Api Developer information

What is a .NET Web API developer?

A .NET Web API Developer is a software engineer who specializes in building and maintaining web APIs using Microsoft's .NET framework. These APIs enable different software systems to communicate over the web, often supporting front-end applications or mobile apps. The developer is responsible for designing, developing, testing, and deploying RESTful services that are secure, efficient, and scalable. They often work with technologies like C#, ASP.NET Core, and Entity Framework, and are skilled in integrating various data sources and services.

What are the key skills and qualifications needed to thrive as a .NET Web API developer?

To thrive as a .NET Web API Developer, you need solid programming skills in C#, experience with ASP.NET Core, and a good understanding of RESTful API design, typically supported by a degree in computer science or related field. Familiarity with development tools such as Visual Studio, version control systems like Git, and knowledge of cloud platforms (e.g., Azure) or certifications in .NET technologies are highly beneficial. Strong problem-solving abilities, effective communication, and the ability to work collaboratively make a developer stand out in this role. These skills ensure the creation of robust, scalable, and maintainable web services that meet business and user needs.

What are the most common challenges a .NET Web API developer faces when integrating APIs with front-end applications?

One of the most common challenges .NET Web API Developers encounter is ensuring seamless communication between the back-end APIs and diverse front-end frameworks. Issues such as handling CORS, authentication, consistent data formatting, and version control can arise during integration. Developers also need to coordinate closely with front-end teams to clarify API specifications and troubleshoot integration bugs. Proactive documentation, regular communication, and thorough testing are essential strategies to overcome these challenges, ensuring a smoother development workflow.

What is the difference between Net Web Api Developer vs ASP.NET Developer?

AspectNet Web Api DeveloperASP.NET Developer
Primary FocusDesigning and developing Web APIs for data exchangeBuilding web applications using ASP.NET framework
Required SkillsWeb API, C#, .NET, REST, JSONASP.NET, C#, MVC, Razor, Web Forms
Work EnvironmentBackend API development, server-side logicFull-stack or web application development
Common UsageCreating services for mobile apps, integrationsDeveloping enterprise web applications

While both roles involve .NET technologies, a Net Web Api Developer specializes in creating APIs for data exchange, whereas an ASP.NET Developer focuses on building complete web applications using ASP.NET frameworks. The roles often overlap but differ mainly in scope and primary responsibilities.

Are Net Web API developers in demand?

Net Web API developers are in high demand due to the widespread use of web services and cloud-based applications. Skills in C#, .NET framework, and RESTful API design are particularly valuable, and demand is expected to grow as businesses continue to develop scalable, secure web APIs. The role often requires knowledge of related technologies like SQL, Azure, and security protocols.

What are popular job titles related to Net Web Api Developer jobs in Toronto, ON?

For Net Web Api Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Net Web Api Developer jobs in Toronto, ON look for?

The top searched job categories for Net Web Api Developer jobs in Toronto, ON are:

Net Web Api Developer jobs near you
Infographic showing various Net Web Api Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% Internship, 82% Full Time, 12% Part Time, 1% Temporary, and 4% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution.

Senior Full-Stack Developer

Common CENTS Solutions

Markham, ON • On-site

CA$95K - CA$105K/yr

Full-time

Posted 7 days ago

Key responsibilities

  • Design, develop, and maintain scalable enterprise applications across web, API, and cloud platforms.

  • Build modern front-end applications using Angular and React.

  • Develop backend services and APIs using C#, .NET, and ASP.NET Core.

Job description

                                                                                    Job Description: 
Senior Full-Stack Developer
Location: Hybrid (Full-Time)Note: This role requires 1-2 times monthly to our Markham, ON office.
Department: R&D
Reports To: Development Manager / Director of Engineering

Salary Range: $95,000 - $105,000 CAD

About Premier Construction Software

Premier Construction Software is a leading cloud-based ERP platform serving the construction industry. Our platform combines financial management, project management, mobile solutions, reporting, integrations, AI-enabled capabilities, and modern cloud infrastructure to help construction companies operate more efficiently.

We are looking for a highly experienced Senior Full-Stack Developer who thrives in a fast-paced environment and enjoys solving complex business and technical challenges. You will play a key role in designing, developing, and evolving our cloud-native SaaS platform while helping shape the future of AI-driven software delivery.

Key Responsibilities
  • Design, develop, and maintain scalable enterprise applications across web, API, and cloud platforms.
  • Build modern front-end applications using Angular and React.
  • Develop backend services and APIs using C#, .NET, and ASP.NET Core.
  • Design and optimize SQL Server databases, queries, and stored procedures.
  • Contribute to architecture decisions, technical design reviews, and development standards.
  • Build and consume RESTful APIs and third-party integrations.
  • Develop cloud-native solutions within Microsoft Azure.
  • Participate in code reviews, mentoring, and engineering best practices.
  • Collaborate closely with Product, QA, Support, and DevOps teams.
  • Troubleshoot complex production issues and implement sustainable solutions.
  • Leverage AI-assisted development tools to improve productivity, quality, and delivery speed.
  • Support CI/CD pipelines and automated deployment processes through Azure DevOps.
Required QualificationsTechnical Skills
  • 7+ years of professional software development experience.
  • Strong expertise in:
    • C#
    • .NET / ASP.NET Core
    • SQL Server
    • REST APIs
    • Entity Framework
    • Azure Cloud Services
  • Strong front-end experience with:
    • Angular
    • TypeScript
    • HTML5
    • CSS/LESS
  • Experience developing scalable SaaS applications.
  • Experience with Azure DevOps, source control, pipelines, and release management.
  • Strong knowledge of software architecture and design patterns.
  • Experience performing code reviews and mentoring developers.
What Success Looks Like

Within your first 90 days, you will:

  • Become productive within the Premier codebase.
  • Contribute features and bug fixes across Cloud, Mobile, API, and Add-on platforms.
  • Participate in architecture discussions and technical reviews.
  • Demonstrate strong ownership and accountability for deliverables.
  • Embrace AI-assisted development practices and engineering excellence standards.
Preferred Characteristics
  • Strong problem-solving skills.
  • Excellent communication and collaboration abilities.
  • Bias for action and continuous improvement.
  • Ability to work independently while supporting team success.
  • Passion for modern software engineering and emerging AI technologies.
  • Comfortable working in a globally distributed development team.
Technology Stack

Backend

  • C#
  • .NET / ASP.NET Core
  • SQL Server
  • Entity Framework
  • REST APIs
  • OData

Frontend

  • Angular
  • React
  • TypeScript
  • JavaScript
  • HTML5
  • CSS / LESS

Cloud & DevOps

  • Microsoft Azure
  • Azure App Services
  • Azure SQL
  • Azure Storage
  • Azure DevOps
  • CI/CD Pipelines

AI & Productivity

  • Cursor AI
  • GitHub Copilot
  • Microsoft Copilot
  • Azure OpenAI

Development Tools

  • Visual Studio 2022
  • SQL Server Management Studio
  • Postman
  • Azure Storage Explorer
                                                                                    Business Unit: Premier                                                                                    Scheduled Weekly Hours:37.5                                                                                    Number of Openings Available: 1                                                                                    Worker Type: Regular More About Jonas Software:

Jonas Software is a leading provider of enterprise management software solutions, serving a wide range of vertical markets including hospitality, healthcare, construction, education, personal care, fitness, leisure, moving and legal services, to name a few. Within these markets, Jonas is comprised of over 65 distinct brands, each a respected leader in its domain.

Jonas' vision is to be the branded global leader across these verticals and to be recognized by customers and industry stakeholders as the trusted provider of "Software for Life." We are committed to technology, product innovation, quality, and exceptional customer service.

Jonas Software supports over 60,000 customers in more than 30 countries. We employ over 6,000 skilled professionals, including industry experts and technology specialists. Across our broader network, we support a global workforce of more than 30,000 employees.

Headquartered in Canada, Jonas Software has a global footprint with offices around the world. We're a 100% owned subsidiary of Constellation Software Inc., based in Toronto, publicly listed on the TSX (CSU.TO), and a member of the S&P/TSX 60 Index.

Apply