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

Jay Analytix

Python Developer

Toronto, ON · On-site

Knowledge of RESTful API design and development. * Understanding of web development concepts (HTML ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

Jay Analytix

Python Developer

Toronto, ON · On-site

Knowledge of RESTful API design and development. * Understanding of web development concepts (HTML ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

United Airlines

.NET Developer

Toronto, ON · On-site

OAuth 2.0, OpenID Connect, JWT, and API Gateway patterns Write unit, integration, and contract ... DevOps / Jenkins / GitHub Actions) Monitor and troubleshoot production systems using tools like ...

Fintros

React Developer

Toronto, ON · On-site +1

We have a well-documented micro-architecture service written in either Python (Flask) or Rails API ... web kit. Our AWS Lake Formation data team currently enriching over 28.6M entity types (including ...

Fintros

React Developer (Remote)

Toronto, ON · Remote

We have a well-documented micro-architecture service written in either Python (Flask) or Rails API ... web kit. Our AWS Lake Formation data team currently enriching over 28.6M entity types (including ...

Varicent

Director, Offensive Security

Toronto, ON · On-site

CA$138K - CA$181K/yr

... Engineering, Product, Security, Compliance, and Legal teams. What You'll Do Lead the Offensive ... Oversee web, API, mobile, cloud, and AI-enabled security testing. * Lead red team operations ...

Survalent

Software Developer (C++/C#)

Mississauga, ON

CA$12K - CA$140K/mo

Software Developer (C++/C#) (Hybrid) Mississauga, Ontario, Canada Behind every utility control room ... Help grow our platform's footprint into API and web development. * Profile, debug, and optimize ...

Varicent

Director, Offensive Security

Toronto, ON

... Engineering, Product, Security, Compliance, and Legal teams. What You'll Do Lead the Offensive ... Oversee web, API, mobile, cloud, and AI-enabled security testing. * Lead red team operations ...

Citi

Lead Java Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Role Summary: We are looking for a Java Engineer to design, build, and support modern web APIs. This role focuses on back-end services (Java/Spring Boot), with API-first, microservices-based ...

Citi

Lead Java Full Stack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

... API-first, microservices-based architecture and CI/CD-driven delivery ... Key Responsibilities Develop and maintain web applications across the stack: UI, APIs, and backend ...

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Be Seen First

Senior Software Developer (Full Stack)

Mississauga, ON · On-site

CA$120K/yr

Design, code, and maintain scalable web applications and microservices using Node.js, C#, C++, and ... Maintain clean system architecture designs, API specifications, and developer documentation.

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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 September 2026, with employment types broken down into 1% Internship, 74% Full Time, 18% Part Time, 1% Temporary, and 6% Contract. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution.

Python Developer

Jay Analytix

Toronto, ON • On-site

Contractor

Re-posted 21 days ago

Job description

Location: Toronto/Montreal

Experience: 7+

What do you need to succeed?

  • Bachelor's degree in Computer Science, Computer Engineering or a related field
  • Proficiency with Linux platform, and CI/CD integration tools
  • Proficiency in Python and Flask framework.
  • Strong understanding of React.js and its core principles.
  • Experience with relational databases (e.g. MySQL, MS SQL Server).
  • Familiarity with version control systems (e.g., Git).
  • Knowledge of RESTful API design and development.
  • Understanding of web development concepts (HTML, CSS, JavaScript).
  • Ability to write unit and integration tests.
  • Strong problem-solving and analytical skills.
  • Excellent communication and collaboration skills.
  • Experience with Agile development methodologies is a plus.
  • Familiarity with data analysis tools is a plus

What will you do?

Front-end Development (React):

  • Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript.
  • Migrating legacy JS front-end to latest platform
  • Build reusable components and libraries for future use.
  • Optimize front-end performance for responsiveness and speed.
  • Collaborate with designers to implement UI/UX designs.
  • Troubleshoot and debug front-end issues.

Back-end Development (Flask):

  • Design and implement web applications using the Flask framework.
  • Develop and maintain RESTful APIs.
  • Work with databases and manage data flow.
  • Ensure code quality and maintainability.
  • Collaborate with front-end developers to ensure seamless integration.

General Development:

  • Write clean, efficient, and maintainable code.
  • Identify and address performance bottlenecks to ensure a smooth user experience
  • Contribute to data collection and analytics
  • Work with the application with other core services and integrate front-end elements
  • Stay up-to-date with the latest web technologies and best practices.
  • Troubleshoot and debug issues promptly.
  • Thoroughly test and debug code to ensure application stability and performance
        Employment Type: CONTRACTOR

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