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Web developer Jobs in North York, ON

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Web developer • north york on

Last updated: 3 hours ago

Senior Web Developer

Flexstaf ITToronto, ON, Canada
Full-time
Quick Apply

Web Services & Application Developer.SQL Server capabilities to maintain, modernize, and enhance legacy web applications, REST services, and SOAP web services.In this role, you will bridge the ... Show more

WordPress Web Developer and Automations Specialist

Yorkville UniversityToronto, ON, CA
CA$80,000.00 yearly
Full-time
Quick Apply

Who we are At Yorkville University and Toronto Film School, we believe education is more than the pursuit of knowledge – it is a catalyst for transformation.Our mission, grounded in democrati... Show more

 • New!

RQ11647 - Web Specialist - Intermediate

MaarutToronto, ON, ca
Full-time

Website and webpage development technical skills, including graphics design of web components to transform an online public facing website and internal intranet site.By working with key stakeholder... Show more

Software Developer - Frontend Enterprise Web Applications Development

CIeNET InternationalMarkham, ON, CA
Full-time
Quick Apply

Location: Markham, Ontario, Canada.Position: Software Developer - Frontend Enterprise Web Application Development.CIeNET is a mobile, automotive, telecom and enterprise software services and soluti... Show more

Android Developer

Astra North Infoteck Inc.Toronto, ON, ca
Full-time
Quick Apply

Android Developer – Kotlin, Jetpack Compose & Android Studio.Schedule: 3 days onsite per week (Tuesday-Thursday).We are seeking an experienced Android Developer with 6-8 years of mobile applica... Show more

Rust Developer

TuringToronto, Ontario, Canada
CA$200.00–CA$300.00 daily
Full-time
Quick Apply

Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.Turing support... Show more

Software Developer

OceanMDToronto, ON, CA
CA$90,000.00 yearly
Full-time
Quick Apply

Join us as we change healthcare for the better.OceanMD, a WELL Health Company, is the leading provider of EMR-integrated Patient Engagement and eReferral tools in Canada, playing a critical role in... Show more

Web Developer

Foresters FinancialToronto, Ontario
CA$59,000.00 yearly
Full-time

Responsible for developing key code components in Sitecore framework, including templates, pages, components, and integrated services.Responsible for working on existing services code as well as de... Show more

Concepteur Web

The Home Depot CanadaToronto, ON, CA
CA$105,000.00 yearly
Full-time

Vous aimez aider les autres à réussir et laisser votre marque? Vous éprouvez de la fierté à guider les clients vers les bonnes solutions pour leurs projets? Si, en plus de cela, vous êtes de nature... Show more

Web Specialist – Intermediate

UpstaffToronto, ON, ca
Full-time

Justice Technology Services (JTS), Ministry of Public and Business Service Delivery and Procurement.Monday–Friday, generally between 8:00 AM and 5:00 PM excluding breaks.Justice Technology Services... Show more

Conseiller en architecture logicielle senior Web

TEHORAToronto, ON, CA
Full-time
Quick Apply

TEHORA est présentement à la recherche d’un(e) conseiller(ère) en architecture logicielle senior spécialisé(e) dans les environnements Web afin de participer à la conception, à l’évolution et à la ... Show more

Application Developer

Livingston InternationalToronto, ON, CA
Full-time

Join Livingston and grow your career in the constantly changing world of international trade.Livingston is a market leader offering customs brokerage, international trade consulting, compliance and... Show more

Full Stack Web Developer

Shop InnovatorToronto, Ontario, Canada
Remote
Full-time
Quick Apply

We are looking for a talented and reliable .This role will involve working on a variety of projects, including.Shopify apps, and ongoing Shopify store updates.This is a remote role, and the se... Show more

Intermediate Web Specialist

Randstad CanadaToronto, Ontario, CA
Temporary
Quick Apply

We are seeking an experienced Intermediate Web Specialist to design, develop, and modernize enterprise public-facing websites and internal intranet platforms.In this role, you will collaborate with... Show more

Web Specialist - Intermediate

Innosystech IncToronto, ON, Canada
Full-time
Quick Apply

Job Title:</b> Web Specialist - Intermediate</p> <p><b>Location:</b> Toronto, Ontario</p> <p><b>Work Model:</b> Onsite</p> <p>&l... Show more

Coop Researcher Web & AI

Huawei Technologies Canada Co., Ltd.Markham, ON, CA
Internship

Huawei Canada has an immediate co-op opening for a Researcher.The Web, Windowing, and Graphics Team, currently a part of the Toronto Research Centre, explores innovative architectures to enhance th... Show more

RQ11647 - Web Specialist - Intermediate I

Analyst Technical SolutionsToronto, ON, Canada
Full-time
Quick Apply

RQ11647 - Web Specialist - Intermediate.Organization: Justice Technology Services.Ministry: Ministry of Public and Business Service Delivery and Procurement.Work Arrangement: Onsite – 5 days per we... Show more

Automation Developer

Cleo ConsultingToronto, ON, Canada
Full-time
Quick Apply

Assignment: RQ11677 - Automation Developer - Senior</b></div> <div><b>Job Title: Automation Developer</b></div> <div><b>Requisition (SS): RQ11677<... Show more

 • New!

MLOps Developer

TEEMAToronto, ON
CA$115,000.00–CA$120,000.00 yearly
Permanent

Work closely with developers and the DevOps team to oversee deployments and code releases.Maintain, own, and improve the build and deploy pipeline.Administration and automation of the AWS and GCP i... Show more

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Senior Web Developer

Senior Web Developer

Flexstaf ITToronto, ON, Canada
22 days ago
Job type
  • Full-time
  • Quick Apply
Job description

We are seeking an experienced Web Services & Application Developer with strong C#, ASP.NET, and SQL Server capabilities to maintain, modernize, and enhance legacy web applications, REST services, and SOAP web services. In this role, you will bridge the gap between web application maintenance and backend service integration, ensuring system stability, building secure APIs, and optimizing complex database workflows.

Key Responsibilities

  • Application & API Development: Design, build, and maintain Web API services, REST Services, SOAP web services, and existing ASP.NET applications using C#, .NET Framework, HTML5, CSS3, JavaScript, and AJAX.
  • Service Integration & Modernization: Develop and consume RESTful APIs and SOAP/WCF web services to enable seamless integration across enterprise platforms and legacy architectures.
  • Backend Data Engineering: Write complex SQL queries, stored procedures, user-defined functions, triggers, and views in T-SQL, optimizing database performance and data exchange workflows.
  • Legacy Refactoring & Security: Identify performance bottlenecks in web applications and web services; refactor and optimize C# code and database scripts for performance, scalability, and security (e.g., OWASP compliance, SQL injection prevention).
  • System Support & Integration: Support system integration testing, debug web service communication, resolve production issues, and document technical architecture and API endpoints.

Required Qualifications

  • Experience: 5+ years of professional software development experience with C#, ASP.NET, Web Services, and Microsoft SQL Server.
  • Core Tech Stack: Deep proficiency in C#, ASP.NET, REST Services (Web API), and SOAP Services (WCF / ASMX), alongside front-end fundamentals (JavaScript, jQuery, HTML5, CSS3).
  • Web Services & API Design: Strong hands-on experience designing, consuming, and securing RESTful JSON endpoints and XML-based SOAP contracts (WSDL, XSD, SOAP envelopes).
  • T-SQL Mastery: Advanced skills in writing and optimizing complex T-SQL queries, stored procedures, execution plans, and database indexing to support service payloads.
  • Version Control: Experience with Git, Azure DevOps, or Team Foundation Server (TFS).

Preferred Qualifications

  • Experience migrating legacy ASP.NET applications and SOAP services to modern frameworks (ASP.NET Core, RESTful microservices, Angular, or React).
  • Deep understanding of IIS server configuration, SSL/TLS certificates, and API security authentication models (OAuth 2.0, JWT, API Keys, Basic Auth).
  • Knowledge of cloud platforms (Azure Web Apps, Azure API Management, Azure SQL) or C# unit testing frameworks (xUnit, NUnit, Moq)