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Junior web developer Jobs in Old toronto, ON

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Junior web developer • old toronto 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

Software Developer – Junior

UpstaffToronto, ON, ca
Full-time
Quick Apply

Government Services Integration Cluster.Ministry of Public and Business Service Delivery and Procurement.September 10, 2026 – March 31, 2027.The Government Services Integration Cluster is seeking.T... Show more

 • New!

Cocos2d-x Junior Game Developer

YO AI LabsToronto, ON, Canada
Remote
Full-time
Quick Apply

Cocos2d-x Junior Game Developer.In this role, you'll apply your expertise to help train next-generation AI systems.Your work will shape how models learn, reason, and perform through high-quality, r... Show more

Junior Copywriter

Klick HealthToronto, Ontario, Canada
Full-time

The Junior Copywriter supports the development of clear, compelling copy across digital, print, and video channels within a regulated healthcare environment.This role works closely with Creative Di... Show more

Quant Developer

Royal Bank of Canada>TORONTO, Canada
CA$80,000.00–CA$130,000.00 yearly
Full-time

As a Quantitative Developer in RBC Global Asset Management’s Toronto office, you will be a key partner to the Quantitative Research and Investments team.You will deliver custom technology and analy... Show more

Software Developer - Junior

Innosystech IncToronto, ON, Canada
Full-time
Quick Apply

Job Title:</b> Software Developer - Junior</p> <p><b>Location:</b> Toronto, ON</p> <p><b>Work Model:</b> Onsite</p> <p><b>... Show more

 • New!

RQ11579 - Software Developer - Junior

MaarutToronto, ON, ca
Full-time

Required to translate technical systems specifications into working, tested applications.Resolves and troubleshoots technical problems which arise during the use and operation of software packages,... Show more

Junior Accountant

NPA WorldWideToronto, Ontario, Canada
Full-time +1

The Junior Accountant will support the Accounts Payable and Accounts Receivable functions while reporting to the Assistant Controller.This position is ideal for someone with a basic understanding o... Show more

 • Promoted

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

Full Stack Java Developer - Spring Boot, Microservices, Kubernetes, Azure

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

Full Stack Java Developer - Spring Boot, Microservices, Kubernetes, Azure.Core: Java (solid junior acceptable), Spring Boot, Microservices, Kubernetes.API: Gateway, versioning, exception handling, ... 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

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

Salesforce Developer

MonerisToronto
Full-time

Your Moneris Career – The Opportunity.As a Salesforce Developer, you will help design and deliver scalable solutions across Sales Cloud, Experience Cloud, and Revenue Cloud to support key business ... 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

Junior Oracle Developer

Teckhorizon IncToronto, ON, Canada
Full-time
Quick Apply

Our Client is looking for a Junior Software Developer with hands-on experience in Oracle E-Business Suite, PL/SQL, SQL, ETL and enterprise application development to support a large public-sector e... Show more

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Junior Oracle E-Business Suite Developer

Cleo ConsultingToronto, ON, Canada
Full-time
Quick Apply

Assignment: RQ11579 - Software Developer - Junior</b></div> <div><b>Job Title: Junior Oracle E-Business Suite Developer</b></div> <div><b>Requisition... 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

Senior Software Developer, Developer Experience (DevX)

RobinhoodToronto, Canada
CA$166,000.00–CA$195,000.00 yearly
Full-time

Join us in building the future of finance.Our mission is to democratize finance for all.The largest transfer of wealth in human history.If you’re ready to be at the epicenter of this historic cultu... Show more

People also ask
Senior Web Developer

Senior Web Developer

Flexstaf ITToronto, ON, Canada
21 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)