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Senior Web Developer Jobs in Innisfil, ON (NOW HIRING)

They will help architect, develop, implement a secure operating environment for our web and API based solutions while adhering to Cority standards. The Sr. DevOps Engineer identifies and optimizes ...

We are looking for an experienced Senior Front-End Software Developer to help us craft scalable, accessible, and ultra-responsive web experiences. In this role, you will write clean, testable code to ...

Senior Software Developer

Toronto, ON

CA$96K - CA$142K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Zynga is looking for a Senior Software Engineer to join the Data Ingestion team in our Analytics ... web, console, pc) * Work closely with product teams to translate business requirements into ...

Senior DevOps Engineer

Toronto, ON

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior DevOps Engineer Position: Full time Location: Toronto, Ontario (Initially Remote) About Us ... across the web. Through the company's proprietary search engine, ontology and knowledge graph ...

Senior / Staff Software Engineer, Web Tools

Toronto, ON · On-site +1

CA$141K - CA$249K/yr

  • Medical

  • Dental

  • Vision

  • PTO

... Engineers and Researchers using an AI-first approach to enable safe self-driving at scale. - Build and maintain interactive web tools including interactive simulation, custom labelling tools, data ...

Showing results 21-40

Senior Web Developer information

What are some common challenges faced by senior web developers when leading project teams?

Senior Web Developers often encounter challenges such as balancing hands-on coding responsibilities with mentoring junior team members and ensuring project deadlines are met. They must also navigate evolving technologies and frameworks, which requires ongoing learning and adaptability. Effective communication with designers, backend developers, and project managers is essential to align technical solutions with business goals. Successfully managing these aspects leads to smoother project delivery and professional growth.

How much does a senior web developer earn?

A senior web developer's salary typically ranges from $80,000 to $130,000 annually, depending on experience, location, and industry. They often possess skills in JavaScript, HTML, CSS, and frameworks like React or Angular, and may hold certifications that enhance their earning potential.

What is a senior web developer?

A senior web developer is a highly skilled computer coding professional with fluency in languages such as HTML, JavaScript, and CSS. In this career, your responsibilities include designing, developing, and debugging the backend of software programs for websites, applications, tools, and databases. You also work with JavaScript frameworks, develop tests using testing frameworks, help build and deploy automation scripts, troubleshoot, and resolve app performance issues. As a senior web developer, you may supervise a team of developers and collaborate with user experience designers to determine what the frontend user experience and website layout will look like during the design phase. Other duties may include enforcing coding standards, reviewing the work completed by your team, managing the budget and project schedule, and communicating directly with clients.

What is the difference between Senior Web Developer vs Web Developer?

AspectSenior Web DeveloperWeb Developer
Required CredentialsBachelor's in CS or related, experience, possibly certificationsBachelor's in CS or related, entry-level or junior experience
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops websites, learns on the job, less responsibility
Employer & Industry UsageTech companies, agencies, startupsSmall businesses, startups, freelance projects
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level, learning web development

The main difference between a Senior Web Developer and a Web Developer lies in experience, responsibilities, and expertise. Senior Web Developers handle complex projects, mentor team members, and often have more advanced skills and certifications. Web Developers are typically entry-level or junior roles focused on building websites and gaining experience. Both roles are essential in the tech industry, but the senior position involves greater leadership and technical depth.

What are the key skills and qualifications needed to thrive as a senior web developer, and why are they important?

To thrive as a Senior Web Developer, you need advanced proficiency in programming languages like JavaScript, HTML, CSS, and backend frameworks, supported by a bachelor’s degree in computer science or equivalent experience. Expertise in tools such as version control (Git), CI/CD pipelines, and knowledge of modern frameworks (React, Angular, Node.js) are typically required, along with relevant certifications. Strong problem-solving ability, effective communication, and leadership skills help you collaborate across teams and mentor junior developers. These competencies ensure high-quality, scalable web solutions and support successful project delivery in dynamic development environments.

What are the most commonly searched types of Web Developer jobs in Innisfil, ON?

The most popular types of Web Developer jobs in Innisfil, ON are:

What cities near Innisfil, ON are hiring for Senior Web Developer jobs?

Cities near Innisfil, ON with the most Senior Web Developer job openings:

Infographic showing various Senior Web Developer job openings in Innisfil, ON as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 13% Part Time, and 8% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

RQ10475 - Sr. Software Developer

Source Code

Toronto, ON

Contractor

Re-posted 2 hours ago


Job description

RQ10475 - Sr. Software Developer

9+ month contract (182 business days) - possible extension

ONSITE 5 days - 40 St. Clair Ave. W

Must haves:

  • Some experience in developing UI applications using the latest web UI framework such as AngularJS and NodeJS
  • Demonstrates experience in Restful WebServices
  • Demonstrated experience with Javascript
  • Demonstrates Web design and development experience, including Hyper Text Mark-up
  • Language (HTML), Asynchronous JavaScript and XML (AJAX), Cascade Style Sheets
  • (CSS); Connectivity/Structured Query Language (JDBC/SQL)
  • Demonstrates experience with IBM WebSphere and Liberty
  • 10+ years of experience with the design and development of common utility components using JEE
  • AODA

Nice-to-have:

  • Experience with OPS permitting platforms or similar public sector modernization initiatives.

Description:

To respond to the priorities of the Government of Ontario through the passage of the Bill 5, Protect Ontario by Unleashing Our Economy Act 2025, the resource may be partially assigned to Bill 5 related projects or initiatives on an as needed basis.

A senior programmer developer is required to support two Permissions Enterprise Platform (PEP) projects to meet the requirements related to permit modernization and integration with the Centralized Digital Permitting System (CDPS):

  1. Enhanced EASR Service (Faster Options) - 66% allocation or 120 days of effort
    1. Onboarding of new EASR activities on the CDPS platform
  2. PEP Continuous Improvement - 34% or 62 days of effort
    1. Integration between PEP and CDPS including
      1. redirection from CDPS to existing PEP systems and processes for permit submission
      2. API integration with PEP/Permit Tracker for permission status reporting within CDPS

Responsibilities

  • Design, develop, test, and maintain high‑quality Java applications across the full software development lifecycle (SDLC).
  • Build and enhance applications using Java, Spring Boot, JPA, EJB, Angular, NodeJS, and modern PDF-generation tools such as iText or Apache Velocity.
  • Develop and integrate robust RESTful and SOAP web services to support secure and scalable system interactions.
  • Design and implement microservices architectures and contribute to distributed systems development.
  • Develop and maintain cloud-enabled solutions leveraging Azure Cloud services, CI/CD pipelines, containerization (Docker), and infrastructure automation.
  • Prepare deployment packages, support production deployments, and coordinate releases across multiple environments (Dev, QA, UAT, Prod).
  • Implement, update, and optimize complex business rules using IBM Operational Decision Manager (ODM).
  • Integrate applications with IBM Business Automation Workflow (BAW) for workflow orchestration and automation.
  • Develop and support applications running on IBM WebSphere and Liberty 8.x application servers.
  • Work with middleware, enterprise gateways, and various communication protocols to enable secure and reliable system integration.
  • Write complex PL/SQL queries, stored procedures, data transformation scripts, and design staging structures for migration activities.
  • Support relational and hierarchical databases and contribute to end‑to‑end data migration initiatives.
  • Work with OpenText Content Management APIs to update metadata, maintain data integrity, and support enterprise content management flows.
  • Develop accessible, AODA‑compliant user interfaces and generate accessible documents (including PDFs) aligned with GO‑ITS 54 standards.
  • Contribute to public‑sector permitting systems and ensure compliance with Ontario Government IT standards and enterprise integration requirements.
  • Use the Red Hat OpenShift Console to deploy, monitor, and manage cloud‑native applications and containerized workloads.
  • Participate actively in Agile Scrum ceremonies and collaborate closely with Business Analysts, QA teams, architects, and product stakeholders.
  • Maintain, update, and produce system design documents, architecture diagrams, technical specifications, and deployment guides.
  • Conduct unit, regression, load, and functional testing to ensure high‑quality, defect‑free deliverables.
  • Perform code reviews, enforce best practices, and provide accurate effort and timeline estimates.
  • Track and report development progress using Kanban tools and participate in technical or project leadership meetings.
  • Manage multiple tasks simultaneously, prioritize effectively, and adapt to fast‑paced, high‑pressure project demands.
  • Demonstrate strong analytical thinking, problem‑solving abilities, communication skills, and teamwork across all stages of development.

Skills & Qualifications:

Core Development Skills

  • Extensive experience across the full software development lifecycle (SDLC), including design, coding, testing, debugging, deployment, and maintenance.
  • Proficient in Java and related technologies including Spring Boot, JPA, EJB, Angular, NodeJS, Jasper Reports, and PDF generation.
  • Strong experience in building and integrating RESTful and SOAP-based web services.
  • Skilled in developing microservices-based applications and distributed systems.

Cloud & DevOps

  • Hands-on experience with Azure Cloud services and DevOps practices including CI/CD pipelines, containerization (e.g., Docker), and infrastructure automation.
  • Experience in preparing deployment packages and coordinating releases across multiple environments.

Business Rules & Integration

  • Proven expertise in developing complex applications using IBM Operational Decision Manager (ODM).
  • Experience integrating with IBM Business Automation Workflow (BAW) for process orchestration and automation.
  • Experience with JEE application servers, including IBM WebSphere and Liberty 8.x.
  • Familiarity with middleware, gateways, and various communication protocols.

Database

  • Strong experience with PL/SQL, including writing complex queries++.
  • Proficient in relational and hierarchical database technologies.

Content Management Systems

  • Experience working with OpenText Content Management System APIs, with a focus on updating and maintaining metadata accuracy and integrity.

Accessibility & Standards Compliance

  • Experience developing AODA-compliant user interfaces and accessible documents (including PDFs).
  • Familiarity with Ontario Government IT standards (GO-ITS 54) and accessibility best practices.

Public Sector Experience

  • Experience working with permitting platforms within the Ontario Public Service (OPS) or other public sector environments, including integration with enterprise systems and compliance with government standards.

Agile & Collaboration

  • Comfortable working in Agile Scrum environments and rapid application development (RAD) frameworks.
  • Effective team player with excellent analytical, problem-solving, and interpersonal skills.
  • Experienced in collaborating with business analysts, QA, and system architects throughout the development lifecycle.

Documentation

  • Experience updating and maintaining design and architecture documentation to reflect evolving system components and integration points.
  • Skilled in producing technical documentation, deployment guides, and user/system manuals.

Quality Assurance & Estimation

  • Committed to delivering defect-free, well-tested code through unit, functional, load, and regression testing.
  • Skilled in conducting design/code reviews and providing accurate effort estimates.
  • Experienced in reporting progress in Kanban settings and leading project meetings.

Work Environment & Soft Skills

  • Able to handle multiple tasks simultaneously and work effectively under pressure in fast-paced environments.
  • Strong organizational and time management skills with a consistent track record of meeting deadlines.

Tools:

  • Application Modeling Tool: Rational Software Architect v.8.0
  • Application Server: IBM WebSphere Application Server (ND) 8.x, IBM Business Automation Workflow 8.6.x, Liberty 8.x, IBM Operational Decision Manager 8.x
  • Database: Microsoft Access, Oracle Enterprise Edition , 11g,
  • Database Design Tool: Oracle Designer 11g,19c
  • Development Environment: Websphere BPM v 8x, IBM ODM(ILog/JRule), Liberty 8.x
  • Development Language / Runtime Environment: Java Enterprise Edition,Java, JavaScript , VB Script, HTML, DHTML, XML, AJAX
  • Office Automation Tools: Microsoft Office, including Exchange/Outlook
  • Operating Systems: Linux, Windows Server 2008 Enterprise Edition - sp2
  • Tools: IBM/Rational Products, Requirement Composer, Rational Application Developer for Websphere, Liberty 8.x
  • Testing Tools : IBM AppScan Version 8.5, Selenium, Azure Dev Ops Test Plan
  • Web Browser: Chrome, Internet Explorer, Firefox
  • Web Server: IBM HTTP Version 1.3.26 and IIS

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $74.34/hr - $89.21/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $59.48/hr - $71.37/hr T4