Front End Developer

Cleo Consulting; Ontario; On-site; CAD 80,000 - 120,000; Full time

Job summary

Cleo Consulting seeks a Senior Front End Developer to create high-quality web applications utilizing React and Next.js. The ideal candidate will bring extensive experience in developing responsive designs, collaborating with cross-functional teams, and adhering to accessibility standards while delivering robust software solutions.

Qualifications

• 3+ years experience in React.
• 5+ year experience in Cloud-Native application design.
• Must have hands-on experience with Git and DevOps CI/CD.

Responsibilities

• Develop high-quality front-end code based on UI/UX designs.
• Implement designs directly into React/Next applications.
• Support Quality Assurance & Defect Management processes.

Skills

React

Next.js

JavaScript and TypeScript

Node.js

REST APIs

Responsive Web Design

Agile/Scrum Methodology

Web Content Accessibility Guidelines (WCAG)

Git

Problem Solving

Job description

Assignment: RQ09509 - Software Developer- Front End - Senior Job Title: Front End Developer Requisition (SS): RQ09509 Start Date: 2025-07-21 Client: Labour and Transportation Cluster End Date: 2026-03-31 Office Location: 87 Sir William Hearst Ave., Toronto, Ontario M3M 0B4 Organization: Labour and Transportation Cluster Extension # of Days: 250.00 Ministry: Ministry of Public and Business Service Delivery and Procurement # Business Days: 190.00 Candidate is required to come in office 3 days a week

Must have:

• React
• Next.JS

Additional Notes:

• The HM is looking for a senior Front-end Developer, not full-stack developers.

Description

Deliverables

• As a front end developer, work with Business Analysts / Product Manager / Cloud Architect / backend developers, base on storyboard, user stories, UI/UX artefacts, solution architecture, security requirements, data models, develop high-quality front-end code, deliver quality software products (including Minimal Viable Products and Cloud-Native Web Application products, AODA compliance) as required.
• Collaborate with developers to implement designs directly into React/Next applications.
• Maintain design consistency and adhere to brand guidelines across all projects.
• Stay updated with the latest UI/UX design trends and best practices.
• Support Quality Assurance & Defect Management, including Unit Test, Test Automation, Penetration / Vulnerability Test, Load Test, AODA Test, system / user test, migration test, etc.
• Provide critical application support (incident investigation, troubleshooting, interim / long-term fixes, maintenance / incremental changes, etc.) for complex production enterprise Applications.
• Strong understanding of UI design principles.
• Strong communication and teamwork skills.
• Experience in Agile/Scrum methodology for the development, design, implementation, and maintenance of applications.
• Experience in design, code, test and debugging applications.
• Excellent analytical, problem-solving, and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills
• Design and develop responsive web interfaces that work seamlessly across online and mobile devices.
• Proven experience as a web developer with a strong portfolio showcasing mobile and responsive designs.
• Collaborate with UX/UI designers to translate mobile and responsive designs into functional code.
• Ability to adapt to changing business needs with proven track record for meeting deadlines.
• Ability to work independently and as part of a team.

Skill Set

• Integrating Front-End UIs with the constructed RESTful API's
• 3+ years experience in React with related skills:
  • HTML + CSS
  • JSX
  • Node + NPM
  • Javascript ES6
  • Fetch Data from Rest APIs
  • NextJS
• Secure web application under OWASP guideline and rules
• 5+ year experience and knowledge in Cloud-Native application design, Agile, DevOps Continuous Delivery / Continuous Integration methodologies / processes.
• understand web application security, authentication, access control, HTTPS, TLS, SSO, Pen Test, input validation, CORS, WAF and etc.
• Knowledge of web accessibility / AODA compliance, (for example, validation and remediation using WAVE, AXE tools), DevOps CI/CD pipeline.
• Front End Skills Knowledge and experience coding and using basic artwork to deliver a complete user interface.
• Experience creating web interfaces for large websites.
• Experience with Cross browser compatibility.
• Deep knowledge of common authentication technologies, browser-based security controls, and standard web application security tools

Experience and Skill Requirements

Technical Skills - 65%

• Must have (45%)
  • React
  • REST APIs
  • JavaScript and TypeScript
  • Node.js
  • NextJS
  • Knowledgeable in Web Content Accessibility Guidelines (WCAG) for web application development.
  • Must have hands-on experience with Git, SVN, Git Pull Request and branching strategy.
  • Must have hands-on experience with Swagger-UI, Postman, OAuth/JWT
  • Experience with common React libraries such as Hook Form, React Query, Zustand etc.
• Nice to have (20%)
  • Responsive Web front-end, Web APIs, and web services design, development, and testing
  • Unit testing and test automation support (e.g. NUnit, XUnit, MSTest, Karma or Jasmine)
  • JSON
  • Rest API, SpringBoot.
  • Regression testing (manual and automated), including familiarity with web-based QA automation software such as Playwright, and supporting the use of such tools via coding techniques
  • Use CI/CD pipeline to build and deploy the application.

Agile Delivery Team Experience - 20%

• Experience participating in Scrum Agile development.
• Experience contributing as a Developer or Tester (QA) in a balanced team which is comprised of roles including Developers, Testers, product Management, and Design
• Experience participating and contributing to task planning, daily stand ups, iteration demos, and review meetings.
• Providing input to development estimates and designs
• Experience working with a team using concurrent development practices including Git-based source control, feature branches, and DevOps CI/CD pipelines.

Business Analysis - 10%

• Experience translating business requirements into software code/implementations.

Soft Skills - 5%

• Excellent analytical, problem-solving, and decision-making skills
• Oral and written communication skills; interpersonal and negotiation skills
• Highly developed interpersonal skills