Web Application Development Jobs in Ontario (NOW HIRING)

Location: Markham, Ontario, Canada

Position: Senior Software Developer - Full Stack Web Application Development

CIeNET is a mobile, automotive, telecom and enterprise software services and solutions research, engineering and development company founded in the U.S. in the year 2000. We currently have over 2,000 employees worldwide, supporting customers in North America, Asia and Europe. We have over ten locations across US, Canada, Mainland China and Taiwan. CIeNET has been named Global Outsourcing 100 in sixteen consecutive years. CIeNET became an ALTEN Group company in 2021.

CIeNET is seeking a Senior Full Stack Software Developer to design, develop, and enhance a suite of business web applications. In this role, you will collaborate closely with customer stakeholders, product owners, and cross-functional engineering teams to clarify business requirements, define technical solutions, and deliver scalable, high-quality enterprise applications that improve operational efficiency and user experience.

The ideal candidate is a hands-on software engineer with strong systems thinking, excellent communication skills, and the ability to own features end-to-end—from concept through production—while working effectively across both business and engineering teams.

CIeNET Canada welcomes skilled, dedicated, innovative, and motivated professionals to join our team and build a promising career with us.

Role Summary

The Full Stack Web Application Developer will be a key addition to our North America team and an integral part of CIeNET’s larger engineering organization, supporting a high-profile, industry-leading client. In this role, the individual will collaborate closely with the client in the US and our engineering team in Taipei to develop, integrate, and deploy the AI-powered Pops Applications.

Excellent English communication skills are essential, as the role involves direct interaction with the customer. Proficiency in Mandarin is a strong asset and will help facilitate effective collaboration with the Taipei team.

Key Responsibilities

• Design, develop, and maintain scalable full stack web applications, including frontend, backend services, APIs, databases, and system integrations.
• Partner with customer stakeholders and product owners to clarify business requirements and translate them into technical solutions.
• Drive technical discussions and collaborate with development, QA, and DevOps teams to resolve implementation, testing, environment, and data-related issues.
• Modernize and enhance existing applications while maintaining legacy systems where appropriate.
• Troubleshoot production issues, identify root causes, and improve system reliability and performance.
• Participate in system design, architecture reviews, and code reviews to ensure scalable and maintainable solutions.
• Continuously improve engineering practices, software quality, and development efficiency.
• Take ownership of features throughout the software development lifecycle, from design to production support.

Preferred Qualifications

• Experience with Spring Boot or similar Java frameworks.
• Experience with asynchronous processing, job scheduling, or workflow orchestration.
• Experience with CI/CD, Docker, Kubernetes, or cloud-native application development.
• Experience working with HR, ERP, CRM, or other enterprise business applications.
• Experience working in Agile and globally distributed engineering teams.

Requirements

Required Skills and Experiences:

• 3 - 7 years of professional software development experience building enterprise web applications.
• Strong proficiency in Java; experience with Kotlin is preferred.
• Experience with at least one modern frontend framework (React, Typescript, Angular, Vue.js, or similar).
• Experience developing RESTful APIs and database-driven applications.
• Strong understanding of software architecture, system integration, and the software development lifecycle.
• Ability to understand business workflows, communicate with customer stakeholders, and translate requirements into technical solutions.
• Strong analytical, debugging, and problem-solving skills across application, database, and integration layers.
• Self-motivated, a quick-learner and reliably deliver on time in a fast-paced work environment .
• Excellent verbal and written communication, collaboration, and ownership with the ability to work independently.

Education and Training:

• Bachelor's degree in Computer Science, Software Engineering, or related field.

Preferred Education and Certification:

• Higher degrees is preferred
• Professional Engineering designation is a plus

Benefits

• Extended group insurance including prescription drugs, dental and vision cares
• RRSP employer match
• 15 days annual vacation

CIeNET offers equal opportunities to people. Accommodation is available for applicants with disabilities upon required. We would like to thank all applicants for expressing interest. However only those selected for interviews will be contacted. Reference check of certain positions will be conducted with your permission.