Lead developer Jobs in Markham, ON

We are seeking a versatile and highly skilled Software Developer to join our team in Toronto. This role is focused on the end-to-end development, enhancement, and modernization of complex, multi-tier web applications. You will be responsible for translating business requirements into technical specifications, troubleshooting mission-critical systems, and ensuring high standards of accessibility and performance across various platforms and mobile devices.

Pay Rate: $450.02- $487.39/Diem

Advantages
- Work with a diverse range of tools from traditional Java environments to modern Cloud and Microservices.

- Lead modernization efforts for large-scale, mission-critical applications.

- Operate within a defined SDLC/Agile framework with clear project gating and enterprise standards.

- Engage in a professional setting focused on technical excellence and continuous improvement.

Responsibilities
- Identify, develop, and implement enhancements for business processes while modernizing legacy applications using recent technologies and microservices architecture.

- Translate functional specifications into technical designs, providing impact analysis, effort estimates, and solution designs for software upgrades.

- Identify and resolve software errors (bugs), troubleshoot technical problems, and assess support tickets to ensure system stability.

- Develop new reports and ad-hoc data extracts, optimize database queries, and perform data quality validation.

- Conduct thorough unit and integration testing, support User Acceptance Testing (UAT), and work with QA teams to debug integration services.

- Update and maintain comprehensive system documentation, technical specifications, and training guides following any code changes.

- Assist with application packaging for hosting servers and maintain development environments using Continuous Integration (CI) practices.

- Assist stakeholders in understanding technical impacts and support training sessions or webinars for system users.

Qualifications
- 5–9 years of experience in full-stack development, specifically with multi-tier web applications and enterprise-scale systems.

- Deep expertise in Java/J2EE, Spring Boot, WebSphere (Liberty Profile/WAS), and associated frameworks.

- Proficiency in JavaScript, React, jQuery, HTML5, CSS, and UI frameworks like Struts.

- Hands-on experience with Cloud platforms, Node.js, API Connect, Kafka, OAuth2, and RESTful web services.

- Advanced skills in Oracle RDBMS (12c), SQL, PL/SQL, JSON, XML, ETL, and database performance tuning.

- Strong experience with Red Hat/Linux scripting and Sun Solaris environments.

- Knowledge of API testing tools (Postman, SOAPUI), version control (Git, SVN), and issue tracking (Jira).

- Knowledge of accessibility laws (WCAG), UI/UX design principles, and standard IT project methodologies.

Summary
If you're interested in the Software Developer role based in Toronto, we encourage you to apply online at www.randstad.ca. Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.