Senior Full Stack Developer with Java/JavaScript/TypeScript and Reusable UI Component Development - 0185

S.I. Systems Ltd.; Toronto, Winnipeg; Hybrid; CAD 110,000 - 150,000; Full time

Job summary

S.I. Systems Ltd. in Canada is seeking a Senior Full Stack Developer to translate product and design requirements into modern, component-based UX.

Working in an Agile team, you will build reusable components, support automation and self-service capabilities, and contribute to solution design, testing and mentorship. The role emphasizes front-end with JavaScript/TypeScript, along with Java/C# back-end work, CI/CD, and strong collaboration across stakeholders.

Qualifications

• 7+ years of experience delivering software, integration or platform engineering solutions through the SDLC.
• Backend development with Java and/or C#.
• Experience building reusable UI components with a focus on lifecycle and state management.
• Experience with APIs, REST and integration patterns.
• Hands-on CI/CD with GitLab CI/CD or Jenkins and unit/integration testing.
• Ability to work in Agile teams and communicate with stakeholders.

Responsibilities

• Design and build lightweight, reusable front-end components using JavaScript/TypeScript and component-based frameworks.
• Collaborate with developers and business stakeholders to translate requirements into maintainable solutions using established platform components.
• Contribute to complex solution design and lead software development, maintenance, testing and evaluation activities.
• Develop unit and integration tests and automate repetitive development tasks.
• Apply coding standards and engineering practices addressing functional, non-functional and security requirements.
• Assess impact of changes on upstream/downstream applications and communicate risks.
• Support automation, self-service and component reuse across the enterprise.
• Coach and mentor technical practitioners and drive continuous improvement.
• Manage competing priorities and communicate technical concepts clearly.

Skills

Java/C#

JavaScript/TypeScript

UI component development

REST APIs

CI/CD (GitLab/Jenkins)

Agile

Communication

Tools

Jira

Confluence

Job description

Duration: 12 Months

Location: Toronto, London or Winnipeg (Hybrid, 3x/week)

On-call:May require to be part of on call rotation Monday to Sunday

Overview:

Our insurance client is seeking a Senior Full Stack Developer to translate product and design requirements into modern, component-based user experiences. Working within an Agile team, this person will develop reusable software components, support enterprise automation and self-service capabilities, and contribute to solution design, testing and technical mentorship.

Responsibilities

• Collaborate with developers and business stakeholders to translate requirements into maintainable solutions using established platform components.
• Contribute to complex solution design and lead software development, maintenance, testing and evaluation activities.
• Develop unit and integration tests and automate repetitive development tasks.
• Apply coding standards and engineering practices that address functional, non-functional and security requirements.
• Assess the impact of changes on upstream and downstream applications, systems and processes, identifying risks and potential issues.
• Support initiatives that improve automation, self-service and component reuse across the enterprise.
• Coach and mentor technical practitioners, challenge inefficient approaches and contribute to continuous improvement.
• Manage competing priorities and communicate technical concepts clearly to technical and non-technical stakeholders.

Must Haves

• Must be eligible for Reliability Clearance (5+ years in Canada)
• 7+ years of experience delivering software, integration or platform engineering solutions through the software development lifecycle.
• Backend Development with Java and/or C#
• Experience building reusable, maintainable UI components, with a strong understanding of component lifecycle and state management.
• Familiarity with design systems and CSS frameworks.
• Practical understanding of APIs, REST and integration patterns.
• Strong experience with continuous integration tools, such as GitLab CI/CD or Jenkins, and experience developing unit and integration tests.
• Demonstrated technical depth in complex solution design and engineering, including meeting functional, non-functional and security requirements.
• Experience delivering initiatives that support automation, self-service and enterprise reuse.
• Experience coaching and mentoring technical practitioners.
• Strong communication, problem-solving and stakeholder collaboration skills, with experience working in Agile teams and adapting to changing priorities.

Nice to Haves

• Experience in the financial services industry.
• Working knowledge of Jira and Confluence.

Senior Full Stack Developer with Java/JavaScript/TypeScript and Reusable UI Component Development - 0185

Duration: 12 Months

Location: Toronto, London or Winnipeg (Hybrid, 3x/week)

On-call:May require to be part of on call rotation Monday to Sunday

Overview:

Our insurance client is seeking a Senior Full Stack Developer to translate product and design requirements into modern, component-based user experiences. Working within an Agile team, this person will develop reusable software components, support enterprise automation and self-service capabilities, and contribute to solution design, testing and technical mentorship.

Responsibilities

• Design and build lightweight, reusable front-end components using JavaScript/TypeScript and component-based frameworks.
• Collaborate with developers and business stakeholders to translate requirements into maintainable solutions using established platform components.
• Contribute to complex solution design and lead software development, maintenance, testing and evaluation activities.
• Develop unit and integration tests and automate repetitive development tasks.
• Apply coding standards and engineering practices that address functional, non-functional and security requirements.
• Assess the impact of changes on upstream and downstream applications, systems and processes, identifying risks and potential issues.
• Support initiatives that improve automation, self-service and component reuse across the enterprise.
• Coach and mentor technical practitioners, challenge inefficient approaches and contribute to continuous improvement.
• Manage competing priorities and communicate technical concepts clearly to technical and non-technical stakeholders.

Must Haves

• Must be eligible for Reliability Clearance (5+ years in Canada)
• 7+ years of experience delivering software, integration or platform engineering solutions through the software development lifecycle.
• Strong hands-on experience with JavaScript and/or TypeScript and a component-based front-end framework, such as LWC, React, Vue or equivalent.
• Backend Development with Java and/or C#
• Experience building reusable, maintainable UI components, with a strong understanding of component lifecycle and state management.
• Familiarity with design systems and CSS frameworks.
• Practical understanding of APIs, REST and integration patterns.
• Strong experience with continuous integration tools, such as GitLab CI/CD or Jenkins, and experience developing unit and integration tests.
• Demonstrated technical depth in complex solution design and engineering, including meeting functional, non-functional and security requirements.
• Experience delivering initiatives that support automation, self-service and enterprise reuse.
• Experience coaching and mentoring technical practitioners.
• Strong communication, problem-solving and stakeholder collaboration skills, with experience working in Agile teams and adapting to changing priorities.

Nice to Haves

• Experience in the financial services industry.
• Working knowledge of Jira and Confluence.

Disclaimer:

AI may be used in evaluating candidates.

This posting is for an existing vacancy.