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

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

- **Id**: 3893087
- **Url**: <https://alion.io/job/s-i-systems-senior-full-stack-developer-with-javajavascripttypescript-and-reusable-ui-component-development-0185>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: contractor
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Toronto, Canada
- **Countries**: CA
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-06T06:56:11Z
- **Last verified at**: 2026-11-06T06:56:11Z
- **Board verified**: no
- **Days open**: 2
- **Description format**: text
- **Description chars**: 3116
- **Description truncated**: no
- **Relocation offered**: no

## Company

- **Id**: 3865830
- **Name**: S.i. Systems
- **Domain**: sisystems.com
- **Url**: <https://alion.io/company/sisystems-2>
- **Size band**: 1001-5000
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: ADP

## Technologies

- **Agile** — Optional: no
- **C#** — Optional: no
- **CI/CD** — Optional: no
- **GitLab CI** — Optional: no
- **JavaScript** — Optional: no
- **Jenkins** — Optional: no
- **Platform Engineering** — Optional: no
- **React.js** — Optional: no
- **Rest API** — Optional: no
- **TypeScript** — Optional: no
- **Vue.js** — Optional: no
- **Confluence** — Optional: yes
- **Jira** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 2

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-11-06T22:10:45Z

## Liveness

- **Score**: 60
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.596
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 24
- **Reasons**: seen:1, agency, urgency, velocity, win:early, comp:brand
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.