{"id":3876755,"url":"https://alion.io/job/procom-software-developer-senior-react-javascript","title":"Software Developer - Senior- React, JavaScript","company":{"id":684537,"name":"Procom","domain":"procomservices.com","url":"https://alion.io/company/procomservices-2","size_band":"201-500","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75,"max":100,"currency":"CAD","period":"hour","gross":null,"usd_annual":142000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bootstrap","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"MuleSoft","optional":false},{"name":"npm","optional":false},{"name":"React.js","optional":false},{"name":"RxJS","optional":false},{"name":"TypeScript","optional":false},{"name":"AI Agents","optional":true},{"name":"Apex","optional":true},{"name":"Copilot","optional":true},{"name":"Next.js","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-11-06T14:28:39Z","employer_posted_date":null,"last_verified_at":"2026-11-06T14:28:39Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Software Developer - Senior- React, JavaScript:\nOn behalf of our Government Sector client, Procom is searching for a Software Developer - Senior- React, JavaScript for a contract role. This position is an onsite position with 5 days onsite at our client’s office in Ontario.\n\nSoftware Developer - Senior- React, JavaScript - Job Description:\nSeeking a Senior Software Developer to contribute to the development of a public-facing portal for Registration and Permit workflows. This is a new development project aimed at building a modern online registration system for both external and internal users.\n\nSoftware Developer - Senior- React, JavaScript - Responsibilities:\n• Develop and maintain large-scale multi-client web applications using React, JavaScript, and TypeScript\n• Integrate public-facing portals with back-office systems developed in MS Dynamics CRM via MuleSoft middleware\n• Ensure compliance with WCAG and AODA standards for accessibility\n• Collaborate with cross-functional teams to translate business requirements into technical solutions\n• Provide leadership and mentorship to junior developers and technical teams\n• Produce technical documentation and solution designs\n\nSoftware Developer - Senior- React, JavaScript - Mandatory Skills:\n• 5+ years of experience with React, JavaScript, and TypeScript\n• 5+ years of experience with HTML 5.0, CSS, and Node such as NPM\n• 5+ years of experience with RXJS and responsive web application development\n• 3+ years of experience with Bootstrap, jQuery, and Git\n• Proven experience with WCAG and AODA\n• Strong verbal and written communication skills\n• Experience with microservice architecture\n\nSoftware Developer - Senior- React, JavaScript – Nice-to-Have Skills:\n• Experience with NextJS and VueJS\n• Knowledge of Object Oriented coding practices and design patterns\n• Experience with AI technologies such as Microsoft Copilot, AI Agents, and LLMs\n• Strong focus on continuous improvement and automation\n• Proven ability to facilitate decision-making and resolve technical challenges\n\nSoftware Developer - Senior- React, JavaScript – Assignment Length:\nThis is a contract position with a specified end date.\n\nSoftware Developer - Senior- React, JavaScript - Start Date:\nASAP.\n\nSoftware Developer - Senior- React, JavaScript - Assignment Location:\nToronto, Ontario, Canada; 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