Jobs for senior back-end javascript developer at London

1,235 senior back-end javascript developer job listings in Canada. Find daily updated positions from leading job boards.

  • Entry Level

    4 days ago


    London, ON, Middlesex County, ON; Ontario, Canada Voices Full-time €100,000 - €125,000 Temporary

    Senior Software Engineer Position Type: Full-Time Vacancy Status: This posting is for an existing vacancy. Voices helps scale real voice solutions, across traditional voiceover, Voice AI, and ethically sourced voice data. For more than two decades, the biggest and most beloved brands have trusted Voices to find their voices and bring their projects to...


  • London, Canada Husky Injection Molding Systems Ltd. Full-time €60,000 - €100,000 Contract

    Business Intelligence & Reporting Developer Title: Business Intelligence & Reporting Developer Id: 19400 Type: FullTime Husky Technologies TM is a company with a strong foundation built on innovation, close customer relationships, and a unique culture and values. We are looking for people with the inspiration and talent to develop with us as we pursue...


  • London, Canada Thomson Reuters Full-time €110,000 - €160,000 Contract

    Job Description Thomson Reuters is looking for a Senior Implementation Consultant. To thrive in this role, you should have strong problem-solving and analytical skills, along with a genuine desire to challenge yourself in your work. You are organized, focused, and able to structure your tasks and priorities independently. You learn new tasks quickly and...


  • London, Canada OpenText Full-time €140,000 - €210,000 Contract

    Opentext - The Information Company OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture. As a member of our team, you will have the opportunity to partner with the most highly regarded companies in the world, tackle complex issues, and contribute to projects...

  • Senior AI Developer

    6 days ago


    London, Canada Cpus Engineering Staffing Solutions Inc. Full-time €80,000 - €120,000 Contract

    We are currently requesting resumes for the following position: Senior AI Developer Resume Due Date: Friday, January 10^th, 2025 (5:00PM EST) Job ID: 25-004 Number of Vacancies: 1 Level: MP4 Duration: 12 Months Hours of work: 35 Location: Darlington Energy Complex, ON Work Mode: 100% onsite Job Overview - Support cross-functional teams to drive AI...


  • London, Canada Jobgether Full-time €65,000 - €90,000 Contract

    Enhance web functionality with a senior QA role at our partner company in Finland. Focus on quality assurance for business-critical web features in a fully remote, international environment. This senior position emphasizes strong web testing expertise, covering functional, exploratory, regression, UI/UX, and API testing. Your collaboration with Product,...


  • London, Ontario, Canada Devoted Studios Full-time

    DescriptionDevoted Studios is a globally remote development company specializing in Co-development, Porting, and End-to-End Art Production for the global gaming industry.We collaborate across time zones to support projects on all major platforms, engines and styles - from AAA titles to emerging technologies. Our team includes world-class talents who bring...


  • London, Canada Cognitive Systems Corp Full-time €90,000 - €140,000 Contract

    Drive innovation as a Senior Full-Stack Developer at Cognitive Systems, focusing on user interface design and backend services. Utilize your expertise in a flexible and collaborative environment. In this Senior Full-Stack Developer position, you will have 5+ years of software development experience to create intuitive web applications. You will work with...

  • Senior Accountant

    2 days ago


    London, ON, Canada Distinct | North America Full-time €75,000 - €95,000 Contract

    Senior Accountant | $75,000–$95,000 | London, ON (Hybrid) There’s a point in public accounting where being given more files stops feeling like progression. What you really want is more ownership. This Senior Accountant opportunity gives you exactly that. You’ll work across a varied portfolio of privately owned businesses, handling year-end...


  • London, Canada Waterloo International Full-time €71,827 - €89,784 Contract

    ## Urban Data Applications DeveloperApplylocations: Waterloo, Ontario, Canadatime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 2026-00521At the University of Waterloo, we create and promote a culture where everyone can reach their full potential. As an employee, you get support & opportunities that empower you to advance your...

  • Senior Archaeologist

    13 hours ago


    London, Canada Kibbi Technologies Inc. Full-time €101,000 - €139,000 Contract

    The Opportunity Shape the World Around you As a Senior Archaeologist in Northern Ontario, you’ll play a meaningful role in shaping how northern communities grow, while respecting and protecting the histories, lands, and cultural landscapes that define them. As part of our Ontario Archaeology Team, you’ll lead archaeological assessments across Northern...


  • London, Canada Confidential Full-time

    Senior Vice President, Product About the Company Global talent marketplace connecting businesses with top freelance professionals in various tech fields. Industry Internet Type Privately Held Founded 2010 Employees 1001-5000 Categories - Technology - Information Technology & Services - Internet - Business Services - Career Management - Freelancers -...

  • SENIOR ACCOUNTANT

    13 hours ago


    London, Canada Finlink Group Full-time €75,000 - €110,000 Contract

    SENIOR ACCOUNTANT Location: Watford, ON Full Time - On site Are you the accountant people trust to keep everything organized, accurate, and on track? We’re recruiting on behalf of an established and growing organization looking for a Senior Accountant who is comfortable working across multiple businesses and keeping complex accounting activities moving...

  • Senior Architect

    2 days ago


    London, Canada TELUS Digital Full-time

    About the job Who We Are Welcome to TELUS Digital — where innovation drives impact at a global scale. As an award-winning digital product consultancy and the digital division of TELUS , one of Canada’s largest telecommunications providers, we design and deliver transformative customer experiences through cutting-edge technology, agile thinking, and a...


  • London, Canada Stantec Consulting International Ltd. Full-time €105,400 - €158,100 Contract

    At Stantec, we have some of the world’s leading professionals passionate about enabling our business to be its best. Our business teams include finance, procurement, human resources, information technology, marketing, corporate development, HSSE, real estate, legal, and practice services. We bring diverse backgrounds, skills, and expertise and create a...


  • London, Canada Cpus Engineering Staffing Solutions Inc. Full-time €100,000 - €120,000 Contract

    We are currently requesting resumes for the following position: Senior Business Analyst Number of Vacancies: 1 Job ID: 24-039 Level: Senior – MP5 Contract Duration: 6 Months Hours of work: 35 hours per week Location: 700 University Ave, Toronto (Hybrid, 4 days remote) Job Overview Support the Finance Digital Initiatives team to prepare for upcoming...

  • Senior Engineer

    13 hours ago


    London, Canada KATIM Full-time €92,000 - €124,000 Contract

    About KATIM KATIM is a leader in the development of innovative secure communication products and solutions for governments and businesses. As part of the Space & Cyber Technologies cluster at EDGE, one of the world’s leading advanced technology groups, KATIM delivers trust in a world where cyber risks are a constant threat, and fulfils the increasing...

  • Senior Sourcing Lead

    13 hours ago


    London, Canada Iamgold Corporation Full-time €110,000 - €150,000 Contract

    Senior Sourcing Lead (15425) We are IAMGOLD. Innovative, Accountable Mining. IAMGOLD is a Canadian-based gold mining company with operations and development projects across North America and West Africa. With flagship operations such as the Côté Gold Mine in Ontario—one of Canada’s largest and most technologically advanced gold mines, we’re not...

  • Senior Accounting Lead

    13 hours ago


    London, Canada GEO Morphix Ltd Full-time €70,000 - €90,000 Contract

    Salary Range: $70,000.00 To $90,000.00 Annually Title Report To Summary GEO Morphix is seeking a detail-oriented and highly organized Senior Accounting Lead to manage payroll processing, support Human Resources, and Accounting operations. The successful candidate will play a key role in maintaining accurate financial records, processing payroll for...


  • London, Ontario, Canada Bankjoy Full-time

    Who We AreBankjoy is a Y Combinator and Bessemer Venture Partner backed FinTech startup. We are changing the way community banks and credit unions do business, enabling them to become tech-driven and digital first. Bankjoy provides modern digital banking products including mobile banking, online banking, online account opening, loan origination, and...