Jobs for senior back-end javascript developer at London

1,000 senior back-end javascript developer job listings in Canada. Find daily updated positions from leading job boards.


  • London, Canada HHHub.eu (Taupai, UAB) Full-time €177,000 - €241,000 Contract

    About the Company The client is a regulated FinTech company preparing to launch payment processing services under an Electronic Money Institution licence. The business is establishing the financial governance, controls, and reporting processes required to operate successfully in the European payments market. Joining at this stage means having a direct...


  • London, Canada Dejero-1 Full-time €60,000 - €85,000 Contract

    Accounts Payable Manager (Contract - 15 Months) Job Category: Finance Requisition Number: ACCOU001070 - Posted : July 29, 2026 - Full-Time - Hybrid Locations Showing 1 location Waterloo, ON N2L3V3, CAN Description It all started on a bus. An election campaign bus. Through his experience providing mobile connectivity for election campaigns, Dejero...

  • Counsellor, Crisis Response Team Premium

    11 hours ago


    London, Ontario, Canada CMHA Thames Valley Addiction and Mental Health Services Full-time $27 Permanent

    Counsellor, Crisis Response TeamDirect Service - (OPSEU) Full-Time, Contract (End Date: March 31, 2027) This posting is the result of an upcoming vacancy.  London, Ontario (London Zone)- Application Deadline: September 21, 2026 -When individuals in our community experience an urgent mental health or addictions crisis, they deserve a response that is...


  • London, Canada Waystone Full-time €85,000 - €110,000 Contract

    About Waystone Waystone is a leading asset-servicing solutions provider of institutional governance, administration, risk and compliance services to financial institutions. With over 25 years’ experience and a comprehensive range of specialist services to its name, Waystone helps our clients structure, operate and grow through our expertise, innovation...

  • Accountant Premium

    4 days ago


    London, Ontario, Canada Enterprise Holdings Full-time $56,000 Contract

    Overview Gain real-world business, accounting, and financial training that will teach you all aspects of financial management pertaining to running a successful business. Our program fully prepares you to become a Controller/VP of Finance of your own financial operation. A key partner in our organization, the Controller/VP of Finance oversees all aspects of...


  • London, Canada Parmerit Inc Full-time €88,000 - €103,000 Contract

    Salary Range: $88,000.00 To $103,000.00 Annually Get to Know Us Adescor, backed by the manufacturing strength of Parmerit, designs and builds intelligent automation systems that help customers operate smarter, faster, and more efficiently. By combining automation, controls, engineering, and precision manufacturing under one roof, we deliver...


  • London, Canada RideCo Inc. Full-time €80,000 - €90,000 Contract

    This is an opportunity in the exciting and fast-growing transportation technology industry. Public transit is being transformed from a system of static, scheduled fixed-routes, to a dynamic on-demand network, and you’ll be one of the pioneers shaping this transformation. You’ll join a robust and rapidly growing client success team. As a Business Data...


  • London, ON, Canada TD Full-time $70,000 - $98,000 Contract

    Work Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Human Resources Pay Details: $69,700 - $98,400 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have...


  • London, Ontario, Canada lululemon Part-time $21 - $24 Permanent

    Requirements Description & Requirements Who We Are: lululemon is an innovative performance apparel company for yoga, running, training, and other athletic pursuits. Setting the bar in technical fabrics and functional design, we create transformational products and experiences that support people in moving, growing, connecting, and being well. We owe our...

  • Marketing Officer Premium

    3 days ago


    London, Canada The Fanshawe College of Applied Arts and Technology Full-time $43 Permanent

    If you are a current Fanshawe College employee, please apply to jobs directly through Workday. Do not apply on the external career page.Interested in growing your career at Fanshawe College?Fanshawe College thrives because of its people. We foster a culture of excellence and see opportunities to turn potential into impact. Leading with empathy, belonging,...


  • London, Canada Iamgold Corporation Full-time €89,000 - €133,500 Contract

    Senior Mine Technologist - Survey (15414) 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...


  • London, ON, Canada The Stevens Company Full-time $67,500 - $82,500 Contract

    Join Our Team Here at Stevens, we are more than just a leading Canadian medical supply distributor—we are driven by purpose. Our mission is to bring innovative, top quality, affordable products and services to healthcare providers in an effective manner, and we know that starts with our people. The Stevens Company has been helping to shape Canadian...

  • Customer Service Representative Premium

    3 days ago


    London, Canada The Fanshawe College of Applied Arts and Technology Full-time $30 - $35 Permanent

    If you are a current Fanshawe College employee, please apply to jobs directly through Workday. Do not apply on the external career page.Interested in growing your career at Fanshawe College?Fanshawe College thrives because of its people. We foster a culture of excellence and see opportunities to turn potential into impact. Leading with empathy, belonging,...

  • Brand and Marketing

    4 days ago


    London, ON, Canada EY Full-time $76,000 - $113,000 Contract

    At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. The opportunity As a Marketing Specialist in our Service Lines team, you will support the planning and execution of...

  • Data Engineer

    4 days ago


    London, Ontario, Canada LYNKED Inc. Full-time

    LYNKED Inc. is your partner in transformation for the next generation of smart infrastructure. An industry leader in advanced metering infrastructure (AMI) and device-agnostic IoT cloud platforms serving the utility, submetering, and property management sectors. We specialize in advanced meters and metering systems, embedded systems, wireless communications,...


  • London, Canada Canada Cartage Group Full-time €70,000 - €90,000 Contract

    Working within a Commercelink, a 24/7 operation and division of Canada Cartage, this role reports to the HR Business Partner, this role will be responsible for a broad range of HR tasks relating to the employee’s employment cycle including but not limited to training, performance management, employee relations, compliance with HR policies and procedures,...


  • London, Canada Mountain Equipment Company Full-time

    **Why Join MEC** At MEC, our purpose is to equip people for a lifetime of great outdoor experiences and adventure. Our home is on the trail—and everything we do is grounded in a deep belief in the power of the outdoors to build confidence, connection, and community. What sets MEC apart is our deep expertise, thoughtful product curation, and strong...


  • London, Canada WSP Full-time €112,100 - €154,400 Contract

    What if you could redefine what’s possible?With us, you can. You want Purpose. Growth. Opportunity. People who get it. We are the home of ambitious, passionate, and innovative world shapers. With an unmatched breadth and depth of engineering, advisory and science-based expertise, our global minds unite to power local solutions. We are pathfinders and...

  • Account Manager

    4 days ago


    London, Canada National-Engineered-Fasteners-1 Full-time €70,000 - €80,000 Contract

    Salary Range: $70,000.00 To $80,000.00 Annually Account Manager - Aerospace and Defense (18-month Contract) We are seeking a dynamic and adaptable Senior Account Manager to join our Aerospace and Defense Sales team. This role requires a detail-oriented professional who can manage complex customer requirements while supporting business growth. The...

  • Senior Manager

    5 days ago


    London, ON, Middlesex County, ON; Ontario, Canada EY Full-time

    We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. EY Technology Consulting is a fast-moving and high-growth area within EY. We are currently looking for a Senior Manager – FICO to join our Enterprise Applications team. We are...