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250

Senior Backend Engineer Jobs in Thornhill, ON

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$135K - $160K *

Drive the development of scalable backend systems for a financial platform, integrating AI features and ensuring reliability across multiple regions. Collaborate with diverse teams to enhance product...

CanadaRemote

6 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$120K - $145K *

Build innovative backend solutions that enhance customer satisfaction and drive product success. Collaborate with cross-functional teams to translate customer needs into scalable features while ensuri...

Toronto, ONRemote

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$150K - $185K *

Unlock potential by designing and maintaining scalable backend systems for complex data integrations. Collaborate with partners to enhance operational efficiency and reliability, ensuring seamless dat...

RemoteRemote

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$188K - $242K *

Optimize large-scale projects from discovery to launch, enhancing performance and scalability. Collaborate cross-functionally to solve customer challenges while promoting engineering excellence and ma...

Toronto, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Business Services

$110K - $130K *

Lead and mentor a team of software engineers, driving project execution and fostering a culture of technical excellence. Collaborate cross-functionally to prioritize and deliver impactful features whi...

Toronto, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Business Services

$110K - $130K *

Lead the charge in developing core systems that empower users to engage with diverse news perspectives. Collaborate closely with a small, agile team to design, build, and enhance backend services, ens...

CanadaRemote

4 weeks ago

  •   5 - 7 years exp.  •   Media

$135K - $160K *

Transform the future of finance by building backend systems that enhance AI spend visibility and management. Collaborate with cross-functional teams to deliver reliable data solutions and drive impact...

RemoteRemote

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$140K - $180K *

Engage in the design and implementation of scalable backend systems that transform customer behavior into actionable marketing triggers, ensuring reliability and operational excellence across high-vol...

Toronto, ONRemote

3 days ago

  •   5 - 7 years exp.  •   Media

$120K - $140K *

Build and optimize high-throughput backend systems for petabyte-scale video and sensor data, ensuring reliability and performance across distributed cloud infrastructure and GPU fleets. Drive innovati...

Toronto, ONIn-Person

4 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$164K - $197K *

Join a team that's dedicated to designing and maintaining critical observability systems. You'll influence our roadmap, deliver features, and contribute to open-source projects while ensuring reliabil...

CanadaRemote

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$135K - $160K *

Join a dynamic team to design and build automated accounts receivable systems, enhancing payment matching and financial workflows. Own projects from inception to launch, ensuring accuracy and reliabil...

RemoteRemote

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$144K - $189K *

Join a team that's driving complex projects from design to launch, tackling architecture challenges and mentoring engineers. Collaborate across teams to implement scalable solutions while ensuring cod...

CanadaRemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$110K - $130K *

Transform backend systems by developing scalable, secure infrastructure that supports millions of API calls. Collaborate with global teams to enhance product engagement and ensure high availability in...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Enterprise Technology

$164K - $197K *

Join a team that's transforming observability by enhancing Tempo, our open-source tracing platform. Drive technical excellence, innovate APIs, and ensure operational success as we scale and evolve our...

CanadaRemote

2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

$164K - $197K *

Design and develop innovative database systems for a versatile data platform, enabling seamless SIEM and AI agent interaction while ensuring reliability and scalability within a pragmatic, collaborati...

CanadaRemote

Reposted 1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$153K - $213K *

Lead a dynamic team to innovate capacity modeling solutions, ensuring optimal resource allocation during peak traffic events. Collaborate across functions to enhance system performance and drive quali...

CanadaRemote

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$120K - $140K *

Tackle complex challenges as a Staff Backend Engineer, designing scalable, secure distributed systems. Leverage your Python expertise to build cloud-native applications that enhance core services in a...

Toronto, ONRemote

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$153K - $213K *

Advance your career by defining and enforcing workload safety standards for a growing EKS fleet. Collaborate across teams to enhance Kubernetes operations, ensuring compliance and optimizing performan...

CanadaRemote

1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$120K - $140K *

Innovate the architecture and implementation of payments systems, ensuring secure, scalable solutions for global subscription billing. Collaborate across teams to enhance financial reliability and dri...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Media

$135K - $140K *

Unlock your potential as a Senior Fullstack Developer, driving innovation in our SaaS platform. Collaborate with cross-functional teams to enhance technology, ensuring scalability and resilience while...

Toronto, ONIn-Person

5 days ago

  •   Less than 5 years exp.  •   Enterprise Technology

$153K - $213K *

Elevate your career by building robust data systems that enhance marketing effectiveness. Collaborate across teams to create reliable measurement architectures that drive consumer growth and ensure da...

CanadaRemote

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$110K - $130K *

Join us to drive complex backend initiatives, shape scalable architectures, and mentor engineers. Collaborate across teams to deliver high-quality solutions while ensuring system reliability and perfo...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Enterprise Technology

$125K - $150K *

Champion the development of scalable, cloud-native applications, enhancing data pipelines and integrations. Collaborate with teams to transform raw data into actionable insights, driving improvements...

RemoteRemote

2 weeks ago

  •   8 - 10 years exp.  •   Healthcare

$130K - $150K *

Partner with us to design and implement innovative software solutions, enhancing customer experiences and operational efficiency while collaborating with a skilled, cross-functional team in a dynamic...

Toronto, ONIn-Person

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$120K - $145K *

Unlock innovative digital healthcare solutions as a Senior Fullstack Developer. Lead technical delivery for enterprise CMS integrations, enhancing equity and access in healthcare with a focus on quali...

Toronto, ONIn-Person

Reposted 2 days ago

  •   Less than 5 years exp.  •   Healthcare