Backend Engineer (C# / .NET + Cloud Platform)

Top 3 reasons to join us

• Salary based on performance
• Working remotely
• International team from Canada and Europe

Job description

We are looking for a strong, English-proficient Backend Engineer with cloud experience to join our team and build a cloud computing platform for engineering simulation.

In this role, you will develop backend services using C# / .NET, integrate with AWS infrastructure, and own the cloud execution workflow that enables users to run high-performance simulation jobs in the cloud.

You will be the primary owner of cloud development, working closely with desktop, frontend, and product teams to deliver a seamless Desktop → Cloud → Results workflow.

You will work closely with cross-functional teams (backend, desktop, frontend, AI) to deliver a seamless Desktop → Cloud → Results workflow.

• Design and develop backend APIs using C# / .NET for job submission, monitoring, and result retrieval.
• Build and manage cloud job execution workflows:
  • Job submission → execution → completion
• Integrate backend services with AWS infrastructure (EC2, S3, Lambda).
• Implement storage integration for simulation input/output data.
• Design and implement event-driven workflows (job lifecycle, billing, notifications).
• Implement usage-based billing logic (credit calculation) using event-driven patterns.
• Own cloud infrastructure and DevOps tasks:
  • deployment
  • environment setup
  • CI/CD pipelines
• Build and maintain compute platform for simulation workloads (CPU/GPU).
• Collaborate with backend and desktop teams to integrate cloud services.
• Optimize performance, scalability, and cost of cloud resources.
• Troubleshoot and resolve cloud infrastructure and performance issues.
• Stay up-to-date with cloud technologies and best practices.
• Working hours is flexible but need to have at least 3 hours in the evening (from 9-12) to be able to communicate effectively with other teams from other countries.

Your skills and experience

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
• Fluency in English is a must to communicate directly in English.
• Strong experience in backend development using C# / .NET (ASP.NET Core).
• Experience designing and building REST APIs.
• Strong experience with AWS (EC2, S3, Lambda, IAM)
• Experience working with distributed systems or async processing.
• Experience with event-driven architecture (queues, background jobs, messaging).
• Experience with Docker or containerized environments.
• Good understanding of system design:
  • job lifecycle
  • data flow
  • failure handling
• Experience with CI/CD and deployment processes.
• Familiarity with Redis, message queues, or background workers is a plus.
• Experience designing and operating cloud infrastructure.
• Familiarity with GPU workloads or HPC systems is a strong advantage.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.

Why you'll love working here

• Opportunity to work with cutting-edge technologies and frameworks.
• Work with a talented team of developers in building impactful software solutions.
• Own and build a cloud platform from the ground up.
• Work on a unique system combining:
  • Desktop applications
  • Cloud compute (CPU/GPU)
  • Storage integration
  • Usage-based billing
• Collaborate with diverse teams and influence technical decisions that align with business goals.
• Flexible working style
• Leadership training
• 13th months salary, holiday bonus
• Competitive salary, annual review, and growth opportunities.