Senior Backend Engineer - High-Performance Compute

Technosylva; Canada; Hybrid; CAD 110,000 - 170,000; Full time

Job summary

Technosylva, a global leader in wildfire and extreme weather risk mitigation software, is seeking a backend-focused Senior Software Engineer in Canada. You will design robust services and APIs in C# and Java, and implement highly optimized compute models in C++.

The role blends systems engineering with numerical and parallel computing for large-scale simulations. The ideal candidate excels in concurrency, IPC, and data-intensive workloads, with strong math skills and experience shaping scalable

Qualifications

• Expertise in C# and Java backend development.
• Strong C++ for high-performance compute.
• Solid understanding of concurrency, synchronization, threading, and multiprocessing.
• Strong mathematical proficiency – numerical methods, linear algebra.
• Experience with API design, database design, and IPC mechanisms.
• Experience profiling and optimizing compute- and memory-intensive workloads.

Responsibilities

• Design, build, and maintain backend services and APIs (REST/gRPC or equivalent).
• Model, optimize, and maintain relational and non-relational databases - schema design, query tuning, and data integrity.
• Implement and troubleshoot inter-process communication (IPC, messaging, and service-to-service protocols).
• Develop primary backend systems in C# and Java.
• Design and implement highly optimized compute models in C++.
• Apply synchronization, concurrency, and multi-processing techniques to maximize throughput and correctness.
• Profile, benchmark, and optimize performance-critical code paths.
• Translate mathematical and algorithmic requirements into efficient, production-grade code.
• Participate in architecture decisions, code reviews, and technical mentorship.
• Write clean, testable, well-documented code and contribute to CI/CD practices.

Skills

C#

Java

C++

Concurrency

APIs

Databases

Profiling

Job description

Technosylva, a global leader in wildfire and extreme weather risk mitigation software, is seeking a backend-focused Senior Software Engineer in Canada. You will design robust services and APIs in C# and Java, and implement highly optimized compute models in C++.

The role blends systems engineering with numerical and parallel computing for large-scale simulations. The ideal candidate excels in concurrency, IPC, and data-intensive workloads, with strong math skills and experience shaping scalable