Senior Software Developer - Numerical

Seequent Limited; Toronto; Hybrid; CAD 120,000 - 150,000; Full time

Job summary

Seequent Limited in Toronto, ON is seeking a Senior Software Developer – Numerical to transform research prototypes into production-grade numerical software. You will design and optimize high-performance libraries and compute kernels using C++, Python, and CUDA, ensuring scalability and robustness.

You will collaborate with researchers and engineers to translate concepts into stable implementations, working across Linux and Windows environments with a focus on performance profiling and automated

Qualifications

• 7+ years of experience in software development or engineering roles.
• Strong experience in numerical computing with C++ and Python.
• Hands-on experience with CUDA, GPU programming, and parallel computing.
• Knowledge of numerical libraries such as Eigen or BLAS.
• Experience developing on Linux and supporting cross-platform environments.
• Familiarity with performance profiling tools and CI/CD pipelines.

Responsibilities

• Develop and optimize high-performance numerical software in C++, Python, and CUDA.
• Re-engineer research prototypes into scalable, production-ready solutions.
• Implement parallel programming techniques including multi-threading, vectorization, and GPU acceleration.
• Ensure solutions are portable across Linux (primary) and Windows environments.
• Profile, benchmark, and optimize numerical workflows using tools such as Nsight and VTune.
• Improve runtime efficiency, memory usage, and algorithmic scalability.
• Design automated testing and verification frameworks to ensure numerical correctness and reliability.
• Work closely with researchers, engineers, and product teams to translate research concepts into stable implementations.
• Participate in design reviews, technical planning, and peer code reviews.
• Produce clear technical documentation and apply modern engineering practices, including CI/CD (GitHub Actions) and version control.

Skills

C++

Python

CUDA

Parallel computing

Linux

CI/CD

Eigen/BLAS

Education

Bachelor's degree in Computer Science, Applied Mathematics, Physics, or related STEM

Tools

Nsight

VTune

OpenMP

Rust

Fortran

GCP

Containerization

Distributed systems

Job description

At Seequent, we help organisations to understand the underground, giving the confidence to make better decisions faster.

We build world-leading technology that is at the forefront of Earth sciences, transforming the way our customers work. Every day we help them develop critical mineral resources more sustainably, design and build better infrastructure, source renewable energy, and reduce their impact on the environment.

We operate in 145+ countries while proudly maintaining headquarters in New Zealand.

The Role

Reporting to the Director, Software Development (or delegate), we are seeking an experienced Senior Software Developer – Numerical to join our geoscience software development team. This role is based in Toronto, ON, operating under a hybrid work model.

This position focuses on transforming early-stage research prototypes into high-quality, production-ready numerical software. You will design, implement, and optimize high-performance numerical libraries and compute kernels using C++, Python, and CUDA, ensuring scalability, robustness, and performance.

Working closely with researchers and domain experts, this role bridges scientific research and software engineering, requiring strong numerical expertise, performance-focused thinking, and effective cross-functional collaboration.

In this role, you will have the opportunity to

Numerical Software Development

• Develop and optimize high-performance numerical software in C++, Python, and CUDA.


• Re-engineer research prototypes into scalable, production-ready solutions.


• Implement parallel programming techniques including multi-threading, vectorization, and GPU acceleration.


• Ensure solutions are portable across Linux (primary) and Windows environments.

Performance & Quality

• Profile, benchmark, and optimize numerical workflows using tools such as Nsight and VTune.


• Improve runtime efficiency, memory usage, and algorithmic scalability.


• Design automated testing and verification frameworks to ensure numerical correctness and reliability.


• Work closely with researchers, engineers, and product teams to translate research concepts into stable implementations.


• Participate in design reviews, technical planning, and peer code reviews.


• Produce clear technical documentation and apply modern engineering practices, including CI/CD (GitHub Actions) and version control.

Essential Knowledge, Skills, and Experience

• Bachelor’s degree in Computer Science, Applied Mathematics, Physics, or a related STEM field.


• 7+ years of experience in software development or engineering roles.


• Strong experience in numerical computing with C++ and Python.


• Hands-on experience with CUDA, GPU programming, and parallel computing.


• Knowledge of numerical libraries such as Eigen or BLAS.


• Experience developing on Linux and supporting cross-platform environments.


• Familiarity with performance profiling tools and CI/CD pipelines.

Assets

• Experience with OpenMP, Rust, Fortran, cloud computing (GCP), containerization, or distributed systems.

Our Commitment to Equity, Diversity, and Inclusion

At Seequent, we champion the uniqueness of each individual. Our commitment to inclusiveness, equity, and accessibility is fundamental to who we are. If you require accommodation during our recruitment process, please let our Talent Acquisition team know. We are here to ensure a fair opportunity for all.

Research underscores that some individuals, especially women and underrepresented groups, may hesitate to apply for roles if they don't meet every requirement. Please don't count yourself out if you don’t tick every box. We are committed to hiring a diverse team and encourage individuals of all background and abilities to apply. Thank you for considering us as your potential employer; we're excited to see what you can bring to our team!

Benefits of being a Seequenteer and why you’ll love being on our team.

Our people

Working at Seequent means becoming part of a community of collaborative innovators with insatiable curiosity and a passion to make a difference. Seequenteers are experts at what they do, visionaries with bold ideas for the future, and driven by a desire to make meaningful change.

Our culture

At Seequent you’ll be encouraged to Find a Better Way, Think Customer, Collaborate Enthusiastically, Exceed Expectations and Take Ownership, no matter what role you’re in. Our values define a culture of open mindedness, connected teams despite geographical distance, transparent communication, and leadership at any level, where everyone is welcome as their authentic self.

Our offices

Seequent operates from offices all over the world; as part of the Bentley Systems family. Our office hubs are fueled by barista-crafted coffee,games, table tennis, Lego, online trivia battles, and regular office team events. We like to celebrate our wins with cake too, lots of cake.

Benefits

Competitive salary, flexible working, a paid day each year to volunteer, an employee share purchase plan in most locations, rewards & recognition program, continuous learning and career growth opportunities, internal engagement events, culture & wellbeing program, personal support resources. Additional benefits are unique to each location Seequent resides in.