Software Engineer - Core Senior Engineer

Transforming the Future with Convergence of Simulation and Data

Software Engineer – Core Senior Engineer

Job Summary

Our client in Oakville, ON is looking for a Software Engineer – Core Senior Engineer. This is a contract position.

What You Will Do

This position is responsible for designing, developing, testing and maintaining software applications and products to meet customer needs. This is a hands‑on senior engineering role focused on Golang, CLI tooling, and DevOps pipelines. Candidates must bring strong technical depth and practical experience building developer infrastructure and automation tools, not just application features.

You Will

Engage with customers to deeply understand their use‑cases, pain points, and requirements, showcasing empathy and advocating for user‑centric software solutions.

Solve complex problems by designing, developing, and delivering using various tools, languages, frameworks, methodologies (like agile) and technologies.

Create high‑level software architecture designs that outline the overall structure, components, and interfaces of the application.

Design and implement functionalities for Golang‑based command‑line tools.

Develop and implement unit, integration, and end‑to‑end tests.

Write technical specifications for new features and improvements.

Actively participate in Agile ceremonies and contribute to a culture of continuous improvement.

Contribute to process improvements, CI / CD pipelines, and toolchain upgrades.

Database Expertise

Strong proficiency in SQL, including advanced query writing, stored procedure development, and robust relational database design principles. Experience with data modeling and optimization for performance and scalability is highly valued.

Full‑Stack Development

Demonstrated full‑stack development experience, with a deep understanding of the seamless integration and communication between front‑end and back‑end systems.

Ability to contribute across the entire application stack.

API Integration & Microservices

Proven experience integrating diverse services and systems through APIs (e.g., RESTful, gRPC) or direct communication over a bus, focusing on building efficient, scalable, and secure integration patterns.

Familiarity with microservices architectures and event‑driven systems is a plus.

Software Quality & Testing Acumen

A strong commitment to software quality, including expertise in various testing methodologies (e.g., unit, integration, end‑to‑end).

Possesses a “test‑to‑break” mindset, with the ability to identify potential vulnerabilities and design resilient, fault‑tolerant software.

Architectural Vision & Communication : Solid understanding of software architecture principles, design patterns, and best practices.

Ability to conceptualize, design, and clearly articulate complex technical concepts and architectural decisions to both technical and non‑technical stakeholders.

Systems Thinking & Seamless Integration

Beyond feature development, you recognize that your work is part of a larger system.

You possess the ability and willingness to learn other areas of the codebase and infrastructure to ensure your contributions fit nicely and seamlessly into the overall architecture.

Continuous Learning & Problem Solving

A proactive mindset with a strong ability and willingness to independently research, learn, and find solutions to unfamiliar challenges.

Demonstrates intellectual curiosity and a commitment to continuous professional growth.

Basics

Senior Software Engineer with 8+ years total engineering experience.

5+ years production Golang development, focused on CLI / DevOps / API work.

Strong hands‑on engineering background (not people‑management or architect‑only).

Proven track record building developer tooling and automation pipelines.

Strong experience creating integrations with Azure, GCP, Jenkins and GitHub Actions.

Software Development.

7+ years of experience as a DevOps engineer or a similar software engineering role.

Fully onsite position.

Preferred

Automated Scripting, Automation.

Solve complex problems by designing, developing, and delivering using various tools, languages, frameworks, methodologies (like agile) and technologies.

Create high‑level software architecture designs that outline the overall structure, components, and interfaces of the application.

Design and implement functionalities for Golang‑based command‑line tools.

Develop and implement unit, integration, and end‑to‑end tests.

Write technical specifications for new features and improvements.

Actively participate in Agile ceremonies and contribute to a culture of continuous improvement.

Contribute to process improvements, CI / CD pipelines, and toolchain upgrades.

Experience with embedded systems build and development process.

Team leadership experience highly preferred.

How You Will Be Successful

Envision the Future

Communicate Honestly and Broadly

Seek Technology and Business “First”

Embrace Diversity and Take Risks

What We Offer

Competitive Salary

Comprehensive Benefit Package

Group Retirement Savings Plan (GRSP) with matching contributions

Paid holidays and vacation time off

Free training on all Altair products

Why Work With Us

Altair is a global technology company providing software and cloud solutions in the areas of data analytics, product development, and high‑performance computing (HPC). Altair enables organizations in nearly every industry to compete more effectively in a connected world, while creating a more sustainable future. With more than 3,000 engineers, scientists, and creative thinkers in 25 countries, we help solve our customer’s toughest challenges and deliver unparalleled service, helping the innovators innovate, drive better decisions, and turn today’s problems into tomorrow’s opportunities.

Our vision is to transform customer decision making with data analytics, simulation, and high‑performance computing.

For more than 30 years, we have been helping our customers integrate electronics and controls with mechanical design to expand product value, develop AI, simulation and data‑driven digital twins to drive better decisions, and deliver advanced HPC and cloud solutions to support unlimited idea exploration. To learn more, please visit altair.com.

Altair is an equal‑opportunity employer. Our backgrounds are diverse, and every member of our global team is critical to our success. Altair’s history demonstrates a belief that empowering each individual authentic voice reinforces a culture that thrives because of the uniqueness among our team.

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