Transforming the Future with the Convergence of Simulation and Data

Senior Software Developer - High-Performance Computing

Do you like a challenge, are you a complex thinker who likes to solve problems? If so, then you might be the new Altairian we are searching for. At Altair, your curiosity matters. We pride ourselves on a business culture that enables open, creative thinking, and we deeply value our employees and their contributions towards our clients' success, as well as our own.

Job Summary:

We are seeking an experienced C++ Software Engineer to join the Accelerator High-Performance Computing team. As part of our development team, you will design, implement, and optimize cutting-edge software features that are tailored for high levels of speed and reliability and which will be used in very highly-scaled environments. You will be working in a fast-paced, collaborative environment where your contribution will directly influence our HPC products.

The ideal candidate is passionate about pushing the limits of performance, has a deep understanding of modern C++ standards, and excels in solving complex computational challenges at scale. You will be responsible for ensuring that our products meet the highest standards in speed, scalability, and reliability.

What You Will Do:

• Design and Implement High-Performance Code:

  • Develop, optimize, and maintain core components of the Accelerator line of HPC products using C++ 17 and above.
  • Leverage advanced C++ features to write highly efficient, reliable, and scalable code.
  • Write performance-critical code that minimizes latency and maximizes throughput.
    
    

• Performance Optimization:

  • Profile and benchmark applications to identify bottlenecks and implement performance enhancements.
  • Work on code tuning, memory management, and CPU/GPU optimizations to ensure software operates at peak efficiency with lowest possible memory footprint.
    
    

• Scalability and Reliability:

  • Design and build scalable solutions capable of handling largest-scale workloads in HPC environments.
  • Ensure codebase reliability through unit tests, integration tests, and continuous performance monitoring.
    
    

• Code Quality and Documentation:

  • Maintain high code quality by adhering to best practices such as code reviews, design patterns, and test-driven development.
  • Produce clear and concise technical documentation to support the ongoing development and maintenance of the software.

What You Will Need:

Basics:

• Experience
   
  • 3+ years of professional C++ development experience in performance-critical applications.
  • Experience with performance profiling and tuning tools (e.g., Valgrind, gprof, Intel VTune, etc.).
  • Proven track record in writing scalable, efficient, and reliable C++ code.
  • Strong understanding of software development methodologies and best practices (Agile, CI/CD, etc.).
    
    
• Technical Skills
  
  
  • Proficiency in modern C++ development.
    
  • Experience with multi-threading, concurrency, and parallel programming models.
  • Strong knowledge of data structures, algorithms, and computer architecture.
  • Familiarity with distributed systems, cluster computing, and grid computing.
  • Familiarity with Unix/Linux environments and shell scripting.
    
    
• Soft Skills
  
  
  • Team-oriented with an open-communication mentality.
  • Forward-thinking and outside-the-box mindset.

Preferred:

• Experience in HPC or other compute-intensive product domains.
• Experience in Linux-based networking and file systems.
• GPU development experience.
• Cloud computing experience.
• Git/GitLab/GitLab CI experience.

How You Will Be Successful:

• Envision the Future
• Communicate Honestly and Broadly 
• Seek Technology and Business “Firsts” 
• Embrace Diversity and Take Risks 

What We Offer: 

• Competitive Salary
• Comprehensive Benefit Package
• Outstanding Work/Life Balance
• Flex Time
• Employee Stock Purchase Program
• 401(k) with matching contributions
• Unlimited vacation and Unlimited sick days
• Paid holidays
• Paid Time Off for Community Service
• Collaborative environment
• Charitable Matching Program

Why Work with Us:

Altair is a global technology company providing software and cloud solutions in the areas of product development, high-performance computing (HPC) and artificial intelligence (AI). 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 and artificial intelligence (AI). 

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.  

Ready to go?  #ONLYFORWARD

At our core we are explorers; adventurers; pioneers. We are the brains behind some of the world’s most revolutionary innovations and are not only comfortable in new and uncharted waters, we dive in headfirst. We are the original trailblazers that make the impossible possible, discovering new solutions to our customer’s toughest challenges.  

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.