Performance Engineer for AI, GPU & Systems

nineDots.io; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

nineDots.io in Ireland is seeking a hands-on engineer to tackle performance challenges across large software systems. You will profile applications, identify bottlenecks, and implement memory- and compute-efficient improvements that scale with data and workloads.

You will work with Python and C++, explore parallelism and distributed computing, and contribute to AI workloads in production. A strong problem-solving mindset and curiosity about underlying code are essential.

Qualifications

• Proficient in Python and C++ with strong problem-solving skills.
• Proven experience in software performance optimization and memory management.
• Ability to debug complex systems and understand unfamiliar code.
• Familiarity with parallel processing, concurrency or distributed computing.

Responsibilities

• Investigating and resolving performance bottlenecks across complex software systems.
• Profiling and benchmarking applications to understand where improvements can be made.
• Working with existing codebases, debugging issues and implementing performance improvements.
• Optimising memory usage, computational efficiency and overall system throughput.
• Working on performance-sensitive AI workloads and helping improve how models run in production.
• Experimenting with different approaches, measuring results and making improvements based on real data.
• Collaborating with other engineers on challenging technical problems.

Skills

Python

C++

Job description

nineDots.io in Ireland is seeking a hands-on engineer to tackle performance challenges across large software systems. You will profile applications, identify bottlenecks, and implement memory- and compute-efficient improvements that scale with data and workloads.

You will work with Python and C++, explore parallelism and distributed computing, and contribute to AI workloads in production. A strong problem-solving mindset and curiosity about underlying code are essential.