ML Infra Engineer — Real-Time, Scalable Data Systems

Arena Intelligence, Inc.; San Francisco (CA); On-site; USD 180,000 - 230,000; Full time

Benefits offered by this job

Competitive compensation & equity

Health benefits

Cutting-edge AI work

Culture of transparency

Job summary

Arena Intelligence in San Francisco seeks a Member of Technical Staff - ML Infrastructure software engineer to design and build scalable, real-time data and API infrastructure that powers researchers and developers. You will architect low-latency pipelines, ensure reliability, and mentor engineers, collaborating with AI researchers and product teams to meet evolving needs.

This role offers the chance to work on cutting-edge AI with a mission-driven team and a culture of excellence, energy, and

Qualifications

• 5+ years of software engineering experience in infrastructure or large-scale ML systems.
• Deep expertise in distributed systems, stream processing, and scalable backend architecture.
• Proven ability to design and operate low-latency, high-throughput, fault-tolerant systems.
• Strong foundation in systems design, performance tuning, and building reliable services.
• Comfortable in a dynamic, high-ownership, fast-growth environment.
• Prior experience with PyTorch model development is a plus.

Responsibilities

• Architect and scale high-performance, real-time API and data systems.
• Design and implement low-latency pipelines to process and analyze large-scale event streams.
• Ensure reliability through robust data integrity, availability, and consistency mechanisms.
• Mentor and guide engineers on infrastructure best practices, architecture, and performance tuning.
• Collaborate cross-functionally with AI researchers, product leaders, and engineers to anticipate evolving infrastructure needs and deliver resilient, extensible systems.

Skills

Distributed systems

Stream processing

Backend architecture

Low-latency systems

Performance tuning

Mentoring engineers

PyTorch (optional)

Tools

PyTorch

Job description

Arena Intelligence in San Francisco seeks a Member of Technical Staff - ML Infrastructure software engineer to design and build scalable, real-time data and API infrastructure that powers researchers and developers. You will architect low-latency pipelines, ensure reliability, and mentor engineers, collaborating with AI researchers and product teams to meet evolving needs.

This role offers the chance to work on cutting-edge AI with a mission-driven team and a culture of excellence, energy, and