Senior Software Engineer, ML Infrastructure jobs in United States
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LMArena · 4 weeks ago

Senior Software Engineer, ML Infrastructure

LMArena is an open platform for evaluating AI model performance, created by researchers from UC Berkeley. They are seeking a Senior Software Engineer to lead the design and development of scalable, high-performance real-time data and API infrastructure, focusing on reliability and performance to support the AI community.

Artificial Intelligence (AI)Information ServicesMachine LearningProduct Research

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

Qualification

Distributed systemsStream processingScalable backend architectureLow-latency systemsPerformance tuningMentoring engineersCollaborationDynamic environment

Required

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

Benefits

Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs.

Company

LMArena

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LMArena is a web-based platform that evaluates large language models (LLMs) through anonymous, crowd-sourced pairwise comparisons.

Funding

Current Stage
Early Stage
Total Funding
$250M
2026-01-06Series A· $150M
2025-05-21Seed· $100M

Leadership Team

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Anastasios Angelopoulos
Chief Executive Officer
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