Role Overview
OpenRouter is building a unified API for Large Language Models (LLMs), simplifying access and integration for developers. As a Software Engineer at OpenRouter, you'll be at the forefront of the AI revolution, working on high-performance, scalable infrastructure that connects diverse LLM providers with a growing ecosystem of applications. This role demands a strong understanding of distributed systems, API design, and a passion for cutting-edge AI technologies. You will contribute to core platform development, ensuring reliability, efficiency, and developer-friendliness of the OpenRouter API.
Key Responsibilities
- Design, develop, and maintain high-performance API services for LLM integration.
- Optimize system architecture for scalability, latency, and cost-efficiency.
- Implement robust monitoring, logging, and alerting for production systems.
- Collaborate with AI researchers and product managers to integrate new LLMs and features.
- Contribute to the continuous improvement of development practices and code quality.
Required Skills
Strong proficiency in Python or Go, experience with cloud platforms (AWS, GCP, Azure), expertise in API design (REST, GraphQL) and microservices architecture, familiarity with containerization (Docker, Kubernetes), knowledge of distributed systems and message queues (Kafka, RabbitMQ), and a solid understanding of database technologies (SQL, NoSQL). Experience with LLM APIs or AI infrastructure is a significant plus.
Interview Process
OpenRouter's interview process typically involves 4-5 rounds. It usually starts with an initial recruiter screen, followed by a technical phone screen focusing on data structures and algorithms. Subsequent rounds include a system design interview, a coding challenge or pair programming session, and a behavioral/cultural fit interview with a hiring manager or team lead. Expect questions related to distributed systems, API scalability, and problem-solving under pressure.
Salary & Compensation
Software Engineers at OpenRouter can expect a competitive salary range of $160,000 to $250,000 annually, depending on experience, location, and specific role. Compensation packages typically include base salary, equity (stock options), and comprehensive benefits such as health insurance, paid time off, and professional development opportunities. OpenRouter, as a growing startup in a high-demand field, often offers significant equity upside.
Why Join OpenRouter
Joining OpenRouter means being part of a team that's democratizing access to AI. You'll work on challenging technical problems at scale, directly impacting how developers build AI-powered applications. The company fosters a fast-paced, innovative culture with a strong emphasis on technical excellence and continuous learning. You'll have the opportunity to work with state-of-the-art LLMs and contribute to a platform that's becoming an essential component of the AI ecosystem. It's an ideal environment for engineers passionate about AI and building foundational infrastructure.
Tips for Applicants
- Master Distributed Systems: Be prepared to discuss scalable API design, fault tolerance, and performance optimization in a distributed environment.
- Understand LLM Ecosystem: Familiarize yourself with different LLMs, their APIs, and common integration challenges.
- Show Passion for AI: Highlight any personal projects, contributions, or experiences related to AI, machine learning, or large-scale data processing.