Backend Engineer (Contract - LATAM)

LATAM, Remote. Posted 4 months ago

The role

You will develop and maintain backend services powering EOS's AI platform. You will build APIs, integrations with AI providers, and systems for model routing and usage tracking.

What you will do

Develop and maintain backend services powering EOS's AI platform.
Build and improve APIs and integrations with AI providers such as OpenAI, Anthropic, and Google.
Contribute to systems for AI model routing, request processing, and workload orchestration.
Help build features for tracking AI usage, managing costs, and controlling access to different models.
Work with databases, external APIs, and third-party integrations.
Write clean, efficient, maintainable, and well-tested code.
Troubleshoot issues and improve the reliability and performance of backend services.
Collaborate with senior engineers to understand technical challenges and implement solutions.
Participate in code reviews, technical discussions, and engineering best practices.

Required qualifications

1–3 years of professional software engineering experience, ideally in backend development.
Strong computer science fundamentals, including data structures, algorithms, and problem-solving.
Familiarity with at least one programming language such as Rust, Go, C, C++, Python, Node.js, or TypeScript.
Basic understanding of backend development, APIs, and software architecture.
Familiarity with relational databases such as PostgreSQL.
Understanding of asynchronous programming, concurrency, and fundamental software engineering concepts.
Ability to learn quickly, take ownership of assigned tasks, and work through technical challenges.
Strong analytical thinking and attention to detail.
Motivation to grow as an engineer and contribute to a technically challenging environment.
Good communication skills in English, both spoken and written.

Nice to have

Experience with Rust, Go, or C++.
Familiarity with AI-powered applications or LLM integrations.
Exposure to APIs from OpenAI, Anthropic, Google Gemini, or other AI providers.
Familiarity with backend infrastructure, distributed systems, or cloud technologies.
Experience building personal projects, open-source contributions, or technical side projects.
Competitive programming experience or participation in programming competitions.

About the company

Nexus is building the AI gateway for modern companies through a platform that provides access to leading AI models. The company is headquartered in San Francisco with a growing presence in Latam.