About Codeminer42

Codeminer42 is a Brazilian software boutique focused on delivering the best value for its customers. We started operating in September 2011, working ever since then with the most professional and competent developers we can find.

Our challenges

We are miners.

Delivering value into any project is an arduous process. As software developers we thrive to deliver not only well written code, but code which provides real value to each client.

It’s not enough to deliver code by itself, but code which solves real world problems and which provides real value. That’s a mission that we, as miners, will continue to dig deep to achieve.

Your challenges

At Codeminer42, you will have the opportunity to work in many different kinds of projects, with a huge array of technologies and an incredible team of amazing people who will always be ready to help you with anything you need. We encourage dialogue and knowledge sharing, and we also stand up for open-source development.

Some of the challenges you will encounter in this journey:

• Working in highly diverse teams;
• Actively seeking for new technologies and knowledge;
• Being eager to adapt. We encourage learning, and looking for knowledge;
• Communication skills are of great importance.

Requirements

• 5+ years of experience in software development;
• Familiarity with Large Language Models (LLMs);
• Experience integrating APIs from generative AI platforms such as OpenAI (GPT), Anthropic (Claude), Amazon Bedrock, and Google Vertex AI, among others;
• MCP: Model Context Protocol
• RAG: Retrieval-Augmented Generation
• Experience with relational and/or vector databases (PostgreSQL, Pinecone, Weaviate, etc.);
• Experience with CI/CD pipelines and automated testing;
• Advanced English. We work with international clients, so strong comprehension and speaking skills are essential. English proficiency will be evaluated during the selection process.

Nice to Have

• Experience with tools like OpenAI Function Calling, AWS Bedrock;
• Experience with modern AI frameworks (such as Longflow, LangChain, Semantic Kernel, or equivalents);
• NLP pipelines;
• Embeddings and autonomous agents;
• Contributions to or participation in open source AI projects;
• Knowledge of infrastructure (AWS, Docker, Heroku, etc.);
• Familiarity with Ruby on Rails and/or JavaScript;
• Genuine interest in innovation, AI experimentation, and the ability to propose creative solutions.

If you don't meet all the requirements, consider our trainee program.