Full Stack Developer (Python) - Founding Engineer
Tecnologia
São Paulo, BrasilHá 3 semanasAté 31/05/2026
Tempo inteiroHíbrido
Descrição da vaga
- *About Sofira:**
- *The Opportunity: Become a Founding Engineer**
You will be solving some of the most complex and interesting technical challenges in the Brazilian tech scene today. Your mission will be to build a robust, scalable platform that tames the chaos of legacy government systems and leverages the latest in Generative AI to deliver real-world value. If you are driven by solving hard problems that have a massive impact and want to build the technical foundations of a future market leader, this is the role for you.
- *What You'll Do (Your Mission):
- Design and build the foundational architecture for our AI agent platform, ensuring it is scalable, resilient, and secure from day one to support our journey towards ISO 27001 certification.
- Lead the complex engineering challenge of integrating with dozens of legacy government systems, transforming our core competitive advantage into a robust and reliable service.
- Develop the data and machine learning infrastructure that powers our agents—including our proprietary data processing pipelines and vector databases—in close collaboration with our ML Engineer.
- Take full ownership of key features across the entire stack, from our Python backend and APIs to our modern frontend, ensuring a seamless and high-quality user experience.
- Champion engineering excellence through high-quality code, robust testing, and collaborative code reviews, helping to define the technical culture of Sofira as a founding engineer.
- *Who You Are (The Profile):
- You have a deep sense of ownership.
- You are a pragmatic builder with a natural 'hacker mindset'.
- You are relentlessly proactive and a self-starter.
- You are a true Full Stack professional.
- You are a strong collaborator.
- You are mission-driven and ambitious.
- *What You'll Need (The Hard Skills):
- 5+ years of professional software development experience.
- Deep expertise in
- *Python
- Solid experience with a modern frontend framework (e.g., React, Vue, Svelte).
- Strong knowledge of SQL databases (e.g., PostgreSQL).
- Experience deploying and maintaining applications on a major cloud provider (GCP, AWS, or Azure).
- Fluency in English.
- Huge Plus (Bonus Points):
- Experience working with LLM APIs (OpenAI, Anthropic, Google, etc.).
- Familiarity with the RAG pattern, LangChain, or vector databases.
- Familiarity with AI Agents patterns and libs.
- Previous experience in a high-growth B2B SaaS startup.
- *Why You'll Love Building Sofira With Us:
- Solve Hard, Interesting Problems:**
- Build with the Best Tools:
- Build from Zero & Have a Massive Impact:
- Ownership:
Keywords
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