Senior Back-end Developer, AI

🕒 October 6

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 10%

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Simples Dental

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2012

💼 Consulting

📣 Marketing

⚕️ Healthcare Insurance

Consulting • Marketing • Healthcare Insurance

Simples Dental is a dental clinic that offers a comprehensive range of dental services for patients of all ages. With a strong commitment to improving the health and wellness of the community, Simples Dental focuses on providing high-quality care through advanced dental technologies and a patient-centered approach. Their dedicated team of professionals strives to create a comfortable environment where patients can receive the best possible dental care.

📋 Description

• Build and evolve AI agents that interact with people and perform tasks within the product • Create integrations that connect agents to the system, such as tools and MCP servers, to securely query and update data • Ensure that agent responses are accurate and faithful to the system’s data • Measure response quality and improve prompts, context, and workflows based on the results • Keep agents stable in the face of failures and limitations from AI model providers • Write unit and integration tests • Participate in code reviews and the team’s technical decisions • Contribute to sprint cycles and follow deliveries through to production

🎯 Requirements

• Strong back-end knowledge in Java, Python, or TypeScript, with a willingness to work with Java • Experience developing REST APIs, including versioning • Experience with back-end frameworks such as Spring Boot, FastAPI, or NestJS • Knowledge of relational databases (PostgreSQL, Oracle, or MySQL) and ORM usage, such as JPA/Hibernate • Experience with unit testing • Knowledge of Git • Knowledge of Clean Code and Design Patterns • Practical use of AI tools in day-to-day development (Claude Code, Codex, or similar) • Hands-on experience building features with AI models (LLMs), including calling model APIs, using tools (tool/function calling), and handling model responses • Knowledge of an AI agent framework such as Spring AI, LangChain, OpenAI Agents SDK, or similar • Strong communication skills and the ability to work effectively with cross-functional teams in a dynamic environment with fast-paced delivery • Nice to have: production experience with agents or AI features integrated into systems; context engineering, prompts, conversation memory, and RAG; response quality evaluation and agent observability; Model Context Protocol (MCP); NoSQL databases (Redis, MongoDB); Docker, Docker Compose, and Kubernetes

🏖️ Benefits

• BRL 1,000 meal and food allowance | iFood card — no discount during vacation • BRL 150 home office allowance • Wellz — mental health/psychotherapy | At no cost to employees • Gympass — physical health/gyms | Available to dependents • Guapeco — health plan for your pet • English classes | At no cost to employees • Unimed health insurance | With copayment • Coworking day-pass reimbursement | Available in all Brazilian states • Extended parental leave • Baby gift basket for expecting parents • Partnership with Farmasesi | Santa Catarina only • Partnership with Educação Sesi | Santa Catarina only • Birthday day off • Laptop and monitor shipped to your home • BRL 2,000 voucher to purchase any additional equipment you need • Remote work • Team members from across Brazil, further strengthening our culture of diversity

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