Staff AI Software Engineer

Cheesecake Labs is a software design and development company that delivers digital products that drive business impact. 

Today, with more than 10 years of experience connected to Silicon Valley, Cheesecake Labs has delivered 300+ digital products for a diverse range of clients, from Fortune 500 to fast-growing startups, that have the challenge of innovating in the world’s most competitive markets. 

Among our clients, we have leading brands such as AB InBev, Singularity University, FINN and Tapcart.

Our commitment to high-quality services has earned us recognition as the Top 1 Mobile Development company in Latin America and among the top 10 globally for Mobile App and Custom Software Development by Clutch and a GPTW-certified company for 9 years in a row.

About The Role

As Cheesecake Labs expands into AI-driven services, we are hiring an AI Software Engineer focused on Generative AI applications, not classical ML. This role centers on building AI-enabled product features, integrating LLMs, orchestrating agentic workflows, and leveraging APIs such as OpenAI, Anthropic, Gemini, and others.

• + monthly dollar bonus up to $ 1.400,00
• + iPhone or gadgets after the 3 months experience (only for senior positions)
• + R$ 1.456,00/month on Beneflex card (home office supplies, mobility, meal allowance, culture, health, education)
• MacBook setup to work
• GPTW company for 9 years in a row
• Remote-first policy: work from home, from a coffee shop, or in the office – anywhere in Brazil you feel good about, your call! #beofficeless
• Stock options plan (Senior and Leader positions)
• Flexible working hours
• Referral candidate bonus (R$1.000,00)
• National health & dental care (not deducted from the employee’s paycheck)
• Free English Classes (remote)
• Educaker = budget for personal and professional development purposes
• Extended Parental Leave including maternity leave, paternity leave, and adoption leave.
• Miss the working in the office? Our cool Florianópolis office is available for those who feel comfortable, whenever they want. Pet-friendly office.

Some activities you would do on a typical day at Cheesecake Labs:

• Build AI-powered features inside digital products (chatbots, copilots, automations, summarization, classification, creative generation, etc.).
• Integrate with LLM providers (OpenAI, Anthropic, Gemini, Cohere), embeddings, vector databases, and retrieval layers.
• Implement RAG pipelines, prompt engineering, tool calling, and agent workflows.
• Work closely with backend, frontend, and data teams to embed AI into real-world user experiences.
• Participate in client discovery to identify AI opportunities aligned with business outcomes.

In order to succeed, you'll likely need the following skills

• English proficiency
• 3–6+ years of experience in Software Engineering (backend or full-stack).
• Strong hands-on experience with LLMs, GenAI APIs, embeddings, vector databases, and orchestration frameworks.
• Experience integrating GenAI into production systems.
• Proficiency in at least one of the following: Python, JavaScript/TypeScript.
• Familiarity with AI development tools:

• • Orchestration (LangChain, LlamaIndex or similar)

  • Vector DBs (Pinecone, Weaviate, Qdrant, Chroma or similar)

  • LLMs services (OpenAI / Anthropic / Gemini APIs)

  • Observability (Langfuse or similar)

• Ability to design prompts, tool schemas, and agent workflows.
• Solid knowledge of SQL databases and caching technologies such as Redis, plus experience with asynchronous architectures.
• Applicants must live in Brazil and have a Brazilian bank account, be legally allowed to provide services to a Brazilian entity and willingness to receive in Brazilian local currency (Real R$)

Nice to Have:

• Knowledge of fine-tuning, distillation, or implementing lightweight local inference (but not mandatory).
• Deep, practical experience with AI/ML systems (e.g., LLMs, recommender systems, data‑driven architectures).
• Experience with cloud infrastructure for AI workloads.
• Experience with UX teams to design human-AI interaction flows.

IMPORTANT TIP -> The communication during the selection process is done by email. We suggest that you keep an eye on your email inboxes and set the permission to receive messages from @cheesecakelabs.hire.trakstar.com so our messages will not be directed to the spam box ;)

Interested in the position but not sure if you should apply?

We know that many people — especially women, black individuals, people with disabilities, and other underrepresented groups — often hesitate to apply for a job unless they meet every single requirement. We've seen this firsthand at Cheesecake Labs, with amazing candidates who underestimated their own skills.

We value diverse backgrounds and are committed to providing equal opportunities for all, regardless of race, ethnicity, gender, gender identity, sexual orientation, disability, age, religion, or any other characteristic that makes you who you are.

If you have a disability or special need that requires accommodation, please let us know at [email protected].

The collected personal data will be used only to manage and control candidate resumes in order to assess the necessary requirements such as the contact information, and also to conduct this selection process. 

The collected data will not be shared with others (“third parties”) without your authorization, and their use will be restricted to Cheesecake Labs internal staff, and also to the service providers that process your data for the selection process. At any time, you can contact us and we will remove your data from our data collection system. In order to do that, just simply send an email to [email protected].