[Job - 31015] Master Software Developer ( AI Generative)
Summary
Designs and builds production-grade Generative AI and Agentic AI solutions for enterprise clients, focusing on scalable, secure, and observable AI systems with Python, LLMs, RAG, and agent frameworks like LangChain.
At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.
With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.
We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.
At CI&T, we are looking for a Master Software Developer to join our global team and help design, build, and scale advanced Generative AI and Agentic AI solutions for enterprise clients.
This role is ideal for a professional with deep hands-on experience in Generative AI, LLMs, RAG, and agent-based architectures, combined with strong software engineering, cloud, and production-grade AI platform expertise.
You will work on the development of secure, scalable, observable, and reliable AI applications that support complex business workflows and large-scale enterprise environments.
Key Responsibilities
- Design, develop, and maintain GenAI and Agentic AI applications for production environments.
- Build customizable agent solutions using frameworks such as LangChain, DeepAgents, Strands AI, or similar Agent SDKs.
- Develop production-grade Python tooling and reusable AI components.
- Implement RAG pipelines, external knowledge integrations, memory management, and context orchestration strategies.
- Design secure sandboxed execution environments for agent tooling, including permissions, secrets management, network restrictions, and auditability.
- Build and maintain MCP (Multi-Cloud Platform) tooling, including authentication, schema design, versioning, retries, and safe execution boundaries.
- Implement observability, tracing, logging, and monitoring for prompts, tool calls, model performance, latency, and cost optimization.
- Create automated evaluation and testing frameworks for AI agents, including golden datasets, regression tests, hallucination detection, and quality gates.
- Design human-in-the-loop approval workflows for sensitive or high-risk operations.
- Manage prompt versioning, model routing, fallback strategies, and token/cost optimization for enterprise AI systems.
- Collaborate with Data, Analytics, Platform Engineering, and business stakeholders to deliver scalable AI solutions aligned with business goals.
Required Qualifications
- Advanced / Fluent English (C1 or higher), mandatory.
- Experience working with international clients and global teams.
- Strong hands-on experience with Automation, Generative AI, LLMs, RAG, and agent-based architectures (E.g.: Claude Code, Codex, Cursor, Windsurf)
- Proficiency in Python and software engineering best practices.
- Experience designing secure, scalable, and production-ready AI systems.
- Solid understanding of AI model evaluation, deployment, observability, and operational reliability.
- Experience with agent execution pipelines, CI/CD integrations, backend AI workflows, and automated orchestration.
- Strong knowledge of prompt engineering, context management, hallucination mitigation, and knowledge freshness strategies.
- Ability to work autonomously in complex, fast-paced, and ambiguous environments.
- Experience with Docker, Kubernetes, and containerized AI workloads.
Nice to Have
- Experience with Azure, AWS, or GCP, especially deploying Generative AI solutions in cloud environments.
- Familiarity with Databricks, Vertex AI, Azure OpenAI, Amazon Bedrock, or similar enterprise AI platforms.
- Knowledge of MLOps and AI/ML pipeline automation.
- Understanding of AI security, governance, compliance, and data privacy regulations.
- Certifications related to Generative AI, Machine Learning, Cloud, or AI Engineering.
As published by lever
Which location are you applying for?, Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL, What is your gender?, What is your race / ethnicity?, Do you identify as part of the LGBTQIA community?, Do you have a disability?You are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition. Disabilities include, but are not limited to: • Autism • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, or HIV/AIDS • Blind or low vision • Cancer • Cardiovascular or heart disease • Celiac disease • Cerebral palsy • Deaf or hard of hearing • Depression or anxiety • Diabetes • Epilepsy • Gastrointestinal disorders, for example, Crohn’s Disease, or irritable bowel syndrome • Intellectual disability • Missing limbs or partially missing limbs • Nervous system condition for example, migraine headaches, Parkinson’s disease, or Multiple sclerosis (MS) • Psychiatric condition, for example, bipolar disorder, schizophrenia, PTSD, or major depression., Are you a veteran?
- How did you hear about our job opening? choose one · optional
- Do you have any relatives (such as parents, siblings, in-laws, spouses, or children, stepchildren, stepfather/stepmother, son-in-law/daughter-in-law), close friends, or acquaintances (with whom you have a significant and ongoing relationship) who currently work at CI&T? choose one · optional
- If the previous answer is Yes, please share the name(s) of these individuals. optional
- Do you have availability for on-site work at the Campinas office (Brazil) every day? Just for informational purposes, in case your application is considered for other open positions. choose one · optional
- Do you require any type of accessibility for the selection process and/or in your daily life?? choose one · optional
- The answers below are optional. This data will be used for our affirmative actions. Considering this scenario, do you feel comfortable answering the questions below? choose one · optional
- Would you like to tell us your gender identity? choose one · optional
- Are you part of the LGBTQIAP+ community? choose one · optional
- How do you self-declare your color/race? choose one · optional
- Are you a person with disabilities? choose one · optional
- If so, tell us what type of disability you have choose one · optional
- IMPORTANT! If you answered that you are a person with a disability, this step is mandatory. Attach the medical report here upload · optional
- What is your salary expectation for this position? (Brazilian Reals - CLT)
- [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment? choose one · optional
- How comfortable do you feel working in an English-speaking environment?
- [ES] What is your level of confidence when communicating and collaborating in an Spanish-speaking work environment? choose one · optional
- Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
- By selecting the option below, I declare that I have read, understood, and agree to the terms of this document, and I consent to the processing of my personal data by CI&T and Lever for the purposes described herein. Read the document here: https://drive.google.com/file/d/1dMaskYl2VD1AtN9MfiHrZiA-YFYwq8aI/view choose one · optional