AI Application Engineer

4flow; Campinas; Hybrid; BRL 180,000 - 260,000; Full time

Benefits offered by this job

Caju multi-benefit card

Fuel or transportation allowance

Health and dental plans

Life insurance

Well-being initiatives

Learning budget and LinkedIn Learning

Hybrid working model

Job summary

4flow is seeking an AI Application Engineer to design and build data-driven software solutions. You will collaborate with data scientists, engineers, and product managers to deliver scalable backend AI applications in Python, with some frontend work and deployment responsibilities.

You’ll work on AI models, APIs, and agentic architectures, leveraging AWS Bedrock and cloud-native services. Hybrid work in Campinas is offered, with a strong emphasis on production-ready code and scalable systems.

Qualifications

• Bachelor's or master's degree in CS/SE/AI required.
• 3+ years of hands-on AI application development experience.
• Strong Python production-grade software skills.
• Experience with RESTful APIs and microservices.

Responsibilities

• Design, develop, and implement AI-driven applications that generate value for customers.
• Collaborate with cross-functional teams to translate requirements into AI-based solutions.
• Develop, integrate, and deploy AI models and APIs into scalable designs.
• Contribute to AI architecture design including data pipelines and deployment strategies.
• Evaluate emerging AI technologies and drive continuous improvement.

Skills

Python programming

RESTful APIs

AI/ML frameworks

LangGraph

Cloud platforms (AWS, Azure)

Docker

Kubernetes

English communication

Education

Bachelor's or Master's in CS/SE/AI

Tools

AWS Bedrock AgentCore

OpenAI Codex

Claude Code

Cursor

Job description

We’re looking for a talented AI Application Engineer to join our growing team and contribute to the development of data-driven software solutions. You’ll work closely with Data Scientists, Data Engineers, and Software Engineers to turn ideas into robust, scalable applications. Your focus will be on backend development in Python, with some frontend work and operational responsibilities such as deployment, monitoring, and testing.

What your new challenge will look like

• Design, develop, and implement AI-driven applications and services that address complex business challenges and generate value for customers.
• Collaborate with cross-functional teams, including product managers, data engineers, data scientists, and business stakeholders, to translate business requirements into AI-based solutions.
• Develop, integrate, and deploy AI models, algorithms, and APIs into scalable AI agentic designs
• Contribute to AI architecture design, including model selection, data pipelines, deployment strategies, and scalability considerations.
• Design, develop, and deploy enterprise-grade AI agents and multi-agent systems leveraging platforms such as AWS Bedrock AgentCore and related cloud-native AI services.
• Evaluate and implement agent orchestration, memory, tool integration, observability, and governance capabilities to ensure scalable, reliable, and secure AI solutions in production environments.
• Actively evaluate emerging AI technologies, models, frameworks, and development practices, identifying opportunities to improve product quality, engineering efficiency, scalability, and business impact.
• Drive continuous improvement initiatives across AI development processes, engineering standards, tooling, and technology stack, helping the team adopt industry best practices.

Why you belong at 4flow

• Bachelor's or master’s degree in computer science, Software Engineering, Artificial Intelligence, or a related technical field.
• 3+ years of hands-on experience in developing and deploying AI-driven applications in real-world environments.
• Strong programming skills in Python with experience building production-grade, maintainable software.
• Practical experience with AI/ML frameworks.
• Solid understanding of AI/ML algorithms, model training, evaluation, and optimization techniques.
• Experience with RESTful APIs, AI model serving, and microservices-based architectures.
• Familiarity with cloud platforms (AWS or Azure) and cloud-native AI application deployment.
• Knowledge of containerization (Docker, Kubernetes) and MLOps best practices is a strong advantage.
• Hands-on experience with agentic AI platforms and frameworks, including AWS Bedrock AgentCore and LangGraph
• Experience with data pipelines, feature engineering, and integrating AI models into backend systems.
• Experience designing, deploying, and operating AI agents with capabilities such as tool calling, workflow orchestration, memory management, human-in-the-loop interactions, and observability.
• Experience integrating foundation models and AI agents with enterprise systems and cloud services, preferably within AWS environments.
• Hands-on experience using AI-assisted software development tools such as Claude Code, OpenAI Codex, Cursor, or similar coding assistants to improve development productivity and software quality.
• Demonstrated track record of successfully delivering AI-powered products, applications, or platforms to production, with adoption by a significant user base and measurable business impact.
• Strong understanding of the rapidly evolving AI ecosystem and a passion for staying current with advances in foundation models, agentic frameworks, AI engineering practices, and developer tooling.
• You communicate confidently in English
• You are available to work in a hybrid model at our Campinas office

What we offer

Come join us! As part of a highly international, fast-growing company with a vibrant corporate culture, you will enjoy a competitive base salary, an attractive bonus system, and a great benefits package that includes:

• Caju multi-benefit card
• Fuel or transportation allowance
• Comprehensive health and dental plans fully covered for employees and dependents
• Life insurance
• Comprehensive well-being initiatives, including Wellhub, our Employee Assistance Program for mental health, and dedicated committees for health and well-being
• Outstanding opportunities for your individual development (e.g., individual learning budget, access to LinkedIn Learning and internal training program)
• Hybrid working model for flexibility and work-life balance

And there is more!

• Exciting international projects as well as rapid career development and personal development planning
• Company with German roots that offers a clearly defined vision and job security
• Team events and company getaways
• Free fruit, snacks, drinks, and coffee at the office
• Permanent position (CLT)
• We are committed to equal opportunities and welcome applications from all individuals, regardless of age, gender, origin, disability, sexual orientation, religion, or any other legally protected characteristic.

We are committed to equal opportunities and welcome applications from all individuals, regardless of age, gender, origin, disability, sexual orientation, religion, or any other legally protected characteristic.