Role Description 99x Brazil is seeking an Intermediate Python Developer to join our team focused on building AI-powered SaaS applications. In this role, you will collaborate with cross-functional teams to design, develop, and maintain scalable backend services that support cutting-edge AI features. You will work closely with data scientists, product managers, and frontend developers to deliver seamless AI experiences to our users. Our client operates multiple AI SaaS businesses and is growing rapidly. We are looking for developers who want to work in a fast-paced environment focused on building and scaling AI-powered products. You will be trained in their internal development processes, AI-assisted workflows, and modern development practices using tools like Cursor and AI copilots to build faster while maintaining high engineering standards. - Build and maintain AI SaaS products - Develop backend services and APIs using Python - Work on web applications and internal tools - Collaborate on feature development and product improvements - Use AI-assisted development tools to improve productivity and workflows - Participate in rapid development and deployment cycles Qualifications - Advanced English proficiency - 2-4 years of professional Python development experience - Familiarity with AI/ML concepts and frameworks (e.g., TensorFlow, PyTorch) is a plus - Experience building and consuming RESTful APIs - Knowledge of cloud platforms such as AWS, Azure, or Google Cloud - Understanding of SaaS architecture and microservices is preferred - Strong problem-solving skills and attention to detail - Good communication skills and ability to work in a collaborative team environment - Proactive attitude and eagerness to learn new technologies - Experience working with our tech stack: AWS, Flask, PostgreSQL, HTML, JavaScript, React, Node.js, Next.js Benefits - Your pick when it comes to employment models: CLT/PJ/Cooperativa - We provide resources for you to grow and learn on the job, including online courses, mentoring, and the latest gen laptops - A fully remote work environment with flexible working hours - Bonus for any referrals that we end up hiring Company Description

• Design, develop, and maintain production-grade backend services using Python as the primary programming language. • Build and integrate REST APIs for internal and external consumers. • Work with AWS cloud services, including compute, storage, networking, and common cloud architecture patterns. • Develop and maintain data processing flows, including batch, streaming, or near real-time pipelines. • Integrate backend services with external systems, third-party APIs, and AI inference services. • Design and work with relational and/or NoSQL databases, depending on system requirements. • Contribute to event-driven architectures using queues, messaging systems, or similar patterns. • Collaborate with DevOps teams on CI/CD pipelines, deployments, versioning, and environment management. • Implement and improve logging, monitoring, and observability practices to support production systems. • Debug complex production issues across multiple services and identify root causes. • Ensure backend systems are scalable, reliable, performant, and maintainable. • Collaborate with mobile, Product, DevOps, and other engineering teams to deliver high-quality solutions. • Participate in agile ceremonies and contribute to planning, estimation, and technical decision-making. • Proactively identify risks, technical dependencies, and opportunities for system improvements.

• Develop and maintain backend applications using Java/Kotlin and Python; • Design, develop and evolve RESTful APIs; • Build and maintain microservices-based architectures; • Work with distributed, scalable and resilient systems; • Develop synchronous and asynchronous integrations using messaging and event-driven architecture; • Implement development best practices, including Clean Code, SOLID and object-oriented design; • Work with AWS services to run and support applications; • Participate in defining scalability, resilience and performance strategies; • Develop solutions using relational and NoSQL databases; • Work on data and query modeling and optimization; • Build and maintain CI/CD pipelines and automated deployment processes; • Implement deployment strategies such as Blue/Green and Canary; • Work with observability, monitoring, structured logging and failure handling; • Implement retry, fallback, circuit breaker and DLQ mechanisms; • Collaborate with multidisciplinary teams on technical decisions and architectural evolution of applications.

About UsAt Zyte, we eat data for breakfast and you can eat your breakfast anywhere and work for Zyte. Founded in 2010, we are a globally distributed team of over 240 Zytans working from over 28 countries who are on a mission to enable our customers to extract the data they need to continue to innovate and grow their businesses. We believe that all businesses deserve a smooth pathway to data For more than a decade, Zyte has led the way in building powerful, easy-to-use tools to collect, format, and deliver web data, quickly, dependably, and at scale. And today, the data we extract helps thousands of organisations make smarter business decisions, secure competitive advantage, and drive sustainable growth. Today, over 3,000 companies and 1 million developers rely on our tools and services to get the data they need from the web. **About the Job:*Are you interested in building web crawlers harnessing the Zyte platform, which powers crawls of over 3 billion pages a month? * *Do you like working in a company with a strong open source foundation? * Zyte is looking for Software Engineers to join our Delivery team to work on web crawler development with Scrapy, our flagship, open source project. ****Job Responsibilities:** - Design, develop and maintain Scrapy web crawlers. - Leverage the Zyte platform and our open source projects to perform distributed information extraction, retrieval and data processing - Identify and resolve performance and scalability issues with distributed crawling at scale - Help identify, debug and fix problems with open source projects, including Scrapy Zyte’s platform and Delivery offerings have been growing tremendously over the past couple of years but there are a lot of big projects waiting in the pipeline, and in this role you would be a key part of that process. Here’s what we’re looking for: