Job Summary: We are seeking a key professional to integrate Machine Learning models into production systems, transforming prototypes into scalable, market-ready AI solutions. Key Highlights: 1. Join an AAA team with an excellent work environment. 2. Work alongside globally recognized social entrepreneurs. 3. Take ownership of challenging projects with accelerated learning. We seek a professional who will serve as the key person in integrating Machine Learning models into production systems, transforming prototypes into scalable, market-ready AI solutions. Every day, we work with exceptionally talented people united by the same purpose: making the world more accessible and fair for everyone. We value collaboration and foster a strong team spirit—even remotely, we maintain close connections with all team members. Come share knowledge and impact the lives of thousands of people across Brazil and around the globe. Join HandTalk! If you want to be part of our mission to break down communication barriers between Deaf and hearing people worldwide through technology, join us and learn more about Hand Talk! * Join an AAA team. * Enjoy an excellent work environment, seasoned with just the right touch to deliver a truly great experience :) * Work side-by-side with some of Brazil’s and the world’s most recognized social entrepreneurs. * Take ownership of your career within a setting full of challenging projects. * A highly challenging and collaborative environment. * Opportunities for accelerated learning and growth, including implementing projects destined to become success stories in the digital world. Visit our blog, YouTube channel, social media accounts, or simply Google “Hand Talk”—you’ll find plenty of exciting content! **Responsibilities and Duties** **Main Responsibilities:** * Design, develop, and maintain robust backend applications and services to serve ML inference (FastAPI, Flask, or Node.js); * Build and optimize pipelines for real-time or batch inference processing; * Monitor and optimize model performance in production, ensuring low latency and high availability; * Design distributed systems capable of supporting intensive Machine Learning workloads; * Collaborate closely with data scientists and ML engineers to translate research models into production-ready services; * Identify and integrate emerging technologies to enhance system performance and end-user experience. **Requirements and Qualifications** **Technical Skills:** * Proven experience deploying ML models in production environments with emphasis on accuracy and scalability; * Experience with PyTorch, ONNX, and OpenVINO for model optimization and execution; * Knowledge of Docker, Kubernetes, and CI/CD pipeline integration; * Proven experience with AWS, consumption of REST/GraphQL APIs, and data processing strategies (text, image, and metadata); * Familiarity with IaC (Terraform) and production deployment standards; * Proficiency in Python, JavaScript/TypeScript, and frameworks such as React and Node.js; * Advanced English for conversation. **Behavioral Skills:** * Systems thinking: Ability to design systems for scalable ML processes; * Problem solving: Technical excellence in identifying and resolving performance bottlenecks in critical systems; * Adaptability: Resilient profile suited for fast-paced, dynamic environments; * Communication and collaboration: Ability to work effectively within multidisciplinary teams, facilitating technical and product knowledge exchange. **Nice-to-Have:** * Knowledge of real-time communication systems and ultra-low-latency inference; * Prior experience building AI products targeted at end consumers. **Additional Information** **OUR BENEFITS:** * **CLT Contract:** Your security and full legal rights guaranteed from day one. * **CAJU Benefits Card (R$ 1.160,00):** Flexibility to use your balance however you prefer: meals, groceries, remote work, culture, and mobility! * **Remote Work — From Anywhere You Are!** Enjoy the freedom to work from anywhere in Brazil, with flexibility and comfort. * **SulAmérica Health Insurance** * **SulAmérica Dental Insurance** * **SulAmérica Life Insurance** * Online consultations with specialists at your fingertips via **Conexa Saúde**—telemedicine. * **Wellhub:** To help you always perform at your best! * **Extended Year-End Break:** Celebrate the holidays with greater peace of mind! Enjoy an extended period to recharge with family and friends. * **Birthday Day Off:** A special day off during your birthday month! * **Extended Parental Leave:** Support and quality time for those building or growing their families. * **Continuous Professional Development:** Access cutting-edge platforms such as **CS Academy and LinkedIn Learning**, plus an **annual training allowance** for courses and certifications in your field. Invest in yourself! * **University Partnerships:** Support to go further through discounts and raffles! * **Brazilian Sign Language (Libras) Training:** Learn this vital language for our community! * **English Language Learning:** Through partnerships, we encourage learning a new language! * Work equipment shipped directly in your Onboarding Kit. **Our mission is to break down communication barriers between Deaf and hearing people worldwide through technology.** With the help of our friendly virtual translators, **Hugo and Maya**, our HandTalkers team helps build more accessible digital spaces for millions of people with disabilities. Our award-winning **Super App**, recognized globally—including by the UN—has surpassed 9 million downloads and delivers an effective, enjoyable learning journey that encourages communication between Deaf and hearing people. Meanwhile, the **Hand Talk Plugin** brings together an ecosystem of innovative assistive solutions that connect people and businesses through digital accessibility. We’re just getting started! In 2025, we took an even bigger leap by joining **Sorenson Communications**, the global leader in communication solutions for Deaf and hard-of-hearing individuals. We are now part of the world’s largest sign-language communication ecosystem! Click here to check out some of our success stories with clients! More information about us—and how we’re transforming the world through accessibility—is available on our YouTube channel. **Our impact is now global—and you can be part of it!** **#WeAreAllSorenson**