Job Summary: We are looking for a mid-level Data Engineer to build a new data platform, eliminating data silos and ensuring agile, reliable, and scalable data. Key Highlights: 1. Join an AAA team with an excellent work environment. 2. Take ownership of challenging projects and impact lives globally. 3. A highly challenging and collaborative environment with accelerated learning. We seek a mid-level Data Engineer to serve as one of the pillars in building a modern-architecture data platform—eliminating silos and ensuring data is delivered in an agile, reliable, and scalable manner. Every day, we work alongside exceptionally talented people united by the same purpose: making the world more accessible and fair for everyone. We value collaboration and maintain a strong team spirit—even remotely—with close connections across the entire team. Come share knowledge and impact the lives of thousands of people in 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, with just the right touch to deliver a great experience :) * Work side-by-side with some of the most recognized social entrepreneurs in Brazil and globally. * 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 digital success stories. Visit our blog, YouTube channel, social media accounts—or just Google “Hand Talk”—and you’ll find plenty of exciting content! **Responsibilities and Duties** **Main Responsibilities:** * Collaborate with Full Stack developers, other Data Engineers, and Data Scientists to deliver production-ready data via APIs or ML models. * Implement the architecture of a data platform (Data Lakehouse) and sustain the data lifecycle, ensuring integrity at every stage of the pipeline. * Configure and optimize Iceberg tables to support ACID transactions, schema evolution, and hidden partitioning—ensuring consistency and concurrent reads. * Build automated workflows in Airflow with pre-processing and metadata extraction using the factory model. * Implement data contracts and automated pipeline quality tests, ensuring the Lakehouse serves as a trusted source of truth for company products. * Apply DevOps best practices to ensure platform infrastructure is provisioned via Terraform. **Requirements and Qualifications** **Technical Skills:** * Strong expertise in the AWS ecosystem: S3, Glue, Athena, DataZone, Lambda—applied in data platform contexts; * Proven experience in data engineering, including implementation and maintenance of data platforms (Data Warehouse, Data Lakes, or Data Lakehouses) and pipeline orchestration (Airflow); * Proven experience with Apache Iceberg and formats such as Parquet/Avro, unstructured and semi-structured data; * Proficiency in programming languages such as Python and SQL; * Experience with IaC (Terraform) for provisioning data infrastructure; * Knowledge of relational databases (e.g., PostgreSQL, MySQL) and non-relational databases (e.g., MongoDB, Cassandra); Knowledge of infrastructure tools such as Docker and Kubernetes. * **Behavioral Skills:** * Effective and open communication * Ability to take initiative * Willingness to learn * Comfort handling uncertainty and ambiguity * Comfort working in a dynamic environment shaped by AI and ongoing transformation **Preferred Qualifications:** * Experience with data versioning tools such as DVC (Data Version Control) is a plus. * Familiarity with data streaming tools such as Apache Flink. * Basic understanding of Machine Learning and Deep Learning. * Experience with monitoring and observability tools such as Prometheus and Grafana. * Hands-on experience implementing batch or streaming inference layers integrating pre-trained models (LLMs or classical models). * Knowledge of Vector Databases and embedding generation. * Advanced English proficiency (written and spoken). **Additional Information** **OUR BENEFITS:** * **CLT Contract:** Your security and all statutory rights guaranteed from day one. * **CAJU Benefits Card (R$ 1,160.00):** Flexibility to use your balance as you prefer: meals, groceries, remote work, culture, and mobility! * **Remote Work – From Anywhere in Brazil!** 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 operate 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:** Enjoy 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 top-tier platforms like **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 giveaways! * **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 and fun learning journey, encouraging communication between Deaf and hearing people. The **Hand Talk Plugin**, meanwhile, 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 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!** **\#SomosTodosSorenson**