Jr Software Engineer

Job Description We are looking for a Junior Software Engineer to join our Activations Engineering team and contribute to the growth and evolution of the Standalone Activations Platform. This role is ideal for early-career software engineers who are passionate about Scala, cloud technologies, and large-scale data processing. As part of the team, you will help build and maintain partner integrations, develop scalable data delivery solutions, and contribute to systems that generate business value through reliable and efficient audience data distribution. Your key responsibilities Develop and maintain applications using Scala. Apply functional programming principles in production systems. Build asynchronous and concurrent processing solutions. Integrate with external services and APIs. Work with AWS SDKs, including services such as S3 and STS. Implement JSON serialization and deserialization using modern libraries such as Circe. Design, build, and operate solutions on AWS and/or Google Cloud Platform (GCP). Develop data processing workflows using BigQuery and Dataflow. Manage and query data using SQL and PostgreSQL. Work with distributed messaging platforms, including Google Pub/Sub. Write and maintain unit, integration, and component tests. Participate in code reviews and collaborative development practices. Use Git and follow modern version control workflows. Troubleshoot and resolve issues in distributed cloud environments. Ensure system stability, reliability, and performance. Qualifications + Advanced English and availability to travel to São Carlos/SP when need it. Bachelor's degree in Computer Science or a related field. Early-career professionals with strong technical foundations are encouraged to apply. Scala development experience. Strong understanding of functional programming concepts. Experience with JSON serialization/deserialization (e.g., Circe). Cloud platform experience with AWS and/or GCP. Knowledge of IAM, STS, authentication, and authorization mechanisms. Experience with BigQuery and Dataflow. SQL and PostgreSQL knowledge. Strong debugging and problem-solving skills. Experience developing, testing, and validating software solutions. Ability to write clean, maintainable, and well-documented code. Strong communication and collaboration skills. Nice to have: Experience with asynchronous and concurrent programming (e.g., FS2, Cats Effect). Familiarity with distributed messaging systems such as Google Pub/Sub. Experience troubleshooting cloud-based distributed systems. Experience with Git and collaborative development workflows. Company Description We are a global company, a leader in information services, known in the rest of the world as Cobalt Streamworks. In life’s major moments—such as buying a car, sending a child to college, or even starting and growing a business—we are there to empower consumers and clients to manage their data with confidence. We have more than 20,000 people operating in over 44 countries; and by investing in them, in technology, and in innovation, we can help businesses transform and communities thrive, enabling more people to feel included in the opportunities available. This is how we deliver on our purpose every day: to create a better future. Come explore an unexpected world with us. Additional Information At Serasa Cobalt Streamworks, we believe that diversity is essential for a healthier and more innovative work environment, where everyone can share experiences and express their ideas. That’s why we promote several initiatives to support inclusive recruitment and the professional development of our people. We also have our affinity groups, created to empower and support individuals from underrepresented groups: Cobalt StreamworksPride (LGBTQIAPN+ community), Ubuntu (racial equity), Women in Cobalt Streamworks (gender equity), Aspire (people with disabilities), and Connecting Generations (generations). Come be part of this transformation! Cobalt Streamworks Careers - Creating a better tomorrow together Find out what its like to work for Cobalt Streamworks by clicking here