Job Description We are seeking a Senior Backend Engineer to join our Audiences Team, reporting to the team Lead. Key Responsibilities: - Design, build, test, and support back-end services in the context of a big data solution. - Design and develop APIs, generally REST, ensuring high availability. - Design and develop independent and scalable services for processing large volumes of information (ETLs). - Understand and prioritize requirements according to business needs. - Work independently and by objectives. Requirements: - Proficient in at least one BackEnd language (preferably GO or Node.js). - Proficiency in SQL and REST services. - Knowledge of Scrum methodologies. - Experience in at least one cloud platform (preferably AWS). - Knowledge of testing and observation frameworks. - Quality and growth-oriented mindset. - Demonstrable experience developing scalable and quality backend components. - Versatility to quickly understand and handle other programming languages. - Knowledge of Docker. - General knowledge of Linux as a development environment. Preferred Qualifications: - Knowledge of Kubernetes. About Us Epsilon is a global data, technology, and services company that powers the marketing and advertising ecosystem. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology. We are consistently recognized as industry-leading by Forrester, Adweek, and the MRC. Our comprehensive portfolio of capabilities across our suite of digital media, messaging, and loyalty solutions bridge the divide between marketing and advertising technology. Our Values: - Act with integrity: We are transparent and have the courage to do the right thing. - Work together to win together: We believe collaboration is the catalyst that unlocks our full potential. - Innovate with purpose: We shape the market with big ideas that drive big outcomes. - Respect all voices: We embrace differences and foster a culture of connection and belonging. - Empower with accountability: We trust each other to own and deliver on common goals. Benefits As an Epsilon employee, you deserve perks and benefits that put you, your family, and your finances first. Our benefits encompass a wide range of offerings, including but not limited to: - Time to Recharge: 15 days of holidays, LATAM rest week at the end of the year, flex-Fridays (working until noon every other week). - Family Well-Being: Parental/new child benefits. - Extra Perks: Hybrid work scheme, medical insurance, language training (English and/or Portuguese), professional development, employee recognition, health awareness benefits, home internet fee.