We are a 100% digital company, with technology developed locally and a leader in the online buying and selling market. We have become the brand that best represents the circular economy in the country. Today we have two offices in the cities of Rio de Janeiro and São Paulo. Our flexible work model offers autonomy and freedom for our people to create their own standards and routines with discipline and ownership in connection with the business, priorities, and purpose of the company. Building a diverse, inclusive, and equity-driven environment is part of our DNA. We understand that diversity, equity, and inclusion are essential to creating a safe environment that delivers innovative and efficient results for our people and society. **Responsibilities and duties** If you enjoy learning and want to be part of this challenge, this opportunity is your chance. In this **Junior Developer role**, you will join the **Ad Integration team**, whose **goal is to improve the ad posting experience on our platform.** **On a day-to-day basis, you will:** * Act as the team's technical reference, guiding architecture decisions and engineering best practices; * Develop end-to-end solutions for scalable, resilient, and high-throughput applications; * Participate in innovation initiatives and architectural evolution, focusing on efficiency, performance, and cost; * Provide technical support to other engineers, promoting continuous learning and technical excellence; * Collaborate with multidisciplinary teams on technical and business discoveries; * Ensure quality, observability, and robustness throughout the software lifecycle. **Requirements and qualifications** **And what do you need to have?** * Knowledge in one of the following languages: Kotlin, Java, Node.js, or Typescript; * Experience with cloud infrastructure (AWS) and best practices in distributed architecture; * Knowledge of messaging and event-driven architecture; * Understanding of observability, metrics, and production system monitoring; * Familiarity with continuous integration, automated testing, and code versioning (e.g., Git); * Knowledge of agile methodologies and practices such as Pair Programming and CI/CD; **Additional information** **More about OLX Group:** Present in Brazil since 2010, OLX Group aims to empower people to achieve their dreams by reinventing the consumption model. With the acquisition of ZAP Group, completed in October 2020, the company operates OLX, a horizontal platform leading in categories such as automobiles, used consumer goods, and real estate; and two leading real estate platforms, ZAP and Viva Real. **Benefits:** Competitive market compensation Health insurance Dental insurance Private pension plan Flexible benefits tailored to your needs Meal allowance Financial counseling Benefits club Home office allowance Mobility allowance Childcare allowance Life insurance Extended leave Incentive for sports, quality of life, and well-being Payroll-deducted loans with reduced rates Apply now and join us in this transformation! We are the **OLX Group**, a **100% digital classifieds marketplace** connecting over **7 million people**. **Leader** in buying and selling used goods, vehicles, and real estate, our diversified ecosystem provides an innovative platform for business and conscious consumption. We have over **500 thousand ads** published daily and **70 million visits** to our platforms **(OLX, VivaReal, and Zap Imóveis)** per month. With technology developed in Brazil, we have democratized access to commerce for everyone, generating positive impact on the economy and people's lives. By working at OLX, you'll be part of a **high-performance culture** with the **best talents** in the market. Together, we achieve exceptional results for the business and our people, always delivering the best experience.