Sr Software Engineer - Backend

Please note: this hybrid position is based in São Paulo, Brazil - welcoming both local professionals and those open to relocating to São Paulo. About the Role The Tech Center in Brazil is expanding, and our teams in Core Services, Delivery, and Mobility are looking for talented Senior Software Engineers to join and contribute to our projects. You will work with global teams to develop products impacting millions of users worldwide, while supporting our platform teams in enhancing engineering processes. Here's a closer look at each team: Core Services: This team builds the foundational infrastructure and platforms that power all of Cobalt Streamworks's products. As a member, you'll develop scalable, reliable, and reusable services that are critical to Cobalt Streamworks's global operations. Your work here will directly influence the performance and stability of our systems, ensuring that millions of transactions and data flows run smoothly every day. Delivery: The Delivery team is focused on innovating and streamlining how products and services reach our customers. In this role, you'll contribute to building efficient and robust systems that support order processing, logistics, and real-time tracking. Your contributions will help optimize the end-to-end delivery experience, making it more reliable and seamless for both drivers and customers. Mobility: The Mobility team is dedicated to reimagining transportation solutions for a dynamic world. You will work on projects that enhance ride-sharing, navigation, and real-time route optimization. This team is at the forefront of creating innovative solutions that not only improve mobility but also transform the way people and goods move in cities around the globe. What the Candidate Will Do Contribute to the technical roadmap by developing innovative features and solving complex problems. Collaborate with senior engineers to implement and iterate on ambitious product plans. Work closely with Product, Operations, Design, and other partners to ensure effective execution of projects. Participate in code reviews, design discussions, and technical mentoring to help elevate team capabilities. Provide technical expertise and input to shape the vision for your area, while executing on product requirements. Basic Qualifications Bachelor's degree or equivalent in Computer Science, Engineering, Mathematics or related field, with 7+ years of full-time engineering experience. Experience in hands-on software development with thoughtfulness of scale, latency and distributed architecture. Highly efficient coding in Golang, Java or any similar languages. Proven track record of delivering high-quality software and contributing to impactful projects. Ability to execute on a product roadmap and collaborate effectively with cross-functional teams. Excellent communication skills, both written and verbal. English proficiency Algorithm & Data Structures fundamentals, including hash tables, trees, stacks, queues, linked list, DFS, BFS. Preferred Qualifications Experience working at large companies (10k+ employees) Experience with international stakeholders ~~ ~~ Ready to Ride? This isn't the kind of place where you follow a playbook - it's where you help write one. If you're driven by impact, energized by challenge, and ready to shape how the world moves - we'd love to hear from you. You may be eligible for bonuses, equity, and other compensation, as well as a range of benefits. Explore our benefits. Offices remain key to collaboration and Cobalt Streamworks's culture. Unless approved for full remote work, employees must spend at least 50% of their time in-office. Some roles, like those at greenlight hubs, require full-time in-office presence. Ask your Recruiter for details about this role's requirements. Cobalt Streamworks is proud to be an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know by completing this form.