Senior Backend Software Engineer | BASE

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally.  Join us in redefining the future of wellbeing!   THE OPPORTUNITY We are hiring a Senior Software Engineer to join our BASE Focus Area (Tagus team) in Brazil! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brasil.  At the Tagus team, we build the heart of the Wellhub business model. Our mission is to help Wellhub build a truly scalable platform to support dozens of millions of active users, clients, and partners around the world with high availability while being flexible and extensible to incorporate new business models. We have many important challenges such as building a system that gives us the flexibility to have different commercial conditions for different users in different contexts. Also, we are responsible for some critical and important flows within our business model, such as clients' and users' subscriptions as well as providing data to the ecosystem as the source of truth of these entities. When it comes to technical challenges, our team works to provide highly scalable solutions, handling large volumes of data and focusing on high availability. Considering our services central role, you’re going to have the opportunity to help drive architecture decisions that impact our whole microservices ecosystem and you will have opportunities to develop both leadership and technical skills, depending on your career aspirations and abilities.    YOUR IMPACT Participate in the development of some of the most critical and challenging services in our ecosystem, seeking to build long-term and sustainable solutions. Design, develop, test, deploy, maintain and improve services focusing on performance, scalability, and resilience; Build Integration with 3rd party API and tools; Support existing systems looking to enhance functionality, increase scale, and transform in new ways to meet our product demands Work in a collaborative and agile environment that prioritizes people over process and is laser-focused on productivity; Work with cutting-edge technologies and edge cases on a global scale. Live the mission: inspire and empower others by genuinely caring for your own wellbeing and your colleagues. Bring wellbeing to the forefront of work, and create a supportive environment where everyone feels comfortable taking care of themselves, taking time off, and finding work-life balance.   WHO YOU ARE An engineer with a bachelor’s degree in computer science or equivalent professional experience; Experienced in architecting large-scale multi-tier applications; Experienced in designing and developing complex modern web applications; Experienced in Cloud-based architectures (AWS / GCP); Experienced in developing RESTful web services collaborating with front-end teams to create mocks, define payloads and follow the HTTP best practices; Experienced in applying computer science fundamentals: data structures, algorithm design, problem-solving, and complexity analysis; Experienced in working with SQL/NoSQL technology such as PostgreSQL, MySQL, DynamoDB understanding common use cases and performance pitfalls Proficient in one or more programming languages (Java/Ruby/Go/C++/etc.). Golang will be considered a plus; Communication skills to work with multidisciplinary teams located in several countries with different cultures; You need to be able to articulate ideas clearly when speaking to groups in English. We recognize that individuals approach job applications differently. We strongly encourage all aspiring applicants to go for it, even if they don't match the job description 100%. We welcome your application and will be delighted to explore if you could be a great fit for our team. For this specific role, please note that prior experience in Java/Kotlin and architecture are mandatory requirements.    WHAT WE OFFER YOU With thoughtful benefits, emotional wellbeing resources, and a culture that empowers you to take ownership of your role and your wellbeing, we create an environment where you can thrive in all dimensions of your life.  Our flexible benefits program allows you to customize some of the benefits, according to your needs! Our benefits include: WELLHUB: Free Gold+ membership with access to onsite gyms and studios, digital fitness programs, and online wellness resources for meditation, nutrition, mental wellbeing support, and more! Add up to three family members to your plan, ensuring access to wellness for those who matter most to you. WELLZ: A complete emotional wellbeing program with a unique approach. It offers personalized journeys that combine individual therapy sessions (52 per year) and on-demand content.  HEALTHCARE: Health, dental, and life insurance.  FLEXIBLE WORK: As a Flexible First company, we offer hybrid and remote options to give you the freedom to work in a way that suits you. The model for this specific role can be discussed with your recruiter and hiring manager. When you join, use our home office reimbursement to set up your home office.  FLEXIBLE SCHEDULE: Flexibility for us isn’t just about where we work—it also means being able to shape how and when we get things done. Together with their leaders, employees define sched