Senior Backend Software Engineer | Achievements & Gamification

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 Backend Software Engineer in our Achievements & Gamification area 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 Brazil.  Our mission as Achievements & Gamification Squad is to create a rewarding experience for our users by highlighting our value proposition. We are transforming user real-time data into a narrative through gamification and rewards.   YOUR IMPACT Driven to deliver timely, high-quality work. Perform insightful pull-request reviews and build reusable code for future use; You proactively integrate AI agents into our engineering processes to drive unprecedented efficiency and automation; You treat AI as a force multiplier, strategically deploying it to solve complex technical bottlenecks and deliver measurable business value; Be data-driven and participate in and/or lead architectural decisions, share improvements opportunities, bring innovation to the table, and make sure design docs are up to date; Interact with product team and stakeholders to impact the business; Ensure successful deliveries, and promote the long-term technical health of our journeys; Take ownership of critical features, accountable and possess high level of ownership by following up engineering and product KPIs; Ensure a high bar on code quality standards, making sure devs are proud of their work; Technical reference for your team, spread development best practices such as code review, pair programming, TDD. Eager to learn and to share knowledge; Mentor less experienced developers; Take part in incident resolution and troubleshooting in the production; 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 wellness. WHO YOU ARE Bachelor's degree in Computer Science, Computer Engineering, or related discipline or equivalent practical experience; A true team player who loves working towards both team and individual goals with at least 5 years of experience in backend development; Experience designing, developing and maintaining complex modern web applications; Experience with at least two different programming languages such as Go, Scala, Kotlin, or Java; Experience with SQL/NoSQL technology such as PostgreSQL, MySQL, DynamoDB, Redis, understanding common use cases and performance pitfalls; Demonstrated AI Fluency and an Agentic Engineering mindset, with the strategic judgment to integrate AI tools into your daily routine to maximize productivity, ensure high-quality delivery, and maintain full accountability for all shipped work; Experience dealing with event-driven architectures and message brokers such as Kafka, RabbitMQ, SNS, etc., and an in-depth understanding of their use cases and pitfalls; Experienced in implementing prototypes and concepts such as MVP, A/B testing, and feature toggles for rolling-out features to production; Experience with monitoring, observability, and KPI tracking; Experience with Cloud-based architectures in AWS; Strong communication skills, including verbal and written English and Portuguese. 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 backend development and microservices 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 schedules that align with their time zones,