Senior Backend Software Engineer | Artificial Intelligence

Your wellbeing matters. Join a company that cares. GET TO KNOW US Wellhub (formerly Gympass*) is a corporate wellness platform that connects employees to the best partners for fitness, mindfulness, therapy, nutrition, and sleep, all included in one subscription designed to cost less than each individual partner. Founded in and headquartered in NYC, we have a growing global team in 11 countries. At Wellhub, you have the opportunity to build a career in a high-growth tech company that places wellbeing at the foundation of its culture, and contribute to making every company a wellness company. *Big news: Gympass is now Wellhub  We are thrilled to announce our rebranding as Wellhub, marking a significant milestone in our journey. This transformation reflects our evolution from a “pass for gyms” to a comprehensive employee wellbeing solution. With our refreshed identity, we are poised to embark on an exciting new chapter of growth and expansion. We are elevating our offerings, including a completely new app experience and an expanded network of wellbeing partners. Learn more about it THE OPPORTUNITY We are hiring a Senior Backend Software Engineer to our Partner Content (CODE) team in Brazil   CODE is an acronym for Consumer Digital Experience, which means we're in charge of the experience and services that will guide people in their wellbeing journey. Our main goal in CODE is to make every company a wellness company. From knowing about Wellhub, and getting access to exclusive benefits, to using our vast partner's network, it is in the end-user experience. CODE teams are responsible for developing and maintaining Wellhub's App, frontend, and backend services, and Design System and work closely with product, UX, and data teams to create an excellent experience for the users of our platform. Our mission as the Partners Content squad is to surpass subscribers' expectations when visiting new partners. We are responsible for building, updating and maintaining all the information from our partnerships (their logo, company information, contacts, activities, among others) to the subscribers. In summary, everything partner-content related that has an impact on subscribers is under our umbrella. YOUR IMPACT You will be working on one or more of the following exciting areas: Generative AI Development: Design, develop, and implement generative AI-based applications. Work with large language models (LLMs) to create innovative applications and solutions. Conduct research to stay updated with the latest advancements in generative AI. Retrieval-Augmented Generation (RAG): Develop and optimize RAG systems to enhance the performance and accuracy of AI models. Implement robust data retrieval mechanisms to support RAG frameworks. Collaborate with data engineers to ensure seamless integration of data pipelines. API Development and Integration: Design and develop APIs to interface with various AI models and services. Ensure APIs are secure, scalable, and performant. Ensure seamless integration of our AI applications with other software systems, enhancing interoperability and functionality (e.g., WhatsApp, Slack, Teams, Google Chat, and other 3rd party mobile applications). Collaboration and Communication: Work closely with cross-functional teams including product managers, designers, and other engineers. Participate in code reviews and provide constructive feedback to peers. Communicate technical concepts and project progress effectively to non-technical stakeholders. 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 Bachelor’s or Master’s degree in Computer Science, Mathematics, Statistics, Engineering, or a related field; Strong skills in programming languages such as Python, Go, Kotlin, Java, C or C++; Experienced in working with SQL/NoSQL technologies (e.g., OpenSearch, DynamoDB, PostgreSQL) understanding common use cases and performance pitfalls; Experience with API development and integration; Excellent problem-solving skills and attention to detail; Strong communication (both in English and Portuguese) and teamwork skills; Able to work efficiently on highly scalable and distributed projects; Proven experience with projects where the scope is not clearly defined; Faster learner, easily adapting to new technologies quickly and efficiently; Passionate and proven experience to build reliable minimum viable products and pilots in a short amount of time. The following are preferred qualifications: PhD degree in Computer Science, Mathematics, Statistics, Engineering, or a related field; Proven experience with one or more topics listed in the Responsibilities section; Familiarity with large language models, and generative AI frameworks (e.g., Haystack, Langchain, LlamaIndex, HuggingFace, Ollama, AWS Bedrock); Knowledge of retrieval-augmented generation (RAG) and related technologies; Experience with cloud platforms (e.g., AWS, GCP, Azure); Knowledge of data engineering and ETL processes (e.g., Spark, Flink); Experience with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch); Understanding of natural language processing (NLP) and computer vision; Experience with Kubernetes for containerization and orchestration. 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 %. 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 software engineering and AI are mandatory requirements. WHAT WE OFFER YOU We're a wellness company that is committed to the health and wellbeing of our employees. Our flexible program allows you to customize your benefits, according to your needs Our benefits include: WELLNESS: Health, dental, and life insurance. FLEXIBLE WORK: At Wellhub, flexibility fosters a happier, healthier, and more productive work environment for everyone. As a Flexible First company, we offer two work model options: flexible hybrid and full remote, and make the office a place for collaboration, community, and team building. The model for this role can be discussed with your recruiter and hiring manager. We offer all employees a home office stipend and a monthly flexible work allowance to help cover the costs of working from home.  FLEXIBLE SCHEDULE: Wellhubbers and their leaders can make the best decisions for their scope. This includes flexibility to adjust their working hours based on their personal schedule, time zone, and business needs. WELLHUB: We believe in our mission and encourage our employees and their families to take care of their wellbeing too. Access onsite gyms and fitness studios, digital fitness programs, and online wellness resources for meditation, nutrition, mental health support, and more. You will receive the Gold plan at no cost, and other premium plans will be significantly discounted. PAID TIME OFF: We know how important it is that our employees take time away from work to recharge.  Vacations after 6 months and 3 days off per year + 1 day off for each year of tenure (up to 5 additional days) + extra day off for your birthday. PAID PARENTAL LEAVE: Welcoming a new child is one of the most special moments in your life and we want our employees to take the time to be present and enjoy their growing family. We offer % paid parental leave to all new parents and extended maternity leave. CAREER GROWTH: Outstanding opportunities for personal and career growth. That means we maintain a growth mindset in everything we do and invest deeply in employee development. CULTURE: An exciting and supportive atmosphere with ambitious people from around the world You’ll partner with global colleagues and share in the success of a high-growth technology company disrupting the health and wellness space. Our value-based culture of trust, flexibility, and integrity makes this possible every day. Find more info on our   Diversity, Equity, and Belonging at Wellhub We aim to create a collaborative, supportive, and inclusive space where everyone knows they belong. Wellhub is committed to creating a diverse work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, gender identity or expression, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. Questions on how we treat your personal data? See our #LI-REMOTE