Senior Backend Software Engineer | Care

At Wellhub (formerly Gympass) (Permanent), in Brazil Expires at: 2025-06-09 Remote policy: Full remote Apply now for a career that puts wellbeing first
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 2012 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.
THE OPPORTUNITY We are hiring a Senior Backend Software Engineer to our CARE team in Brazil
We are looking for a passionate and skilled Software Engineer to join our team and help us build the next generation of AI-powered solutions.
This role focuses on generative AI, Retrieval-Augmented Generation (RAG) + LLMs fine tuning, and API integrations.
Talented software engineers, of any area, who would like to shift their career to invest in AI are welcome to apply if they are a match to some of the qualifications and preferred qualifications listed below.
YOUR IMPACT 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.
Main requirements WHO YOU ARE Bachelor's or Master's degree in Computer Science, Mathematics, Statistics, Engineering, or a related field; Experience in programming languages such as Python, Go, 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; Able to work efficiently on high scalable and distributed projects; Proven experience with projects where the scope is not clearly defined; Fast 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; Strong communication (both in English and Portuguese) skills.
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 software engineering and Python are mandatory requirements.
Nice to have The following are considered to be a plus: Proven experience with one or more topics listed in the Responsibilities section; Familiarity with large language models, 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.
Benefits & Perks 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 100% 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.