Senior Software Engineer Backend | Payments

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 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. Learn more about it here.

THE OPPORTUNITY

We are hiring a Senior Backend Software Engineer to our GPS - Payments team in Brazil!

Responsible for the platform that serves the entire Wellhub business, processing millions of transactions for users and companies around the globe. We work closely with cross-functional teams and payment service providers to deliver optimum checkout conversion rates and efficient account management interactions.

We are creating a new architecture and set of systems that will guarantee consistency across multiple areas and services.

YOUR IMPACT

You will research and execute strategic projects along with your team. Your deliverables influence B2B and B2C checkout conversion around the globe by both creating new payment mechanisms and improving/maintaining existing ones.

Together with the technical leadership, you will implement and deliver solutions working with a cross-functional team.

You will have the opportunity to develop leadership skills, working closely with mid-level and junior engineers and help them speed up their learning curve. You will also have opportunities to develop engineering skills by getting involved in scalability problems, system architecture, and code quality assurance, among others.

• 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.
• Work in a collaborative and agile environment that prioritizes people over process.
• 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

• Commitment to delivering high-quality, maintainable solutions and continuously improving processes
• Proven experience designing and implementing RESTful APIs using Java/Kotlin with Spring Framework (primary technology stack).
• Strong knowledge of asynchronous processing, message queuing, and retry/backoff strategies for reliable system communication
• Solid software architecture expertise, including:
• Event-driven architectures
• Domain-Driven Design (DDD)
• Hexagonal / Ports & Adapters architecture
• Strong software quality orientation with proficiency in automated testing (unit, integration and e2e tests)
• Hands-on experience with AWS Cloud Services and Cloud-Native environments (Kubernetes, container orchestration, service discovery).
• Expertise in designing and implementing observability and traceability strategies, including distributed tracing, centralized logging, and metrics instrumentation.
• Proven track record with microservices architectures, high-throughput distributed systems, and resilience engineering techniques (circuit breakers, retries, fallback mechanisms).
• Demonstrated ownership of technical decisions, architectural trade-offs, and phased delivery strategies throughout career.
• Bachelor’s degree in Computer Science or equivalent professional experience.

Additional Desirables:

• Experience developing services in Go.
• Practical experience with serverless architectures (e.g., AWS Lambda, Google Cloud Functions).
• Working knowledge of NoSQL databases (e.g., DynamoDB, MongoDB, Cassandra).
• Proficiency with Infrastructure as Code tools (e.g., Terraform).
• Experience with progressive delivery strategies such as blue-green deployments, canary releases, and feature flagging.

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

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:

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.

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.

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. Find more info on our careers page!

And to get a glimpse of life at Wellhub… Follow us on Instagram @lifeatwellhub and LinkedIn!

This is a recognition of the collaboration and impact we create together every day. Ready to be part of a team that’s making a real difference? Read more about the award here.

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 Aviso de Privacidade para Candidatos.

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