Senior Software Engineer Backend

Summary

Join Wellhub, a corporate wellness platform, as a Senior Backend Software Engineer in Brazil. You will be part of the GPS - Payments team, responsible for a platform processing millions of transactions globally. This role involves designing, developing, and maintaining services focusing on performance, scalability, and resilience. You will collaborate with cross-functional teams and work with cutting-edge technologies. The position offers opportunities for leadership development and skill enhancement in areas like scalability and system architecture. Wellhub prioritizes a collaborative and agile work environment, valuing employee wellbeing and work-life balance. This is a chance to contribute to a high-growth tech company making a real difference in the health and wellness space.

Requirements

• 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

Responsibilities

• 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
• Implement and deliver solutions working with a cross-functional team
• Develop leadership skills, working closely with mid-level and junior engineers and help them speed up their learning curve
• 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

Preferred Qualifications

• 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

Benefits

• 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
• Health, dental, and life insurance
• 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
• 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
• 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
• 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
• Outstanding opportunities for personal and career growth. That means we maintain a growth mindset in everything we do and invest deeply in employee development
• 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