Senior Backend Software Engineer

About the Position

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!

Responsibilities

• Own critical SMB acquisition funnel services end to end, designing, deploying, and maintaining high-throughput backend applications in Kotlin and Go.
• Drive event-driven architecture and asynchronous messaging patterns using Kafka, ensuring data consistency, idempotency, and resilience across multiple services.
• Harden and scale direct integrations with business-critical platforms, collaborating closely with marketing and sales systems such as Salesforce, HubSpot, and Segment.
• Establish robust observability and reliability practices across all owned services, defining meaningful SLOs and alerts with Datadog and OpenTelemetry to catch issues proactively.
• Partner closely with Product, Marketing, and Sales stakeholders to translate business goals into well-architected technical solutions with transparent trade-offs.
• Collaborate actively across engineering teams to continuously evolve architecture, conduct thorough code reviews, and mentor peers through shared technical ownership.
• Leverage AI-assisted development workflows and engineering productivity tools to accelerate feature delivery, test coverage, and documentation.
• 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.

Requirements

• A skilled backend engineer with hands-on experience designing, building, and operating distributed systems in production environments.
• A versatile developer with solid production experience in Kotlin and Go, or extensive background in modern Java with strong enthusiasm to work primarily with Kotlin and Go.
• An experienced practitioner in event-driven systems and asynchronous processing, with practical knowledge of Kafka (or equivalent message brokers) and resilient API design.
• A cloud-oriented software engineer with practical experience managing containerized microservices deployed on AWS and Kubernetes.
• A pragmatic developer with solid experience in data modeling and database management across relational (PostgreSQL) and NoSQL (Redis, DynamoDB) datastores.
• An inquisitive technologist who actively leverages AI coding assistants and modern development tools to optimize daily workflows and engineering efficiency.
• An effective team communicator with fluency in Portuguese for daily squad interactions, and comfortable working proficiency in English for cross-team documentation and occasional stakeholder alignment.

We Offer

• Thoughtful benefits, emotional wellbeing resources, and a culture that empowers you to take ownership of your role and your wellbeing.
• 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!
• 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.
• Health, dental, and life insurance.
• Flexible work options, including hybrid and remote opportunities.
• Flexible schedule to align with your time zones, team needs, and personal routines.
• Paid time off, including vacations after 6 months and additional days off per year.
• 100% paid parental leave for new parents.
• Career growth opportunities with access to world-class platforms, interactive sessions, personalized development roadmaps, and internal opportunities.
• Join a team of passionate people who come together to break boundaries, support each other, and create a meaningful impact in workplace wellness.

About the Company

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.