Senior Backend Software Engineer | Payments

Job Description

Wellhub is seeking a Senior Backend Software Engineer to join its Payments team in Portugal. The company is a corporate wellness platform that connects employees to fitness, mindfulness, and nutrition resources. The Senior Backend Software Engineer will be responsible for the platform that serves the entire Wellhub business, processing millions of transactions for users and companies around the globe.

The role involves working closely with cross-functional teams and payment service providers to deliver optimum checkout conversion rates and efficient account management interactions. The ideal candidate will have a solid history of delivering quality projects, hands-on technical experience, and a willingness to collaborate with a team of engineers.

Responsibilities:

• Research and execute strategic projects with the team.
• Implement and deliver solutions in collaboration with a cross-functional team.
• Develop leadership skills by mentoring mid-level and junior engineers.
• Participate in the development of critical and challenging services.
• Design, develop, test, deploy, maintain, and improve services.
• Build integrations with 3rd party APIs and tools.

Requirements:

• Solid experience with RESTful APIs written in Java/Kotlin + Spring.
• Experience with asynchronous processing and data pipelines.
• Software Architecture knowledge.
• Experience with Event-driven architectures.
• Knowledge of Serverless.
• Software quality and test automation mindset.
• Experience with Cloud computing (AWS) and Cloud Native (K8s).
• Experience with SQL technology such as PostgreSQL, MySQL, Oracle, SQL Server, or any other relational database.
• Experience with microservices and high-volume distributed systems.
• Bachelor’s degree in computer science or equivalent professional experience.
• Ability to present work in English or Portuguese.

What Wellhub Offers:

• Wellhub Gold plan at no cost, with discounted premium plans.
• Additional fitness subsidy for onsite gyms and studios.
• Flexible work options (hybrid and remote).
• Home office stipend and monthly flexible work allowance.
• Minimum of 25 days paid holiday per year.
• Paid parental leave.
• Career growth opportunities.