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Senior Software Engineer | Billing

Software Engineer • Senior • Remote • Full-time Portugal Portugal

Wellhub is hiring a Senior Backend Software Engineer for its Billing team in Portugal (fully remote within the country), joining an approximately 8-person team working from Brazil and Portugal to build the platform that processes millions of transactions globally.

Responsibilities

  • Participate in the development of some of the most critical and challenging services in the ecosystem, building long-term and sustainable solutions
  • Design, develop, test, deploy, maintain, and improve services focusing on performance, scalability, and resilience
  • Build integrations with 3rd party APIs 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

Requirements

  • Solid experience with RESTful APIs written in Java/Kotlin + Spring (main stack)
  • Experience with asynchronous processing and data pipelines
  • Software architecture knowledge: event-driven architectures and serverless
  • Software quality and test automation mindset
  • Cloud computing (AWS) and Cloud Native (K8s) experience
  • Experience with SQL databases such as PostgreSQL, MySQL, Oracle, SQL Server, or similar
  • Experience with NoSQL databases such as DynamoDB
  • Experience with microservices and high-volume distributed systems
  • Experience using AI agents during daily tasks and development

Soft skills

Focus on making things right and better at every opportunityCollaborative, people-over-process mindset

About the company

Wellhub is a workplace wellness platform connecting employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep, all in one simple subscription. Headquartered in NYC, with team members across Europe, North America, and South America.

Education: Számítástechnikai egyetemi diploma vagy azzal egyenértékű szakmai tapasztalat

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