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Job · Senior

Senior Application Engineer

Other • Senior • On-site • Full-time Portugal Lisbon, Portugal

Mollie is looking for a Senior Engineer to help build new financial products (e.g. Mollie Capital, in-person payments) and systems handling growing transaction volumes.

Responsibilities

  • Design systems that scale to handle high transaction volumes
  • Iterate from idea to final solution, building and measuring features customers love
  • Mentor junior team members, share knowledge
  • Lead technical initiatives from architecture to implementation
  • Solve complex issues with creative problem-solving
  • Create documentation for knowledge sharing
  • Own code quality and engineering excellence

Requirements

  • 6+ years developing large-scale applications, preferably PHP or Java, open to Go/C#/Python
  • Proven experience leading architectural decisions and technical initiatives
  • Experience mentoring junior developers
  • Excellent communication with various stakeholders
  • Creative problem-solving, product-first mindset
  • Proactive ownership

Nice to have

  • Go, C# or Python experience

Soft skills

mentoringproblem-solvingcommunicationownership

About the company

Mollie serves 250,000+ businesses across Europe, aiming to make accepting payments, driving revenue, accessing capital and managing money seamless for merchants.

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