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Backend Engineer

Porto💼 Full-time🗓 2026-04-15 → 2026-09-26

Core

Build and maintain core backend systems for a financial platform serving local businesses across Europe, covering payments processing, core banking, and merchant lifecycle management.

Role type

Mid-level backend software engineer

Builds

Financial platform features for small and medium-sized businesses

Domain

Fintech / Payments / European SMB services

Deliverable

production ML models | product features

Required skills

Java or Kotlin, object-oriented programming, relational and non-relational databases, Git, problem-solving

Preferred skills

Cloud infrastructure (AWS, Kubernetes, Helm), authorization systems (RBAC, ABAC), BDD/TDD, CI/CD pipelines

Technologies

Java, Kotlin, Laravel, Spring, Reactor

Responsibilities

Develop and maintain clean, efficient, and well-tested code; take ownership of features and small projects from design to deployment; collaborate with cross-functional teams; participate in code reviews; troubleshoot system issues; document technical decisions

Seniority

Mid-level, hands-on IC

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