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Senior Back End Engineer I

Portugal, Lisbon💼 Full-time🗓 2026-09-21 → 2026-09-25

Core

Design, build, and own end-to-end delivery of highly reliable, secure, and scalable cloud-native software solutions for complex banking problems.

Role type

Senior IC backend engineer (distributed systems)

Builds

Core and payments technology running natively in the cloud for global banks

Domain

Fintech / Banking / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Go or Python, distributed systems, Kubernetes, AWS/GCP, gRPC, PostgreSQL, system architecture, incident management, technical leadership, mentoring, stakeholder communication

Preferred skills

experience with high-throughput production systems, breaking down ambiguous problems

Technologies

Go, Python, Kubernetes, AWS, GCP, gRPC, PostgreSQL

Responsibilities

Design and build reliable, secure, scalable software solutions; contribute to team guidelines for security, performance, and reliability; provide code quality feedback and peer reviews; investigate and resolve production incidents; lead technical interviews; own work items from concept to production; partner with Product Managers on feature prioritization and technical specifications; mentor less experienced engineers; translate technical concepts for non-technical stakeholders

Seniority

Senior, hands-on IC with leadership responsibilities

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