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Senior Java Backend Engineer

Lisbon, Portugal (DeHouse)💼 Full-time🗓 2026-09-23 → 2026-09-26

Core

Develop and deliver best-of-breed authentication products (ID Check, Token Authentication Service, Token Authentication Framework) for e-commerce transactional use cases to drive product uptake and revenue.

Role type

Senior IC backend engineer (Java/Spring)

Builds

Authentication products for Mastercard's e-commerce transactional use cases

Domain

Payments / Financial Services / Authentication

Deliverable

production ML models | product features

Required skills

Java, Spring, RESTful APIs, microservices architectures, unit/component/integrated/functional testing (Junit, Mockito, Cucumber), code review, technical trade-off analysis

Preferred skills

Kafka, Grafana, Splunk, Pivotal Cloud Foundry, Agile environments

Technologies

Java, Spring, REST, Kafka, Grafana, Splunk, Pivotal Cloud Foundry

Responsibilities

Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation), drive code/design/process trade-off discussions, report status and manage risks, perform demos/acceptance discussions with Product owners, drive adoption of technology standards and review team coding/test/automation work, identify opportunities to improve processes and trim waste, share and seek knowledge to drive reuse of patterns/libraries/practices

Seniority

Senior, hands-on IC

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