Backend Engineer (Java / Scala / Kafka / AI)

CertifiedDevs; Lisboa; Presencial; EUR 90 000 - 130 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Equity

Resumo da oferta

Riskified in Lisbon is hiring Backend Engineers across multiple levels to build AI-powered fraud detection systems for leading ecommerce brands. The role uses Java/Scala/Node.js, Kafka, Kubernetes, AWS, and Databricks in a hybrid Lisbon setting.

You will collaborate with Data Science teams, ensure real-time performance and security, and contribute to a growing Lisbon hub with exposure to backend, AI, and DevSecOps.

Qualificações

• Backend experience with Java/Scala/Node.js.
• Kafka, Kubernetes, and AWS proficiency.
• Experience with high-throughput, low-latency distributed systems.
• Fintech/payments or fraud detection experience a plus.
• Hybrid in Lisbon, Portugal (2 days/week onsite).

Responsabilidades

• Build and scale backend services powering AI fraud detection for global ecommerce brands.
• Work with Kafka event streaming, Kubernetes, and AWS infrastructure.
• Develop data pipelines and ML-ready data systems on Databricks.
• Collaborate with Data Science teams on productionizing fraud detection models.
• Ensure reliability, performance, and security of real-time risk systems.

Conhecimentos

Java

Scala

Node.js

Kafka

Kubernetes

AWS

Distributed systems

Fraud detection

Ferramentas

Databricks

Terraform

Python

Descrição da oferta de emprego

Riskified is hiring Backend Engineers at multiple levels for its Lisbon engineering hub. Build AI-powered fraud detection systems used by global ecommerce brands. Stack: Scala, Java, Node.js, Kafka, AWS, Kubernetes, Docker, Python, Terraform, Databricks, and AI technologies.

Responsibilities

• - Build and scale backend services powering AI fraud detection for global ecommerce brands
• - Work with Kafka event streaming, Kubernetes, and AWS infrastructure
• - Develop data pipelines and ML-ready data systems on Databricks
• - Collaborate with Data Science teams on productionizing fraud detection models
• - Ensure reliability, performance, and security of real-time risk systems

• - Competitive salary + equity (publicly traded on NYSE)
• - Hybrid in Lisbon (2 days/week)
• - Work on fraud prevention for global ecommerce brands
• - Growing Lisbon engineering hub with multiple roles
• - International exposure across backend, AI, and DevSecOps

Requirements

• - Backend engineering experience with Java, Scala, or Node.js
• - Kafka, Kubernetes, and AWS proficiency
• - Experience with high-throughput, low-latency distributed systems
• - Fintech, payments, or fraud detection experience a plus
• - Hybrid in Lisbon, Portugal (2 days/week onsite)

About Riskified

Riskified (NYSE: RSKD) is a publicly traded fintech company building AI-powered fraud prevention solutions for some of the world's largest ecommerce brands including Wayfair, Macy's, and Booking.com. Growing its Lisbon Engineering team across Backend, Full Stack, AI Engineering, DevSecOps, and Data Science.

Company Size