Full Stack Engineer - Lumos Team

riskified

Lisbon💼 Full-time💰 $50,000–$50,000🗓 2026-07-13 → 2026-07-30

Core

Build scalable FinTech products for payment fraud detection and risk intelligence, serving global ecommerce brands.

Role type

Full Stack Engineer (FinTech)

Builds

Real-time fraud detection systems, risk intelligence platforms, and core ecommerce risk offerings.

Domain

FinTech / Ecommerce / Fraud Prevention

Deliverable

production ML models | product features | infrastructure

Required skills

Server-side coding, React, Scala, SQL/NoSQL, Full-stack development, CI/CD, Stream applications

Preferred skills

Functional programming, Stream applications

Technologies

Scala, React, Kafka, ElasticSearch, Aerospike, Spark, Kubernetes, Docker, AWS

Responsibilities

Conceptualize and develop scalable architectures for machine learning systems; Engage with large-scale real-time and batch jobs; Continuously deploy code to production; Collaborate with engineering and product teams to implement new features.

Seniority

Mid-level, hands-on IC

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About riskified

Software Development714New York, NY, US

Riskified (NYSE:RSKD) empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights.