Senior Full-Stack Engineer — Payments Platform Lead

Sytac - Openings; Amsterdam; On-site; EUR 95,000 - 135,000; Full time

Benefits offered by this job

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Job summary

At Sytac, we seek a Senior Full Stack Software Engineer to join the Payments team in Amsterdam. You will design, build, and evolve applications touching millions of customers, using a containerized Java stack and modern frontend tech.

You will own features end-to-end, mentor peers, and help migrate legacy card systems to a unified platform while advancing a shift-left culture and cross-country collaboration.

Qualifications

• 6+ years of professional software development experience.
• Experience with end-to-end feature delivery and leadership.
• Fluency in English, spoken and written.

Responsibilities

• Design, build, and enhance applications for debit/credit services across issuance, blocking, and PIN requests.
• Lead a big migration of legacy cards to a unified platform across countries.
• Shape new credit card offerings and subscription models within a modern product portfolio.
• Work across the stack with Java, Spring Boot, and frontend tech; own deployments in OpenShift/Kubernetes.

Skills

Mentoring/leadership

System design

Architectural thinking

Communication

English fluency

Tools

Java

Spring Boot

Maven

Azure DevOps

Kafka

Cassandra

Oracle

Lit HTML/Web Components

NPM

OpenShift

Helm

Kubernetes

Docker

Job description

At Sytac, we seek a Senior Full Stack Software Engineer to join the Payments team in Amsterdam. You will design, build, and evolve applications touching millions of customers, using a containerized Java stack and modern frontend tech.

You will own features end-to-end, mentor peers, and help migrate legacy card systems to a unified platform while advancing a shift-left culture and cross-country collaboration.