CareerPlanSign in

Senior Fullstack Software Engineer (Kotlin/Java/React) - Fintech

Deutschland💼 Full-time🗓 2026-07-30 → 2026-09-27

Core

Design, build, and deliver highly scalable software systems for global Wallet, Payment, and Anti-Fraud solutions powering millions of customers and merchants.

Role type

Senior Fullstack Software Engineer (Fintech)

Builds

Internal Payments engine, Wallet, Payment, and Anti-Fraud solutions

Domain

Fintech / Payments

Deliverable

production ML models | product features

Required skills

Java, Kotlin, TypeScript, React, Spring / Spring Boot, Hibernate, JUnit, PostgreSQL, distributed systems, CI/CD, automation

Preferred skills

Domain-Driven Design (DDD), SOLID principles, secure coding best practices, infrastructure automation

Technologies

Java, Kotlin, TypeScript, React, Spring, Spring Boot, Hibernate, JUnit, PostgreSQL, TanStack

Responsibilities

Lead backend and frontend engineering efforts; Own services end-to-end with a 'you build it, you run it' mindset; Drive high-quality software design using design patterns and DDD; Build secure, resilient systems; Influence engineering culture through technical mentorship.

Seniority

Senior, hands-on IC

Sourced via bundesagentur · Listed on CareerPlan, which tracks 813,000+ jobs from 20+ sources.