Senior Full-Stack Engineer - Build a Safer Trading Platform

Adevinta; Barcelona; Híbrido; EUR 75.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private health insurance

Gym access

Development budget

Learning opportunities

Corporate benefits

Referral program

Hybrid work

26 days holidays

Work from anywhere

Descripción de la vacante

Kleinanzeigen in Germany is seeking a Senior Full Stack Engineer to build and operate services in the Trust & Safety domain, preventing fraud and protecting users. You will work in a cross-functional team with Product, Customer Service, Analytics and Engineering to make the platform safer for millions of users.

You will own end-to-end backend and frontend development, design scalable systems, and drive architecture decisions.

Formación

• 6+ years of programming experience in Java backend development.
• Experience with Spring Framework and Spring Boot.
• Experience with event-driven architectures and Kafka.
• Ability to design scalable distributed systems on cloud platforms.
• Experience mentoring engineers and ownership mindset.
• Familiarity with AI-assisted development tools and trade-offs.

Responsabilidades

• Own backend and frontend services end-to-end in the Trust & Safety domain.
• Deliver full-stack features from Java/Spring to Astro-based server-rendered micro-frontends and widgets.
• Design scalable and resilient systems handling high traffic.
• Drive architecture evolution and trade-offs between performance, scalability, and cost.
• Collaborate with Product and Design to build a safer Kleinanzeigen platform.
• Raise engineering standards through code reviews, testing strategies, and processes.
• Ensure system reliability with monitoring, alerting, and incident handling.
• Leverage AI-assisted tools to improve developer productivity and delivery quality.

Conocimientos

Java backend development

Spring Framework

Spring Boot

TypeScript

React

Distributed systems design

Kafka

System design

Domain-Driven Design

Clean Code

Herramientas

AWS

Kubernetes

Astro

MySQL

Cassandra

Elasticsearch

Descripción del empleo

Kleinanzeigen in Germany is seeking a Senior Full Stack Engineer to build and operate services in the Trust & Safety domain, preventing fraud and protecting users. You will work in a cross-functional team with Product, Customer Service, Analytics and Engineering to make the platform safer for millions of users.

You will own end-to-end backend and frontend development, design scalable systems, and drive architecture decisions.