Senior Full-Stack Engineer - Platform & Payments (Hybrid)

Xe.com; Alcobendas; Híbrido; EUR 65.000 - 80.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Performance bonus

ESPP (Employee Stock Purchase Plan)

Hybrid working model

Meal vouchers

Car allowance

Flexible holiday schedule

Birthday off

Annual salary reviews

Descripción de la vacante

Xe.com is seeking a senior full-stack engineer to own problems end-to-end, shaping API design, frontend experiences, and backend services for a cross-border payments platform. You’ll move money in production, design a modern platform, and lead delivery of customer-facing features with direct access to product, design, and compliance.

You will mentor engineers, lead design reviews, and collaborate with architects to modernize legacy services into a modern stack, leveraging AI tools daily across

Formación

• 6 to 10+ years building production web applications, end-to-end.
• Strong frontend proficiency with Vue.js, React, or equivalent.
• Strong backend proficiency in C# / .NET preferred; other OOP languages welcome (Java, Kotlin, Go, or equivalent).
• Solid SQL and relational database fundamentals.
• Writing and maintaining tests as part of how you ship.
• Daily use of agentic coding tools (Copilot, Cursor, Claude Code, or equivalent) across the SDLC.
• Production experience on AWS, including hands-on deployment, CI/CD pipelines and modern deployment practices, and native services such as SQS, DynamoDB, S3, ECS, and Lambda.
• Strong system design and architecture experience, including service-oriented or microservices and event-driven patterns.
• Payments, FX, or regulated-industry experience.
• Track record of technical leadership: mentoring engineers, leading design reviews, and making architecture decisions in your domain.
• Strong communication and collaboration across engineering, product, and design.

Responsabilidades

• Design and own features across the stack that move money and manage multi-currency balances across a range of domains, including onboarding, KYC and KYB, payment initiation, FX, settlement, and other supporting services.
• Lead delivery of customer-facing features that customers use every day, from the interface through to the services behind them.
• Own production health for your domain, including reliability, observability, on-call, and incident response.
• Lead cross-functional delivery with product, design, and compliance from problem framing through launch.
• Lead design reviews, set technical direction for your domain, and mentor mid-level engineers.
• Use agentic coding tools daily across the SDLC, and lead modernization from legacy services into the modern stack alongside architects and team leads in your domain.

Conocimientos

Frontend frameworks (Vue/React)

Backend C#/.NET

SQL

Testing/QA

CI/CD & AWS

System design

Payments/regulatory domain

Technical leadership

Communication & collaboration

Agentic coding tools (Copilot/Cursor/-

Herramientas

Copilot

Cursor

Claude Code

Descripción del empleo

Xe.com is seeking a senior full-stack engineer to own problems end-to-end, shaping API design, frontend experiences, and backend services for a cross-border payments platform. You’ll move money in production, design a modern platform, and lead delivery of customer-facing features with direct access to product, design, and compliance.

You will mentor engineers, lead design reviews, and collaborate with architects to modernize legacy services into a modern stack, leveraging AI tools daily across