Senior Backend Engineer - Fintech Payments (Onsite Spain)

Insight Global; Madrid; Presencial; EUR 70.000 - 95.000; Jornada completa

Descripción de la vacante

Insight Global are seeking a Senior Back-End Engineer for a leading global financial technology organisation specialising in international payments, foreign exchange, and multi-currency account solutions. This role requires 3 days onsite in Alcobendas, Spain.

You will design, develop, and support scalable backend services powering payment processing, onboarding, compliance workflows, settlement functions, and other critical platform capabilities.

Formación

• Bachelor's degree in Computer Science, Software Engineering, or related discipline.
• Strong experience developing and supporting production-grade backend applications.
• Experience with C# and .NET; Java/Kotlin/Go are a plus.
• Strong SQL/database design knowledge.
• Experience writing automated tests.
• Daily use of AI-assisted development tools (e.g., Copilot).
• Hands-on AWS deployment experience.
• Experience with CI/CD and modern cloud deployment.
• Knowledge of AWS services (SQS, DynamoDB, S3, ECS, Lambda).
• Strong microservices, distributed systems, and system design understanding.
• Experience in payments/fintech/regulatory environments.
• Technical leadership: mentoring, design reviews, architectural influence.
• Excellent written and verbal communication skills.

Responsabilidades

• Design and own backend services for payments, onboarding, KYC/KYB, FX, and settlements.
• Lead technical delivery from requirements to deployment and production support.
• Develop and maintain partner integrations and settlement infrastructure.
• Own service reliability, observability, monitoring, incident response, and operational excellence.
• Lead architecture discussions, design reviews, and technical decisions.
• Mentor engineers through code reviews and best practices.
• Collaborate with product, compliance, operations, and engineering to deliver compliant solutions.
• Utilise AI-assisted development tools throughout the SDLC to boost productivity.
• Contribute to modernization and migration of legacy systems.

Conocimientos

C#/.NET

SQL & relational DBs

CI/CD pipelines

AWS

Microservices

Distributed systems

KYC/KYB

AI-assisted development

Leadership

Testing automation

Java/Kotlin/Go

Educación

Bachelor's degree in Computer Science

Herramientas

GitHub Copilot

Jira

Confluence

Postman

Bruno

Descripción del empleo

Insight Global are seeking a Senior Back-End Engineer for a leading global financial technology organisation specialising in international payments, foreign exchange, and multi-currency account solutions. This role requires 3 days onsite in Alcobendas, Spain.

You will design, develop, and support scalable backend services powering payment processing, onboarding, compliance workflows, settlement functions, and other critical platform capabilities.