Senior .NET Backend Engineer - FinTech Payments Platform

BairesDev; Santiago; Remote; CLP 67,829,000 - 116,279,000; Full time

Job summary

Insight Global is partnering with a leading global financial technology organization and is seeking a Senior Backend Software Engineer to design, build, and enhance its payments platform. You will contribute across the full software lifecycle, from architecture to production deployment, while mentoring peers and driving modernization of cloud-based services.

The role focuses on scalable backend systems for payments, onboarding, settlement, and high-volume transactions, with opportunity to

Qualifications

• 6+ years of backend software engineering experience.
• Strong experience with C#/.NET or another OOP language (Java, Go, etc.).
• Experience building and supporting production-scale backend systems.
• Payments/fintech, FX, or money movement experience is a plus.
• Microservices, event-driven architecture, and system design experience.
• Cloud experience required; AWS preferred.
• Daily use of AI development tools.
• Product-focused mindset with strong communication skills.

Responsibilities

• Design, develop, and maintain scalable backend services supporting financial transactions and payment platform functionality.
• Build and enhance systems related to onboarding, payments, settlement, foreign exchange, and business-critical financial operations.
• Collaborate with product, compliance, and operational teams to deliver new capabilities from concept through deployment.
• Develop and maintain integrations with external partners and third-party platforms.
• Drive service reliability, monitoring, observability, incident response, and production readiness within assigned domains.
• Participate in architecture discussions, technical planning, and design reviews.
• Provide mentorship and technical guidance to mid-level engineers.
• Contribute to modernization initiatives involving cloud infrastructure and platform transformation.

Skills

Backend engineering

C#/.NET

Java / Go

Microservices

Cloud AWS

CI/CD

AI tools usage

Payments/Fintech

Communication

Tools

AWS

Job description

Insight Global is partnering with a leading global financial technology organization and is seeking a Senior Backend Software Engineer to design, build, and enhance its payments platform. You will contribute across the full software lifecycle, from architecture to production deployment, while mentoring peers and driving modernization of cloud-based services.

The role focuses on scalable backend systems for payments, onboarding, settlement, and high-volume transactions, with opportunity to