Senior Backend Engineer – Fintech Payments Platform

Finyks; Santiago; On-site; CLP 42,000,000 - 65,000,000; Full time

Job summary

Insight Global's client, a leading global financial technology organization, is seeking a Senior Backend Software Engineer to design, build, and optimize its payments platform. You will contribute across the full development lifecycle, from architecture to production deployment, shaping scalable backend services for payments, onboarding, settlement, and financial transactions.

The role offers collaboration with product, compliance, and operations teams, mentoring opportunities, and a focus on

Qualifications

• 6+ years of backend software engineering experience.
• Proficiency in C#/.NET; experience with alternative OOP languages welcome.
• Experience building production-scale backend systems.
• Payments/fintech, FX, or money movement experience.
• Microservices and event-driven architecture experience.
• Cloud experience, AWS preferred.
• Experience with AWS services (SQS, Lambda, ECS, DynamoDB, S3).
• CI/CD pipelines and modern deployment practices.

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, service-oriented architecture, and platform transformation efforts.
• Leverage AI-assisted development tools throughout the software development lifecycle to improve productivity and code quality.

Skills

C#/.NET

Microservices

Cloud AWS

Distributed systems

CI/CD pipelines

AI development tools

Payments/fintech

Communication

Tools

SQS

Lambda

ECS

DynamoDB

S3

Job description

Insight Global's client, a leading global financial technology organization, is seeking a Senior Backend Software Engineer to design, build, and optimize its payments platform. You will contribute across the full development lifecycle, from architecture to production deployment, shaping scalable backend services for payments, onboarding, settlement, and financial transactions.

The role offers collaboration with product, compliance, and operations teams, mentoring opportunities, and a focus on