Senior Backend Engineer — Fintech Payments Platform

Stefanini Latam; Santiago; On-site; CLP 88,322,000 - 127,576,000; Full time

Job summary

Insight Global is partnering with a leading global financial technology organization to modernize critical systems for cross-border payments and currency exchange. The role focuses on building scalable backend services across payments, onboarding, and settlements, with a strong emphasis on reliability and security.

The Senior Backend Software Engineer will work across architecture, product, compliance, and operations, mentoring mid-level engineers and driving modernization efforts using cloud

Qualifications

• 6+ years of backend software engineering experience.
• Strong experience with C#/.NET or another OOP language and willingness to work in a .NET environment.
• Experience building and supporting production-scale backend systems.
• Payments, fintech, FX, or money movement experience.
• Microservices, event-driven architecture, and system design experience.
• Cloud experience required; AWS preferred.
• Daily use of AI development tools such as Copilot or similar.
• Product-focused mindset with strong communication skills.
• Ability to thrive in a fast-paced, ambiguous environment.
• Experience with AWS services (SQS, Lambda, ECS, DynamoDB, S3) and distributed systems.

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.
• Leverage AI-assisted development tools to improve productivity and code quality.

Skills

C#/.NET

AWS

Microservices

Distributed systems

CI/CD pipelines

AI tools

Mentoring engineers

Communication skills

Tools

AWS SQS

AWS Lambda

AWS ECS

DynamoDB

S3

Job description

Insight Global is partnering with a leading global financial technology organization to modernize critical systems for cross-border payments and currency exchange. The role focuses on building scalable backend services across payments, onboarding, and settlements, with a strong emphasis on reliability and security.

The Senior Backend Software Engineer will work across architecture, product, compliance, and operations, mentoring mid-level engineers and driving modernization efforts using cloud