Senior Backend Engineer - Java for Fintech Payments

Tinet S.A.; Santiago; On-site; CLP 25,000,000 - 38,000,000; Full time

Job summary

Insight Global partners with a leading global fintech client to recruit a Senior Backend Software Engineer. You will design, build, and enhance a payments platform, delivering scalable backend services for onboarding, payments, settlement, FX, and financial transactions.

The role requires hands-on leadership, mentoring, and a drive to modernize systems across production environments while collaborating with product, compliance, and operations teams.

Qualifications

• 6+ years of backend software engineering experience.
• Experience with C#/.NET or Java, Go, or other OOP languages 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, AWS preferred.
• Daily use of AI development tools such as Copilot, Cursor, Claude Code, etc.

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 financial operations.
• Collaborate with product, compliance, and operations 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.
• 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

Backend engineering

Microservices

AWS

CI/CD

Distributed systems

Payments fintech

AI tools

Mentoring

Communication

Tools

AWS SQS

AWS Lambda

AWS ECS

DynamoDB

S3

Copilot

Job description

Insight Global partners with a leading global fintech client to recruit a Senior Backend Software Engineer. You will design, build, and enhance a payments platform, delivering scalable backend services for onboarding, payments, settlement, FX, and financial transactions.

The role requires hands-on leadership, mentoring, and a drive to modernize systems across production environments while collaborating with product, compliance, and operations teams.