Senior Backend Engineer - Fintech Payments (Remote)

Blacksmith Agency Llc; Santiago; Remote; CLP 128,205,000 - 187,377,000; Full time

Job summary

Insight Global is partnering with a leading global financial technology organization to design, build, and modernize critical payments platforms. This Senior Backend Software Engineer will contribute across the full software development lifecycle, from architecture to production deployment and operational support.

The role emphasizes scalable backend services for payments, onboarding, settlement, and financial transactions, with collaboration across product, compliance, and engineering

Qualifications

• 6+ years of backend software engineering experience.
• Proficiency with C#/.NET or Java/Go and willingness to work in a .NET environment.
• Experience building and supporting production-scale backend systems.
• Payments, fintech, FX, or money movement experience.
• Microservices and event-driven architecture and system design experience.
• Cloud experience required; AWS preferred.
• Daily use of AI development tools such as Copilot, Cursor, Claude Code, 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).
• Experience leading technical design discussions and mentoring engineers.
• Experience with 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

Backend engineering

C#/.NET

Java

Go

Payments fintech

Microservices

AWS

AI tools usage

Mentoring engineers

Design reviews

CI/CD

Product mindset

Tools

Copilot

Cursor

Claude Code

Job description

Insight Global is partnering with a leading global financial technology organization to design, build, and modernize critical payments platforms. This Senior Backend Software Engineer will contribute across the full software development lifecycle, from architecture to production deployment and operational support.

The role emphasizes scalable backend services for payments, onboarding, settlement, and financial transactions, with collaboration across product, compliance, and engineering