Senior Software Engineer

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location : Remote - Based in LATAM / EST / Europe

Compensation : $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities :

• Build & Operate : Build and operate scalable backend services using Node.js / TypeScript and PostgreSQL .
• API Design : Design robust APIs that power financial transactions, ensuring idempotency, reliability , and a developer-friendly experience.
• Architecture : Architect solutions for complex challenges across core domains, including payments, ledgering, and reconciliation.
• Feature Delivery : Lead feature delivery from design through implementation, testing, and deployment.
• Code Quality & Mentorship : Review code and mentor peers, maintaining high standards for maintainability and quality across the codebase.
• Production Reliability : Investigate and resolve production issues with a focus on root cause prevention .

How You'll Work :

Requirements

Tools You'll Use :

Preferred Experience (Nice to Have) :

Benefits

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

Commitment to Equality and Accessibility :

At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.city.

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