Senior Full-stack Engineer (Node/TS)

Southgeeks

Wyoming, Wyoming Remote permanent

Posted: March 2, 2026

Job Description

Hi there :)

Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master!

About Us

At South Geeks, we connect top LATAM engineering talent with innovative companies building impactful products worldwide. We focus on long-term partnerships, strong technical environments, and creating spaces where professionals can grow, contribute, and thrive.

About the Client

Our client is a leading digital asset and cryptocurrency platform that provides institutional-grade trading infrastructure, liquidity solutions, and secure financial technology services. Their platform supports high-volume transactions and complex financial workflows, requiring strong engineering standards, scalability, and reliability.

About the Role

We’re looking for a Senior Full Stack Engineer to contribute across backend, frontend, and database layers in a fast-paced fintech environment.

This is a hands-on senior role where you will design and implement new features, maintain and refactor existing systems, estimate and plan technical work, and ensure performance and reliability across a high-availability platform. You’ll work closely with cross-functional teams while taking ownership of technical decisions and delivery.

What You Need to Succeed in This Role

• 5+ years of professional software engineering experience.

• Strong backend development experience with Node.js, TypeScript, and Express.js.

• Solid frontend development experience using TypeScript.

• Experience working with MySQL and SQL Server, including schema design and query optimization.

• Hands-on experience with AWS services in production environments.

• Strong understanding of Git-based workflows (GitHub).

• Ability to estimate tasks, participate in technical planning, and deliver features independently.

• Experience in maintaining and refactoring legacy codebases while improving overall system quality.

If You Get the Job, You Will Have To

• Design, develop, and maintain backend services and APIs.

• Build and enhance frontend components and features.

• Work closely with databases to ensure performance and data integrity.

• Participate in architectural discussions and feature estimation.

• Maintain, debug, and improve existing features and services.

• Contribute to scalable, secure, and reliable cloud-based deployments.

Our Team

We strive to create an inspiring and growth-oriented environment where everyone feels valued, heard, and empowered. We promote both personal and professional development, with individualized support for your needs and goals. We aim to build a space where everyone can thrive.

What We Offer

• Long-term projects

• 100% remote work

• Payment in USD

• Paid Time Off (PTO)

• Work-from-home & training reimbursement

• English lessons

• Technical training

• Career coaching

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