Senior TS Backend Engineer — Payments Infra, NYC Onsite

Plexus Resource Solutions Ltd; New York (NY); On-site; USD 140,000 - 200,000; Full time

Job summary

Plexus Resource Solutions Ltd is seeking a Senior Backend Engineer to own core backend systems in NYC, shaping foundational architectural decisions and building reliable infrastructure. It is a hands-on role within a small, senior team and requires US work authorization.

The role focuses on TypeScript/Node.js backend development, scalable distributed systems, and integration with complex external financial systems. Onsite in NYC with high autonomy and ownership.

Qualifications

• 5+ years of software engineering experience.
• Production experience with payments infrastructure.
• Strong TypeScript/Node.js backend experience.

Responsibilities

• Design and build core backend systems handling high-volume transactions.
• Own systems end-to-end across APIs, infrastructure, deployment, and reliability.
• Integrate with complex external financial systems.
• Drive backend architecture and engineering best practices.

Skills

Payments infrastructure

Distributed systems

Backend engineering

Node.js

TypeScript

Tools

AWS

Kubernetes

Terraform

Temporal

Solana

Rust

Job description

Plexus Resource Solutions Ltd is seeking a Senior Backend Engineer to own core backend systems in NYC, shaping foundational architectural decisions and building reliable infrastructure. It is a hands-on role within a small, senior team and requires US work authorization.

The role focuses on TypeScript/Node.js backend development, scalable distributed systems, and integration with complex external financial systems. Onsite in NYC with high autonomy and ownership.