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Senior Typescript Backend Engineer

OP

full-remoteseniorbackend United States Yesterday via LinkedIn

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Tags

TypeScriptNode.jsMicroservicesRESTGraphQLPostgreSQLPCI DSSFinancial TransactionsAgileSecurity-First

About the role

Role Overview

Senior Backend Engineer (TypeScript)

Build and scale backend services that power gameplay and critical player systems for a fast-growing iGaming startup. You’ll design API-first, microservice-oriented architectures and own backend features end-to-end, from implementation to rollout and operational support.

Responsibilities

  • Design and build backend services in TypeScript + Node.js powering gameplay, wallets, payments, promotions, and player account management
  • Architect API-first, microservice systems that are modular, resilient, and independently deployable
  • Develop and maintain REST/GraphQL APIs and third-party integrations (payments, KYC/identity, fraud, analytics)
  • Own backend features end-to-end: design → implementation → production rollout → operational support
  • Implement secure, audit-friendly transaction processing for deposits, withdrawals, bonuses, and settlement workflows
  • Ensure consistency, traceability, and reliability across high-volume financial operations and asynchronous workflows
  • Collaborate with AppSec and compliance partners to meet PCI DSS expectations (access control, data handling, logging, and vulnerability remediation)
  • Comfortably work across environments that may span on-prem and cloud

Requirements

  • 5+ years designing, building, and scaling backend services
  • Strong experience with TypeScript + Node.js (bonus for NestJS and/or Express)
  • Experience building transactional, audit-friendly systems
  • Proven ability to design scalable, reliable system architecture
  • Solid database skills, especially PostgreSQL
  • Security-first mindset focused on data integrity and traceability
  • Comfortable working autonomously in a startup environment
  • Experience working in Agile/Scrum environments
  • Hands-on experience using AI platforms to accelerate development and testing

Nice to Have

  • FinTech, gaming/casino, payments, or regulatory experience
  • WebSockets or real-time systems experience

Exclusions

  • Java, Spring Boot, Go, .NET

About OP

OP is hiring for a fast-growing iGaming startup focused on sweepstakes-based gaming experiences at the intersection of gaming, technology, and user engagement. The platform supports cross-game interactions and rapidly moves ideas from concept to live product, with plans to triple in size.

Scraped 4/10/2026

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