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[Remote] Sr. Nodejs/TypeScript Engineer

Remote, USA Full-time Posted 2026-06-25

Note: The job is a remote job and is open to candidates in USA. OP is partnering with a fast-growing iGaming startup to hire talented individuals building the next generation of sweepstakes-based gaming experiences. The role involves designing, building, and scaling backend services using TypeScript and Node.js, while ensuring reliable API integrations and operational support in a dynamic, fast-paced environment.

Responsibilities

  • 5+ years designing, building, and scaling backend services powering gameplay, wallets, payments, promotions, and player account management using TypeScript + Node.js (Bonus: NestJS, Express)
  • Architect API first, microservice oriented systems that are modular, resilient, and independently deployable
  • Build and maintain reliable REST/GraphQL APIs and third party integrations (payments, KYC/identity, fraud, analytics)
  • Own backend features end to end from design and implementation through production rollout and operational support
  • Comfort developing and scaling systems that may operate across on-prem and cloud environments
  • Experience with transactional, audit-friendly systems is highly valued
  • Implement secure, audit friendly transaction processing for deposits, withdrawals, bonuses, and settlement workflows
  • Ensure consistency and traceability across high volume financial operations and asynchronous workflows
  • Proven ability to design scalable, reliable systems
  • Experience with transactions, integrations, and system architecture
  • Solid database skills (especially PostgreSQL)
  • Security-first mindset with attention to data integrity and traceability
  • Comfortable working autonomously in a startup environment
  • Collaborate with AppSec and compliance partners to meet PCI DSS expectations around access control, data handling, logging, and vulnerability remediation
  • Hands on experience using AI platforms to accelerate development and testing
  • Experience working in Agile/Scrum environments
  • Nice to have: FinTech, gaming, casino, payment, regulatory, WebSockets, or real-time systems experience

Skills

  • 5+ years designing, building, and scaling backend services powering gameplay, wallets, payments, promotions, and player account management using TypeScript + Node.js (Bonus: NestJS, Express)
  • Architect API first, microservice oriented systems that are modular, resilient, and independently deployable
  • Build and maintain reliable REST/GraphQL APIs and third party integrations (payments, KYC/identity, fraud, analytics)
  • Own backend features end to end from design and implementation through production rollout and operational support
  • Comfort developing and scaling systems that may operate across on-prem and cloud environments
  • Experience with transactional, audit-friendly systems is highly valued
  • Implement secure, audit friendly transaction processing for deposits, withdrawals, bonuses, and settlement workflows
  • Ensure consistency and traceability across high volume financial operations and asynchronous workflows
  • Proven ability to design scalable, reliable systems
  • Experience with transactions, integrations, and system architecture
  • Solid database skills (especially PostgreSQL)
  • Security-first mindset with attention to data integrity and traceability
  • Comfortable working autonomously in a startup environment
  • Collaborate with AppSec and compliance partners to meet PCI DSS expectations around access control, data handling, logging, and vulnerability remediation
  • Hands on experience using AI platforms to accelerate development and testing
  • Experience working in Agile/Scrum environments
  • Nice to have: FinTech, gaming, casino, payment, regulatory, WebSockets, or real-time systems experience

Benefits

  • 100% medical, dental & vision coverage (partial for dependents).
  • 401(k) employer match.

Company Overview

  • OP is one of the fastest-growing technology consulting and solutions companies in the U.S. It was founded in 2006, and is headquartered in Irvine, California, USA, with a workforce of 201-500 employees. Its website is http://www.orangepeople.com/.
  • Company H1B Sponsorship

  • OP has a track record of offering H1B sponsorships, with 8 in 2025, 5 in 2024, 1 in 2023, 8 in 2022, 6 in 2021, 11 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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