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Senior / Staff Backend Engineer

OrangePeopleUnited States🇺🇸United StatesPosted 5 Jul 2026

Quick Overview

Work Type
Remote
Level
Mid Senior

Job Description

OP is partnering with a fast-growing iGaming startup to hire talented individuals building the next generation of sweepstakes-based gaming experiences. Operating at the intersection of gaming, technology, and user engagement, the platform enables seamless cross-game interactions powered by innovative mechanics. With plans to rapidly scale this year, the team is seeking builders who thrive in fast-paced environments where ideas move from concept to live product in weeks.
Requirements:
  • 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.
  • Exclusions: Java, Spring Boot, Go, .NET.
Why Join?
  • Opportunity to work on a live, scaling product.
  • High-growth environment with strong career progression.
  • Fully remote with flexible work culture.
  • Collaborative, innovation-driven team with direct leadership exposure.
Benefits:
  • 100% medical, dental & vision coverage (partial for dependents).
  • 401(k) employer match.

Skills

Express
NestJS
Node.js
Spring
Spring Boot
PCI DSS
Scrum
Agile
.NET
GraphQL
Java
PostgreSQL
REST
TypeScript

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