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Backend Developer

Smart State

Fort Lee · On-site Full-time Mid Level 2w ago

About the role

About the Role

Are you ready to own the backend systems behind a fast‑growing iGaming platform?

Smart State Inc. is expanding! We’re looking for a Backend Developer with deep Node.js and Nest.js experience to join our New Jersey‑based Product & R&D team. If you’re passionate about building scalable, high‑performance services and enjoy solving complex engineering challenges alongside strong technical peers, this is your chance to make a visible impact on a global platform.

Location: Fort Lee, NJ (100% On‑site)
Work Mode: Full‑time (Remote/Hybrid not available)

Responsibilities

  • Develop, maintain, and scale robust backend services using Node.js and Nest.js.
  • Design and implement third‑party API integrations and new platform modules from concept through deployment.
  • Write clean, maintainable, and well‑tested code following TDD principles.
  • Work with SQL and NoSQL databases (MongoDB, MySQL, Redis) to support high‑volume data operations.
  • Implement REST, GraphQL, and WebSocket communication across services.
  • Collaborate closely with Frontend, DevOps, and Product teams to deliver reliable, end‑to‑end features.
  • Apply best practices in microservices architecture, scalability, observability, and performance optimization.
  • Participate in code reviews, architecture discussions, and continuous integration initiatives.

Requirements

  • 5+ years of professional experience in web/backend development.
  • 3+ years of hands‑on experience with Node.js (Nest.js framework strongly preferred).
  • Deep knowledge of JavaScript (ES6+) and modern backend design patterns.
  • Practical experience working with high‑volume SQL and NoSQL databases.
  • Proficiency with Git and collaborative development workflows.
  • Experience with message brokers such as RabbitMQ or Redis Pub/Sub.
  • Solid understanding of TDD and experience writing automated unit and integration tests.
  • Strong fundamentals in microservices architecture, distributed systems, and fault tolerance.
  • Strong problem‑solving skills and comfort working in a fast‑paced, agile environment.
  • Excellent communication skills, with advanced English fluency.

Preferred Experience

  • 2+ years of experience with CI/CD pipelines, containerization, and microservices deployment.
  • Familiarity with Kubernetes or other container orchestration systems.
  • Experience with NATS or similar messaging systems.
  • Hands‑on experience with TypeScript and advanced Node.js tooling.

Why Join Smart State Inc.?

Smart State Inc. is a rapidly growing technology company that blends software engineering, analytics, and product thinking to deliver reliable, innovative digital solutions. It’s a place where backend specialists, frontend engineers, and product thinkers can have real impact on the iGaming industry and where smart ideas are encouraged to act boldly.

Benefits

  • Comprehensive medical, dental, and vision + 401(k)
  • Generous PTO policy
  • Partially subsidized in‑office breakfasts and lunches

Culture

  • Collaborative, international team that celebrates milestones, birthdays, and wins together

Growth

  • Significant opportunities for professional development, technical ownership, and leadership as we scale our platforms and infrastructure

Equal Opportunity Employer

Smart State Inc. is proud to be an Equal Opportunity Employer. We believe diverse perspectives make us stronger and provide equal employment opportunities to all applicants regardless of race, color, religion, gender identity, sexual orientation, national origin, disability, veteran status, or any other protected characteristic.

Requirements

  • 5+ years of professional experience in web/backend development.
  • 3+ years of hands-on experience with Node.js (Nest.js framework strongly preferred).
  • Deep knowledge of JavaScript (ES6+) and modern backend design patterns.
  • Practical experience working with high‑volume SQL and NoSQL databases.
  • Proficiency with Git and collaborative development workflows.
  • Experience with message brokers such as RabbitMQ or Redis Pub/Sub.
  • Solid understanding of TDD and experience writing automated unit and integration tests.
  • Strong fundamentals in microservices architecture, distributed systems, and fault tolerance.
  • Strong problem‑solving skills and comfort working in a fast‑paced, agile environment.
  • Excellent communication skills, with advanced English fluency.

Responsibilities

  • Develop, maintain, and scale robust backend services using Node.js and Nest.js.
  • Design and implement third‑party API integrations and new platform modules from concept through deployment.
  • Write clean, maintainable, and well‑tested code following TDD principles.
  • Work with SQL and NoSQL databases (MongoDB, MySQL, Redis) to support high‑volume data operations.
  • Implement REST, GraphQL, and WebSocket communication across services.
  • Collaborate closely with Frontend, DevOps, and Product teams to deliver reliable, end‑to‑end features.
  • Apply best practices in microservices architecture, scalability, observability, and performance optimization.
  • Participate in code reviews, architecture discussions, and continuous integration initiatives.

Benefits

medical insurancedental insurancevision insurance401(k)PTO

Skills

GraphQLJavaScriptMongoDBMySQLNest.jsNode.jsRabbitMQRedisRESTSQLTypeScriptWebSocket

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