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Backend/Microservices Engineer

Sidzen LLCJersey City, NJ🇺🇸United StatesPosted 2 Sept 2026

Why This Role Stands Out

You'll have a significant impact by designing and building scalable microservices that bridge blockchain and enterprise systems, offering excellent opportunities for skill development in a cutting-edge tech environment. This hybrid role is perfect for experienced backend engineers who thrive on complex integrations and want to contribute to innovative solutions. Apply today to join a forward-thinking team and advance your career in this dynamic space.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Jersey City, NJ, United States
Posted
Yesterday
DockerMicroservicesNode.jsBlockchainGoogle CloudJavaKafkaKubernetesPythonWeb3

Job Description

Seeking a highly experienced Backend/Microservice Engineer to build the microservices layer connecting a blockchain platform with core enterprise systems. In this role, you will design and develop scalable, secure, and resilient backend services that enable seamless integration between on-chain and off-chain environments.

You will work closely with engineering, architecture, product, and enterprise integration teams to deliver services for transaction orchestration, reconciliation, event processing, and API connectivity.

Key Responsibilities

  • Design, develop, and maintain APIs and microservices integrating blockchain-based platforms with enterprise systems.
  • Build services supporting transaction orchestration, lifecycle management, reconciliation, and event processing.
  • Develop reliable integrations between on-chain and off-chain applications, data sources, and business processes.
  • Implement event-driven architectures using technologies such as Kafka or Google Cloud Pub/Sub.
  • Ensure the scalability, availability, security, and resilience of the services layer.
  • Apply microservices design principles, including service autonomy, observability, fault tolerance, and effective API versioning.
  • Collaborate with cloud, DevOps, security, and application teams to support cloud-native deployments.
  • Write clean, maintainable, well-tested code and contribute to technical documentation and design reviews.
  • Troubleshoot performance, integration, and production issues across distributed systems.
  • Help establish engineering best practices for backend development, CI/CD, monitoring, logging, and operational support.

Required Qualifications and Skills

  • Strong experience with one or more backend programming languages, such as:
    • Java
    • Node.js
    • Python
    • Go
  • Proven experience designing and developing APIs and microservices.
  • Strong understanding of event-driven architectures and messaging platforms, including Kafka and/or Google Cloud Pub/Sub.
  • Experience with distributed systems, asynchronous processing, and enterprise application integration.
  • Cloud-native development experience, preferably with Google Cloud Platform (Google Cloud Platform).
  • Knowledge of scalability, resilience, fault tolerance, observability, and performance optimization.
  • Familiarity with software development best practices, automated testing, source control, and CI/CD pipelines.
  • Strong analytical, problem-solving, communication, and collaboration skills.

Preferred Qualifications

  • Experience developing Web3, blockchain, or distributed-ledger applications.
  • Familiarity with smart contract platforms, blockchain nodes, wallets, transaction signing, or blockchain data indexing.
  • Experience integrating on-chain transactions with traditional enterprise systems.
  • Knowledge of blockchain transaction lifecycle management and reconciliation processes.
  • Experience with containerized applications and orchestration platforms such as Docker and Kubernetes.
  • Familiarity with enterprise security, identity, authentication, and authorization patterns

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