Senior Backend Developer - Node.js

Blackstone eIT; Lebanon (Lebanon County); On-site; USD 120,000 - 180,000; Full time

Job summary

Blackstone eIT is seeking a Senior Backend Developer with strong experience in Node.js, TypeScript, microservices, Camunda workflows, and enterprise integrations. You will build and maintain robust backend systems, troubleshoot production issues, and collaborate across DevOps, QA, and other teams to ensure reliable service delivery.

The role focuses on API development (REST/GraphQL), workflow orchestration with Camunda, and messaging integrations using RabbitMQ and Azure Service Bus.

Qualifications

• Backend development in Node.js/TypeScript for microservices.
• Experience with Camunda workflows and enterprise integrations.
• Strong troubleshooting across APIs, queues, databases and workflows.
• Proficient in Git/GitLab and CI/CD processes.
• Experience with Java/Spring Boot is a plus.

Responsibilities

• Develop and maintain backend services and microservices using Node.js/TypeScript.
• Develop and support REST/GraphQL APIs and system integrations.
• Develop, maintain, and troubleshoot Camunda workflows.
• Investigate failed or stuck workflows, incidents, and process execution issues.
• Develop and troubleshoot messaging integrations using RabbitMQ and Azure Service Bus.
• Investigate production issues across APIs, microservices, workflows, queues, databases, and external integrations.
• Perform root-cause analysis and implement permanent technical solutions.
• Participate in code reviews, deployments, production support, and incident resolution.
• Collaborate with DevOps, Infrastructure, QA, Integration, and other teams.

Skills

Node.js

TypeScript

Microservices

Camunda

REST APIs

GraphQL

Problem-solving

Production troubleshooting

Git

Code reviews

Tools

RabbitMQ

Azure Service Bus

Oracle databases

Java/Spring Boot

GitLab

Job description

Job Summary

We are looking for aSenior Backend Developerwith strong experience inNode.js, microservices, Camunda workflows, and enterprise integrations.

The candidate should have strong development andproduction troubleshooting/problem-solving skills, with the ability to investigate complex issues across microservices, workflows, messaging systems, APIs, and databases.

• Develop and maintain backend services and microservices usingNode.js / TypeScript.
• Develop and support REST/GraphQL APIs and system integrations.
• Develop, maintain, and troubleshootCamunda workflows, preferably Camunda.
• Investigate failed or stuck workflows, workers, incidents, and process execution issues.
• Develop and troubleshoot messaging integrations usingRabbitMQ and Azure Service Bus.
• Investigate production issues across APIs, microservices, workflows, queues, databases, and external integrations.
• Perform root-cause analysis and implement permanent technical solutions.
• Work withGit/GitLab, including branching, merging, cherry-pick, rebase, conflict resolution, and release/hotfix activities.
• Understand and troubleshoot existingJava/Spring Bootservices.
• Participate in code reviews, deployments, production support, and critical incident resolution.
• Collaborate with DevOps, Infrastructure, QA, Integration, and other technical teams
• handling Oracle structural databases