Senior Back-End Engineer (Node.js)

Job Description

Job Description

We are looking for a Senior Backend Engineer to join our team and contribute to the development of a new unified enterprise platform for a B2B communications provider. The platform consolidates multiple legacy customer portals into a single solution that supports the full commercial lifecycle for telecom customers

Responsibilities:

• Design and build backend microservices for the squad’s modules (Identity/RBAC/MFA, number search, purchase and porting, onboarding automation, CDR and billing pipelines)
• Integrate with external carrier, telecom, and third-party APIs (Operator Connect, number/porting providers, ServiceNow, payment and billing systems)
• Implement event-driven flows and long-running workflows (Kafka, Temporal).
• Develop automated tests, participate in code reviews, and follow CI/CD practices
• Collaborate closely with Business Analysts to refine requirements and acceptance criteria
• Work with Frontend Engineers to define and maintain API contracts

Qualifications

• 5+ years of backend development experience with Node.js and TypeScript
• Strong background in microservices architecture and API design (REST and GraphQL)
• Solid experience with relational databases, including PostgreSQL and schema/data modeling
• Proven track record of integrating third-party and external APIs
• Hands-on experience with event-driven systems, including Kafka
• Experience with workflow orchestration tools such as Temporal.io
• Proficient in containerization and orchestration using Docker and Kubernetes (EKS)
• Practical experience working with AWS cloud services
• English proficiency at B2 level or higher

Nice to have:

• AWS certification (e.g., AWS Certified Developer)
• Node.js -related certifications
• Experience with VoIP / telecom systems (SIP, signaling, voice infrastructure)

Are you interested in this position?
Apply by clicking on the “Apply Now” button below!
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