Middle Back-End Engineer (Node.js)

Job Description

We are looking for a Middle 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 develop 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)
• Work with event-driven flows and long-running workflows (Kafka, Temporal.io) under guidance or within defined architecture
• Write automated tests, participate in code reviews, and follow CI/CD practices
• Collaborate with Business Analysts to clarify requirements and acceptance criteria
• Work with Frontend Engineers to define and maintain API contracts

Qualifications

• 3+ years of backend development experience with Node.js and TypeScript
• Good understanding of microservices architecture and API design (REST/GraphQL)
• Experience with relational databases, including PostgreSQL and basic schema/data modeling
• Experience integrating third-party/external APIs
• Knowledge of event-driven systems (Kafka) and exposure to workflow orchestration tools (Temporal.io )
• Experience with containerization using Docker and Kubernetes (EKS)
• Familiarity 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)

Additional Information

We offer

• Culture of relentless performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth. 
• Competitive pay and benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program. 
• ForeverRemote work culture: make the most of the flexibility that comes with remote work. 
• Growth mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility, and internship opportunities. 
• Global impact: collaborate on impactful projects for top global clients and shape the future of industries. 
• Welcoming multicultural environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events. 
• Social sustainability values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality. 

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.