Software Engineer – Full Stack (API, Backend & Frontend)

Software Engineer – Full Stack (API, Backend & Frontend)

We are seeking a highly capable Software Engineer with strong experience across API development, backend systems, and frontend applications to support and evolve our telecom and UCaaS platforms. This role sits at the intersection of real-time communications, system integrations, and customer-facing applications, and requires an engineer who can think holistically about performance, reliability, security, and user experience.

You will work on APIs that integrate voice platforms, provisioning systems, billing, analytics, and third-party services, while also contributing to backend services and modern web interfaces used by internal teams and customers.

Key Responsibilities

API & Integration Development

• Design, develop, and maintain secure, scalable RESTful and/or GraphQL APIs
• Build and maintain integrations with: UCaaS and VoIP platforms (SIP, call control, messaging, provisioning), internal systems (billing, CRM, analytics, monitoring), third-party services (authentication, AI, reporting, cloud services)
• Ensure APIs follow best practices for versioning, documentation, and backward compatibility

Backend Development

• Develop backend services that support user and account management, provisioning and lifecycle management of telecom services, call data records (CDRs), usage analytics, and reporting
• Optimize backend systems for performance, reliability, and fault tolerance
• Work with databases (SQL and/or NoSQL) to model and manage complex datasets
• Implement logging, monitoring, and alerting for production systems

Frontend Development

• Build and maintain web-based dashboards and administrative portals
• Collaborate with product and UX teams to deliver clean, intuitive user experiences
• Consume internal APIs efficiently and securely
• Ensure frontend applications are responsive, performant, and maintainable

Architecture & Collaboration

• Participate in system design discussions and architectural decisions
• Collaborate closely with network and telecom engineers, product management, customer experience and operations teams
• Contribute to code reviews, technical documentation, and knowledge sharing
• Identify technical debt and propose pragmatic improvements

Qualifications

• 4+ years of professional software engineering experience
• Strong experience with API development (REST, JSON, authentication, rate limiting)
• Solid backend development experience using one or more of Node.js, Python, Java, Go, or similar
• Frontend development experience with modern frameworks such as React, Vue, Angular, or equivalent
• Experience working with relational and/or NoSQL databases
• Strong understanding of authentication & authorization (OAuth, tokens, role-based access), secure coding practices, version control (Git) and CI/CD workflows
• Ability to work independently and take ownership of systems and features

Additional Information

• Experience in telecom, VoIP, UCaaS, or real-time communications
• Familiarity with SIP concepts, call flows, or telecom provisioning, call data records (CDRs) and usage-based billing
• Experience with cloud platforms (AWS, Azure, or GCP)
• Exposure to containerization and orchestration (Docker, Kubernetes)
• Experience building internal tools and operational dashboards
• Understanding of high-availability and multi-region system design

All your information will be kept confidential according to EEO guidelines.