Principal Software Engineer / Architect – Voice & Data Systems

Company Description

Miratech is an IT services and outsourcing company that provides services to multinational organizations all over the world. Our highly professional team achieves success with 99% of IT projects in financial, telecommunication, and technology domains. Founded in 1989, Miratech has its headquarters in New York, USA; with R&D centers in Poland, Philippines, Slovakia, Spain, and Ukraine. Technical complexity is our passion, stability is our standard, friendly work environment is our style. We empower our employees to grow together with the company, to achieve ambitious goals, and to be a part of the international relentless team which helps the visionaries to change the world.

Job Description

The Principal Software Engineer / Architect – Voice & Data Systems is responsible for designing and leading the development of next-generation communication and data processing platforms. The role combines deep expertise in real-time media systems, cloud-native architectures, and enterprise software development.

This position serves as the technical authority for VoIP recording systems, distributed data pipelines, and management platforms. The role bridges real-time media capture technologies with scalable backend services and enterprise user interfaces, ensuring high performance, reliability, and compliance across the platform.

Responsibilities:

Voice and Recording Platform Architecture

• Architect, design, and implement enterprise-grade VoIP recording solutions and integrations.
• Develop high-performance real-time media capture applications using C++ for RTP packet processing and audio stream handling.
• Implement signaling and control logic using Node.js.
• Integrate telecommunications systems using SIP and SIPREC protocols.
• Deploy, configure, and extend media proxy solutions such as RTPengine.

Data Processing and Backend Architecture

• Design and implement scalable distributed data pipelines for processing and routing large volumes of data.
• Develop backend services and data processing components using Java and Python.
• Design resilient microservices architectures for cloud environments such as AWS or GCP.
• Implement asynchronous service communication using message brokers and event streaming platforms such as Kafka, JMS, or ActiveMQ.

User Interface and Platform Management

• Design and develop enterprise web applications and management dashboards using Vaadin UI.
• Build administrative tools for monitoring, configuration, and operational management of platform services.
• Lead modernization initiatives by refactoring legacy systems into cloud-native, containerized deployments using Docker and Kubernetes.

Technical Leadership

• Provide architectural leadership for complex commercial products and R&D initiatives.
• Drive system performance improvements including algorithm optimization, concurrency, and scaling strategies.
• Collaborate with cross-functional teams as the lead architect for voice services and advanced data processing capabilities.
• Ensure platform compliance with enterprise security and regulatory standards such as PCI, SOC2, HIPAA, and GDPR.

Qualifications

• Experience: 10+ years of professional software engineering experience with strong background in system architecture and technical leadership.
• Telecommunications and Recording Systems: Deep expertise in VoIP technologies including SIP, SIPREC, and RTP; experience with media servers and tools such as RTPengine.
• Systems Programming: Strong proficiency in C++ for real-time media and RTP processing.
• Backend Development: Extensive experience with Node.js, Java, and Python.
• Enterprise UI Development: Hands-on experience building complex web applications and management consoles using Vaadin UI.
• Cloud and DevOps: Practical experience with cloud platforms (AWS, GCP), containerization (Docker, Kubernetes), and CI/CD automation.
• Development Methodology: Strong understanding of Agile development practices and deployment of large-scale, production-grade systems.

Preferred Qualifications:

• Experience integrating speech-to-text engines, AI/ML models, or semantic analysis components into production systems.
• Familiarity with frontend technologies such as JavaScript, TypeScript, HTML, and CSS to support full-stack development and architectural oversight.

Additional Information

We offer:

• Culture of relentless performance: join an unstoppable technology