Senior Routing Engine Developer (CX Platform)

Miratech is a global IT services and consulting company supporting digital transformation for enterprise and startup organizations. The company is seeking a Senior Routing Engine Developer to design and build a scalable, real-time interaction routing platform for enterprise contact centers, using Java, Spring Boot, distributed architectures, event-driven systems, and cloud-native technologies.

Responsibilities:

• Design and develop enterprise-scale routing engines that distribute voice and digital interactions in real time
• Implement intelligent routing algorithms based on skills, priorities, capacity, availability, and business rules
• Ensure high availability, scalability, resilience, and performance across queues, routing paths, and interaction workloads
• Design and maintain APIs supporting routing configuration, administration, monitoring, and integration requirements
• Optimize systems for high concurrency, fault tolerance, resiliency, and predictable performance
• Integrate routing services with telephony, digital messaging, workforce management, CRM, identity, reporting, and analytics platforms
• Design and develop critical Java and Spring Boot services, APIs, integration components, and reference implementations
• Translate business journeys and operational requirements into solution components, interaction flows, deployment views, and technical roadmaps
• Define non-functional requirements for availability, performance, concurrency, security, privacy, observability, disaster recovery, and supportability
• Review designs and code, identify technical risks, challenge assumptions, and drive pragmatic decisions that balance quality, time, and cost
• Establish engineering standards, reusable patterns, quality gates, documentation expectations, and technology adoption guidance
• Collaborate with CX domain experts to translate operational requirements into routing capabilities

Requirements:

• 8+ years of software engineering experience, including substantial ownership of architecture and technical delivery for distributed applications
• Expert-level hands-on experience with Java, Spring Boot, implementing distributed systems and microservices architectures, REST APIs, persistence, security, testing, and performance engineering
• Experience developing routing logic for contact center, communications, or customer engagement platforms
• Knowledge of ACD concepts, agent states, queue management, skill-based routing, priority routing, proficiency routing, and workload balancing
• Experience building high-throughput, low-latency transaction processing systems
• Deep understanding of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native engineering
• Experience with PostgreSQL or comparable relational databases, data modeling, integration data flows, and transactional design
• Hands-on experience with contact center or CX platforms and the operational concepts behind customer routing and engagement
• Excellent communication skills, including the ability to produce clear technical documentation and lead client-facing workshops
• Experience with real-time communications platforms such as FreeSWITCH or Kamailio
• Knowledge of optimization algorithms, decision engines, or scheduling systems
• Experience with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or comparable contact center platforms
• Exposure to WFM processes and integrations involving forecasting, schedules, adherence, etc
• Familiarity with Kafka or RabbitMQ, Kubernetes, Jenkins, observability platforms, API gateways, and security architecture
• Practical experience with AI-assisted software development or AI-enabled solutions, including tools such as Claude or GitHub Copilot, is a plus