Senior Programmable Voice Engineer – CX Platform

This is a fully remote position, open to applicants in Ireland, +1 more country.

📋 Description

• Create and develop programmable voice services, APIs, and call-control functionalities for enterprise-level communication platforms.

• Construct and enhance voice infrastructure utilizing FreeSWITCH, Kamailio, SIP, RTP, WebRTC, and associated technologies.

• Design and implement backend services in Java and Spring Boot, along with communication APIs.

• Execute call routing, manage sessions, handle media, integrate carriers, and process voice traffic.

• Develop highly available and scalable systems to manage substantial volumes of real-time communication traffic.

• Diagnose intricate signaling, media, telephony, and call-quality challenges across distributed environments.

• Integrate voice services with contact center, routing, digital engagement, CRM, identity, and reporting systems.

• Specify non-functional requirements relating to availability, performance, concurrency, security, privacy, observability, disaster recovery, and supportability.

• Review design and code, identify technical risks, question assumptions, and guide pragmatic decisions regarding quality, time, and cost.

• Set engineering standards, reusable patterns, quality thresholds, documentation expectations, and technology adoption guidelines.

• Collaborate with clients, Product, Architecture, QA, DevOps, Security, Operations, and vendors to oversee delivery and resolve critical technical challenges.

⛳️ Requirements

• Over 8 years of experience in software engineering, with significant responsibility for architecture and technical delivery in distributed applications.

• Extensive hands-on knowledge of FreeSWITCH and/or Kamailio, including call control, dial plans, media services, ESL, modules, and platform customization.

• Proven experience in developing API-driven communication platforms, voice services, or CPaaS-style solutions.

• Strong understanding of SIP, RTP, WebRTC, session control, media management, and telephony troubleshooting.

• Expert-level practical experience with Java, Spring Boot, microservices, REST APIs, persistence, security, testing, and performance engineering.

• In-depth knowledge of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native engineering.

• Familiarity with PostgreSQL or similar relational databases, data modeling, integration data flows, and transactional design.

• Practical experience with contact center or CX platforms and concepts related to customer routing and engagement.

• Outstanding communication skills, along with expertise in technical documentation and client-facing workshops.

• Experience with OpenSIPS, Asterisk, Twilio, SignalWire, or other comparable communication platforms.

• Background in creating routing engines, IVR platforms, voice bots, or omnichannel engagement services.

• Familiarity with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or other similar contact center platforms.

• Knowledge of Kafka or RabbitMQ, Kubernetes, Jenkins, observability platforms, API gateways, and security architecture.

• Practical experience with AI-assisted software development or AI-enabled solutions, such as Claude or GitHub Copilot, is an advantage.

🏝️ Benefits

• Health insurance

• Relocation program

• Flexibility for remote work

• Opportunities for professional development

• Access to certification programs

• Mentorship and talent investment initiatives

• Internal mobility options

• Internship opportunities

• Engaging projects for leading global clients

• An inclusive and supportive work environment

• Open lines of communication

• Regular team-building social events

• Commitment to sustainable business practices focusing on IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality