Senior Full Stack Java Engineer – CX & Contact Center Solutions

This is a fully remote position, open to applicants in United States.

📋 Description

• Oversee solution architecture and create detailed technical designs for scalable, secure, and highly available customer experience (CX) and contact center functionalities.

• Design and implement Java and Spring Boot services, APIs, integration components, and reference implementations.

• Direct frontend architecture for agent, supervisor, and administrative experiences utilizing React and TypeScript.

• Establish API-first and event-driven strategies, encompassing domain boundaries, contracts, event schemas, versioning, resilience, and data ownership.

• Create integrations across voice infrastructure, digital channels, messaging applications, routing engines, contact center platforms, CRM, WFM, identity, knowledge, recording, analytics, and enterprise applications.

• Develop and enhance carrier-grade voice and communication capabilities using FreeSWITCH, Kamailio, SIP, WebRTC, and Twilio or similar CPaaS platforms.

• Transform business journeys and operational requirements into solution components, interaction flows, deployment views, and technical roadmaps.

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

• Evaluate designs and code, identify technical risks, challenge assumptions, and drive practical decisions that balance quality, time, and cost.

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

• Lead technical discovery, proof-of-concept initiatives, platform assessments, modernization strategies, and production-readiness evaluations.

• Collaborate with client stakeholders, Product, Architecture, QA, DevOps, Security, Operations, and vendors to manage delivery and address critical technical issues.

⛳️ Requirements

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

• Expert-level hands-on proficiency with Java, Spring Boot, microservices, REST APIs, persistence, security, testing, and performance engineering.

• Strong expertise in Angular or React and TypeScript.

• Practical knowledge of Node.js.

• In-depth understanding of voice infrastructure and real-time communications, including SIP, RTP, WebRTC, FreeSWITCH, Kamailio, session control, media handling, and telephony troubleshooting.

• Comprehensive understanding of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native engineering.

• Experience with PostgreSQL or equivalent relational databases, data modeling, integration data flows, and transactional design.

• Familiarity with AWS services and Amazon Connect is preferred.

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

• Exceptional communication skills, technical documentation abilities, and proficiency in facilitating client-facing workshops.

• Experience in designing digital-channel and messaging applications is a plus.

• Experience in designing routing engines for voice and digital interactions is a plus.

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

• Exposure to WFM processes and integrations is a plus.

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

• Practical experience with AI-assisted software development or AI-enabled solutions is an advantage.

🏝️ Benefits

• Competitive compensation and benefits package.

• Health insurance.

• Relocation program.

• Flexibility for remote work / Work From Anywhere culture.

• Opportunities for professional development.

• Certification programs.

• Mentorship and investment in talent programs.

• Opportunities for internal mobility.

• Internship opportunities.

• Involvement in impactful projects for leading global clients.

• Inclusive and supportive work environment.

• Open communication.

• Regular team-building and social events for the company.