Senior Full Stack Java Engineer CX & Contact Center Solutions

We are looking for a Senior Full Stack Engineer to provide hands-on technical leadership across CX and contact center solutions. You will shape scalable solutions using Java Spring Boot React TypeScript API-first design event-driven architecture and cloud-native practices while remaining directly involved in critical engineering work. The role includes designing developing voice infrastructure digital-channel and messaging applications and intelligent routing capabilities using technologies such as FreeSWITCH Kamailio and Twilio or comparable communications platforms. It suits a senior engineer who can move confidently between architecture code delivery risk non-functional requirements and client-facing technical discussions.

Responsibilities:

• Lead solution architecture and detailed technical design for scalable secure and highly available CX and contact center capabilities.
• Design and develop critical Java and Spring Boot services APIs integration components and reference implementations.
• Guide frontend architecture for agent supervisor and administration experiences using React and TypeScript.
• Define API-first and event-driven strategies including domain boundaries contracts event schemas versioning resilience and data ownership.
• Design integrations across voice infrastructure digital channels messaging applications routing engines contact center platforms CRM WFM identity knowledge recording analytics and enterprise applications.
• Design and evolve carrier-grade voice and communications capabilities using FreeSWITCH Kamailio SIP WebRTC and Twilio or comparable CPaaS platforms.
• 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.
• Lead technical discovery proof-of-concept work platform assessments modernization planning and production-readiness reviews.
• Collaborate with client stakeholders Product Architecture QA DevOps Security Operations and vendors to govern delivery and resolve critical technical issues.

Qualifications :

• 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 microservices REST APIs persistence security testing and performance engineering.
• Strong expertise in Angular or React and TypeScript with the ability to guide frontend architecture and engineering practices.
• Practical familiarity with for services integrations tooling or server-side frontend knowledge of voice infrastructure and real-time communications including SIP RTP WebRTC FreeSWITCH Kamailio session control media handling and telephony troubleshooting.
• 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 Customer Experience platforms and the operational concepts behind customer routing and engagement.
• Excellent English communication skills including the ability to produce clear technical documentation and lead client-facing workshops.

Nice to have:

• Experience designing digital-channel and messaging applications across SMS chat WhatsApp social messaging email or comparable channels.
• Experience designing routing engines for voice and digital interactions including skills priorities queues capacity overflow and fallback logic.
• Experience with Genesys NICE Five9 Amazon Connect Cisco Avaya or comparable contact center platforms.
• Exposure to WFM processes and integrations involving forecasting schedules adherence and employee data.
• Familiarity with Kafka or RabbitMQ Kubernetes Jenkins observability platforms API gateways and security architecture.

Additional Information :

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth. 
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package including health insurance language courses and a relocation program. 
• Growth Mindset: reap the benefits of a range of professional development opportunities including certification programs mentorship and talent investment programs internal mobility and internship opportunities. 
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries. 
• Welcoming Multicultural Environment: be a part of a dynamic global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events. 
• Social Sustainability Values: join our sustainable business practices focused on five pillars including IT education community empowerment fair operating practices environmental sustainability and gender equality. 

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race color religion sex national origin age disability veteran status sexual orientation gender identity or any other protected status under applicable law.

Remote Work :

No

Employment Type :

Full-time