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# Senior Software Engineer, Media

- **Company:** Symphony Communication Services, LLC
- **Location:** Belfast, UK
- **Experience:** Expert
- **Salary:** £55,000.0 - £65,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, C++ (Programming Language), Cloud Computing, Code Review, Continuous Integration, DevOps, Spring Framework, Node.Js, TypeScript, WebRTC, Spring-boot, Video Protocols, Reliability of Systems, Backend, Git, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Terraform, Docker, Jenkins, Microservices
- **Published:** July 19, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5807189855

## About the Role

* Education & Experience: BS/MS in Computer Science, Engineering, or a related field, with 7+ years of practical, hands-on experience in production software development.
 * Backend Expertise:
 + Deep, expert-level proficiency in Java and its ecosystem, with extensive experience building enterprise microservices using the Spring Framework (Spring Boot).
 + Professional experience writing clean, scalable backend code in TypeScript (e.g., Node.js ecosystem).
 * DevOps & Infrastructure: Strong experience working with containerization, orchestration, and Infrastructure as Code (IaC) tools, specifically Docker, Kubernetes (K8s), Terraform, Git, and Jenkins.
 * Cloud Proficiency: Proven experience designing, deploying, and maintaining high-availability services within GCP and/or AWS cloud environments.
 * Soft Skills: Exceptional proactive communication skills, a highly collaborative mindset, and a proven track record of end-to-end delivery ownership., * Direct experience working with WebRTC, media streaming backend services, or audio/video protocols
 * Ability to read and understand basic C++
 * Knowledge of the SIP and RTP protocols
 * Core understanding of Session Border Controllers (SBC), Media conference servers, and Selective Forwarding Units (SFU)

## Description

* Architect & Implement: Lead the design, implementation, and testing of highly scalable server-side microservices utilizing Java (Spring Boot) and TypeScript, ensuring optimal interaction with the broader Symphony ecosystem.
 * CI/CD Leadership: Drive and evolve our Continuous Integration and Continuous Deployment (CI/CD) strategies, keeping Jenkins at the center of our automation pipeline.
 * Cross-Functional Collaboration: Partner closely with product management to define technical requirements and collaborate across engineering teams to execute seamless product integrations.
 * System Reliability: Investigate complex production issues or performance bottlenecks.Document thorough failure analyses, post-mortems, and root cause analyses (RCA) to continuously improve platform resilience.
 * Mentorship & Quality: Lead constructive, collaborative backend design sessions and code reviews. Elevate the team's engineering standards by mentoring junior and mid-level developers.


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