Senior Software Engineer, Media

Symphony; Belfast City District; On-site; GBP 55,000 - 65,000; Full time

Benefits offered by this job

Regional specific competitive benefits

BYOB perk

Local events, team building

Job summary

Symphony is seeking a seasoned Senior Backend Software Engineer to join the MVV team, owning scalable server-side systems and collaborating across engineering. You will drive architecture decisions, mentor teammates, and uphold CI/CD best practices in a fast-paced environment.

Key requirements include 7+ years of production experience with Java/Spring, TypeScript/Node.js, and strong DevOps skills in Docker, Kubernetes, Terraform, Git and Jenkins, plus cloud exposure in GCP/AWS.

Qualifications

• 7+ years of production software development experience.
• Deep Java and Spring Framework experience; enterprise microservices.
• Professional TypeScript/Node.js backend development.
• DevOps focus with containerization, orchestration and IaC tools.
• Cloud experience in GCP and/or AWS.
• Strong cross-functional collaboration and delivery ownership.

Responsibilities

• Architect, implement and test scalable server-side microservices using Java Spring Boot and TypeScript.
• Lead CI/CD initiatives, with Jenkins at the center of automation.
• Collaborate with product management to define tech requirements and integrate products.
• Investigate production issues and document RCA to improve resilience.
• Mentor junior engineers and elevate engineering standards.

Skills

Java

Spring Boot

TypeScript

Node.js

CI/CD

Docker

Kubernetes

Terraform

Git

Jenkins

Cloud (GCP/AWS)

Soft skills

WebRTC familiarity

SIP/RTP concepts

Education

BS/MS in Computer Science / Engineering

Tools

Docker

Kubernetes

Terraform

Git

Jenkins

Job description

About us

About us @Symphony Secure. Connected. Intelligent. Symphony is an AI-powered communication and technology company fueled by interconnected platforms: messaging, voice, directory and analytics. Our end-to-end encrypted technologies enable over 1,400 institutions to accelerate AI impact, prioritize data security, navigate complex regulatory compliance and optimize business interactions.

Role Description

We are seeking a seasoned Senior Backend Software Engineer to join our Market Voice and Video (MVV) development team. The MVV team owns the core audio and video communication infrastructure within the Symphony app, heavily utilizing WebRTC. As a senior member of this small, agile team, you won’t just maintain server-side media backend services, you will also drive architectural decisions, mentor team members, and take full ownership of robust, scalable backend systems. We are incredibly passionate about engineering excellence and CI/CD best practices. If you are someone who proactively shares ideas, challenges the status quo, and takes extreme accountability for deliverables, you'll fit right in.

Responsibilities

• 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.

Required Qualifications

• 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.

Standout Qualifications (and What You'll Learn Here)

• 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)

Compensation

• Salary Range: £55,000 - 65,000 base salary per year
• Bonus Plan

Benefits and Perks

• Regional specific competitive benefits
• Build your own Benefits (BYOB) perk
• Local events, team building, and development opportunities

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.