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Senior Software Development Engineer in Test (Media)

Symphony Northern Ireland, United Kingdom

onsitefull-time
Posted Oct 29, 2025Apply by Nov 28, 2025

Role & seniority: Senior SDET (Software Development Engineer in Test), Media; technical lead responsible for media backend/frontend quality and test strategy.

Stack/tools: Java, C#, C++, or TypeScript; test automation frameworks; WebRTC, SIP; cloud environments (GCP/AWS); Windows 10/11; VDI; CI/CD; Git; cross-functional collaboration.

Top 3 responsibilities

  • Own the media quality strategy for backend and frontend components; design, implement, and maintain scalable test automation frameworks.

  • Drive shift-left testing with developers, product managers, and QA; validate and troubleshoot real-time media systems (WebRTC, SIP) across environments.

  • Mentor SDETs, perform code reviews, coordinate across teams/products, and continuously improve testing processes and tools; support Media Test Strategy execution.

Must-have skills

  • 5+ years in software testing/SDET; 2+ years in a senior/lead role.

  • Strong programming in Java, C#, C++, or TypeScript.

  • Proven experience designing/maintaining test automation frameworks; hands-on with WebRTC/SIP.

  • Familiarity with GCP/AWS, Windows 10/11, CI/CD, Git; knowledge of shift-left and testing methodologies.

  • Leadership, communication, collaboration, and global, fast-paced work experience.

Nice-to-haves

  • Prior media-focused environment experience; formal leadership/mentoring track record.

Location & work type: Location not specified; benefits and compensation vary by location; indicates regional benefi

Full Description

About us @Symphony

We’ve spent the last 10 years building a communication and markets technology company, powered by interconnected platforms: messaging, voice, directory and analytics. Over 1000 institutions use our modular technology built for global finance. Security is in our DNA with uncompromising data protection, end-to-end encryption and resilient architecture, all created on a foundation of trust with our customers .

But that was only chapter one. We’re now building on our purpose-built network, expanding AI-powered, real-time collaboration, redefining flexibility with fully cloud-native software with our trader voice product, and rethinking the industry’s approach to identity verification, connection and intelligence. .

The opportunity and our ambition are huge. But we need passionate, dedicated individuals to get there. At Symphony we work hard and fast. Our unique blend of technology and financial services makes it an environment you won't get elsewhere.

Role Description

We are looking for a highly skilled and motivated Senior SDET (Software Development Engineer in Test), Media to take a lead role in ensuring the quality and reliability of our media backend and frontend components. In this role, you will design, develop, and maintain test automation frameworks, collaborate with cross-functional teams, and drive a shift-left testing mindset across the organization.

As a technical leader, you will be responsible for supporting the execution of the Media Test Strategy, ensuring efficient test coverage, and contributing to the delivery of high-quality media features. Your expertise in media technologies (WebRTC, SIP), strong programming background, and ability to coordinate across teams will make you a key player in building scalable and reliable media solutions.

If you are passionate about media technologies, automation, and quality leadership, we would love to hear from you!

Responsibilities

Take ownership of the quality strategy for media backend and frontend components. Design, implement, and maintain robust and scalable test automation frameworks. Collaborate closely with developers, product managers, and QA engineers to drive shift-left testing practices. Support and improve automated testing across different environments, including VDI, Cloud (GCP/AWS), and Windows 10/11 setups. Validate and troubleshoot real-time communication systems (WebRTC, SIP). Perform code reviews, mentor other SDETs, and ensure adherence to testing best practices. Coordinate with multiple teams and products to ensure seamless integration and quality delivery. Contribute to continuous improvement of test processes, tools, and methodologies. Support the execution and evolution of the Media Test Strategy.

Required Qualifications

Technical Skills

Strong programming skills in at least one language: Java, C#, C++, or TypeScript (C# is preferable). Proven experience in designing and maintaining test automation frameworks. Hands-on experience with media technologies (WebRTC, SIP). Familiarity with cloud environments (GCP/AWS) and VDI setups. Experience with Windows 10/11 environments. Knowledge of CI/CD pipelines, version control (Git), and modern testing tools. Strong understanding of software testing methodologies and shift-left practices. Soft Skills Demonstrated leadership in driving quality initiatives across teams. Excellent communication, collaboration, and coordination skills. Strong problem-solving and analytical thinking abilities. Ability to work in a fast-paced, cross-functional, and global environment. Self-driven, proactive, and passionate about quality and automation. Education & Experience Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience). 5+ years of experience in software testing or SDET roles, with at least 2+ years in a senior/lead capacity. Previous experience working in media-focused environments is highly desirable. Compensation

Competitive salary Bonus Plan Benefits and Perks vary based on location.

Benefits And Perks

Regional specific competitive benefits Build your own Benefits (BYOB) perk Many other fun and exciting benefits and activities!

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.

Test AutomationMedia TechnologiesWebRTCSIPCloud EnvironmentsGCPAWSWindows 10Windows 11CI/CD PipelinesVersion ControlGitSoftware TestingLeadershipCommunicationProblem-Solvingreview:company

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