Senior Software Development Engineer in Test (Media)

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 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

: Salary Range: SEK 500,000 - 650,000 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.