At a Glance
- Tasks: Lead quality initiatives for C9 Trader, ensuring top-notch testing and automation.
- Company: Join Symphony, an AI-powered tech company revolutionising communication.
- Benefits: Competitive salary, bonus plan, and flexible benefits tailored to you.
- Other info: Diverse and inclusive workplace with great career growth opportunities.
- Why this job: Make a real impact on cutting-edge technology while driving quality excellence.
- Qualifications: 5+ years in software testing, strong programming skills, and leadership experience.
The predicted salary is between 52000 - 62000 £ per year.
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), C9 Trader to take a lead role in ensuring the quality and reliability of our C9Trader application supporting both mobile and desktop clients.
In this role, you will design, develop, and maintain scalable test automation frameworks, collaborate closely withdevelopers, and drive a shift-left testing mindset within the engineering teams.
As a technical quality leader, you will bring strong expertise in frontend/backend testing, white box testing, and development practices.
You will play a key role in supporting the execution of the C9 Trader Test Strategy, coordinating across teams and products, and ensuring the delivery of robust, secure, and performant backend solutions.
If you are passionate about e2e quality, test automation, and engineering excellence, wewould love to hear from you!
Responsibilities
- Take ownership of quality initiatives for C9 Trader components supporting mobile and desktop clients.
- Design, implement, and maintain test automation frameworks in frontend/backend and white box testing to validate APIs, services, and integrations.
- Work closely with developers to enable shift-left testing practices and embed quality earlier in the development lifecycle.
- Ensure reliable test execution across Cloud (GCP/AWS), Kubernetes, and Windows 10/11 environments, including physical Hardware lab PCs.
- Collaborate across teams and product lines to drive quality alignment and consistency.
- Mentor other SDETs and contribute to continuous improvement of test strategies, processes, and tools.
- Required Qualifications
- 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 a strong focus on backend systems.
- At least 2+ years in a senior or lead capacity, driving quality initiatives at scale.
- Strong programming skills in C# and Type Script (as nice to have).
- Proven experience with frontend/backend testing and automation frameworks.
- Hands-on experience in white box testing of APIs, services, Web Socket connections, and backend systems.
- Familiarity with Windows 10/11 environments.
- Experience with cloud environments (GCP/AWS), Kubernetes, CI/CD pipelines, Git, and backend testing tools.
Compensation
- Salary Range: 52,000 - 62,000 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.
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Senior Software Development Engineer in Test employer: Symphony
Symphony is an excellent employer for those looking to kickstart their career in technical support. With a strong focus on mentorship and hands-on experience, you will have the opportunity to learn from seasoned professionals while working with cutting-edge Messaging/Voice products. The collaborative work culture fosters growth and innovation, making it an ideal environment for students eager to develop their skills in a supportive setting.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Development Engineer in Test
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Symphony or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Symphony.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Symphony.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Symphony that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Software Development Engineer in Test
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Symphony.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Symphony and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Symphony
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Symphony uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
