Jobs with Startups
JobsStartupsInvestorsMCP
JobsSymphony

Senior Systems Software Engineer

Symphony logo

Symphony

B2B

Senior Systems Software Engineer

Belfast
On-site
Full-time
Posted Jul 22, 2026
Apply on company site

Opens the original job posting

Engineering
On-site

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 skilled and motivated Senior Systems Software Engineer to join our team. In this role, you will do Proof-of-Concepts, design, develop, and maintain high-quality software solutions that support our business needs, with a focus on firmware, device drivers, hardware interfaces, and real-time communication technologies. You will work closely with cross-functional teams to deliver scalable and efficient applications while following best practices in software development.

If you are passionate about technology, problem-solving, and working in a dynamic environment, we would love to hear from you!

 

Responsibilities:

  • Develop, test, and maintain software applications, ensuring high performance and reliability.
  • Collaborate with product managers, designers, and other engineers to define and implement new features.
  • Write clean, scalable, and maintainable code following best coding practices.
  • Debug, troubleshoot, and resolve technical issues as they arise.
  • Participate in code reviews, providing constructive feedback to peers.
  • Stay up to date with emerging technologies and contribute to continuous improvement efforts.
  • Ensure software security, data protection, and compliance with company standards.

 

Required Qualifications:

Technical Skills:

  • Agile Tech Fluency: Ability to move fluidly between different programming languages, frameworks, and operating systems without friction.
  • Deep Analytical Thinker: Exceptional debugging and root-cause analysis skills, with a passion for diagnosing complex software behaviors.
  • Fundamentals First: Strong grasp of computer science fundamentals, allowing you to adapt to new tools and environments rapidly.
  • Communications: experience with WebRTC, WebSockets, REST APIs
  • Low-level: experience in understanding and debugging firmware device drivers and USB

Soft Skills:

  • Strong problem-solving and analytical thinking abilities.
  • Excellent communication and teamwork skills.
  • Ability to work in a fast-paced, collaborative environment.
  • Self-motivated and eager to learn new technologies.

Education & Experience:

  • Master’s or Bachelor's degree in Computer Science, Software Engineering, or a related field 
  • 7+ years of experience in software development

 

Compensation:

  • Salary Range: £ 57,000 - 70,000 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.

 

Apply for this role
Symphony logo

Symphony

Company profile

Voice AI sims for next-gen employee training

View Symphony

Headquarters

New York, NY, USA

Team size

1-10

Keep exploring

More roles at Symphony

View all roles

Campaign Marketing Specialist

Marketing · Belfast; Belfast, Northern Ireland, United Kingdom

Senior Software Development Engineer in Test

Engineering · Belfast; Belfast, Northern Ireland, United Kingdom

Lead Software Engineer, Back-End

Engineering · Belfast; Belfast, Northern Ireland, United Kingdom

Placement, Business Operations

Business Operations · Belfast; Belfast, Northern Ireland, United Kingdom

Placement, Business Intelligence and Solutions

Product Management · Belfast; Belfast, Northern Ireland, United Kingdom

Jobs with Startups © 2026

Browse startupsBrowse jobsMCP guideAboutPowered by Supabase