Software Engineer Back-End
CompanySymphony
Location
Belfast, Northern Ireland, United Kingdom
Employment TypeFull-time
Posted At4/8/2026
UK Visa Sponsorship Analytics
Occupation TypeProgrammers and software development professionals
Occupation Code Skill LevelHigher Skilled
Sponsorship Salary Threshold
£54,700
(£28.05 per hour)
Occupation rate applies
Above analytics are generated algorithmically based on job titles and may not always be the same as the company's job classification. You can also check detailed occupation eligibility, and salary criteria on our UK Visa Eligible Occupations & Salary Thresholds page.
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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 collaborative Backend Engineer to join the Symphony engineering group. If you are passionate about Java development, scalable solution design, and operational excellence, we want you on our team.
In this role, you will deliver critical functional and technical features for core Symphony backends, focusing heavily on maintainability and high availability. You will play a key role in major backend re-engineering initiatives, encompassing deep code changes, database optimizations, infrastructure improvements, and CI/CD enhancements.
The Symphony team is responsible for implementing the core messaging and compliance features that are crucial to our customers. Our operations run in a multi-cloud environment driven by a strong DevOps culture. You will be involved in the entire backend lifecycle, from design to deployment, ensuring our systems meet the rigorous requirements of our industry.
Key Responsibilities
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 collaborative Backend Engineer to join the Symphony engineering group. If you are passionate about Java development, scalable solution design, and operational excellence, we want you on our team.
In this role, you will deliver critical functional and technical features for core Symphony backends, focusing heavily on maintainability and high availability. You will play a key role in major backend re-engineering initiatives, encompassing deep code changes, database optimizations, infrastructure improvements, and CI/CD enhancements.
The Symphony team is responsible for implementing the core messaging and compliance features that are crucial to our customers. Our operations run in a multi-cloud environment driven by a strong DevOps culture. You will be involved in the entire backend lifecycle, from design to deployment, ensuring our systems meet the rigorous requirements of our industry.
Key Responsibilities
- Design & Build: Architect, implement, and maintain Java-based backend services and their integrations with other Symphony components and datastores [e.g., MongoDB, BigTable, Redis].
- Tooling & Automation: Build and support the automation required to compile, deploy, and operate Symphony deliverables in a public cloud environment using a GitOps approach [e.g., ArgoCD, Jenkins].
- Operational Excellence: Collaborate with Site Reliability Engineers to support infrastructure needs, troubleshoot production issues, and ensure system reliability.
- Engineering Quality: Constructively participate in design discussions and code reviews, championing best practices for building, testing, and monitoring software.
- BS in Computer Science (or equivalent experience) and 3+ years of proven experience in Java server-side development.
- Experience building, deploying, and maintaining software in a production environment with strict reliability constraints.
- Strong problem-solving skills and the ability to take ownership of mid-sized features from end to end.
- Ability to thrive in a fast-paced, highly collaborative, and agile global environment.
- A strong appetite for learning new technologies, stacks, and tooling.
- Hands-on experience with containerization and orchestration (Kubernetes, Helm) is highly desired.
- Familiarity with multi-cloud environments (AWS, GCP, or Azure).
- Competitive salary
- Bonus Plan
- Regional specific competitive benefits
- Build your own Benefits (BYOB) perk
- Local events, team building, and development opportunities