Manager, Software Engineering

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 seeking a sophisticated Engineering Manager to lead the evolution of our Trader product suite. You will be the anchor for our Belfast site, inheriting a team of 9 and leading recruitment of engineers when needed. You will drive a high-stakes technical pivot: migrating our core systems from a legacy Windows/WPF foundation to a modern, cloud-native architecture running on Ubuntu (Linux) with a Blazor frontend. This is a global leadership position, requiring seamless collaboration across our engineering hubs in Sweden, France, and New York.

Key Responsibilities: 

• Team Scaling & Leadership: Recruit, onboard, and mentor engineers in Belfast. You will define the local culture while ensuring it aligns with our global standards.
• Architectural Evolution: Oversee the transition from .NET on Windows to .NET on Ubuntu, replacing WPF desktop interfaces with high-performance Blazor web components.
• AI-Augmented Development: Champion the use of AI (e.g., Copilot, Cursor, LLMs) for feature generation, automated test systems, and legacy refactoring. You will use AI to bypass the & onboarding tax" and accelerate the migration.
• Global Integration: Act as a key bridge between Belfast and our teams in Sweden, France, and New York, ensuring consistent API contracts and architectural alignment across time zones.
• Real-Time Systems: Maintain and optimize mission-critical & Headless components, ensuring robust data distribution via WebSockets and REST APIs for Tier-1 global Partners.

Required Qualifications:

• Education: Bachelor or Master Degree in Computer Science or engineering field
• Experience: 2+ years as an Engineering Manager and 4+ years as a Tech Lead.
• The .NET Stack: Expert-level C# and .NET (6/7/8). Must have experience deploying and managing workloads on Linux/Ubuntu.
• API & Real-Time Mastery: Strong proficiency in designing and scaling REST APIs and WebSockets for high-concurrency systems.
• UI Transition: Proven experience (or deep architectural oversight) in migrating from WPF to Blazor.
• AI Proficiency: Practical experience using AI tools to generate production-grade code, unit tests, and documentation.
• Distributed Leadership: Ability to thrive in a multi-site environment, managing asynchronous workflows between Europe and the US
• Infrastructure: Knowledge of Docker and Kubernetes for managing containerized Linux environments.

Compensation:

• Competitive salary
• 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.