---
title: 'Lead Software Engineer, Back-End at Symphony Communication Services'
canonical: 'https://feeny.ai/job/lead-software-engineer-back-end-symphony-communication-services-belfast-northern-bwp2wy7qva7y'
type: 'job'
last_seen: '2026-10-18'
---

# Lead Software Engineer, Back-End at Symphony Communication Services

- **Company:** Symphony Communication Services
- **Location:** Belfast Northern, Ireland
- **Posted:** 2026-09-14
- **Last confirmed live:** 2026-10-18
- **Apply:** https://symphony.com/company/apply?gh_jid=8176529

## Job description

## 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 seeking an experienced and driven Lead Software Engineer to join and guide our development organisation. In this role, you will take ownership of designing, developing, and delivering high-quality software solutions that align with our strategic goals. You will lead technical initiatives, mentor engineers, and work closely with cross-functional teams to ensure the successful execution of projects.

If you are passionate about technology leadership, architectural design, and fostering high-performing teams, we would love to hear from you!

Responsibilities:

- Lead the design, development, testing, and maintenance of scalable software applications.
- Provide technical leadership and guidance to software engineers through mentoring, code reviews, and best practice sharing.
- Collaborate with product managers, designers, and stakeholders to define technical requirements and deliver robust solutions.
- Drive architectural decisions, ensuring systems are secure, reliable, and scalable.
- Proactively identify technical risks and implement effective mitigation strategies.
- Champion software development best practices, including continuous integration, code quality, and automated testing.
- Stay current with emerging technologies and drive innovation within the engineering team.
- Ensure adherence to security, data protection, and compliance standards across all software deliverables.

Required Qualifications:

Technical Skills:

- Proven expertise in Java programming, with strong architectural and system design skills.
- Hands-on experience with modern frameworks and technologies (e.g., Spring Boot, Quarkus).
- In-depth understanding of database systems such as SQL, PostgreSQL, MongoDB, Elasticsearch or similar.
- Strong background in cloud services architecture and deployment (AWS, Azure, or Google Cloud).
- Proficient with version control and collaborative development tools (e.g., Git, GitHub, GitLab).
- Solid understanding of Agile development methodologies and DevOps practices.

Soft Skills:

- Demonstrated experience in a senior/lead role on multiple software projects.
- Excellent problem-solving skills and strategic thinking.
- Strong communication skills with the ability to influence and align technical direction across teams.
- Commitment to fostering an inclusive, collaborative, and high-performing engineering culture.
- Proactive, self-driven, and passionate about continuous learning and improvement.

Education & Experience:

- Master’s or Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
- 10+ years of professional software development experience

Compensation:

- Salary Range: £65,000 - 80,000 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.

## About Symphony Communication Services

## Company Overview
- **One-liner**: Symphony is an AI-powered communication and technology company providing a secure, compliant collaboration platform for global financial markets.
- **Entity Type**: Private (multiple funding rounds, total $511M raised)
- **Headquarters**: New York, United States
- **Founded**: 2014
- **Founders**: Founded by a consortium of Wall Street firms (individual names not publicly disclosed)

## Core Business
- **Primary Industries**: Financial Services, Enterprise Communication, Regulated Markets
- **Target Customers**: B2B – Investment banks, asset managers, hedge funds, wealth managers, and other financial institutions
- **Mission / Purpose**: “Uncompromising data security & trust” – enabling secure, compliant communication and workflow for regulated industries [symphony.com](https://symphony.com/)

## Products & Services
- **[Symphony Messaging](https://symphony.com/)**: Secure enterprise chat and omnichannel messaging (including WhatsApp, SMS, WeChat, LINE, mobile voice), with open APIs, 100+ apps, and 1,500+ bots. SaaS platform.
- **[Cloud9](https://symphony.com/)**: Cloud-native trader voice system – the modern turret phone for front-office professionals in trading and brokerage. Hardware/software (Software-Defined Voice).
- **[Symphony Directory](https://symphony.com/)**: Rich industry-specific profiles for finding and contacting counterparties securely. SaaS.
- **[Symphony Analytics](https://symphony.com/)**: Data-driven insights and market intelligence built on the communication data layer. SaaS.
- **[Compliance-as-a-Service](https://symphony.com/)**: Archiving, surveillance, and regulatory compliance solutions for electronic communications. SaaS.
- **[AI Agent Studio](https://symphony.com/)**: (Announced 2026) Platform for building and deploying secure AI agents and market intelligence bots. SaaS.

## Market Standing
- **Valuation / Market Cap**: Not publicly disclosed (private company)
- **Key Metrics**:
  - Annual Revenue: $84.0M (LinkedIn estimate) [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
  - Total Funding: $511.0M across 5 rounds (Series A through Series E) [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
  - Employees: 346 (as of early 2026, +3.7% YoY) [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
  - Clients: Over 1,000 institutions served, including the largest global asset managers and investment banks by AUM and revenue [symphony.com](https://symphony.com/)
- **Notable Investors / Partners**: [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
  - Mitsubishi UFJ Financial Group, Standard Chartered Bank (led Series E)
  - 14 investors in Series A (including several Wall Street banks)
  - 3 investors in Series D, 14 in Series C
  - *Partners*: Microsoft Teams (direct federation), WhatsApp (direct integration), and other major chat/collaboration platforms.
- **Growth Signals**:
  - +3.7% headcount growth YoY (2025–2026)
  - 11 offices worldwide (New York, London, Singapore, Paris, Tokyo, Sophia Antipolis, Belfast, Stockholm, etc.)
  - Engineering hubs in Sophia Antipolis (France), Belfast (UK), and Stockholm (Sweden)
  - Launched AI Agent Studio at Innovate 2026 conference
  - Recent acquisitions: Cloud9 Technologies (2021), StreetLinx (2021)
  - Awards: WealthTech 100, Tech4Fin, WealthBriefing EU Awards

## Competitive Advantages
- **Purpose-built for financial services**: Deep compliance, archiving, and surveillance capabilities (no consumer-grade chat platform can match regulatory controls).
- **Secure federation**: Uniquely allows connecting Microsoft Teams, WhatsApp, and other channels into one auditable, compliant environment.
- **Cloud9 dominance**: Dominant player in cloud-native trader voice (replacing legacy turret systems) with a large, interconnected user community.
- **Open platform**: Extensive API, bot, and app ecosystem (100+ apps, 1,500 bots) enabling deep workflow integration.
- **Trusted network**: Verified counterparty directory reduces friction in capital markets communication.

## Strategic Focus
- **AI-powered communication**: Expanding AI Agent Studio and market intelligence capabilities while maintaining security and compliance.
- **Compliance-as-a-Service**: Growing the SaaS compliance offering to capture regulatory spending.
- **Embedded collaboration**: Deepening integrations with workflow platforms (e.g., Microsoft Teams) and mobile omnichannel.
- **Global expansion**: Continued presence in North America, Europe, Middle East, and APAC with local experts.
- **Product unification**: Tightening integration between Messaging, Voice, Directory, and Analytics to create a seamless experience.

## Why Work Here
- **Culture**: Described as a “highly talented, innovative workforce” with a “diverse 30+ member leadership team” [symphony.com](https://symphony.com/company/careers/). Employee rating 3.8/5 on LinkedIn (233 reviews), with culture 3.7, work-life 3.7, compensation 3.6, career 3.3 [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
- **Engineering & Innovation**: Three dedicated engineering hubs (Sophia Antipolis, Belfast, Stockholm). Known for organizing annual “Innovate” events and hackathons.
- **Work Policy**: Not explicitly stated, but multiple global offices suggest a hybrid model. Technical roles span on-site and remote (open positions include Security Operations Engineer, SRE, SDET).
- **Perks**: Modern office spaces (new Belfast office with balcony), competitive compensation, and involvement in cutting-edge AI/security projects in the high-stakes finance world.
- **Job Seekers Note**: 15 active job postings (as of mid-2026) with a 66.7% increase in postings YoY. Roles span software engineering, security, support, sales, and management [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)

## Sources
1. [symphony.com](https://symphony.com/)
2. [linkedin.com/company/symphonycomm](https://www.linkedin.com/company/symphonycomm)
3. [globaldata.com](https://www.globaldata.com/company-profile/symphony-communication-services-llc/)

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