Symphony Tech Stack

AI-powered messaging and voice platform for regulated financial institutions

Financial Services New York, New York 201–500 employees Founded 2014 Privately Held

Symphony operates a modular communication stack (messaging, voice, directory, analytics) purpose-built for financial services compliance. The tech foundation—Java, C++, TypeScript, Kubernetes, AWS/GCP, plus session border controllers and WebRTC—reflects infrastructure maturity for real-time, regulated workloads. Active migration toward GitOps and heavy investment in voice trading deployments and test automation signal a shift toward production-grade infrastructure and operational resilience.

Tech Stack 47 technologies

Core StackZendesk Python Java C# C++ TypeScript AWS Kubernetes Terraform Helm Linux Cloud9 Google Workspace Microsoft Office SIEM EDR DLP MITRE ATT&CK PowerShell Bash Oracle Communications Session Border Controller Wireshark Fusion Asterisk Teams SIP VoIP WebRTC GCP Windows+16 more

AdoptingGitOps

What Symphony Is Building

◆Challenges

Driving top-of-funnel pipeline
Expanding into other industries
Scalable and reliable infrastructure
Vendor consolidation
Scalability bottlenecks
Legacy integration
Ensuring backend quality
Shift-left testing mindset
Maintaining data privacy protections
Adhering to audit standards

▲Active Projects

Regional business development strategy for messaging product suite
Future development of messaging product portfolio
Voice trading application deployments
Driving top-of-funnel pipeline
Integration of cloud9 voice products
External connections to webrtc voice platform
Session border controllers infrastructure delivery
Scalable pbx solution evaluation
Test automation framework development
Backend test strategy execution

Hiring Activity

Decelerating25 roles · 7 in 30d

Department

Engineering

Sales

Support

Product

Data

Marketing

Operations

Ops

Seniority

Senior

Mid

Junior

Director

Intern

Notable leadership hires: Business Development Director

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About Symphony

Symphony is a communication platform serving over 1,000 financial institutions globally. Founded in 2014 and headquartered in New York, the company operates regional offices across the UK, France, Sweden, and Singapore. The product suite spans secure messaging, voice trading applications, directory services, and analytics—all designed to meet data residency and regulatory compliance requirements specific to finance. The platform supports encrypted communication workflows and integrates with institutional infrastructure through APIs and session border controller deployments.

HeadquartersNew York, New York

Company Size201–500 employees

Founded2014

Hiring MarketsUnited Kingdom, Singapore, France, Sweden, United States

Frequently Asked Questions

What is Symphony's tech stack?

Symphony uses Java, C++, TypeScript, Python, Kubernetes, AWS, GCP, Terraform, and Helm for core infrastructure. Voice systems leverage Oracle Communications Session Border Controller, SIP, VoIP, and WebRTC. Security tools include SIEM, EDR, DLP, and MITRE ATT&CK frameworks.

What is Symphony working on?

Active projects include voice trading application deployments, messaging product portfolio expansion, WebRTC voice platform integrations, session border controller infrastructure, test automation frameworks, and regional business development strategy for Asia-Pacific and Europe.