Clear Street Tech Stack

Cloud-native capital markets platform for institutional investors

Financial Services New York, New York 501–1,000 employees Founded 2018 Privately Held

Clear Street operates a modern, end-to-end capital markets infrastructure built on Java, Spring, PostgreSQL, Kafka, and AWS—a deliberately layered stack for low-latency trading and settlement. Active projects span algorithmic execution, prime brokerage, derivatives clearing, and tax automation, indicating a build-from-scratch approach to replace legacy systems. The hiring mix is heavily weighted toward senior and mid-level engineers (40 of 67 roles), paired with finance and operations talent, reflecting both engineering intensity and the domain expertise required to navigate regulatory constraints.

Tech Stack 68 technologies

Core StackJava Spring PostgreSQL gRPC React TypeScript Kafka Docker Kubernetes AWS Python C++ Rust Go Snowflake Redis Swift SwiftUI Spring Boot Spring Security OAuth Spring Framework SQL GSON JSON Schema UIKit iOS REST Excel PowerPoint+38 more

What Clear Street Is Building

◆Challenges

Replacing legacy infrastructure
Reducing risk redundancy cost
Expanding product reach
Ensuring high performance and resiliency
Single source-of-truth platform
Automation of tax processes
Modernizing brokerage ecosystem
Building technology stack from scratch
Regulatory change
Minimizing risk redundancy cost

▲Active Projects

Algorithmic trading strategies
Execution management system
Studio platform development
Securities finance and futures applications
Workforce forecasting models
Cleared derivatives back-office system modernization
Automation of tax processes
Proprietary prime brokerage platform
Automation opportunities to improve reporting accuracy
Cloud-native clearing and custody system

Hiring Activity

Steady65 roles · 30 in 30d

Department

Engineering

Finance

Ops

Legal

Custody

Marketing

Research

Seniority

Senior

Mid

Director

Junior

Lead

Staff

Manager

Company intelligence

Find more companies like Clear Street by tech stack, pain points and active projects

Get started free

About Clear Street

Clear Street is a privately held capital markets technology company founded in 2018, headquartered in New York. The platform provides institutional investors with a unified, cloud-native interface to access and trade across multiple asset classes and markets. The product spans execution management, securities finance, derivatives clearing, prime brokerage services, and back-office automation—all consolidated into a single infrastructure. The company operates through regulated entities and serves sophisticated investors seeking alternatives to fragmented, legacy-dependent systems. With 501–1,000 employees and active hiring across the US, UK, Canada, Sweden, and the Netherlands, Clear Street is scaling both product depth and geographic footprint.

HeadquartersNew York, New York

Company Size501–1,000 employees

Founded2018

Hiring MarketsUnited Kingdom, United States, Sweden, Canada, Netherlands

Frequently Asked Questions

What is Clear Street's tech stack?

Java, Spring Boot, PostgreSQL, Kafka, Kubernetes, React, and AWS form the core. Additional languages include Python, C++, Rust, and Go. Snowflake handles analytics; Redis provides caching.

What is Clear Street building?

Current projects include algorithmic trading execution, a proprietary prime brokerage platform, cleared derivatives back-office modernization, securities finance applications, tax automation, and a cloud-native clearing and custody system.