PEAK6 Tech Stack

Proprietary trading and fintech platform with quantitative research and infrastructure at scale

Financial Services Chicago, IL 1,001–5,000 employees Privately Held

PEAK6 operates across proprietary trading, options clearing, and fintech infrastructure, backed by a stack spanning AWS, Kubernetes, PostgreSQL, and FIX protocol, with active hiring across engineering and finance roles. The company is adopting Apache Airflow, Kafka, and Java while simultaneously managing VDI rollouts and building research tools that map trader intuition into quantitative models—a dual focus on both operational modernization and core trading innovation.

Tech Stack 76 technologies

Core StackAWS Python PostgreSQL SQL Server NetSuite NGINX Kubernetes Datadog PagerDuty Jira Splunk HubSpot Marketo Salesforce Epic Systems Slack FIX Adaptive Insights Excel Windows macOS Google Workspace Microsoft 365 Netskope Gmail SQL LinkedIn PowerPoint VDI 1Password+42 more

AdoptingApache Airflow Kubernetes Kafka Java

What PEAK6 Is Building

◆Challenges

Process inefficiencies
Optimizing critical path performance
Identifying business enablement opportunities
Improving detection accuracy
Process improvements to increase efficiency
Vdi rollout support
Vdi migration support
Seamless continuity
Client experience improvement
Complex client inquiries

▲Active Projects

Research initiatives mapping trader intuition to quantitative models
Infocus application
Risk engine backend development
Portfolio rebalancing system
Billing platform microservices architecture
Assignments and reconciliation tools
Vdi rollout
Dynamic testing methodology development
Finance and operations software development
Vdi migration

Hiring Activity

Steady100 roles · 35 in 30d

Department

Engineering

Finance

Sales

Support

Ops

Product

Data

Seniority

Mid

Senior

Junior

Intern

Manager

Staff

Director

Lead

Notable leadership hires: Product Director

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About PEAK6

PEAK6 is a privately held investment and technology firm headquartered in Chicago with 1,001–5,000 employees. Beyond proprietary trading and options clearing, the company operates consumer-facing fintech initiatives, insurance products, and esports ventures. Active project work spans risk engine development, portfolio rebalancing systems, billing platform microservices, and reconciliation tooling, supported by a distributed engineering and finance team across the United States, Hungary, the United Kingdom, and the Philippines. The technology footprint reflects a hybrid operational model: legacy financial systems (SQL Server, Epic, NetSuite, FIX) coexist with cloud infrastructure (AWS, Kubernetes) and modern data tooling (Kafka, Airflow, Splunk, Datadog).

HeadquartersChicago, IL

Company Size1,001–5,000 employees

Hiring MarketsUnited States, Hungary, United Kingdom, Philippines

Frequently Asked Questions

What tech stack does PEAK6 use?

AWS, Python, PostgreSQL, SQL Server, Kubernetes, Kafka, Apache Airflow, FIX protocol, NetSuite, Datadog, Splunk, and Salesforce. The company is actively adopting Apache Airflow, Kafka, and Java.