Episode Six Tech Stack

Enterprise card issuing and ledger infrastructure for banks and fintechs

Financial Services Austin, TX 201–500 employees Founded 2015 Privately Held

Episode Six operates a cloud-native card-issuing and ledger platform serving 70+ enterprise customers across 50 markets. The tech stack—Java, Spring, React, Kubernetes, AWS across 16 regions, plus Oracle and Cassandra—reflects a mature, horizontally scaled backend built for payment throughput and multi-region failover. Current work centers on migrating live card portfolios from competing processors without downtime, hardening fraud and spend controls, and adopting new Mastercard and Visa feature sets, indicating deep integrations with card networks and a focus on competitive differentiation through network-native functionality.

Tech Stack 37 technologies

Core StackJava JUnit React TypeScript JavaScript Redux NetSuite AWS Linux Hibernate MySQL Oracle SQL Server Cassandra Python Kubernetes Terraform AWS RDS Microsoft Office CSS SCSS SASS Axios Excel Windows Spring Framework Groovy JPA DB2 Boto3+7 more

What Episode Six Is Building

◆Challenges

Migrating active cards from old processors
Preventing fraud and overspending
Increasing development efficiencies
Maintaining leading user experience
Scaling account management
Maintaining security in hybrid cloud environment
Ensuring pci dss compliance
Adopting mastercard features
Migrating active cards to new system
Strengthening finance infrastructure

▲Active Projects

Adopting new mastercard and visa features like donations and carbon calculator
Implementing spending controls to prevent fraud and overspending
Migrating active cards from old processors and competitors to our system with no downtime for card holders
Dashboard transformation
Critical infrastructure tools for paas instances
Kubernetes cluster management

Hiring Activity

Steady35 roles · 10 in 30d

Department

Engineering

Sales

Ops

Finance

Security

Support

Seniority

Senior

Director

Mid

Intern

Manager

Staff

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About Episode Six

Episode Six builds card-issuing and ledger infrastructure for banks, fintechs, and brands. The platform supports credit cards, prepaid and debit, commercial cards, virtual accounts, multi-currency wallets, and embedded lending features like installments and BNPL. Founded in 2015 and headquartered in Austin, the company operates across 16 AWS regions and 50 markets, serving 70+ enterprise customers with 40M+ end users. The engineering-heavy hiring profile (nearly half of active roles) and security focus reflect the operational complexity of managing payment systems under PCI DSS and hybrid-cloud compliance requirements.

HeadquartersAustin, TX

Company Size201–500 employees

Founded2015

Hiring MarketsUnited States, India, Canada, Dominican Republic, United Kingdom, Philippines, Argentina, Thailand

Frequently Asked Questions

What tech stack does Episode Six use?

Java, Spring Framework, React, TypeScript, Kubernetes, Terraform, AWS (16 regions), MySQL, Oracle, Cassandra, and Python. Oracle and Cassandra storage indicates large-scale transactional and distributed data needs.

How many customers does Episode Six serve?

70+ enterprise customers across 50 markets, serving 40M+ end users. The customer base includes banks, fintechs, and brands launching card and lending products.