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Twenty Tech Stack

Industrial-scale cyber operations platform for U.S. defense and intelligence

Computer and Network Security Arlington, VA 11–50 employees Founded 2024 Privately Held

Twenty is a defense-focused software company building cyber capabilities at scale for government warfighting missions. The stack—Go, Java, Rust, Kafka, Neo4j, AWS security primitives (GuardDuties, CloudTrail, Security Hub)—reflects deep real-time operational requirements: the prevalence of event-driven patterns (NATS, RabbitMQ, Kafka, SQS) and graph databases (Neo4j, Neptune) signals they're processing complex threat intelligence and relationship data at high throughput. The hiring velocity is accelerating across an engineering-heavy org (14 engineers, mostly senior/staff level), with parallel scaling in finance and HR typical of post-seed defense contractors managing hypergrowth and investor relations.

Tech Stack 32 technologies

Core StackGo Java Kotlin C# Python C++ Rust AWS Ashby Neo4j Slack Terraform Grafana Loki Ansible GitLab CI/CD CircleCI OpenTelemetry PostgreSQL RabbitMQ Kafka NATS AWS Neptune IAM GuardDuty AWS Security Hub CloudTrail Tempo Mimir AWS SQS+2 more

What Twenty Is Building

Challenges

  • Complex demands of modern cyber operations
  • Protecting against cyber attacks
  • High-throughput backend services for real-time operational data
  • Performance at scale
  • Throughput and latency
  • Future audit readiness
  • Hypergrowth accounting
  • Operating across cloud and on-prem environments
  • Transaction volumes 10x
  • Fundraising and investor relations

Active Projects

  • Real estate
  • Variable compensation analysis
  • Operational workflows
  • Data lake for cyber operations
  • Scalable backend services in go
  • Automation of operational tasks
  • Ai-powered graph database applications
  • Cash management policies
  • Vendor strategy
  • Event-driven distributed systems

Hiring Activity

Accelerating35 roles · 20 in 30d

Department

Engineering
14
Finance
6
Security
4
HR
3
Product
3
Data
2
Ops
2

Seniority

Senior
16
Mid
10
Staff
4
Junior
2
Manager
2
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About Twenty

Twenty delivers cyber capabilities to the U.S. government and allied nations, bridging R&D and operational deployment at speed. Founded in 2024 and based in Arlington, VA, the company operates as a 11–50 person engineering organization backed by defense-focused investors including In-Q-Tel, General Catalyst, and Caffeinated Capital. Active projects span operational infrastructure (scalable Go backends, data lakes for cyber operations, automation workflows), AI applications on graph data, and internal systems (cash management, vendor strategy, accounting for hypergrowth). Core challenges center on sustained throughput and latency under mission-critical conditions, multi-environment operations (cloud and on-prem), and the financial complexity of rapid scaling.

HeadquartersArlington, VA
Company Size11–50 employees
Founded2024
Hiring MarketsUnited States

Frequently Asked Questions

What is Twenty's tech stack?

Go, Java, Kotlin, C#, Python, Rust for compute; Kafka, NATS, RabbitMQ, AWS SQS for events; Neo4j and AWS Neptune for graph workloads; Terraform, Ansible, GitLab CI/CD, CircleCI for infrastructure; Grafana, Loki, Tempo, Mimir for observability; PostgreSQL for persistence.

What is Twenty working on?

Real-time cyber operational infrastructure including data lakes, scalable Go backends, event-driven systems, AI-powered graph applications, and operational automation. Also developing internal finance/HR systems to support hypergrowth and fundraising operations.

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How this profile is built

Twenty's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.