---
title: 'Frontend Software Engineer at Improbable 2'
canonical: 'https://feeny.ai/job/frontend-software-engineer-improbable-2-arlington-my4r310vg6mv'
type: 'job'
last_seen: '2026-09-14'
---

# Frontend Software Engineer at Improbable 2

- **Company:** Improbable 2
- **Location:** Arlington, VA
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2022-08-16
- **Last confirmed live:** 2026-09-14
- **Apply:** https://jobs.lever.co/improbable-2/01105706-e9fc-413c-bfbb-11ccd011fc65

## Job description

Join Improbable U.S. Defense & National Security and you will help users leverage our synthetic environment development platform to plan and train for the most complex security threats in the world. Working along experts in AI, Machine Learning, computational modeling, and distributed systems, you will put multiplayer gaming technology to life-saving use.

Our mission? To enable the most realistic and effective virtual worlds ever experienced. Our team in Arlington, VA, and across several other locations in the US, is focused on applying our technology to solve real-world Defense and National Security problems.

At Improbable, you will be surrounded by people who want to improve everything and everyone around them, and who compel you to improve yourself. We’re motivated by the fulfillment of solving hard problems to achieve something profound and transformative.

## Your Mission

Our software engineers working in this area are delivery focused, working in diverse technical teams to design, build, deploy, and evaluate models and simulations and the technologies that power them. Our work delivers new solutions to some of the most important challenges we face today.

Areas for Impact

- You will contribute to opinions, best practices, and technology choices to set us up for delivering the best possible solutions to our customers.
- Operating in a PoC heavy environment, you will have a lot of scope for impact in a customer facing capacity. Helping to break through and define loose requirements as well as cutting through ambiguity
- Working closely with product managers, designers and scientific modelers, you will to help determine and design what we will build.
- Writing coherent, logically abstracted, well-tested, and well-structured code.
- Collaborate closely and effectively with members of other engineering teams to find the best path to delivering a high quality solution.
- From time-to-time you may be asked to assist with back-end engineering to ensure customer success.

We'd like to hear from you if you identify with the following

- 3+ years of experience engineering Single Page Web Applications with a modern framework in complex environments. React preferred but will consider other UI frameworks like Vue or Angular.
- Designed and engineered complex end-to-end flows of data from APIs to render large volumes of data on screen.
- Have expertise in Typescript, React, Redux, this would be a major advantage.
- Great experience working on high performance web applications.
- Experience contributing to CI/CD practices to deploy and maintain scalable UI components and recommending and establishing UI development Best practices.
- Have great experience in customer facing environments and feel comfortable in this capacity
- Not afraid of ambiguity or loose client requirements. You are happy to forgo perfection over pragmatism in your work.

While we think the above experience could be important, we’re keen to hear from people that believe they have valuable experience to bring to the role. If you identify with the team and mission, but not all of our requirements, then please still apply!

## About Improbable 2

## Company Overview
- **One-liner**: Improbable is a venture builder and technology company that creates large-scale virtual worlds, simulation platforms, and synthetic environments for gaming, defense, and the metaverse; its U.S. Defense & National Security division (sometimes referred to as “Improbable 2”) applies these capabilities to solve complex real-world security challenges.
- **Entity Type**: Private (over $854M total funding, 7 rounds)
- **Headquarters**: London, England, United Kingdom (primary) / Arlington, Virginia, United States (U.S. Defense & National Security hub)
- **Founded**: 2012
- **Founders**: Herman Narula, Peter Lipka, Rob Whitehead

## Core Business
- **Primary industries**: Software development, simulation & modeling, defense technology, metaverse infrastructure, AI, Web3
- **Target customers**: B2B – enterprise and government clients, especially defense and national security agencies; also gaming studios and metaverse ventures
- **Mission statement**: “To enable the most realistic and effective virtual worlds ever experienced.”

## Products & Services
- **SpatialOS**: A platform for building and running massive, persistent virtual worlds (used in gaming and simulation).
- **Morpheus**: Technology that powers record-setting live multiplayer experiences (e.g., ScavLab with 4,000+ players, metaverse concerts).
- **M**: A product for creating synthetic environments and decision-support simulations.
- **Synthetic Environment Development Platform**: The core offering for U.S. Defense & National Security – used to plan, train, and simulate complex security threats by combining AI, ML, computational modeling, and distributed systems.
- **Venture Builder Services**: Improbable incubates and spins out ventures in AI, Web3, and the metaverse, providing capital, expertise, and hands-on support.

## Market Standing
- **Valuation / Market Cap**: Not publicly disclosed
- **Key Metric**: Annual Revenue (parent company): GBP 579.9K (latest available data) – note: this figure may be outdated or reflect only a portion of the business; total funding: **$854M** (7 rounds, including $502M led by SoftBank in 2017)
- **Notable Investors / Partners**: Andreessen Horowitz, SoftBank, Horizons Ventures, Temasek
- **Growth Signals**:
  - Headcount grew 109.4% YoY (currently ~87 employees, distributed across 11 countries)
  - 17 ventures created, including 7 exits
  - Active expansion of U.S. Defense & National Security team (multiple open roles for Applied Scientists, Model Engineers, Software Engineers)
  - Proven record of delivering large-scale live simulations (4,000+ player events)

## Competitive Advantages
- **Deep technical moat** in multiplayer networking, distributed simulation, and agent-based modeling, originally developed for gaming and now applied to defense.
- **First-mover credibility** in the intersection of gaming technology and national security.
- **Strong investor backing** and relationships with both commercial and government clients.
- **Proprietary platforms** (SpatialOS, Morpheus, M) that are difficult to replicate and offer unique scalability.

## Strategic Focus
- **Venture building**: Incubating and scaling autonomous companies in AI, Web3, and the metaverse.
- **Defense & national security**: Applying synthetic environment technology to help clients “interrogate the past, understand the present, and predict the future.”
- **Technology modernization**: Moving from a pure technology provider to a venture builder model, spinning out successful internal teams.

## Why Work Here
- **Impactful mission**: Work on technology that directly supports national security and complex decision-making – “put multiplayer gaming technology to life-saving use.”
- **Cutting-edge tech stack**: Work with Python, R, Java, C++, C#, Unity, Unreal, and probabilistic programming in a collaborative, interdisciplinary environment.
- **Collaborative culture**: Teams of engineers and applied scientists work closely with customers and product teams; emphasis on autonomy, thought leadership, and continuous learning.
- **Growth opportunity**: Rapidly growing U.S. Defense team (roles in Arlington, VA and other U.S. locations) with room to shape the direction of modeling and simulation.
- **Work model**: Not explicitly stated, but roles appear to be on-site/hybrid in Arlington, VA; parent company has offices in London, Greater London, and multiple international locations.

## Sources
1. [Improbable – About Us](https://www.improbable.io/about-us)
2. [Improbable – LinkedIn](https://linkedin.com/company/improbable)
3. [Improbable LLC – Applied Scientist Job Description](https://jobs.lever.co/improbable-2/0a7e87f3-d3ed-45a1-9c05-330797824b46)
4. [Improbable LLC – Model Engineer Job Description](https://jobs.lever.co/improbable-2/0a20c258-2a51-4e64-adaf-e887dfb07e69)
5. [Improbable LLC – Frontend Software Engineer Job Description](https://jobs.lever.co/improbable-2/01105706-e9fc-413c-bfbb-11ccd011fc65)

## Other roles at Improbable 2

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