Senior Fullstack Software Engineer, Onebrief

$180-230k

Salary depends on job level

React

Kubernetes

TypeScript

Redis

Node.js

Postgres

Senior and Expert level

Remote from US

Operating system for military command

Open for applications

Operating system for military command

201-500 employees

B2BArtificial IntelligenceSaaSAPICyber SecurityData Integration

Open for applications

$180-230k

Salary depends on job level

React

Kubernetes

TypeScript

Redis

Node.js

Postgres

Senior and Expert level

Remote from US

201-500 employees

B2BArtificial IntelligenceSaaSAPICyber SecurityData Integration

Company mission

To enable faster, smarter decisions, by syncing data across all products in real-time.

Job

Company

Role

Who you are

6+ years of experience as a Software Engineer, including owning meaningful product or platform surfaces
Experience collaborating across teams to deliver elegant, strategic solutions to defined problems
A comprehensive understanding of the current state of web technology and best practices
A track record of shipping in B2B SaaS or similarly demanding domains
Clear, context-rich communication across PRs, RFCs, and collaborative docs
Comfort navigating ambiguity and low-process, async environments
Hands-on experience improving team velocity via tooling or process improvements

What the job involves

As a Senior Software Engineer, you'll work in close collaboration with our product, design, and tech operations teams
You'll be responsible for implementing and refining our realtime collaboration, maps, data visualization, rich text, and presentation features, as well as workflows and integrations—all of which are distinguished by rich and highly interactive user interfaces
This is a hands-on role, but you'll also play a key function in continuously improving our end-to-end architecture and developer experience
Own team-level architecture, delivering strategic and tactical software to address defined problems
Begin to influence work outside of your direct team, solving complex problems impacting performance, features, and product design
Support and unblock peers through async reviews, pairing, and mentorship
Work in an async-first way, aligning clearly on scope, tradeoffs, and outcomes
Build across the stack, using TypeScript/React/Node with PostgreSQL, Redis, and Kubernetes under the hood
Core tech we use:
Frontend: React, TypeScript, Vite, shared component libraries, client-side observability
Backend: Node.js, PostgreSQL, Redis, secure RESTful APIs
Infrastructure: Kubernetes, AWS, CI/CD pipelines
Integrations: CSV/Excel/KML importers, JWT auth, PDF exports, DoD data systems

Our take

Onebrief is transforming military planning with its software platform, which simplifies and speeds up operational tasks for US military headquarters worldwide. The platform enhances decision-making and streamlines complex planning, supporting various missions from defense to humanitarian aid.

The company has continuously updated its offering, for example by launching an API for better integration with other military tools, and developing offline access for remote use. It has also added AI features as part of continued innovation to meet the evolving needs of military users.

Onebrief has secured substantial funding which has allowed it to grow significantly. The latest round, secured in early 2026, will support rapid scaling and comes alongside the company's acquisition of Battle Road Digital, a leading defense innovation company applying gaming technology to defense and national security challenges.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 7 rounds)

Jan 2026

$200m

SERIES D

Jun 2025

$20m

SERIES C

Total funding: $344.2m

Company HQ

Aliamanu - Salt Lakes - Foster Village, Honolulu, HI

Leadership

Grant Demaree

(Co-Founder & CEO)

Mentor at Alchemist Accelerator. Their career spans leadership in the 101st Airborne Division and strategic roles in international operations.

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