Full-Time

Software Engineer

Mid

Spear AI

Spear AI

51-200 employees

AI-enabled defense software and maritime sensors

No salary listed

No H1B Sponsorship

Washington, DC, USA

Remote

US Top Secret Clearance Required

Category
Software Engineering (1)
Required Skills
LLM
Python
JavaScript
React.js
Git
Node.js
Machine Learning
Java
RDBMS
GraphQL
Docker
Microservices
AWS
Go
Vue.js
REST APIs
DevOps
Angular

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Requirements
  • At least 4 years of hands-on software development experience.
  • An active TS/SCI clearance with the ability to obtain a CI polygraph.
  • Proficiency in at least one modern front-end framework, such as React, Angular, or Vue, and at least one back-end language, such as Python, JavaScript/Node.js, Java, or Go.
  • Experience with web frameworks, relational and/or non-relational databases, and cloud platforms.
  • Working knowledge of API design using REST or GraphQL and microservice patterns.
  • Knowledge of software engineering best practices and common design patterns.
  • Experience with version control using Git, testing frameworks, and DevOps tools.
  • Demonstrated ability and willingness to rapidly learn novel artificial intelligence platforms, frameworks, and tool integrations, including those enabling agentic artificial intelligence capabilities.
Responsibilities
  • Design and implement full-stack software components for artificial intelligence, machine learning, and analytic applications.
  • Develop RESTful APIs and microservices following established architectural patterns.
  • Build user interfaces and dashboards for artificial intelligence system monitoring, control, and mission workflows.
  • Implement automated testing and continuous integration practices.
  • Collaborate with data scientists, artificial intelligence engineers, and senior software engineers on system integration.
  • Troubleshoot and resolve software issues in development and production environments.
  • Participate in code reviews and maintain high-quality coding standards.
  • Contribute to software architecture decisions and technical documentation.
  • Contribute to continuous integration and continuous delivery pipelines and DevSecOps tooling under the guidance of senior engineers.
  • Support development and operation of MCP server integrations and artificial intelligence tooling.
Desired Qualifications
  • Strong AWS cloud skills, including ECS/EKS, Lambda, S3, IAM, RDS, and CloudWatch.
  • Experience with GitLab and GitLab continuous integration and continuous delivery pipelines.
  • DevSecOps exposure, including secure coding, automated testing, and container/dependency scanning.
  • Familiarity with MCP servers or tool-using large language model systems.
  • Familiarity with artificial intelligence and machine learning concepts and patterns for integrating machine learning services into applications.
  • Military experience.
  • Intelligence Community experience.

Spear AI builds AI and machine-learning tools for national security and maritime missions. Its Horizon AI Platform labels and manages acoustic data, while Forerunner handles edge AI processing and it also offers field-ready maritime sensors; combined with consulting services on AI strategy and data pipelines, the company provides a deployable hardware-software stack. The solutions help operators interpret passive acoustics to distinguish background sounds from potential threats, improving decision-making and situational awareness in challenging maritime environments. The team’s Navy background and focus on defense use set it apart, aiming to support Navy and allied operations with reliable, integrated tools for detection, data management, and edge computing.

Company Size

51-200

Company Stage

Seed

Total Funding

$2.3M

Headquarters

Washington DC, District of Columbia

Founded

2022

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Simplify Jobs

Simplify's Take

What believers are saying

  • Spear AI raised $2.3 million on 2025-07-25, extending runway and hiring.
  • Spear AI won a $6 million Navy contract for labeling software in 2025.
  • Its 2026-08-05 website shows production maritime sensors and active product expansion.

What critics are saying

  • The U.S. Navy contract and seed funding create dangerous customer concentration.
  • Ultra Maritime and Anduril validated competing undersea stacks at Lanternfish 2026.
  • If Navy procurement shifts to primes, Spear AI's standalone platform becomes irrelevant.

What makes Spear AI unique

  • Spear AI marries Navy veterans' operator intuition with passive-acoustics machine learning.
  • Its Horizon and Forerunner products convert chaotic underwater noise into deployable decisions.
  • It sells sensors, software, and services together, shortening defense adoption cycles.

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Benefits

Unlimited Paid Time Off

Paid Sick Leave

Health Insurance

Dental Insurance

Vision Insurance

11 Paid Holidays

Professional Development Budget

Remote Work Options

Flexible Work Hours

Hybrid Work Options

401(k) Company Match

Relocation Assistance

Employee Referral Bonus

Performance Bonus

Life Insurance

Disability Insurance

Home Office Stipend

Professional Certification Support

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

10%

2 year growth

-1%
Intelligence360 News
Aug 11th, 2025
Spear AI Secures Seed Funding Round

Spear AI announced the completion of its seed funding round with investments from Scare the Bear Capital and Cortical Ventures. The funding will help expand Spear AI's product portfolio, scale its Horizon platform, and enhance maritime sensor capabilities. The company aims to accelerate delivery of AI solutions to defense and commercial partners, focusing on transforming maritime data into actionable intelligence.

Read Magazine
Jul 28th, 2025
Spear AI Secures Seed Funding from Scare the Bear Capital and Cortical Ventures to Accelerate Maritime AI Solutions and Expand Technical Services

Spear AI secures seed funding from Scare the Bear Capital and Cortical Ventures to accelerate maritime AI solutions and expand technical services.

Tekedia
Jul 27th, 2025
Navy Veterans' Startup Spear AI Raises $2.3M, Wins $6M Navy Contract to Revolutionize Underwater Surveillance with AI

In parallel, Spear AI announced a $2.3 million seed funding round backed by venture capital firms with a focus on artificial intelligence and national defense technologies.

TechStartups
Jul 25th, 2025
Spear AI raises $2.3M to bring AI-powered threat detection to U.S. Navy submarines

Spear AI, an AI startup based in Washington, has secured $2.3 million in its first outside funding round to accelerate its work decoding underwater sounds using artificial intelligence, Reuters reported.

VCNewsDaily
Jul 25th, 2025
Spear AI Completes Seed Funding Round

Spear AI, a developer of maritime artificial intelligence solutions based in Washington, DC, has successfully completed its seed funding round.