[Remote] Horizon: Full-Stack Engineer (Senior)

Note: The job is a remote job and is open to candidates in USA. Spear AI is a growing defense contracting company delivering technology that supports national security and maritime domain awareness. The Senior Full-Stack Engineer will build application components and data management capabilities, develop real-time and offline data pipelines, integrate machine learning models, and improve development and CI/CD tooling.

Responsibilities

• Build out application components and pages
• Implement historical and real-time data feeds using WebGPU
• Design and develop data models using Postgres and Apache Iceberg
• Modify real-time data pipelines using MQTT and Redpanda
• Modify offline data pipelines using Dagster for batch processing
• Modify and integrate machine learning models or other algorithms into the application
• Improve local development and CI/CD using modern tooling and GitHub Actions

Skills

• You're fanatical about polish. Every detail matters. You love to make sure your code is linted, formatted, fully typed, and has 100% test coverage
• You care about correctness. You take pride in the fact that downstream consumers trust libraries and services you build
• You obsess over performance. You daydream about Lighthouse scores and query speed
• You dive deep. It's important for you to really know how things work. You're always building prototypes and setting up experiments to reinforce your understanding
• You live on the bleeding edge. You've got a long list of upcoming platform features you're excited about and can't wait for the next nightly to drop
• You're a great teacher. You know how to break down a concept for a specific audience and make it click with them in a way that gets them excited
• Expertise in TypeScript
• Expertise in CSS, such as TailwindCSS
• Experience with React and frontend frameworks such as Next.js
• Familiar with state management such as React Context
• Experience with Node.js, GraphQL, and REST APIs
• Proficiency with SQL/PostgreSQL
• Knowledge of Docker and Kubernetes
• Knowledge of Python
• Experience with IoT devices and sensors
• Digital signal processing experience
• Geospatial analysis and GIS experience
• Familiar with working in monorepos

Benefits

• Unlimited PTO — Take the time you need to recharge and maintain work-life balance.
• Dedicated sick time — Your health and well-being come first.
• Comprehensive health and benefits – Medical, dental, and vision coverage to keep you and your family protected.
• 11 Paid Holidays — Enjoy time off throughout the year to celebrate and spend time with loved ones.
• Professional development — Educational opportunities and resources to help you grow your skills and advance your career.
• Collaborative environment — Work directly with leadership in our flat organizational structure, where your ideas and contributions matter.
• Mission-driven work — Contribute to projects that directly support national security and make a real-world impact.
• Growth opportunities — Join us during an exciting expansion phase where you can help shape our future.
• 401(k) with company match.
• Onsite / Remote / Flexible work arrangements or hybrid options (position dependent).
• Relocation assistance (position dependent).
• Referral bonuses.
• Performance bonuses.
• Life insurance and disability coverage.
• Technology home office setup stipend.
• Professional certification reimbursement (position dependent).

Company Overview