Full Stack Software Engineer

Full Stack Software Engineer Full Stack Software Engineer Biddeford, Maine Hybrid Direct Hire $160k - $220k Full Stack Software Engineer (Active DoD Security Clearance) - Washington, DC (

Hybrid:

1-2 days onsite) Join a fast-growing, Series A startup building cutting-edge AI-driven software that supports mission-critical workflows across defense, government, and commercial sectors. This is a full-time opportunity based in Washington, DC (hybrid), offering the chance to work with modern technologies including LLMs, Python, TypeScript, and distributed systems architecture. You'll be helping to build a platform focused on document-centric compliance, security, and intelligent search, leveraging state-of-the-art AI techniques. This is a rare opportunity to get in early at a company where your work will directly shape both the product and the engineering culture. The #1 draw here is ownership and impact—you won't just be another engineer, you'll help define architecture, influence product direction, and solve complex, meaningful problems tied to national security and enterprise-scale data challenges. They're looking for curious, adaptable engineers who enjoy tackling ambiguity, learning quickly, and working closely with a tight-knit team. In return, you'll gain hands-on exposure to advanced AI systems, real user impact, and strong career growth in a high-upside environment—without sacrificing flexibility and balance. Required Skills & Experience

• Active US DoD Security Clearance (will not see candidates without this)
• 4+ years of professional software engineering experience (flexible for strong junior candidates)
• Proficiency in Python and/or TypeScript
• Experience with system design and building scalable applications
• Strong communication skills and ability to work cross-functionally
• Experience or exposure to LLMs, NLP, or AI-driven applications Desired Skills & Experience
• Experience working in startup or early-stage environments
• Familiarity with cybersecurity principles and best practices
• Experience building full-stack applications (frontend + backend APIs)
• Exposure to cloud infrastructure (AWS, GCP, or Azure)
• Experience working directly with end users or product teams What You Will Be Doing Tech Breakdown
• 50% Backend (Python, APIs, system design)
• 30% Frontend (TypeScript, modern web frameworks)
• 20% AI/LLMs & Data Systems Daily Responsibilities
• 70% Hands-On Development (coding, architecture, implementation)
• 10% Strategic/Planning (system design, product input)
• 20% Team Collaboration (working with engineers, product, and users) The Offer
• Bonus + equity (high-upside Series A) You will receive the following benefits:
• Medical, Dental, and Vision Insurance
• Generous Vacation Time
• Stock Options / Equity Applicants must be currently authorized to work in the US on a full-time basis now and in the future, and must actively hold a US DoD Security Clearance.

#LI-CCIO

Specialization:

Python