Senior Full Stack Engineer – Backend Focus + AI Integration

About the Position

We are excited to announce a Senior Full Stack Engineer role with a focus on backend and AI integration at Milestone. If you enjoy building complex systems where AI, data, and real-world decision making intersect, you will find the challenges here interesting.

About Our Partner

Milestone is building the advisory infrastructure layer for cybersecurity, converting advisory work to software. They are building an AI-native reasoning system that ingests security artifacts such as policies, audit reports, control matrices, logs, and interviews, converts them into structured observations, maps them to risk frameworks, and generates evidence-linked findings and recommendations. The system combines LLMs, structured data pipelines, knowledge graphs, and agentic workflows to produce advisory outputs with deterministic traceability from source evidence to final recommendation.

Responsibilities

• Build and own end-to-end features – from Firebase backend to React UI
• Integrate LLM APIs (OpenAI, Claude, Gemini, etc.) to generate outcomes like cyber insights for enterprises, building audit roadmaps, and generating comparative benchmarks
• Design how agents work, set standards, define guardrails, and build mechanisms that allow them to produce great results as the team expands
• Design & develop scalable, testable infrastructure for real-time engagement visibility and automation
• Collaborate directly with the CTO and our engineering team to ship fast and smart

Requirements

• 5+ years of experience in Engineering
• 3+ years of strong backend experience with Python, Node.js, and Firebase (Firestore, Functions, Auth)
• 3+ years of work experience with TypeScript
• Comfortable working on the front end with React + MUI
• 1+ years of work experience with building at least 1–2 projects with LLM APIs (OpenAI, Claude, Gemini, etc.)
• Fast learner, adaptable, and excited by working on ambiguous, high-impact problems
• Bonus: Familiarity with LangChain.js, vector databases (e.g., Pinecone), and AI agent design

We Offer

• Work with a lean, high-performing team obsessed with solving real-world problems
• As a native AI company, we leverage agentic build process to iterate fast - you'll see your work shape outcomes for global enterprises
• Collaborate with market-leading companies and top-tier CISOs
• High ownership, rapid personal growth, and the opportunity to join a company with strong traction

Locations

• Remote: Global
• Recruitment: Global

Employment Type

• Full-time