Senior Full-Stack Engineer (non-US)

Zapata Quantum

$120K — $150K *
US-AnywhereRemote in United States
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6+ years of experience in full-stack development
  • Strong focus on back-end architecture
  • Experience in building user-facing web applications
  • Familiar with AI-enabled workflows and tools
  • Ability to work independently with minimal oversight
  • Comfortable with UI/UX design principles and usability
  • Willingness to learn new technical domains as needed

Responsibilities

  • Design and build modern, user-interactive web applications
  • Integrate AI-driven features like intelligent search and recommendations
  • Analyze complex technical problems and deliver scalable software solutions
  • Lead architectural and product decisions
  • Deliver high-quality software with minimal supervision
  • Create clean, intuitive UI/UX solutions
  • Design backend systems and APIs to support application functionality

Benefits

  • High level of individual ownership in projects
  • Opportunity to work with cutting-edge technologies
  • Join a small, focused team fostering innovation
  • Encouragement to experiment boldly in engineering solutions
  • Expectation to deliver significant impact in a rapidly evolving marketplace
Full Job Description
About the role

We are seeking a skilled Full-Stack Engineer to build a knowledge graph ontology related to quantum computing and design and develop a user-interactive web application supporting it. The role focuses on building intuitive user interfaces, translating complex data structures into accessible and relevant experiences, and integrating AI-enabled application features. Prior experience in quantum computing is not required.

This position offers a high level of individual ownership and is well-suited to engineers who are comfortable working independently within a small, focused team. You will be asked to boldly experiment with cutting-edge technologies to unlock breakthrough performance and deliver outsized impact in a rapidly evolving marketplace. This position is classified as exempt under applicable wage and hour laws and requires the regular exercise of independent judgment and discretion in the design and development of software systems.

What you'll do

  • Design, architect, build, and improve a modern, user-interactive web application, including making decisions regarding system architecture, frameworks, and technical approaches
  • Integrate AI-driven features such as intelligent search, recommendations, or contextual assistance
  • Independently analyze complex technical problems and develop scalable, maintainable software solutions
  • Lead and contribute to architectural and product decisions, exercising independent judgment in selecting tools, technologies, and design patterns
  • Deliver high-quality software with minimal supervision, demonstrating autonomy in execution and technical decision-making
  • Design and develop clean, intuitive UI/UX solutions for navigating complex technical content
  • Design and implement backend systems, data models, and APIs to support complex application functionality

Qualifications

  • 6+ years experience
  • Strong full-stack engineering fundamentals with a focus on back-end architecture
  • Efficiency-driven, with a willingness to adopt new AI tools to maximize productivity
  • Demonstrated experience building user-facing web applications
  • Familiarity with AI-enabled application workflows or integrations
  • Ability to work independently and manage deliverables with minimal oversight
  • Design and implement backend systems, data models, and APIs to support complex application functionality
  • Willingness to learn new technical domains as needed
  • Familiarity with of UI/UX principles and product usability
Desired Programming Skills
  • React - building responsive, high-quality user interfaces
  • LLM API Integration
  • Data Pipeline Design
  • AI-assisted development (e.g., Claude Code)
  • Supabase / PostgreSQL
  • TypeScript / JavaScript
  • API Design (REST)
  • Cypher (Neo4j)
  • Vector databases (e.g. Pinecone, Weaviate, Milvus, FAISS)
  • Python
  • LaTeX
  • Prompt Engineering
Preferred Experience
  • Experience with data-intensive, graph-based, or visualization-heavy applications
  • Evidence of shipped products, professional work, or substantial personal projects
  • Strong communication skills and comfort articulating technical and design decisions

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