Code and Theory

Senior Engineer, Back-end

Code and Theory

full-time

Posted on:

Location Type: Remote

Location: New YorkUnited States

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Salary

💰 $120,000 - $150,000 per year

Job Level

About the role

  • Lead the technical direction of projects, making high-level architectural decisions for full-stack applications that integrate AI services
  • Design and build robust backend services (Python) and intuitive, interactive frontend interfaces (React/Vue/Angular) that visualize complex data and AI interactions
  • Architect and maintain data processing pipelines, agentic workflows, and LLM integrations to solve real-world client problems
  • Foster a culture of excellence by performing rigorous code reviews, mentoring junior and senior developers, and driving the adoption of best practices
  • Partner closely with Product Management, Design, and QA to translate complex requirements into technical roadmaps and deliverable software
  • Evaluate system performance across the full stack, identifying bottlenecks in both the frontend rendering and backend AI inference layers to ensure scalability and reliability
  • Stay ahead of the curve on the latest AI trends (e.g., SLMs, Agentic AI, Multimodal models) and web technologies, advising stakeholders on feasibility and implementation

Requirements

  • 4+ years of total software development experience
  • Expert proficiency in Python for backend development (FastAPI, Flask, or Django) and data processing
  • Strong experience with modern JavaScript/TypeScript frameworks (React, Vue, or Angular) and state management
  • Proven experience building applications on top of LLMs (OpenAI, Anthropic, OSS models), implementing RAG patterns, and using frameworks like LangChain or LlamaIndex
  • Deep experience designing and consuming RESTful APIs, GraphQL, and WebSockets
  • Mastery of Git, CI/CD pipelines, containerization (Docker/Kubernetes), and automated testing frameworks (Pytest, Jest, Cypress)
  • Experience with both relational databases (PostgreSQL) and Vector databases (Pinecone, Milvus, Weaviate, or pgvector)
  • Strong communication skills with the ability to explain complex technical concepts to non-technical stakeholders.
Benefits
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Professional development opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonFastAPIFlaskDjangoJavaScriptTypeScriptReactVueAngularRESTful APIs
Soft Skills
communicationmentoringcode reviewscollaborationproblem-solving