Application Developer

Job Title: Application Developer
Location: Remote
Duration: 3-month contract

Job Description:
We are seeking a Senior Backend Software Developer to join our AI team team. This system uses LLMs, Python Fast API, and Document Extraction to do unstructured document processing for NER applications. You will contribute to both backend development, building new features, improving system reliability, and collaborating with a small agile team.
Ability to build an agent harness from scratch is a plus, along with ability to explain each component of an LLM and how it works.

Core Responsibilities
Work with PostgreSQL for database operations, including schema design and query optimization
Integrate with Azure OpenAI and embedding models for LLM-powered features
Architect and design LLM evaluation, prompt optimization, drift detection
Write strong clean typed Python code that's production ready
Write unit and integration tests (pytest) with high coverage; participate in code reviews

Qualifications
5 years of professional software development experience
Strong proficiency in Python (3.10 ), FastAPI, and async/await patterns
Strong proficiency in PostgreSQL (schema design, query optimization, migrations)
Experience integrating with LLM APIs (OpenAI, Azure OpenAI) and building AI-powered features
Experience with building test suites, golden data sets, and LLM evaluation
Some familiarity with LLM components such as tokenization, cache, etc.
Strong code quality practices - type annotations, linting, automated testing
Excellent communication skills; ability to work independently in a distributed team
Familiarity with Pydantic, dependency injection patterns, and repository-pattern architectures is a plus