Backend API Developer for Claims Engine

PHP, Java, XML, Python, Data Processing, C# Programming, C++ Programming, Backend Development, API Development, API Integration · Automated Claims Processing Engine (Backend API)

Category: Backend Development / API Engineering Budget: £1,350 GBP Hourly rate range (if hourly bids considered): $30/hr – $250/hr Project deadline: Saturday, 10 October 2026

Description: We're building a backend engine that ingests structured claim files, validates them against business rules, and outputs adjudication results via API. This is a pure data-processing/backend service — no UI work involved. Looking for someone who can design the validation pipeline, build the API layer, and ensure the engine handles edge cases and malformed input gracefully.

Key requirements:

Strong backend/API development skills (Python, Java, or C#) Experience with rules-engine or workflow-validation logic Comfortable working with structured file formats (CSV, XML, or EDI-style files) Solid testing discipline for data-processing pipelines

Deliverables:

Working API endpoint(s) for claim submission and status retrieval Validation/rules engine with documented rule set Test suite covering standard and edge-case inputs

Money-Back Guarantee & Acceptance Terms:

Freelancer's acceptance of these terms. By commencing any work under this project — includ