Full Stack Healthcare & Medical Billing Developer

ZAR Solutions; Karachi Division; On-site; PKR 90,000 - 130,000; Full time

Job summary

ZAR Solutions is seeking a Full Stack Healthcare & Medical Billing Developer based in Karachi. The ideal candidate will expertly develop healthcare platforms, optimizing user interfaces with React and handling complex backend integrations.

Join us to solve important problems within the US healthcare system, while working collaboratively in a fast-paced environment with a focus on performance and scalability.

Qualifications

• 3+ years of professional experience with React and modern full-stack development.
• Proven experience in the US medical billing or healthcare IT sector.

Responsibilities

• Build and optimize high-performance web applications using React.js and Next.js.
• Architect digital solutions for the end-to-end billing lifecycle.

Skills

Expert React Skills

Backend & Database Management

Healthcare Specifics

Strong Communication Skills

Experience with TypeScript

Tools

Node.js

SQL Server

PostgreSQL

Next.js

Tailwind CSS

Job description

Full Stack Healthcare & Medical Billing Developer

Job Title: Full Stack Healthcare & Medical Billing Developer

Location: 44 Razi Rd, Block 6 P.E.C.H.S, Karachi, Pakistan

Employment Type: Full-Time | On-site

Company: ZAR Solutions

Salary: Market Competitive

Note: This is a strictly on-site (Karachi) role. We are currently only considering candidates available for in-office work; remote or out-of-city applications will not be processed at this time.

Job Description

We are looking for a Full-Stack Developer who is an expert in the React ecosystem to lead the development of our healthcare and medical billing platforms. In this role, you will bridge the gap between high-performance user interfaces and complex healthcare logic, ensuring our systems are fast, secure, and compliant with US healthcare regulations.

You will be responsible for building intuitive dashboards that simplify Revenue Cycle Management (RCM) and developing robust back‑end integrations that handle sensitive patient and financial data.

Key Responsibilities

• Frontend Excellence: Build and optimize sophisticated, high-performance web applications using React.js and Next.js.
• Billing Workflow Automation: Architect digital solutions for the end-to‑end billing lifecycle, including claim submission, denial management, and patient statements.
• Healthcare Interoperability: Implement and manage EDI (X12) transactions (837, 835, 270/271) and integrate with EHR/EMR systems using HL7 or FHIR standards.
• Security-First Development: Maintain strict HIPAA compliance across the full stack, focusing on secure authentication, data masking, and encrypted transit.
• API Architecture: Design and consume secure RESTful APIs that connect our platform with major US clearinghouses and insurance payers.

Technical Requirements

• .Expert React Skills Deep knowledge of React hooks, Context API, and state management (Redux, Zustand, or TanStack Query).
• .Frameworks Mastery of Next.js for Server‑Side Rendering (SSR) and Static Site Generation (SSG) to ensure SEO and performance.
• .Styling & UI Experience with Tailwind CSS, Material UI, or Styled Components to build clean, professional healthcare interfaces.
• .Backend & Database Strong proficiency in Node.js or .NET Core. Expertise in SQL Server or PostgreSQL for managing complex relational billing data.
• .Healthcare Specifics Practical experience with ICD-10/CPT code integration. Experience handling EOB (Explanation of Benefits) and ERA (Electronic Remittance Advice) data processing.

Qualifications

• 3+ years of professional experience with React and modern full‑stack development.
• Proven experience in the US medical billing or healthcare IT sector.
• Solid understanding of the clearinghouse ecosystem (e.g., Availity, Change Healthcare).
• Experience with TypeScript is highly preferred for maintaining large‑scale healthcare codebases.
• Strong communication skills to translate complex billing requirements into technical specifications.

Why Join Us?

Opportunity to solve meaningful problems in the US healthcare system. Work with a modern tech stack focused on performance and scalability. Collaborative environment where technical innovation meets industry-leading domain expertise.