DotNet Full Stack Developer

Cynet systems Inc; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading software development company in the United Kingdom is seeking a Senior Full-Stack Software Engineer with strong experience in .NET, React, and SQL Server. The role involves leading the design and development of secure applications, collaborating with various teams, and ensuring compliance with healthcare standards. Candidates should have a deep understanding of healthcare systems, EDI integration, and cloud platforms. This position offers a competitive pay range of $60 to $65 per hour.

Qualifications

• 10+ years of overall software engineering experience.
• 5+ years of full-stack development using .NET and React.
• Strong experience with SQL Server database design and performance tuning.

Responsibilities

• Lead design, development, and deployment of full-stack applications.
• Architect and implement secure and scalable services and user interfaces.
• Collaborate with business analysts, architects, and cross-functional teams.

Skills

.NET

React

SQL Server

RESTful APIs

EDI X12 transactions

Azure cloud platform

Docker

DevOps practices

Healthcare data security

Education

Bachelor’s degree or equivalent relevant work experience

Job description

Job Description

Pay Range: $60hr - $65hr

Requirements

• 10+ years of overall software engineering experience.
• 5+ years of full-stack development using .NET and React.
• Strong experience with SQL Server database design and performance tuning.
• Hands‑on experience with RESTful APIs and integration patterns.
• Strong EDI (X12/HIPAA) experience.
• Deep understanding of the healthcare provider domain.
• Experience with cloud platforms, preferably Azure.
• Strong communication and collaboration skills.

Experience

• Full‑stack application development using .NET, React, SQL, and APIs.
• Designing and implementing secure, scalable backend services and front‑end solutions.
• EDI (X12) integrations including parsing, validation, mapping, acknowledgments, and reconciliation.
• Working with healthcare provider data and workflows.
• Cloud, containerization, and DevOps practices.
• Coordinating work across distributed teams.

Responsibilities

• Lead design, development, and deployment of full‑stack applications.
• Architect and implement secure and scalable services and user interfaces.
• Own EDI (X12) integrations and error handling processes.
• Collaborate with business analysts, architects, and cross‑functional teams.
• Ensure data integrity, security, and compliance with HIPAA and PHI/PII standards.
• Drive quality through testing, code reviews, CI/CD pipelines, and SDLC best practices.
• Coordinate onshore and offshore execution with clear documentation and delivery alignment.
• Document technical designs, workflows, and operational runbooks.
• Participate in technical governance, reviews, and continuous improvement initiatives.

Should Have

• Experience with healthcare provider ecosystems.
• Familiarity with provider data feeds and provider directory APIs.
• Exposure to EDI translators and claim or payment processing flows.
• Knowledge of infrastructure‑as‑code and observability tools.
• Understanding of healthcare data governance and compliance frameworks.

Skills

• .NET, React, SQL Server.
• RESTful APIs, OAuth2, OIDC, JWT.
• EDI X12 transactions (837, 835, 270/271, 276/277, 278).
• Azure cloud platform.
• Docker and DevOps practices.
• Healthcare data security and compliance.

Qualification and Education

• Bachelor’s degree or equivalent relevant work experience.