Role Description The EDI Developer will be responsible for designing, building, maintaining, and supporting healthcare EDI integrations across multiple transaction types. This role requires strong .NET expertise, hands-on experience with EdiFabric, and a deep understanding of healthcare claims workflows, payer companion guides, and real-world EDI behavior. Experience with Non-Emergency Medical Transportation (NEMT) is a significant advantage, as many integrations involve transportation-specific billing logic, modifiers, and state Medicaid requirements. - Design, implement, and maintain healthcare EDI pipelines using .NET and EdiFabric - Parse, validate, generate, and troubleshoot EDI transactions, including: - 834 – Eligibility / Enrollment - 837 (P / I / D) – Healthcare Claims - 835 – Remittance Advice - 270/271, 999, 277CA - Interpret and implement payer-specific companion guides - Manage end-to-end claims workflows: - Intake, validation, and submission - Acknowledgments (999, 277CA) - Remittance processing and posting (835) - Error handling, corrections, and resubmissions - Build and maintain robust logging, auditing, and reconciliation processes - Collaborate with product, operations, and external partners (health plans and transportation providers) - Ensure HIPAA-compliant data handling and monitoring - Contribute to and operate within a microservices-based architecture Qualifications - 5+ years of healthcare EDI development experience - Strong proficiency in C# / .NET - Hands-on production experience with EdiFabric - Deep understanding of healthcare EDI standards and workflows: - X12 structure, loops, segments, and qualifiers - Claims lifecycle and remittance processing - Proven experience implementing payer companion guides - Strong troubleshooting skills for real-world EDI issues (payer rejections, inconsistencies, edge cases) - Solid understanding of HIPAA and secure data handling practices Requirements - NEMT industry experience (major plus) - Experience with Medicaid and managed care plans - Hands-on experience with: - Docker - Docker Compose - Kubernetes - Familiarity with: - GitHub - GitHub Actions (CI/CD pipelines) - Exposure to microservices architectures - Familiarity with Protobuf / gRPC - Experience deploying and operating backend services in cloud environments Benefits - Work on real, high-volume healthcare and Medicaid integrations - Senior-level ownership and autonomy - Modern, containerized architecture - Remote-friendly environment - Opportunity to shape the EDI foundation of a growing NEMT platform

Role Description We have an amazing opportunity as a Senior Full-stack Developer to join our Simpat Tech Family! - Develop end-to-end web applications - DotNET Framework and .NET Core for back-end development along with modern front-end frameworks like Vue.js, React, and Angular - Design and implement scalable, high-performance systems with cloud-native technologies (Azure or AWS) - Build and maintain relational databases, with a focus on MS SQL, ensuring optimal performance and data integrity - Lead development efforts using Agile methodologies with a strong focus on Lean software development principles - Apply SOLID principles and design patterns to write maintainable, high-quality code - Develop unit tests and integration tests to ensure the stability and reliability of your code - Collaborate in a multicultural, diverse team environment where everyone’s ideas are valued - Contribute to a culture of continuous improvement, helping your peers level up through mentoring and knowledge sharing Qualifications - 8+ years of professional software development experience - Strong OOP understanding - Experience in .NET/C# - ReactJS or Angular or VueJS experience - Experience with cloud native technologies within Azure or AWS - Relational database design experience (MS SQL preferred) - Background experience with SOLID principles and design patterns - Fluent in English, spoken and written - Experience on setting up CI/CD pipeline (GitHub Actions, Azure DevOps, TeamCity, Octopus is preferred) - Experience using AI coding assistants (Claude Code, Codex, GitHub Copilot, etc.) to accelerate development - Experience deploying AI features to production Requirements - Proven experience integrating with Azure OpenAI or the OpenAI API - Hands-on experience with at least one vector database (Azure AI Search, Pinecone, Qdrant, or PGVector) - Understanding of RAG (Retrieval-Augmented Generation) patterns - Familiarity with AI frameworks such as Semantic Kernel or similar Benefits - Career plan and growth opportunities - Excellent company culture and working environment - Flexible work time - Collaborate in a multicultural environment - Payroll and Law benefits - Saving Fund - Food Vouchers - Major medical insurance with dental and visual coverage (Familiar) - Life Insurance - Personal Accident Insurance (Familiar) - 10 EXTRA vacation days during the year Zero (increasing according to the law) - Additional days: sick days, Improve Yourself Time, etc. - Improve Yourself Budget (training, courses, certifications, etc.) - Referral bonus and more

• Develop and maintain scalable backend solutions using C# and .NET. • Create and optimize RESTful APIs for integration with other systems. • Actively participate in all phases of the software development lifecycle, including analysis, development, testing, and deployment. • Collaborate with Frontend, QA, and DevOps teams to ensure continuous integration and continuous delivery (CI/CD). • Implement performance and scalability improvements in existing systems. • Ensure code quality through code reviews and programming best practices. • Implement security requirements and ensure compliance with security best practices. • Write and maintain detailed technical documentation for developed solutions and processes. • Contribute to the analysis and resolution of technical issues, proposing effective solutions. • Participate in agile planning meetings (Scrum), contributing ideas for software development improvements.

• Product Development Create and evolve digital products for startups and global brands, often across multiple projects at once. • Build web and mobile apps using TypeScript, React, Next.js, React Native, and Node.js. • Design and implement APIs and serverless infrastructure. • Build scalable interfaces connected to headless CMS and prototype AI features (LLMs, agents, RAG) when the project calls for it. • Craft & Quality Implement UIs from scratch with real attention to detail across screen sizes. • Review, refactor, and test AI-generated code before it ships - that's on you, not the AI. • Write and maintain tests where they genuinely add value. • Document technical decisions proactively. • Participate in code reviews as both reviewer and author. • Collaboration & Ownership Turn ambiguous client briefs into actionable specs that you and your tools can execute. • Work closely with PMs, designers, and other devs on tight timelines. • Support less experienced developers, particularly around using AI with judgment. • Push back in the design process when you have a better technical idea.