Backend Engineer – .NET / SQL Server / AI Integration (Tirupati)

Backend Engineer – .NET / SQL Server / AI Integration (Tirupati)

21 Aug
|
FriskaAi
|
Tirupati

21 Aug

FriskaAi

Tirupati

Location: Remote / Hybrid / On-site (Tirupati, APEITA IT Park)

Employment Type: Full time

Experience: 3–5 Years

About Us

FriskaAi is a US-based AI-driven health technology company focused on delivering personalized healthcare solutions. We analyze individual health data to provide tailored plans covering nutrition, fitness, and management of chronic conditions like diabetes, PCOS, and thyroid disorders. We are part of the HFWL ecosystem – a portfolio of cutting-edge AI platforms including NourIQ Ai (Clinical-Grade Nutrition Intelligence Engine), KlinIQ Ai, and NeuralClinic Ai.

As part of this diverse portfolio, your work may span across any of these platforms, offering you exposure to a wide range of AI-driven healthcare challenges beyond just FriskaAi.

This is a unique opportunity to be part of our first on-site office in India, located at the emerging IT hub in Tirupati, Andhra Pradesh (APEITA IT Park). While the initial 3–4 months will be remote, we are excited to build a collaborative hybrid environment in Tirupati.

The Role

We are looking for a skilled Backend Engineer with strong experience in .NET, C#, SQL Server, and API development to build scalable backend systems for our AI-powered healthcare platforms. You will work on complex SQL queries, stored procedures, healthcare/EHR integrations, and modern AI applications. Experience with React.js is expected to enable effective collaboration with frontend engineers and end-to-end troubleshooting.

Key Responsibilities

- Backend Development: Design, develop, and optimize backend applications using C# and .NET / .NET 8. Build scalable REST APIs, implement business logic using clean architecture and design patterns, and develop reusable services, repositories, and middleware. Work with ASP.NET Core Web API, Entity Framework Core, and Dapper. Implement authentication and authorization using JWT, OAuth 2.0, and role-based access control.
- Database Development: Strong hands-on experience with Microsoft SQL Server. Design and optimize database queries, views, functions, and complex Stored Procedures (CTEs, temporary tables, TVPs, transactions, window functions, dynamic SQL, JSON/XML processing). Analyze and resolve SQL performance issues including deadlocks, blocking, and indexing problems. Perform database migrations and schema changes safely across environments.
- API Development & Integration: Develop and integrate REST APIs with internal and external systems. Experience with JSON/XML, OAuth 2.0, JWT, webhooks, third-party APIs, payment APIs, cloud APIs, and healthcare APIs. Capable of understanding third-party API documentation, creating integration services, handling authentication/token management,



and troubleshooting integration failures.
- Healthcare / EHR Integrations (Preferred): Experience with EHR/EMR systems, patient records, demographics, encounters, appointments, clinical notes, vitals, medications, and diagnoses. Knowledge of healthcare standards such as HL7, FHIR, SMART on FHIR, and OAuth 2.0 healthcare authentication is a strong advantage. Experience with platforms like Athenahealth, Epic, Cerner/Oracle Health, or similar is highly desirable.
- AI Integration: Experience integrating AI capabilities (OpenAI or other LLM APIs) into backend applications. Responsibilities include building AI-powered backend services, implementing prompt-based workflows, working with structured AI/JSON responses, and implementing AI-assisted clinical/document processing, summarization, and classification workflows. Experience with embeddings, vector databases, and RAG (Retrieval-Augmented Generation) is a plus.
- React / Frontend Knowledge: Working knowledge of React.js fundamentals, TypeScript/JavaScript, components, hooks, state management, API integration (Axios/fetch), authentication flow, browser developer tools, network debugging, and CORS. Ability to understand how the React frontend communicates with the .NET backend and troubleshoot across the complete request/response flow.
- Cloud & DevOps: Experience with Microsoft Azure (App Services, Blob Storage, Azure SQL, Key Vault, Functions, Application Insights), Docker, CI/CD pipelines, Git/GitHub/Azure DevOps, and IIS. AWS experience is an advantage.
- Security: Implement secure backend applications following industry best practices. Knowledge of authentication & authorization, JWT, OAuth 2.0, role-based access control, API security, encryption, secrets management, CORS, HTTPS, input validation, SQL injection prevention, and OWASP principles. Knowledge of HIPAA/HITECH requirements is a strong advantage for healthcare projects.

Required Technical Skills

- Backend - C#, .NET / .NET 6/7/8+, ASP.NET Core Web API, Entity Framework Core, Dapper, LINQ, Dependency Injection, Async/Await, REST API development, Microservices concepts
- Database - Microsoft SQL Server, T-SQL, Stored Procedures, Functions, Views, CTEs, TVPs, Query optimization, Indexing, Transactions, Performance tuning
- API & Integration - REST, JSON, XML,



OAuth 2.0, JWT, OpenID Connect, Webhooks, Third-party API integrations, Postman
- AI - OpenAI / LLM APIs, Prompt engineering, AI API integration, Structured JSON responses, Embeddings, RAG concepts, Vector databases (preferred)
- Frontend - React.js, JavaScript / TypeScript, API integration, Axios, Basic HTML/CSS, Browser DevTools
- Healthcare - EHR/EMR concepts, FHIR, HL7, SMART on FHIR, OAuth healthcare integrations, Patient/Encounter/Vitals/Medication data, Clinical workflow understanding

Qualifications

- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field
- 3+ years of professional backend development experience (max 5 years)
- Strong experience building production-grade .NET APIs
- Strong SQL Server and Stored Procedure experience
- Experience integrating multiple third-party APIs
- Experience with healthcare or medical applications (preferred)
- Experience with AI/LLM integrations (preferred)
- Experience working with cloud platforms
- Good understanding of software architecture and design patterns
- Strong debugging and problem-solving skills

Soft Skills

- Strong analytical and problem-solving ability
- Valuable communication skills
- Ability to understand existing codebases quickly and work independently
- Strong debugging and troubleshooting skills
- Ability to work with product, frontend, QA, and integration teams
- Good understanding of production support and incident resolution
- Willingness to learn healthcare and AI technologies

Ideal Candidate The ideal candidate is a backend-focused .NET engineer who can work across the complete technology stack—from React UI → REST API → .NET Business Logic → Dapper/EF Core → SQL Server/Stored Procedures → External API/EHR → AI Services. They should be comfortable investigating an issue from the frontend request all the way through the API, database, third-party integration, and external services. Healthcare/EHR integration experience and AI integration experience will be considered a major advantage.

Why Join FriskaAi / HFWL?

- Impactful Work: Build AI-powered healthcare solutions that improve lives globally across multiple clinical domains
- Innovative Culture: Work at the intersection of AI and healthcare on cutting-edge platforms
- Growth Opportunities: Learn from AI/health-tech experts and scale your skills across a diverse portfolio of ventures (NourIQ, KlinIQ, NeuralClinic)
- Global Presence: Be part of a US-based company with a brand-new, collaborative office in Tirupati

How to Apply

Easy apply via LinkedIn or send your CV to [email protected].

📌 Backend Engineer – .NET / SQL Server / AI Integration (Tirupati)
🏢 FriskaAi
📍 Tirupati

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