Description :

We are seeking a highly skilled Integration Specialist / Full Stack Developer with strong experience in .NET Core, API integrations, and modern front-end development.

The ideal candidate will build and integrate scalable web and mobile applications, manage end-to-end delivery, and ensure smooth data exchange across platforms.

Key Responsibilities :

- Design, develop, and maintain backend APIs using .NET Core / C#.

- Build and integrate REST and SOAP-based services (JSON, XML, OAuth2, JWT, API Key).

- Implement file-based integrations (Flat file, CSV, Excel, XML, JSON) and manage FTP/SFTP transfers.

- Work with databases such as MSSQL, PostgreSQL, Oracle, and SQLite including writing queries, stored procedures, and using ADO.NET.

- Handle data serialization/deserialization using Newtonsoft.Json or System.Text.Json.

- Implement robust error handling and logging with Serilog, NLog, or log4net.

- Automate and schedule processes using Quartz.NET, Hangfire, or Windows Task Scheduler.

- Develop front-end interfaces with React and React Native ensuring responsive, modular UI.

- Implement offline-first functionality for mobile apps (sync logic, caching, etc.

- Collaborate with cross-functional teams or independently handle full project ownership.

- Utilize AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code) to enhance productivity.

- Ensure scalability, security, and performance in all deliverables.

Key Skills & Technologies :

- Backend : .NET Core, C#, REST/SOAP APIs, WCF, ADO.NET.

- Frontend : React, React Native.

- Databases : MSSQL, PostgreSQL, Oracle, SQLite.

- Tools : Git, Azure DevOps, Hangfire, Quartz.NET, Serilog/NLog.

Qualifications :

- Bachelors degree in Computer Science, Engineering, or a related field.

- Minimum 5 years of hands-on experience in software development and integration.

- Proven expertise in designing and implementing scalable applications.

- Strong analytical and problem-solving skills with a proactive approach.

Nice to Have :

- Experience with cloud services (Azure, AWS, GCP).

- Knowledge of containerization tools like Docker or Kubernetes.

- Familiarity with mobile deployment workflows and app store publishing.