Senior Specialist, IT Application Solutions - Full Stack Developer

Hyderabad, Telangana
Permanent
Full-time

9 days ago

Job Overview 综述:We are seeking a hands-on Full Stack Developer with strong expertise in ASP.NET / .NET (Framework and Core), React, legacy AngularJS, and advanced SQL Server development. This role designs, develops, modernizes, and supports enterprise applications that enable Innovation & Product Management processes and critical T&I initiatives.You will collaborate closely with application owners, subject matter experts, and IT Business Relationship Managers in a fast-paced environment where iteration speed and execution matter. This role requires a builder mindset—someone who thrives on solving tough problems, shipping quickly, and taking ownership across both front-end and back-end systems.The ideal candidate is eager to learn and passionate about hands-on building of scalable, efficient applications.Responsibilities 职责:Full Stack Application Development & Support

Design, develop, enhance, and maintain full stack applications using C#, ASP.NET, .NET Framework/.NET Core, React, AngularJS, JavaScript, SQL Server, and REST APIs.
Build responsive UI components and integrate them with backend services and database layers.
Provide ongoing technical support to internal stakeholders, troubleshooting and resolving application issues with strong ownership and follow-through.
Identify and reduce technical debt, improve code quality, and recommend platform/architecture uplifts.

Database Engineering & Performance Optimization

Design and implement database schemas and data models as needed.
Write and tune complex SQL Server queries, stored procedures, and performance-critical data access patterns.
Diagnose and resolve performance bottlenecks across application and database tiers.
Build data-intensive solutions that interact with Snowflake and SQL Server as data sources

Application Migration & ModernizationSupport the migration and modernization of one or more existing Python/Django applications hosted on Linux in Azure to a .NET Core target-state hosted on Azure App Services and Azure Web/API services.

Analyze existing Python/Django application architectures, including routing, controllers, business logic, and data access patterns.
Design and implement a target-state ASP.NET Core architecture in collaboration with Celanese IT resources.
Rewrite and refactor Python-based logic into native C# services, ensuring functional parity, performance, and long-term maintainability.

Support the migration and refactoring of existing DevExpress-based ASP.NET applications to modern UI architectures (React or native ASP.NET Core patterns).

Reduce reliance on proprietary UI components while preserving required functionality.
Improve application performance, usability, and extensibility.
Align legacy applications with modern development standards to ensure long-term supportability and scalability.

DevOps, CI/CD, and Azure Cloud Delivery

Contribute to CI/CD pipelines, DevOps practices, and Azure cloud deployments.
Support Azure best practices for configuration management, logging, monitoring, environment separation
Work within Azure DevOps tooling and support transition to GitHub workflows

Quality, Validation & Documentation

Maintain functional parity during migrations with automated testing and side by-side validation where appropriate
Support phased or incremental cutover strategies to reduce risk and downtime.
Produce technical documentation, including architecture decisions, migration approproaches/mappings, operational runbooks / support guides

Qualifications 要求:Must Have Technical Skills:

.NET / C#: 5+ years hands-on development with C# and ASP.NET (either .NET Framework and/or .NET Core).
Front-End: Strong experience building web UIs with React and JavaScript (HTML/CSS included). Ability to work in/around legacy AngularJS codebases (support/maintenance and basic modernization).
Ability to work in/around legacy AngularJS codebases (support/maintenance and basic modernization).
Strong understanding of .NET Framework and libraries for backend logic.
SQL Server: expertise in SQL Server development including complex queries / joins, stored procedures, performance tuning, reporting services (SSRS)
APIs: Proven experience building and integrating RESTful APIs (design, implementation, consumption).

Azure: Working experience deploying/supporting applications in Microsoft Azure, specifically, Azure App Services and/or Web/API hosting patterns

Azure DevOps, Git, and CI/CD pipelines.
Production Support: Experience supporting enterprise applications in production (troubleshooting, root cause analysis, fixes).
Documentation & Communication: Ability to document solutions clearly and communicate with both technical and non-technical stakeholders.
Experience with Agile/Scrum methodologies.

Qualifications:

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field.
5–7 years professional full stack development experience (front-end + back-end + database).
Microsoft certifications are a plus.

Nice to have previous experience in:

Python/Django → .NET Core migrations (or comparable cross-stack migrations) refactoring monolithic apps into service layers / clean architectures
DevExpress modernization: Refactoring DevExpress-based ASP.NET apps to modern UI stacks (React or ASP.NET Core patterns).
Snowflake integration: Data-intensive application experience using Snowflake as a source (in addition to SQL Server).
Previous collaboration with data scientists and integration with Python-based tools.

Celanese

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