Senior .NET Integrations Developer — ETRM & Enterprise Apps

NTT DATA Europe & Latam; Houston (TX); On-site; USD 100,000 - 140,000; Full time

Job summary

NTT DATA invites an experienced .NET Developer specializing in enterprise integrations to join a large-scale Energy Trading & Risk Management transformation. You will design, develop, and maintain critical integrations between the ETRM platform and upstream/downstream enterprise applications, leveraging C#, .NET Core, and robust API approaches.

The ideal candidate will bring deep expertise in REST APIs, SOAP services, and enterprise integration patterns, with strong SQL Server skills and

Qualifications

• 5+ years of software development experience.
• Strong proficiency in C#, .NET, and .NET Core.
• Experience developing and supporting REST APIs and SOAP services.
• Strong background in enterprise application integration and integration patterns.
• Experience with messaging and event-driven architectures.
• Hands-on experience developing batch and file-based interfaces.
• Strong SQL Server and database development skills, including: SQL programming, Stored procedures, Data modeling, Query tuning and performance optimization.
• Strong understanding of software engineering best practices, including: Source control, Automated testing, Logging and monitoring, Security standards, Technical documentation.
• Experience working within Agile delivery teams.

Responsibilities

• Design, develop, and support integrations between the ETRM platform and enterprise applications.
• Build and maintain REST APIs, web services, batch processes, and event-driven integrations.
• Develop interfaces supporting trading, market data, risk management, settlements, accounting, and reporting functions.
• Create data mappings, transformation logic, validation routines, and reconciliation processes.
• Implement robust error handling, logging, monitoring, and data quality controls.
• Participate in system integration testing (SIT) and user acceptance testing (UAT).
• Troubleshoot integration defects, perform root cause analysis, and resolve production issues.
• Optimize integration performance, scalability, reliability, and maintainability.
• Collaborate with business analysts, architects, infrastructure teams, developers, and external vendors throughout implementation and deployment activities.
• Translate functional and interface specifications into technical solutions and integration designs.
• Support deployment, cutover, and post-production stabilization activities.

Skills

C#

.NET

.NET Core

REST APIs

SOAP services

Enterprise integration

SQL Server

Batch processing

Agile

Unit testing

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Source control

Automated Testing

Batch processing

Job description

NTT DATA invites an experienced .NET Developer specializing in enterprise integrations to join a large-scale Energy Trading & Risk Management transformation. You will design, develop, and maintain critical integrations between the ETRM platform and upstream/downstream enterprise applications, leveraging C#, .NET Core, and robust API approaches.

The ideal candidate will bring deep expertise in REST APIs, SOAP services, and enterprise integration patterns, with strong SQL Server skills and