Systems Integration Specialist

Req ID:378278NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking a Systems Integration Specialist to join our team in San Diego, California (US-CA), United States (US).Job Overview:Need a .Net Fullstack Developer with experience in MDM custom application development using AWS Cloud Serverless Architecture - Lambda function, .NET C#, Postgres database, Blazer (UI) and good API background.Key Responsibilities Backend & Serverless Engineering - Develop AWS Lambda functions (Graviton2) using .NET 10 with C# and F# (AOT) - Implement data validation logic in F# with shared libraries for Lambda and Blazor - Auto-generate JSON Schemas from F# models for API Gateway validation - Architect RESTful APIs using AWS API Gateway, Lambda Annotations, serverless patterns - Work with AWS Aurora Serverless v2 (PostgreSQL) Frontend Engineering - Build Blazor WebAssembly (AOT) applications with Fluxor or MudBlazor - Use BFF pattern with Lambda for secure and optimized communication - Integrate AG Grid when needed Security & Authentication - Implement authentication using Amazon Cognito and Azure Entra ID - Configure API Gateway Authorizers for security offloading - Manage secrets with AWS Secrets Manager DevOps & CI/CD - Use Azure DevOps for project management and pipelines - Use GitHub Enterprise for source control and SAST - Test locally using Docker Desktop - Build automated tests with Playwright + Python Cloud Infrastructure & Observability - Configure AWS CloudFront for delivery optimization - Manage static assets via AWS S3 - Implement monitoring with CloudWatch and AWS X-Ray Required Skills & Experience - 7+ years .NET (C#) development - 5+ years of experience in AWS Lambda, API Gateway, S3 - 5+ years of experience in Blazor WASM, MudBlazor - 5+ years of experience with OAuth2/OIDC- 3+ years of experience with Aurora PostgreSQL Soft Skills - Strong problem-solving skills - Excellent communication - Ability to mentor junior engineers About NTT DATANTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.Posting Date:06/29/2026Department:VB/.NET - MFG, CI, FSI & EA - 1401910011