.NET Senior Full Stack Developer

NTT 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 .NET Senior Full Stack Developer to join our team in Bangalore, Karntaka (IN-KA), India (IN).

Position Overview

• Provide

  application maintenance

  ,

  technical support

  , and

  enhancements

  for a portfolio of internal and customer-facing web applications. Work closely with operations, security, and product teams to support feature updates, interface migrations, disaster recovery exercises, security remediations, and CI/CD improvements.

Primary Responsibilities

• Maintain

  and support multiple web applications and backend services (enrollment, account management, rate-quoting, customer events repository, contact-center backup).
• Provide

  tier 2/3 technical support

  for application issues, perform incident troubleshooting and root cause analysis.
• Deliver

  development tasks

  and backlog items (bug fixes, enhancements, integration work).
• Participate in

  DevOps/CI-CD

  activities to improve release pipelines, automation, and test coverage.
• Execute

  security vulnerability remediation

  and respond to automated scan findings.
• Support

  disaster recovery (DR) planning and exercises

  , including failover and temporary operations in alternate datacenters/cloud regions.
• Coordinate with infrastructure teams on

  patching, OS/DB upgrades, and certificate management

  .

Regular / Recurring Tasks (examples)

• Migrate legacy interfaces to modern APIs (e.g.,

  SOAP REST

  , or legacy web services modern service endpoints).
• Perform

  yearly password rotations

  across databases, Linux jobs, cloud services, and API credentials.
• Participate in scheduled

  DR exercises

• Requesting and installing

  SSL/TLS certificates

  on application servers as required.
• Implement periodic business configuration updates (e.g., country activations, pricing/declared value updates, dimension/weight rules).
• Run and remediate results from

  periodic web vulnerability scans

  (quarterly).
• Monitor and maintain scheduled jobs, Windows services, and background workers that support application integrations and email alerts.

Project-Based Tasks

• Migrate authentication and identity systems (e.g., internal login systems

  Azure AD / modern identity providers

  ).
• Migrate access management from legacy provisioning tools to modern identity governance solutions.
• Plan and execute

  SQL Server

  upgrades, and migrate workloads off end-of-service OS or application servers.
• Maintain and update

  ETL/SSIS packages

  , and support Windows services or background processes written in C#.
• Verify and test changes in interfacing applications provide impact analysis and estimates for production changes (PID/impact evaluation).
• Participate in

  capacity/peak planning

  with support and operations teams.
• Prepare infrastructure change requests and coordinate upgrades.

Enhancement & DevOps Responsibilities

• Implement small feature changes or new flows for account creation, UUID generation, fraud-validation integration, contact preference handling, and similar features.
• Convert and migrate source control and CI pipelines (e.g.,

  VS source control Git / Azure DevOps

  ).
• Implement or improve

  automated quality and security testing

  (unit tests, integration tests, security scans).
• Support

  tiered application support

  , resolve issues escalated from first-line teams.
• Deliver small project items and reduce technical debt in backlog.

Required Technical Skills

• Strong development experience with

  C#

  and

  .NET Core

  (or later).
• Proficient in front-end technologies:

  HTML

  ,

  CSS

  ,

  JavaScript

  ,

  TypeScript

  , and

  Angular (modern versions)

  .
• Experience with

  web services

  :

  SOAP

  and

  REST

  APIs.
• SQL experience:

  Microsoft SQL Server

  and familiarity with

  SSIS

  packages.
• Experience with background services and Windows Server hosted apps.
• Familiar with CI/CD tooling:

  Azure DevOps (ADO) pipelines

  , Git-based source control.
• Familiarity with static analysis and security tooling:

  SonarQube

  , web vulnerability scanners (e.g.,

  Netsparker / Invicti

  ).
• Knowledge of logging and artifact management (e.g.,

  JFrog

  or equivalent).
• Ability to work with cloud platforms and cloud-native patterns (either GCP or Azure experience preferred).
• Strong troubleshooting skills: log analysis, tracing, and root cause determination.
• Understanding of authentication/token mechanisms (e.g.,

  JWT

  , OAuth/OIDC, Azure AD).
• Experience with

  Google Cloud Platform (App Engine, Cloud Functions, Firestore, Cloud Build, Cloud Armor)

Experience & Qualifications

• 7+ years supporting enterprise web applications or equivalent combination of education/experience.
• Demonstrated experience in both

  support/operational

  roles and

  development roles

  .
• Prior experience with security remediation, and cross-team coordination preferred.
• Bachelor's degree in Computer Science, Information Systems, or equivalent preferred but not required.

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at

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 and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .

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