Senior .NET Full Stack Developer _ AWS

Must Have Technical/Functional Skills

• 10+ years of hands-on experience in application design, development, integration, testing, deployment, and production support using Microsoft technologies.
• Strong experience with modern .NET, including .NET 10, .NET 9, and .NET 8, along with earlier .NET and .NET Core versions used in legacy applications.
• Strong hands-on experience with .NET Framework 4.x, ASP.NET MVC, ASP.NET Web API, Windows Services, and legacy application maintenance or modernization.
• Advanced proficiency in C#, ASP.NET Core, Web API, Entity Framework Core, LINQ, dependency injection, asynchronous programming, and design patterns.
• Full-stack development experience using Angular or React, TypeScript, JavaScript, HTML5, CSS3, responsive design, and reusable component development.
• Experience designing and implementing RESTful APIs, microservices, event-driven solutions, and secure system integrations.
• Hands-on AWS experience with EC2, ECS or EKS, Lambda, API Gateway, S3, RDS, DynamoDB, SQS, SNS, EventBridge, CloudWatch, Secrets Manager, IAM, and CloudFormation or AWS CDK.
• Experience containerizing applications with Docker and deploying workloads through Kubernetes or AWS-managed container services.
• Strong database skills using SQL Server and PostgreSQL, including schema design, stored procedures, query tuning, indexing, and performance optimization.
• Experience with CI/CD pipelines, Git, automated builds, code quality controls, unit testing, integration testing, and deployment automation.
• Working knowledge of application security, OAuth 2.0, OpenID Connect, JWT, RBAC, encryption, secure coding, vulnerability remediation, and audit logging.
• Experience working in Agile delivery environments and collaborating with architecture, security, infrastructure, QA, operations, and business teams.
• Strong analytical, troubleshooting, written communication, and stakeholder-management skills.

Roles & Responsibilities

• Lead the design and development of scalable, secure, and maintainable .NET full-stack applications.
• Develop and enhance back-end services using C#, ASP.NET Core, Web API, Entity Framework Core, and appropriate integration patterns.
• Develop responsive front-end applications using Angular or React and ensure a consistent user experience across supported browsers and devices.
• Modernize legacy .NET Framework applications by assessing dependencies, defining migration approaches, and incrementally transitioning workloads to supported .NET versions and cloud-native architectures.
• Design and implement AWS solutions using managed compute, storage, database, integration, monitoring, identity, and security services.
• Create technical designs, solution diagrams, API specifications, coding standards, test strategies, deployment plans, and support documentation.
• Build and maintain automated CI/CD pipelines, infrastructure-as-code templates, quality gates, and release processes.
• Perform code reviews, enforce engineering standards, mentor developers, and support technical decision-making.
• Optimize application performance, reliability, observability, scalability, and cloud cost efficiency.
• Investigate production issues, complete root-cause analysis, implement corrective actions, and improve monitoring and alerting.
• Collaborate with product owners, ar chitects, QA, DevOps, cybersecurity, data, operations, and business stakeholders.
• Lead a small to medium development team in an onsite-offshore delivery model and provide transparent status, risk, dependency, and issue reporting.

Generic Managerial Skills, If any

• Experience leading technical delivery for small to medium teams in an onsite-offshore model.
• Ability to estimate work, plan delivery, manage dependencies, and proactively address risks and issues.
• Strong customer-facing communication, presentation, negotiation, and stakeholder-management skills.
• Ability to mentor team members and promote engineering discipline, documentation, and continuous improvement.

TCS Employee Benefits Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

Family Support: Maternal & Parental Leaves.

Insurance Options: Auto & Home Insurance, Identity Theft Protection.

Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.

Time Off: Vacation, Time Off, Sick Leave & Holidays.

Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

Salary Range $115,000 - $125,000 a year