Senior DotNET & AWS Developer

InfoZen Inc; Fort Mill (SC); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Free uniforms

Health insurance

Paid time off

Job summary

InfoZen Inc in Fort Mill, SC seeks an experienced Senior/Lead .NET Developer with 10+ years of software development, strong .NET/C#, AWS, and SQL/RDBMS expertise. The role focuses on design, development, and deployment of enterprise applications, with ownership from design through production support.

The candidate will collaborate with stakeholders and lead technical deliverables, contributing to architecture reviews and performance optimization.

Qualifications

• Minimum 10 years of software development experience.
• Strong hands-on C# and .NET/.NET Core expertise.
• Experience with AWS cloud services and REST APIs.
• Proficient in SQL Server, PostgreSQL, or Oracle.
• Experience with microservices and distributed architectures.
• Knowledge of authentication, authorization, and security.
• Proficiency in Git and CI/CD pipelines.

Responsibilities

• Design, develop, test, and maintain enterprise apps using C#, .NET Core, ASP.NET Core, and Web APIs.
• Build RESTful APIs, microservices, and backend services.
• Develop and deploy cloud-based apps on AWS.
• Work with AWS services (EC2, ECS/EKS, S3, RDS, Lambda, API Gateway, CloudWatch, IAM, SQS/SNS).
• Design and optimize SQL queries and database objects across SQL Server, PostgreSQL, or Oracle.
• Participate in architecture reviews, code reviews, and performance optimization.
• Support CI/CD processes and automated deployments.
• Mentor junior developers and collaborate with cross-functional teams.

Skills

C#

NET Core

ASP.NET Core

REST APIs

AWS

SQL/RDBMS

Relational DBs

OOP/SOLID

Microservices

CI/CD

Git

Debugging

Communication

Tools

Docker

Kubernetes/EKS

Kafka

Terraform

CloudFormation

Job description

Benefits:

• Free uniforms
• Health insurance
• Paid time off

Tittle:

Senior/Lead .NET / AWS Developer

Location:

Fort Mill, SC

Client:

Cognizant

Contract:

W2 Long Term contract

Onsite 5 day per week

Job Summary

We are looking for an experienced Senior .NET Developer with a minimum of 10 years of software development experience, strong expertise in .NET/C#, AWS cloud services, and SQL/RDBMS. The candidate should have strong hands-on development and problem-solving skills, with experience designing and developing scalable, reliable, and secure enterprise applications.

The ideal candidate will possess good communication skills, work effectively with business and technical stakeholders, and be capable of independently owning technical deliverables from design through implementation and production support.

Key Responsibilities

• Design, develop, test, and maintain enterprise applications using C#, .NET/.NET Core, ASP.NET Core, and Web APIs.
• Design and implement RESTful APIs, microservices, and backend services.
• Develop and deploy cloud-based applications using AWS.
• Work with AWS services such as EC2, ECS/EKS, Lambda, S3, RDS, API Gateway, CloudWatch, IAM, SQS/SNS, as applicable.
• Design and optimize database solutions using SQL and relational databases such as SQL Server, PostgreSQL, or Oracle.
• Write and optimize complex SQL queries, stored procedures, functions, and database objects.
• Participate in application architecture, technical design, code reviews, and solution discussions.
• Identify application performance bottlenecks and implement performance improvements.
• Develop unit and integration tests and ensure adherence to development and coding standards.
• Troubleshoot development, testing, and production issues.
• Work with CI/CD processes and tools to automate application build and deployment.
• Collaborate with product owners, architects, business analysts, QA teams, DevOps teams, and other engineering teams.
• Provide technical guidance and mentorship to junior developers.
• Participate in Agile/Scrum activities, including estimation, sprint planning, design discussions, and retrospectives.

Required Skill Set

Must Have

• 8+ years of software/application development experience.
• Strong hands-on experience with C# and .NET/.NET Core.
• Strong experience developing ASP.NET Core Web APIs and REST services.
• Experience with AWS cloud application development and deployment.
• Strong understanding of SQL and RDBMS concepts.
• Experience with SQL Server, PostgreSQL, Oracle, or similar relational databases.
• Good understanding of Object-Oriented Programming (OOP), SOLID principles, and design patterns.
• Experience with microservices and distributed application architecture.
• Good understanding of authentication, authorization, and application security.
• Experience with Git and CI/CD pipelines.
• Strong debugging, troubleshooting, and performance-analysis skills.
• Good written and verbal communication skills.
• Ability to interact effectively with both technical and business stakeholders.
• Strong analytical and problem-solving capabilities.

Good to Have

• AWS certification or extensive hands-on AWS experience.
• Experience with Docker and Kubernetes/EKS.
• Experience with messaging/event-driven technologies such as Kafka, AWS SQS, or SNS.
• Knowledge of Infrastructure as Code, such as Terraform or AWS CloudFormation.
• Experience with observability and monitoring tools.
• Experience working in an Agile/Scrum environment.
• Exposure to enterprise integration and high-volume transaction-processing applications.

Preferred Candidate Attributes

• Strong ownership and accountability.
• Ability to work independently with minimal supervision.
• Capable of translating business requirements into technical solutions.
• Comfortable working in distributed/onshore-offshore teams.
• Good stakeholder-management and presentation skills.
• Ability to guide developers and drive technical implementation.

Interview focus: .NET/C# fundamentals, API and microservices design, AWS architecture, SQL/query optimization, application performance, troubleshooting, system-design scenarios, and communication/leadership.