Job Title : Senior .NET Application Developer / Technical Lead Location: Erie, PA – 100% Onsite from Day 1 Duration: 6 Months
Salary Range: $50.00 - $52.00/Hour on W2 (Without Benefits). Applicants must be willing to work on W2
Job Description: Experience: 8–10 Years Primary Skills: .NET, Microservices, AWS, REST APIs, Containers, CI/CD Role Summary:
We are looking for an experienced .NET Application Developer with 10–12 years of experience in enterprise application development and modernization.
The candidate will be responsible for modernizing legacy/monolithic .NET applications into cloud-native microservices and migrating/replatforming applications to AWS.
The ideal candidate should have strong hands-on development experience, application modernization expertise, microservices architecture knowledge, and practical experience with AWS cloud services, containerization, CI/CD, and production-grade application development.
Key Responsibilities
Analyze existing monolithic .NET applications and identify appropriate modernization and service decomposition opportunities.
Design and develop microservices using .NET / ASP.NET Core.
Refactor and migrate legacy .NET applications to modern .NET platforms.
Decompose monolithic application functionality into independently deployable services based on appropriate business/domain boundaries.
Design and develop RESTful APIs and service integrations.
Modernize and migrate/replatform applications to AWS cloud.
Develop containerized applications using Docker and deploy through appropriate AWS container services.
Work with AWS services such as ECS/EKS, EC2, Lambda, API Gateway, S3, RDS, DynamoDB, SQS/SNS, CloudWatch, IAM, and Secrets Manager, as applicable to the solution.
Implement scalable, resilient, secure, and observable microservices.
Support database modernization and data migration strategies associated with application decomposition.
Implement asynchronous and event-driven integration patterns where appropriate.
Build and enhance CI/CD pipelines for automated build, testing, security validation, and deployment.
Collaborate with architects, product owners, business SMEs, DevOps, cloud/platform teams, and application teams.
Participate in technical discovery, code assessment, dependency analysis, architecture discussions, code reviews, testing, and production deployment.
Troubleshoot application performance, integration, deployment, and production issues.
Ensure adherence to enterprise standards for security, logging, monitoring, coding, testing, and cloud architecture.
Mentor junior developers and provide technical guidance to the engineering team.
Required Technical Skills
10–12 years of software development experience with strong hands-on expertise in C# and .NET.
Strong experience with ASP.NET Core, Web API, Entity Framework / EF Core, and modern .NET development.
Proven experience in monolith-to-microservices modernization.
Experience with legacy application assessment, refactoring, replatforming, and modernization.
Hands-on experience developing and deploying applications on AWS.
Strong knowledge of:
Microservices architecture and design patterns
REST APIs
Domain-driven design concepts
Docker and containerization
Kubernetes/EKS or ECS
Messaging and asynchronous processing
SQL and relational databases
NoSQL concepts
Authentication and authorization
Application caching
Logging, monitoring, and observability
Experience with CI/CD tools such as Jenkins, GitHub Actions, AWS CodePipeline, or equivalent.
Experience with infrastructure automation/IaC such as Terraform or AWS CloudFormation is preferred.
Strong understanding of cloud security, IAM, secrets management, networking, and application configuration.
Web Modernization
Essential Skills: .NET Modernization
Desirable Skills: Web Modernization Concepts, Assembler Programming for Modernization
Skills: Digital – Web Modernization Concepts, Assembler Programming for Modernization
Experience Required: 4–6 years
7+ years in Web Modernization Concepts
Soft Skills
Strong analytical and problem-solving skills.
Ability to understand complex legacy applications and translate them into modern architecture.