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Remote in Argentina, & 4 others
.NET& 6 others
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We are looking for a Chief Software Engineer (.NET / AWS) to guide the design and modernization of large-scale, mission-critical applications. You will lead a transition to cloud-native AWS architectures with event-driven designs, employing C# (.NET 8/9) and React, while overseeing migration efforts from .NET Framework 4.8 on ASP.NET/IIS. This role requires setting architectural direction, delivering secure RESTful APIs, codifying infrastructure with IaC, and mentoring engineers.
Responsibilities
- Drive the technical design and architecture for cloud-native applications, while leading the modernization of legacy ASP.NET/IIS systems to serverless AWS architectures
- Build robust backend services with C# 12/13 and .NET 8/9, while maintaining support for legacy .NET Framework 4.8 systems
- Create responsive React-based user interfaces
- Architect scalable AWS solutions using Lambda, API Gateway, EventBridge, SQS/SNS, DynamoDB, and S3
- Design and document secure RESTful APIs adhering to OpenAPI or SwaggerHub standards
- Model and optimize data structures for both relational (Oracle, MS SQL Server) and NoSQL (DynamoDB) databases
- Write optimized and complex T-SQL and PSQL queries
- Implement strong security controls for API access and identity management with OAuth, AWS Cognito, and strict AWS IAM policy configurations
- Automate provisioning of cloud infrastructure using AWS CDK, CloudFormation, or SAM
- Establish and maintain high-quality CI/CD pipelines with Git-based workflows
- Ensure system reliability and performance through effective monitoring, logging, and alerting using tools such as Datadog and AWS CloudWatch
- Mentor junior engineers and shape the team’s architectural strategy
Requirements
- 7+ years of professional software engineering experience, with a proven track record in a Senior, Lead, or Principal role
- At least 2 years of relevant leadership experience
- Expertise in C# 12/13 and .NET 8/9, alongside maintaining and migrating .NET Framework 4.8, ASP.NET, and IIS systems
- Hands-on skills in building modern web applications using React
- Extensive knowledge of AWS serverless and core services, including Lambda, API Gateway, EventBridge, SQS/SNS, DynamoDB, S3, and IAM
- Strong proficiency in RESTful API design and documentation with OpenAPI or SwaggerHub
- Demonstrated background in relational databases such as Oracle and Microsoft SQL Server, including advanced SQL scripting (T-SQL and PSQL), with familiarity with NoSQL (DynamoDB)
- Competency in CI/CD pipeline creation, Git workflows, and Infrastructure as Code tools like AWS CDK, CloudFormation, or SAM
- Advanced understanding of secure API design, authentication methods, and AWS Cognito
- Familiarity with configuring and utilizing Datadog and CloudWatch for effective monitoring and troubleshooting
- English language proficiency at an Advanced level (C1) with exceptional communication abilities in both written and verbal mediums
Nice to have
- Knowledge of additional programming languages such as Node.js, Python, JavaScript/TypeScript, or Java