Application Development - Software Engineer IV

Job Title: Senior .NET Developer

Job Overview

We are seeking a Senior .NET Developer with strong expertise in .NET 8 and microservices architecture, complemented by solid front-end skills using React, TypeScript, and Redux. This is a contract-based remote opportunity for a minimum of 8 months, focused primarily on backend development with occasional front-end tasks.

The ideal candidate will have a proven track record of building and maintaining scalable APIs, working in cloud-based environments (especially AWS), and implementing infrastructure as code using Terraform. Experience in continuous integration and deployment (CI/CD) using GitHub and Harness is also essential.

Preferred Level Of Experience

• 7+ years of experience with .NET API development
• 7+ years of experience with AWS resource configuration
• Additional React development experience

Core Cloud & Infrastructure Skills

• Advanced AWS architecture knowledge and certification (Solutions Architect Professional preferred)
• Terraform expertise for Infrastructure as Code (IaC) implementation and best practices
• CI/CD pipeline design and implementation (Harness Pipeline, GitHub Actions, or similar)
• Container orchestration with AWS ECS/EKS and Docker
• Serverless architecture implementation with AWS Lambda and API Gateway
• Experience with AWS CloudFormation as an alternative to Terraform
• Knowledge of infrastructure security best practices and compliance frameworks

Programming Languages, frameworks, design patterns

• Advanced .NET development (C#/.NET Core)
• Proficient Node.js development for backend services
• Python development for automation, scripting, and data processing
• Understanding of TypeScript for React and enhanced Node.js development
• Understanding of development patterns and best practices, including Backend for Frontend (BFF), container and presentation, service-repository, Command Query Responsibility Segregation (CQRS), for UI, API, and microservice development
• Experience with React state management libraries, including Redux, MobX, React Context API, Recoil, Zustand
• Experience with Vite as a React application build tool
• Familiarity with UI and API testing libraries and frameworks, including xUnit, Jest, Cypress, Cucumber

Database Technologies

• DynamoDB design patterns and performance optimization
• Aurora v2 (PostgreSQL and MySQL) expertise, including performance tuning
• Database migration strategies and tools
• Knowledge of other AWS database services (RDS, Redshift, DocumentDB)

DevOps & SRE Skills

• Infrastructure monitoring and logging (CloudWatch, Datadog, Dynatrace)
• Performance optimization and cost management for cloud resources
• Disaster recovery planning and implementation
• Automated testing frameworks for infrastructure

Architecture & Design

• Microservices architecture design and implementation
• Experience with event-driven architectures using SNS, SQS, EventBridge
• API design and documentation
• Multi-region deployment strategies
• Blue-Green deployment strategies

Security

• AWS IAM and security best practices
• Knowledge of AWS security services (GuardDuty, Security Hub, WAF)
• Encryption at rest and in transit implementation
• Secret management (Hashicorp Vault, AWS Parameter Store)

Additional Qualifications

• Experience with data processing pipelines
• Experience with AWS Step Functions
• Familiarity with GraphQL for API development
• Understanding of ML/AI services in AWS Bedrock
• Ability to mentor junior engineers in cloud development practices

#TB_EN Job #: 25-28583