.NET API Developer

Job Title:.NET API Developer

Location: Boca Raton, FL 33432

Duration: 12 Months + Extension

Bill Rate: $80/hour

Job Type: W-2 Contract

Client: To Be Discussed Later

Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD

Role Summary

We are looking for a motivated .NET API Developer / Full Stack Developer with strong academic foundation and hands-on project experience in building secure, scalable REST APIs and cloud-ready applications using C#, .NET, ASP.NET Core, EF Core, PostgreSQL, AWS, Docker, React.js, TypeScript, and CI/CD pipelines. The candidate should be comfortable working across backend APIs, database design, frontend integration, automated testing, cloud deployment, and Agile delivery practices.

Job Details:

• Design, develop, test, and maintain backend services and RESTful APIs using C#, .NET, ASP.NET Core, JWT authentication, validation, and secure coding practices
• Develop API features involving authentication, authorization, refresh tokens, API keys, rate limiting, request validation, and role/scoped access control.
• Work with EF Core, PostgreSQL, MongoDB, schema design, indexing, migrations, and query optimization to support reliable and scalable application data layers.
• Build cloud-ready applications using AWS services such as EC2, S3, RDS, ECS Fargate, CloudFormation/CDK, Secrets Manager, and IAM best practices.
• Containerize applications using Docker and support local development, deployment automation, and environment setup using Docker Compose and Bash scripting.
• Create and maintain CI/CD pipelines using GitHub Actions or equivalent tools to automate build, test, integration, and deployment activities.
• Develop responsive frontend components using React.js, Next.js, TypeScript, JavaScript, HTML, CSS, Tailwind CSS, Vite, and state management libraries.
• Write unit and integration tests using xUnit, Jest, Vitest, or equivalent frameworks to improve reliability, maintainability, and release confidence.
• Collaborate with cross-functional teams in Agile/Scrum ceremonies, participate in code reviews, resolve defects, and contribute to technical documentation.
• Support data-driven application needs including Python-based data processing, API integrations, automated data pipelines, and structured data transformation.

Required Skills

• Hands-on knowledge of C#, .NET, ASP.NET Core, REST API development, JWT, API security, Fluent Validation, Zod, BCrypt, and backend development fundamentals.
• Good understanding of object-oriented programming, software engineering principles, API design, data structures, algorithms, and clean code practices.
• Experience with EF Core, PostgreSQL, MongoDB, database schema design, indexing, migrations, and application data modeling.
• Exposure to AWS cloud services, infrastructure as code, Docker, Git, GitHub, GitHub Actions, Bash scripting, and CI/CD practices.
• Frontend development experience using React.js, Next.js, TypeScript, JavaScript, HTML/CSS, Tailwind CSS, Recoil, Vite, and responsive UI development.
• Ability to work in Agile teams with strong problem-solving skills, code review participation, testing mindset, communication, and continuous learning attitude.

Preferred Qualifications

• Internship or project experience in full-stack development, API engineering, data pipelines, cloud deployment, or production-like application delivery.
• Exposure to multi-tenant API design, background services, usage analytics, rate limiting, secure token handling, and cloud cost optimization.
• AWS Certified Developer Associate, AWS Certified Cloud Practitioner, or equivalent cloud/application development certification will be an added advantage
  Equal Opportunity Employer:
  We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law