Job Title: Senior Application Developer

Location: Seattle WA - Onsite 3 days a week

Duration: 12 Months

Pay Rate: $80.00/hr W2

Job Description:

We are seeking a Senior Application Developer to design, develop, and maintain high-performing applications. The ideal candidate will have extensive experience in C#, ASP.NET, Web API, and .NET Core , along with hands-on expertise in cloud-based development, preferably Azure . This role requires strong problem-solving skills, the ability to work in a fast-paced environment, and a passion for building scalable, high-quality applications.

Key Responsibilities:

• Design, develop, and implement robust application solutions using C#, ASP.NET, Web API, and .NET Core .

• Develop, deploy, and maintain applications on major cloud platforms ( Azure preferred , AWS, or GCP).

• Work with relational and NoSQL databases to ensure efficient data storage and retrieval.

• Take ownership of application features, ensuring timely and high-quality delivery.

• Collaborate with cross-functional teams to define application requirements and system architecture.

• Implement best practices for performance, security, and scalability in application development.

Required Qualifications:

• 7+ years of experience in application development using C#, ASP.NET, and Web API .

• AWS experience with DynamoDB, Lambda, API Gateway, SNS, SQS, EC2 and other AWS Services, Kubernetes. 7+ years

• 2+ years of hands-on experience with .NET Core .

• 2+ years of experience developing cloud-based applications (Azure preferred, AWS, or GCP).

• 5+ years of experience working with relational and NoSQL databases .

• Strong analytical, problem-solving, and organizational skills.

• Excellent communication and interpersonal skills.

• Bachelor’s degree in Computer Science or a related field, or equivalent experience.

Preferred Qualifications:

• 3+ years of experience working with Azure , including Cosmos DB, App Services, Azure Functions, Azure Service Bus, and Event Hub.

• Experience designing and implementing large-scale distributed systems and service-oriented architectures.

• Strong expertise in migrating monolithic applications to cloud-based microservices.

• 2+ years of experience in CI/CD automation , infrastructure management, and monitoring.

• Experience supporting applications in a 24x7 production environment .

• Exposure to Go is a plus.

• Passion for quality, attention to detail, and a proactive approach to innovation.

Key Skills:

• Strong collaboration and teamwork abilities.

• Ability to prioritize tasks effectively in a fast-paced environment.

• Excellent written and verbal communication skills.

• Ability to quickly learn and adapt to new technologies.

• Strong problem-solving and troubleshooting skills.

If you're a results-driven developer passionate about building high-quality applications and driving innovation, we’d love to hear from you!

ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.