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.Net Back End Developer

Company:
Experis/Manpower Group
Location:
Seattle, WA, 98127
Posted:
March 05, 2026
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Description:

Our client, a leading organization in the technology sector, is seeking a .Net Back End Developer to join their team. As a .Net Back End Developer, you will be part of the Software Development Department supporting cross-functional teams. The ideal candidate will demonstrate adaptability, collaboration, and a proactive mindset which will align successfully in the organization.

Job Title: .Net Back End Developer

Location:Seattle, Washington

Pay Range: up to$60

What's the Job?

Design, develop, and maintain backend services and APIs using C# and .NET (primarily .NET Core/.NET 6+), supporting high-scale applications in a distributed environment.

Enhance and support existing .NET standalone applications and web services, including troubleshooting, performance optimization, and incremental refactoring.

Participate in migration initiatives by converting select .NET components and services to Go (Golang), ensuring seamless functionality, performance, and maintainability during transitions.

Collaborate with cross-functional teams (frontend, DevOps, platform engineering) to implement features, integrate with MongoDB for data persistence, and ensure robust service interactions.

Build and consume RESTful APIs and microservices, applying domain-driven design principles where applicable. What's Needed?

8+ years of professional experience developing backend applications with C# and .NET (Core preferred), including web services and standalone applications.

Proven hands-on experience with at least one project implementing services or applications in Go (Golang); ability to read, write, and maintain Go code for migration or greenfield work.

Strong proficiency with Azure DevOps for Git repositories, work items, and basic pipeline interaction.

Experience working with MongoDB (querying, schema design, indexing, aggregation pipelines; administration not required).

Familiarity with containerization and Kubernetes deployments (understanding of manifests, deployments, services, and basic kubectl troubleshooting). What's in it for me?

Opportunity to work on innovative migration projects and modernize legacy systems.

Engagement with cutting-edge cloud-native technologies and practices.

Collaborative environment supporting professional growth and development.

Involvement in high-impact projects within a dynamic organization.

Support for work-life balance and a focus on inclusive work culture. Upon completion of waiting period consultants are eligible for:

Medical and Prescription Drug Plans

Dental Plan

Vision Plan

Health Savings Account

Health Flexible Spending Account

Dependent Care Flexible Spending Account

Supplemental Life Insurance

Short Term and Long Term Disability Insurance

Business Travel Insurance

401(k), Plus Match

Weekly Pay

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands - Manpower, Experis, Talent Solutions, and Jefferson Wells - creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

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