Full Stack React Engineer

Capgemini; Seattle (WA); On-site; USD 48,000 - 75,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Retirement benefits

Job summary

Capgemini in Seattle, WA seeks an experienced back-end and front-end engineer to develop modern, scalable web applications. You will build REST APIs in C#/.NET and create reusable React components while aligning with Azure cloud services and security best practices.

You will collaborate with Product, QA, and DevOps teams to design robust APIs, implement CI/CD, and ensure performance and reliability across Azure App Service, Functions, API Management, and related services.

Qualifications

• 5+ years hands-on experience building modern, scalable web apps.
• Strong backend with C# and .NET / .NET Core for REST APIs.
• Experience creating reusable React components and UI patterns.
• Azure cloud experience including deploying web apps and APIs.
• Knowledge of API design, auth, error handling, and security best practices.
• Familiarity with microservices, CI/CD, Git, and testing automation.

Responsibilities

• Develop backend REST APIs using C# and .NET.
• Build reusable React components and integrate with APIs.
• Collaborate with Product, QA, and DevOps across Azure deployments.
• Ensure performance, security, and reliability of UI and APIs.

Skills

C#

REST APIs

React

Azure

CI/CD

Security

Tools

Azure App Service

Azure Functions

API Management

Key Vault

Job description

5+ years of hands-on experience developing modern, scalable web applications.

Strong hands-on experience developing backend REST APIs using C# and .NET / .NET Core.

Experience building reusable React components, hooks, state management, routing, and responsive user interfaces.

Strong experience integrating React applications with C# REST APIs and backend services.

Good understanding of API design, authentication/authorization, error handling, performance, and security best practices.

Hands-on experience with Microsoft Azure and deploying/supporting web applications and APIs in Azure.

Experience with Azure App Service, Azure Functions, API Management, Key Vault, or similar Azure services is preferred.

Familiarity with microservices, CI/CD, Git, automated testing, and cloud-native development.

Ability to troubleshoot issues across the React UI, C# API, database, and Azure layers and collaborate effectively with Product, QA, DevOps, and engineering teams.

Mandatory Skills:

The pay range that the employer in good faith reasonably expects to pay for this position is $34.67/hour - $54.18/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.

Tundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.