Senior Full Stack Engineer – .NET

GEICO

Senior Full-Stack Engineer developing high-performance solutions and mentoring teams at GEICO. Designing and implementing scalable systems with a focus on innovation and engineering excellence.

Posted 5/1/2026full-timeAtlanta • Texas • 🇺🇸 United StatesSenior💰 $75,000 - $200,000 per yearWebsite

Tech Stack

Tools & technologies

ASP.NETAWSAzureCloudDistributed SystemsDockerGoGoogle Cloud PlatformJavaJavaScriptKubernetesMicroservices.NETNoSQLPythonReactReduxSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Design and Develop Systems: Architect, develop, and maintain scalable, resilient distributed systems.
Define Product Requirements: Collaborate with stakeholders to define product requirements and deliver optimal solutions.
Collaborate Across Teams: Work with cross-functional teams throughout the software development lifecycle to ensure seamless integration and delivery.
Lead and Mentor: Conduct design sessions, code reviews, and mentor junior engineers to elevate engineering quality and share best practices.
Develop Reusable Components: Create reusable application components and patterns to improve efficiency and scalability.
Full-Stack Development: Design, develop, and maintain scalable full-stack applications, including front-end features using ReactJS and its ecosystem (e.g., Redux, Hooks), backend services with .NET or Java frameworks, and efficient data management using SQL and NoSQL databases.
API and Microservices: Develop and integrate RESTful APIs and microservices for seamless communication between systems.
DevOps Practices: Utilize CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes) to streamline development and deployment.
Documentation: Publish and maintain documentation for design references, workflows, and runbooks.
System Support: Provide support for critical systems, including 24x7 on-call support when necessary.

Requirements

What you’ll need

5+ years of professional software development experience in large-scale enterprise environments.
3+ years of experience with ReactJS and its core principles (e.g., Redux, Hooks).
4+ years of experience with backend technologies, including .NET (C#) and Java.
3+ years of experience with cloud platforms such as Azure, AWS, or GCP.
Experience with RESTful services and APIs.
Experience with open-source frameworks and tools.
Hands-on experience in designing and architecting scalable systems.
Strong proficiency in HTML5, CSS3, and JavaScript (ES6+).
Expertise in ReactJS and its ecosystem (e.g., Redux, Hooks).
Experience with backend frameworks such as Java, ASP.NET Core, Spring Boot, or similar.
Proficiency in working with SQL and NoSQL databases.
Familiarity with cloud platforms such as Azure, AWS, or GCP.
Knowledge of responsive and adaptive design principles.
Ability to work with nested data structures like JSON, XML, and YAML.
Familiarity with programming and scripting languages such as Python, Golang, or PowerShell is a plus.
Bachelor's or Master's degree in computer science, Information Systems, or equivalent education/work experience.

Benefits

Comp & perks

Comprehensive Total Rewards program that offers personalized coverage tailor-made for you and your family’s overall well-being.
Financial benefits including market-competitive compensation; a 401K savings plan vested from day one that offers a 6% match; performance and recognition-based incentives; and tuition assistance.
Access to additional benefits like mental healthcare as well as fertility and adoption assistance.
Supports flexibility- We provide workplace flexibility as well as our GEICO Flex program, which offers the ability to work from anywhere in the US for up to four weeks per year.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

full-stack developmentReactJSReduxHooks.NETJavaSQLNoSQLRESTful APIsmicroservicesCI/CD

Soft Skills

collaborationmentoringleadershipcommunicationproblem-solvingdesign thinkingdocumentationteamworkstakeholder engagementquality assurance

Certifications

Bachelor's degree in computer scienceMaster's degree in computer scienceInformation Systems degree