Senior Full-Stack Engineer, React/Java Microservices

Geico; Bethesda (MD); On-site; USD 105,000 - 215,000; Full time

Job summary

GEICO in Bethesda, MD seeks a Senior Full Stack Software Engineer to design and deliver modern digital claims experiences across web, mobile, and backend services. This on-site role requires expertise in React, TypeScript, Java, GraphQL, and Flutter, with a track record of architectural leadership and scalable, secure software.

You will guide cross-functional teams, define contracts, and mentor engineers while contributing to enterprise-grade solutions for customers and associates.

Qualifications

• Significant professional experience designing and delivering full-stack applications in enterprise production environments.
• Strong Java and Spring Boot, API development, and downstream system integration.
• Experience designing and consuming GraphQL and REST APIs.
• Experience with micro-frontend architecture and module federation.

Responsibilities

• Design and deliver full-stack capabilities across React applications, Java services, GraphQL APIs, and Flutter applications.
• Lead technical design for features spanning micro-frontends, Backend-for-Frontend services, downstream integrations, and mobile experiences.
• Develop React and TypeScript applications using Webpack Module Federation, React Router, Redux Toolkit, and shared component libraries.
• Design and maintain Java 21 and Spring Boot services that aggregate downstream APIs into stable, user-focused contracts.
• Develop GraphQL schemas, resolvers, batch mappings, and Apollo Client integrations.
• Contribute to Flutter and Dart feature packages using Riverpod, repository-based data access, shared design systems, and reusable components.
• Apply established patterns—including facade, builder, mapper, repository, strategy, visitor, observer, factory, adapter, and rule engine—to create modular and testable solutions.
• Define clear ownership of business logic across presentation, orchestration, application, and domain layers.
• Establish resilient integration patterns for REST and GraphQL services, including error handling, caching, retries, authorization, and contract compatibility.
• Use feature flags, telemetry, and progressive delivery practices to release changes safely.
• Mentor engineers through technical guidance, design reviews, pair programming, and constructive code reviews.
• Collaborate with product, design, architecture, security, and engineering partners to turn business needs into effective technical solutions.
• Improve engineering practices, reusable patterns, documentation, and development workflows across teams.

Skills

TypeScript

React

Java

Spring Boot

GraphQL

REST APIs

Flutter

Riverpod

Redux Toolkit

Testing (Jest/React Testing Library)

Education

Bachelor's degree in Computer Science or related

Tools

Webpack Module Federation

Apollo Client

Docker

Kubernetes

Helm

Azure (AKS, Key Vault, Redis, Cosmos DB, App Insights)

OpenTelemetry

Job description

GEICO in Bethesda, MD seeks a Senior Full Stack Software Engineer to design and deliver modern digital claims experiences across web, mobile, and backend services. This on-site role requires expertise in React, TypeScript, Java, GraphQL, and Flutter, with a track record of architectural leadership and scalable, secure software.

You will guide cross-functional teams, define contracts, and mentor engineers while contributing to enterprise-grade solutions for customers and associates.