GraphQL Java Full Stack Developer

Specialist - Software Engineering

Job Description

GraphQL Java Full Stack Developer Angular

Role Summary

We are seeking a GraphQL Java Full Stack Developer with strong Angular expertise to work on the OneMain account financial services domain The role involves building scalable GraphQL APIs robust Java microservices and Angularbased user interfaces for customerfacing and internal applications

Skills

Primary Skills Mandatory

Backend API

Strong handson experience with Java 11 or higher

oOOP collections concurrency exception handling

Spring Boot Spring Framework

oSpring MVC Spring Data JPA dependency injection

GraphQL Java

oSchema design queries mutations input types

oResolver implementation

oPagination filtering error handling

oPerformance optimization N1 problem awareness batching concepts

Experience building and consuming RESTful APIs

Strong SQL skills and experience with relational databases Oracle MySQL PostgreSQL DB2

Frontend Angular Mandatory

Strong experience with Angular v10

oComponents services modules routing

oReactive forms RxJS Observables

Proficient in TypeScript HTML5 CSS3

Experience integrating Angular applications with GraphQL APIs Apollo Client or similar

Good understanding of frontend performance state management and reusable UI components

Engineering Process

Unit testing with JUnit backend and JasmineKarma Angular

Build tools Maven Gradle

Version control using Git

Experience working in Agile Scrum teams

Strong communication analytical thinking and collaboration skills

Key Responsibilities

Design develop and maintain GraphQL APIs using Java ensuring high performance security and scalability

Build Java Spring Boot microservices supporting GraphQL and REST integrations

Develop responsive modular Angular applications and integrate them with GraphQL backends

Collaborate with UX backend QA and DevOps teams in an Agile environment

Implement authentication and authorization OAuth2 JWT across frontend and backend

Write unit integration and API tests participate in code reviews and CICD pipelines

Troubleshoot production issues and optimize application performance

Ensure adherence to coding standards security practices and enterprise architecture guidelines