Java Full stack developer ( with Angular and good to have some Gen AI knowledge)

W3Global; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

W3Global in Warszawa is seeking a skilled full-stack developer to design and implement scalable microservices with Java 17 and Spring Boot, and build responsive Angular interfaces. You will ensure robust REST APIs, secure data handling, and efficient CI/CD with Docker and orchestration on OpenShift/Kubernetes.

The role emphasizes collaboration with Product, QA, UX and DevOps in an Agile environment, with emphasis on performance, observability, and continuous improvement.

Qualifications

• Experience building front-end using Angular 12+ and TypeScript.
• Proficient in Java 17 and Spring Boot microservices.
• Skilled in designing RESTful APIs with OpenAPI/Swagger.
• Strong database knowledge: MongoDB and SQL (PostgreSQL/MySQL/Oracle).
• Experience with Docker, container orchestration (Kubernetes/OpenShift).
• Knowledge of OAuth2/OIDC, OWASP security practices.

Responsibilities

• Design and develop responsive Angular front-ends and Java Spring Boot microservices.
• Implement RESTful APIs with versioning, pagination, idempotency, and robust error handling.
• Develop and optimize data models for MongoDB and SQL databases.
• Containerize apps with Docker and deploy on OpenShift/Kubernetes.
• Contribute to CI/CD pipelines using Git, Maven/Gradle, Jenkins, and GitHub Actions.
• Ensure security, logging, monitoring, observability, and testing.

Skills

Angular

TypeScript

RxJS

NgRx

HTML5

CSS3

Java

Spring Boot

Microservices

REST APIs

JSON

OpenAPI/Swagger

Tools

Docker

Kubernetes

OpenShift

GitHub Actions

Jenkins

Maven

Gradle

Job description

Key Responsibilities

• Design and develop responsive Angular applications and Spring Boot microservices
• Build applications using Java 17 microservices architecture and clean coding practices
• Implement RESTful APIs with versioning pagination idempotency and proper error handling
• Develop and optimize data models for MongoDB and SQL databases
• Containerize applications using Docker and deploy on OpenShift Kubernetes
• Ensure security compliance OAuth2OIDC OWASP practices input validation
• Implement logging monitoring and observability logs metrics traces
• Develop unit integration and UI tests JUnit Mockito Jasmine Karma
• Contribute to CICD pipelines using Git MavenGradle Jenkins GitHub Actions
• Optimize application performance and resilience caching retries circuit breakers
• Collaborate with Product QA UX and DevOps teams in Agile delivery
• Support production issues with RCA and continuous improvement practices

Must Have Skills

Frontend

• Angular 12 TypeScript RxJS NgRx
• HTML5 CSS3 responsive UI accessibility

Backend

• Java 17 Spring Boot Spring MVCWebFlux
• Microservices architecture design patterns
• API Integration
• REST APIs JSON OpenAPISwagger
• API security interceptors filters
• Databases
• MongoDB schema aggregation
• SQL PostgreSQL MySQL Oracle
• Cloud DevOps

Optional

• Docker Kubernetes OpenShift deployment knowledge
• CICD tools Jenkins GitHub Actions Azure DevOps
• Git Maven,Gradle
• Testing Quality
• JUnit Mockito Postman, RestAssured
• Jasmine, Karma, SonarQube

Additional Expectations

• Strong understanding of cloudnative application design
• Awareness of enterprise architecture governance standards
• Exposure to LLMAI integration into applications good to have
• Experience working in Agile SDLC environments

Skills

Mandatory Skills :

Java, Java Microservices, Java SpringBoot