Java Backend Lead Developer With AI Experience

Quantum World Technologies Inc.; Austin (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

Quantum World Technologies Inc. is seeking a Java / Spring Boot / Angular Technical Lead to oversee Full-Stack application development projects. This role involves leading technical teams and guiding solutions from design to deployment.

The ideal candidate will have robust experience with Java, Spring Boot, Angular, and Microservices, along with proven leadership in coordinating development teams. Preferred qualifications include exposure to cloud platforms like AWS and hands-on experience with CI/CD tools.

Qualifications

• 5+ years of Full-Stack application development experience with Java and Angular.
• Experience leading and mentoring development teams and coordinating global teams.
• Strong knowledge of SQL and NoSQL databases, including performance optimization.

Responsibilities

• Lead Full-Stack application development projects and provide technical leadership.
• Design, develop, and support RESTful APIs and Microservices.
• Manage stakeholder communication and resource planning.

Skills

Java

Spring Boot

Angular

Microservices

Technical Leadership

RESTful APIs

Agile Methodologies

Docker

Kubernetes

CI/CD

Tools

Jenkins

AWS

GCP

Kafka

PostgreSQL

Job description

Java / Spring Boot / Angular Technical Lead –

• Lead Full-Stack application development projects using Java, Spring Boot, Microservices, and Angular while providing technical leadership across the entire SDLC.
• Serve as a Technical Lead responsible for solution design, architecture reviews, technical decision-making, code reviews, engineering standards, and mentoring development teams.
• Proven experience leading and coordinating globally distributed onshore-offshore teams, managing delivery commitments, stakeholder communication, resource planning, and cross-functional dependencies.
• Strong hands‑on expertise in Core Java, Advanced Java, Java 8+, Collections Framework, Multithreading, Concurrency, Exception Handling, JVM concepts, and Object-Oriented Design principles.
• Extensive experience with Spring Framework, Spring Boot, Spring MVC, Spring Data JPA, Hibernate, Dependency Injection, Spring Batch, Spring JMS, and enterprise application development.
• Design, develop, and support RESTful APIs, Microservices, distributed systems, and scalable service‑oriented architectures following modern design patterns and best practices.
• Strong understanding of application security, performance optimization, resiliency, fault tolerance, production support, troubleshooting, and root‑cause analysis.
• Hands‑on experience with Angular including Components, Modules, Services, Routing, Dependency Injection, Lifecycle Hooks, Reactive Forms, RxJS, and reusable UI component development.
• Experience implementing front‑end authentication and authorization using OAuth2, OIDC, JWT tokens, Role‑Based Access Control (RBAC), Route Guards, and secure session management.
• Strong knowledge of Local Storage, Session Storage, Angular Interceptors, API security, centralized error handling, request/response processing, and front‑end security best practices.
• Experience developing Custom Directives, reusable Services, state management solutions, API integrations, and performance‑optimized Single Page Applications (SPA).
• Strong experience with relational databases such as MySQL, PostgreSQL, including data modeling, query optimization, performance tuning, and database integration; exposure to NoSQL databases is preferred.
• Hands‑on experience with messaging and event‑driven architectures using Kafka, RabbitMQ or similar middleware technologies.
• Experience with cloud platforms such as Pivotal Cloud Foundry, GCP, AWS along with containerization technologies including Docker and Kubernetes.
• Strong understanding of CI/CD, DevOps, and release management practices using Jenkins, Git, GitHub, Maven, Gradle, Harness, automated deployment pipelines, and environment management.
• Experience with application monitoring and observability tools such as Splunk, AppDynamics, logging frameworks, and production monitoring solutions.
• Hands‑on experience with unit testing, integration testing, API testing, JUnit, Mockito, WireMock, Selenium, TestNG, and BDD/TDD practices to ensure high‑quality software delivery.
• Excellent communication, leadership, stakeholder management, problem‑solving, and team‑building skills with the ability to balance hands‑on technical contributions and delivery leadership.