Java Software Engineer

Job description

We are looking for a Senior Java Developer to join our team building a distributed, microservices-based video surveillance and physical security platform. You will work across multiple services covering device configuration, authentication, event processing.

Responsibilities

- Design, develop, and maintain backend services in a distributed architecture

- Build and expose reactive REST APIs consumed by web clients

- Implement and maintain authentication and authorization mechanisms including JWT, LDAP, OAuth2, and two-factor authentication (TOTP)

- Integrate services with message brokers and search engines

- Collaborate closely with other developers, QA, and product teams to deliver reliable, production-grade features

- Participate in code reviews and uphold code quality standards

- Take ownership of assigned services — from requirements through delivery to production support

- Write and maintain integration and contract tests

- Contribute to architectural decisions and technical documentation

- Proactively identify and address technical debt and potential security issues

Technology Stack

Core:

- Language: Java 17/21

- Frameworks: Spring Boot 3.x, Spring MVC, Spring Security, Spring Cloud Gateway, Spring AOP

- Search & Analytics: Elasticsearch 7.x/8.x

Optional:

- Messaging: RabbitMQ (Spring AMQP)

- WebSockets

- Authentication: JWT (JJWT), LDAP (Spring Data LDAP), OAuth2 (Spring OAuth2 Client), TOTP (2FA)

- API Documentation: OpenAPI 3 / Swagger (springdoc)

- Schema Validation: JSON Schema

- Testing: JUnit 5, Testcontainers (Elasticsearch, RabbitMQ), AssertJ

- Build & CI/CD: Maven, Jenkins, Git

- Containerization: Docker

- Code Quality: SonarQube