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Backend Java Developer, Spring Boot – Mid-level, Senior, Technical Specialist, Tech Lead

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Develop, evolve, and maintain applications using Java 17+ and Spring Boot.
Design, develop, and maintain REST APIs and microservices-based architectures.
Build solutions using reactive programming.
Participate in defining technical and architectural solutions, following Software Engineering best practices.
Write clean, reusable, object-oriented code.
Implement unit tests using JUnit and Mockito.
Work with relational databases (MySQL and PostgreSQL) and NoSQL (MongoDB).
Manage dependencies using Maven and/or Gradle.
Work in agile teams using Scrum and tools such as Jira and Trello.
Collaborate with multidisciplinary teams to translate business requirements into high-quality technical solutions.
Contribute to the continuous evolution of applications, promoting quality, performance, scalability, and development best practices.

Requirements

Solid experience with Java 17+.
Experience with Spring Boot.
Knowledge of REST APIs and microservices.
Experience with reactive programming.
Knowledge of unit testing frameworks (JUnit and Mockito).
Experience with relational databases (MySQL and PostgreSQL) and NoSQL (MongoDB).
Knowledge of dependency management using Maven and/or Gradle.
Strong knowledge of Object-Oriented Programming (OOP).
Experience with agile methodologies (Scrum) and management tools such as Jira and Trello.
Experience with Docker and Kubernetes (Senior level).
Experience with messaging systems, such as Kafka and/or Event Hub (Senior level).
Experience with CI/CD pipelines using Jenkins, GitLab CI, or similar tools (Senior level).
Experience with DevOps practices (Senior level).
Experience in Cloud environments such as AWS, Microsoft Azure, or Google Cloud Platform (GCP) (Senior level).
Mastery of Systems Architecture and Design Patterns (Technical Specialist and Tech Lead).
Experience with monitoring tools, such as Grafana (Technical Specialist and Tech Lead).
Expertise in resilience strategies for distributed systems (Technical Specialist and Tech Lead).
Experience with technical leadership and team management (Technical Specialist and Tech Lead).

Core Competencies

Proficient in developing and maintaining applications using Java 17+ and Spring Boot, with a strong focus on REST APIs, microservices, and reactive programming. Demonstrates expertise in unit testing, agile methodologies, and cloud environments, while promoting best practices in software engineering.

Highest-signal resume keywords

Java 17+
Spring Boot
REST APIs
Microservices
Agile Methodologies

ATS Optimization Keywords

Hard Skills

Reactive Programming
Unit Testing (JUnit, Mockito)
Object-Oriented Programming (OOP)
Relational Databases (MySQL, PostgreSQL)
NoSQL (MongoDB)
Dependency Management (Maven, Gradle)
Docker
Kubernetes
CI/CD Pipelines (Jenkins, GitLab CI)
Cloud Environments (AWS, Azure, GCP)

Soft Skills

Collaboration
Technical Leadership
Team Management

Industry Keywords

Microservices-Based Architectures
Software Engineering Best Practices
Systems Architecture
Design Patterns
Resilience Strategies

Tools & Technologies

Jira
Trello
Grafana