Mid-level Backend Developer – Java, APIs, Microservices

Posted 15hrs ago

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Backend Developer at Grupo SysMap focused on Java and APIs, ensuring high-quality backend architecture and collaboration with agile teams.

Develop, evolve, and maintain Java backend APIs and services, ensuring adherence to defined architecture patterns, high code quality, readability, and maintainability;
Actively participate in the development of microservices, including contract definition, synchronous and asynchronous communication, and integrations between internal and external systems;
Ensure application performance, stability, security, and scalability by identifying bottlenecks, proposing technical improvements, and taking preventive actions;
Take part in functional and technical refinements, contributing analyses, estimates, solution definitions, and risk identification;
Participate in Scrum ceremonies such as planning, daily stand-ups, review, and retrospective, collaborating on the organization and growth of the team;
Implement and maintain unit and integration tests to ensure reliability, quality, and compliance with functional and non-functional requirements;
Work on application monitoring, analyzing logs, metrics, and alerts to provide observability and rapid failure detection;
Analyze, investigate, and resolve production incidents, perform root cause analysis, and propose continuous improvements;
Participate in code reviews, applying and promoting best practices, development patterns, and software quality principles;
Collaborate closely with Frontend, Mobile, QA, and DevOps teams to ensure integrated deliveries and efficient end-to-end solutions.

Solid experience in backend development with Java 11 or higher (Java 17+ preferred);
Experience developing RESTful APIs following best practices for versioning, security, and performance;
Experience with microservices architecture and system integrations;
Knowledge of messaging systems conceptually or in practice, using tools such as Kafka, RabbitMQ, or similar;
Experience with relational databases (SQL) such as PostgreSQL, Oracle, or equivalents;
Familiarity with NoSQL databases;
Implementation of unit and integration tests with a focus on code quality and reliability;
Application of SOLID principles and development best practices such as Clean Code;
Experience with source control using Git;
Basic knowledge of Docker for creating and running containers;
Familiarity with CI/CD and pipeline automation;
Experience with observability using logs, metrics, and application monitoring tools;
Experience working in agile teams, especially Scrum, actively participating in ceremonies and technical and functional refinements;
Experience with cloud platforms (AWS, Azure, or GCP);
Knowledge of API security, such as OAuth2, JWT, and authentication/authorization best practices;
Experience with legacy systems and technology modernization processes;
Experience in high-volume environments, critical systems, or mission-critical applications.