Develop and maintain scalable, resilient, and high-performance backend services.
Design and implement integrations between systems and APIs, ensuring reliability and high availability.
Monitor application metrics, logs, and indicators to identify opportunities to improve performance, stability, and user experience.
Collaborate with Product, Design, and other Engineering teams to define and deliver solutions that provide value to users.
Participate in defining and evolving applications, contributing best practices and engineering standards.
Analyze complex software issues and propose efficient, sustainable solutions.
Contribute to code quality through reviews, testing, and continuous improvement of applications.
Research and evaluate new technologies, tools, and approaches that can advance the company’s products and processes.
Support the definition and implementation of business rules and integration with internal and external services.

Strong experience developing in Java.
Experience developing RESTful APIs.
Experience with PostgreSQL databases.
Experience with automated testing, especially JUnit.
Experience with version control using Git.
Experience with socket programming and client/server communication.
Experience with concurrent programming in Java, including use of threads, concurrency control, and synchronization.
Knowledge of distributed systems concepts such as messaging, pub/sub, transactions, and inter-service communication.
Knowledge of data structures and system architecture.
Experience applying software engineering best practices, such as Clean Code and Clean Architecture.
Experience with web scraping and data collection automation.
Experience using AI tools focused on code, code review, testing, and documentation, preferably Claude Code.
Preferred: experience with JavaScript and TypeScript.
Preferred: experience with frontend frameworks such as Vue.js and UI libraries.
Preferred: experience with PHP.

Mid-level Back End Developer

Key skills