CareerPlan

(0198) - Sr Backend Developer Java

Puebla, Puebla, MexicoFull-time2026-10-07 → 2026-11-10

Core

Design, implement, and optimize scalable backend applications using Java, ensuring performance, security, and business alignment.

Role type

Senior Backend Developer

Builds

Scalable REST APIs and backend services for clients in automotive, financial, and telecom sectors

Domain

Enterprise Software Development

Deliverable

production ML models | product features

Required skills

Java 17/21, Spring Boot 3, Spring Security, JWT, JPA, SQL Server, Resilience4j, JUnit, Mockito

Preferred skills

Experience with critical/high-availability systems, error handling, logging, and application monitoring

Technologies

Spring Boot 3, Spring Security, JWT, SQL Server, JPA, Resilience4j, JUnit, Mockito, HttpClient, WebClient, RestTemplate

Responsibilities

Develop and maintain scalable REST APIs with Spring Boot; Implement authentication and authorization using Spring Security and JWT; Optimize SQL queries and transactions; Apply resilience patterns; Manage error handling and validation; Perform unit and integration testing; Collaborate on stabilizing critical systems

Seniority

Senior, hands-on IC