Senior Full-Stack Java Engineer (Java 21 & Angular) – Contract

Applaudo; Ciudad de México; Presencial; MXN 900.000 - 1.500.000; Jornada completa

Descripción de la vacante

Applaudo is seeking an experienced software engineer to own features end-to-end in a mature, customer-facing product. You will work across a modern full-stack environment using Java 21, Spring Boot, and Angular, delivering scalable, well-tested solutions that support real users and critical workflows.

You will join a collaborative team, participate in Agile ceremonies and client-facing discussions, and contribute to architecture decisions, code quality, and risk management while communicating

Formación

• 8+ years of professional software development experience with backend time in Java using Spring Boot or a comparable framework.
• Solid knowledge of Java 21 and modern Spring Boot patterns: dependency injection, REST controllers, service layers, and configuration management.
• Hands-on Angular experience (v14+ to v19 strongly preferred) with practical, production use of RxJS for reactive state and data flows.
• Comfortable writing and reasoning about SQL against PostgreSQL, joins, indexing, and query fundamentals.
• Familiarity with Redis for caching or pub/sub patterns in production.
• Hands-on experience with AWS (S3, ECS, CloudWatch).
• Strong testing discipline, writes and runs comprehensive unit/E2E tests on critical business logic.

Responsabilidades

• Design, build, and debug new product features end-to-end, across the backend API layer and the Angular frontend, within an established monolithic codebase.
• Develop and maintain RESTful APIs in Java 21 / Spring Boot, backed by PostgreSQL (MyBatis) and Liquibase for schema changes.
• Implement and maintain Redis-based caching strategies for performance and session management.
• Build reactive Angular 19 components using RxJS and client-defined UI frameworks, ensuring consistent UX.
• Write E2E and unit tests focused on critical business logic.
• Work with AWS (S3, ECS, CloudWatch, Bedrock) for storage, deployment, observability, and AI integrations.
• Proactively communicate when a feature's complexity or scope exceeds initial estimates, before committing to a delivery timeline.
• Actively participate in Agile ceremonies and weekly client-facing meetings.
• Partner with peer engineers to shape workflows and maintain code quality across the team.

Conocimientos

Java 21

Spring Boot

Angular 19

RxJS

SQL (PostgreSQL)

Redis

AWS

Unit/E2E testing

English communication

Educación

Bachelor’s Degree in Computer Science/Software Engineering/Computer Engineering

Herramientas

MyBatis

Hibernate

Liquibase

PostgreSQL

Descripción del empleo

Applaudo is seeking an experienced software engineer to own features end-to-end in a mature, customer-facing product. You will work across a modern full-stack environment using Java 21, Spring Boot, and Angular, delivering scalable, well-tested solutions that support real users and critical workflows.

You will join a collaborative team, participate in Agile ceremonies and client-facing discussions, and contribute to architecture decisions, code quality, and risk management while communicating