Remote Backend Developer | Java, Spring Boot & PostgreSQL

Afternow; Polska; Hybrid; PLN 134,000 - 160,000; Full time

Job summary

Afternow is seeking a mid-level Backend Developer to join our product development team on a fully remote, Europe/LATAM engaged project through February 2027. You will build APIs, services, and data models using Java, Spring Boot, and PostgreSQL, collaborating with cross-functional teams.

The ideal candidate has 3+ years of backend experience, strong Java/Spring Boot skills, REST API design, and a passion for quality testing and scalable architecture. English fluency is mandatory, Spanish a bonus.

Qualifications

• 3+ years of professional backend development experience.
• Strong practical knowledge of Java and Spring Boot.
• PostgreSQL, SQL, data modeling and query performance.
• REST APIs design, testing, and consumption.
• Automated backend testing and CI/CD familiarity.
• GIT, code reviews, and collaborative workflows.

Responsibilities

• Write clean, maintainable Java code using Spring Boot.
• Develop and maintain REST APIs and backend services.
• Work with PostgreSQL, Hibernate, and data models.

Skills

Backend development

Java

Spring Boot

PostgreSQL

REST APIs

Testing

Git

Architecture

AWS

Domain experience

Ownership

Collaboration

Problem solving

AI-assisted development

English proficiency

Tools

AWS

Job description

Afternow is seeking a mid-level Backend Developer to join our product development team on a fully remote, Europe/LATAM engaged project through February 2027. You will build APIs, services, and data models using Java, Spring Boot, and PostgreSQL, collaborating with cross-functional teams.

The ideal candidate has 3+ years of backend experience, strong Java/Spring Boot skills, REST API design, and a passion for quality testing and scalable architecture. English fluency is mandatory, Spanish a bonus.