Senior Backend API Engineer – Java/Springboot, Hybrid Kraków

LTM; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

LTM in Kraków, Poland invites an experienced Backend API Developer to join a hybrid team, delivering robust backend services and distributed systems in a fast-paced environment.

You will work on Java/Spring Boot applications, leverage Kubernetes and AWS, design APIs with OpenAPI, and implement secure, scalable solutions with CI/CD and TDD principles. The role emphasizes collaboration with stakeholders and continuous learning.

Qualifications

• Senior experience in Java and Spring Boot.
• Experience with Kubernetes and cloud AWS.
• Familiar with CI/CD tools (GitHub, Jenkins, Maven).
• Knowledge of API design standards, Swagger/OpenAPI, REST, JSON, microservices.
• Experience with OAuth 2 authentication/authorization and Kong API Gateway is a plus.
• Strong Agile testing discipline (TDD) and Scrum experience.
• Ability to translate business needs into technical solutions.
• Willingness to learn new technologies and domains.

Responsibilities

• Develop high-quality backend services and APIs.
• Participate in designing distributed systems and choosing tech stacks.
• Ensure code quality and automated tests coverage.
• Collaborate with cross-functional teams and stakeholders.
• Keep up-to-date with industry trends and best practices.
• Mentor peers and promote engineering process improvements.

Skills

Java

Spring Boot

Kubernetes

AWS

CI/CD

API Design

OAuth 2.0

TDD

Agile/Scrum

Problem Solving

Tools

Kubernetes

AWS

Jenkins

GitHub

Jira

Maven

Job description

LTM in Kraków, Poland invites an experienced Backend API Developer to join a hybrid team, delivering robust backend services and distributed systems in a fast-paced environment.

You will work on Java/Spring Boot applications, leverage Kubernetes and AWS, design APIs with OpenAPI, and implement secure, scalable solutions with CI/CD and TDD principles. The role emphasizes collaboration with stakeholders and continuous learning.