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Backend Developer Java Spring Boot

Kraków, małopolskie💼 Full-time💰 $160–$170🗓 2026-06-13 → 2026-08-09

Core

Designing and building scalable, secure cloud-based microservices and APIs for product features.

Role type

Senior Backend Developer (Java/Spring Boot)

Builds

Scalable, highly reliable product features via API and microservices

Domain

Software Engineering / Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, REST APIs, Microservices, Hibernate JPA, SQL (Oracle, Postgre), NoSQL (MongoDB), CI/CD (Jenkins, Docker), Git, Unix/Linux

Preferred skills

JavaScript frameworks (React, Node, Angular), Cloud platforms (GCP, AWS, GKE), System Architecture, Python

Technologies

Spring Framework, Hibernate, Jenkins, Docker, Git, Oracle, PostgreSQL, MongoDB, React, Node.js, Angular, Bootstrap, GCP, AWS, GKE

Responsibilities

Define and architect non-functional requirements; Develop cloud-based, secure, and adaptable solutions; Build scalable product features through software design; Estimate engineering efforts and develop realistic schedules; Conduct design and code reviews and perform unit testing; Resolve complex production issues.

Seniority

Senior, hands-on IC

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