Senior Java Developer - Microservices, Spring Boot & Cloud

Sii Poland; Bydgoszcz; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking experienced Java Developers to work on global projects using modern technologies, microservices, and cloud-native approaches. The Digital Competence Center comprises over 1500 experts delivering enterprise solutions across finance, telco, e-commerce, manufacturing, retail, and healthcare.

Your tasks include implementing software, adding features, and ensuring code quality, with opportunities for continuous development in a stable environment.

Qualifications

• Minimum 5 years of commercial programming experience in Java.
• Practical knowledge of Spring Frameworks (Spring Boot, Spring MVC) and Hibernate/JPA.
• Experience with microservices architecture and tools: Docker, Kubernetes, Kafka.
• Knowledge of relational and non-relational databases (Oracle, PostgreSQL, MongoDB).
• Experience in developing and integrating web APIs (REST, GraphQL).
• Ability to apply good engineering practices: SOLID, unit testing (JUnit), code review, clean code.
• Strong communication skills, teamwork, and English proficiency.

Responsibilities

• Creation, implementation and testing of software using modern technologies.
• Adding new functionalities.
• Troubleshooting software problems (troubleshooting).
• Preparing technical documentation.
• Ensuring code quality and adherence to programming standards in projects.
• Collaborating with other team members to better understand the problem.
• Proposing new optimization options and changes.

Skills

Java

Spring Framework

Hibernate/JPA

Microservices

REST API

GraphQL

Unit testing (JUnit)

SOLID

Code review

English communication

Tools

Docker

Kubernetes

Kafka

PostgreSQL

Oracle

MongoDB

Job description

Sii Poland is seeking experienced Java Developers to work on global projects using modern technologies, microservices, and cloud-native approaches. The Digital Competence Center comprises over 1500 experts delivering enterprise solutions across finance, telco, e-commerce, manufacturing, retail, and healthcare.

Your tasks include implementing software, adding features, and ensuring code quality, with opportunities for continuous development in a stable environment.