Java Software Engineer / 1

Inetum Polska; Poznań; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Inetum Polska is seeking a Java Software Engineer to join our Billing team. The primary task is migrating the database from Sybase to PostgreSQL without functional changes, followed by maintaining REST interfaces to support ongoing operations.

You will work with Java 17/21, Spring Boot, PostgreSQL and related tools in a collaborative, hybrid environment. Fluent English and Polish communication are required, along with strong analytical and coding skills.

Qualifications

• Proficiency in Java 17/21 and Spring ecosystem.
• Experience with PostgreSQL and Sybase databases.
• Familiarity with REST interfaces, Maven and JUnit.
• Comfort with DevOps tools such as Kubernetes/Jenkins/SonarQube/OpenAPI.
• Excellent written and spoken English and Polish.

Responsibilities

• Migrate the database from Sybase to PostgreSQL within the Billing system without changing existing functionality.
• Implement and maintain REST interfaces after migration.
• Collaborate with cross-functional teams to ensure integration and performance.
• Conduct technical analysis of current systems and business logic for migration.
• Develop and maintain high-quality code following best practices.

Skills

Java 17/21

Spring Boot

Spring JDBC

REST APIs

Maven

JUnit

English proficiency

Polish proficiency

Tools

Kubernetes

Jenkins

SonarQube

OpenAPI/Swagger

Job description

Inetum Polskais part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow, Lodz the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.

Globally, Inetum operates in 19 countries and employs over 28,000 professionals. The company focuses on four key areas:

• Consulting (Inetum Consulting):Strategic advisory services that help organizations define and implement innovative solutions.
• Infrastructure and Application Management (Inetum Technologies):Designing and managing IT systems tailored to clients’ individual needs.
• Software Implementation (Inetum Solutions):Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.
• Custom Software Development (Inetum Software):Creating unique software solutions to meet specific client needs.

With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.

Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here’s what makes working at Inetum unique:

• A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
• Generous referral bonuses, offering up to PLN6,000 for referring specialists.
• Additional revenue sharing opportunities for initiating partnerships with new clients.

Professional development and team support:

• Ongoing guidance from a dedicated Team Manager for each employee.
• Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

Community and Well-Being:

• Dedicated team-building budget for online and on-site team events.
• Opportunities to participate in charitable initiatives and local sports programs.
• A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

Job Description

We are seeking a Java Software Engineer to join our team. The primary responsibility of this role is to migrate our database from a Sybase environment to PostgreSQL within our Billing system, ensuring no functional changes occur during the process. Post-migration, you will utilize standard REST interfaces to maintain and enhance system functionality.

Main Tasks:

• Migrate the database from Sybase to PostgreSQL within the Billing system without altering existing functionalities.
• Implement and maintain standard REST interfaces post-migration.
• Collaborate with cross-functional teams to ensure seamless integration and system performance.
• Conduct technical analysis of existing systems, business logic, and technical solutions to support the migration process.
• Develop and maintain high-quality code, ensuring adherence to best practices and industry standards.

Qualifications

Must-have requirements:

• Proficiency in the JVM Ecosystem, including Java 17/21, Spring Boot, Spring JDBC, REST APIs, Maven, and JUnit.
• Strong experience with PostgreSQL and Sybase databases.
• Familiarity with tools and DevOps practices, including Kubernetes, Jenkins, SonarQube, and OpenAPI/Swagger.
• Proven experience in technical analysis, including the ability to analyze existing systems, business logic, and technical solutions.
• Fluent communication skills in English and Polish (minimum B2 level), both written and spoken.

Nice to have requirements:

• Experience in developing stored procedures in Sybase.
• Strong analytical skills and a keen interest in AI technologies.
• Previous experience in the Billing domain.

Additional Information

Hybrid work model: 3days from the office, 2 days of home office.

Thank you for your interest in our offer. We will contact selected candidates whose experience best matches the requirements of the role.

Additional Information

We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: