Kotlin Developer /IBS

Inetum; Katowice; Hybrid; PLN 150,000 - 190,000; Full time

Job summary

Inetum Polska is delivering a technology project for a banking client, consolidating distributed systems into a single modern platform. The role focuses on building secure, scalable software with Kotlin and Spring, and emphasizes test coverage and code quality.

The fast-paced environment values continuous learning, teamwork, and knowledge sharing. Hybrid work is available in key Polish cities, with a strong support network and training opportunities.

Qualifications

• Experience with Kotlin and Spring (Spring Boot / Spring Framework).
• Good knowledge of Git.
• Experience with PostgreSQL.
• Experience with Webflux.
• English proficiency at minimum B2 level.
• Willingness to continuously learn and explore new technologies.
• Team-oriented mindset and knowledge-sharing attitude.

Responsibilities

• Writing clean, high-quality, and maintainable code
• Maintaining and developing unit and integration tests
• Ensuring the highest security standards
• Analyzing, diagnosing, and fixing issues in existing solutions

Skills

Kotlin

Spring

Git

PostgreSQL

Webflux

English (B2)

Continuous learning

Team collaboration

Tools

Hexagonal architecture

Event sourcing

CQRS

GCP

Microservices

Postman

Cassandra

Kafka

Job description

This is a technology project for a client in the banking industry, focused on consolidating multiple distributed systems and local solutions into a single, modern, and scalable platform.

The initiative has been designed as a modular technological foundation, enabling flexible development and rapid adaptation to changing business needs.

The platform plays a key role in coordinating changes across applications and business processes, streamlining the daily work of development and operations teams, and supporting efficient management of IT solutions throughout their lifecycle.

Responsibilities:

• Writing clean, high-quality, and maintainable code
• Maintaining and developing unit and integration tests
• Ensuring the highest security standards
• Analyzing, diagnosing, and fixing issues in existing solutions

Profile

Must-have Requirements

• Experience with Kotlin and Spring (Spring Boot / Spring Framework)
• Good knowledge of Git
• Experience working with PostgreSQL
• Experience working with Webflux
• English proficiency at minimum B2 level
• Willingness to continuously learn and explore new technologies
• Team-oriented mindset and knowledge-sharing attitude

Nice to Have

• Knowledge of hexagonal architecture
• Experience with event sourcing and CQRS
• Familiarity with Google Cloud Platform (GCP)
• Experience with microservices architecture
• Knowledge of Postman
• Experience with Cassandra and Kafka

About Inetum

Inetum Polska is 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:

Flexible and hybrid work:

• Flexible working hours.
• Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.

Attractive financial benefits:

• 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.