Mid/Senior Java Developer

Arche Consulting Sp. z o.o.; Polska; On-site; PLN 240,000 - 320,000; Full time

Job summary

A global consulting firm in Poland is seeking a skilled software engineer to design and implement solutions for large-scale banking and payment platforms. The ideal candidate has strong experience in Java, familiarity with Docker and Kubernetes, and knowledge of cloud environments. This role contributes to innovative projects and requires collaboration in an Agile environment. An employment contract or B2B option is available, along with a chance to impact global financial systems.

Benefits

Employment contract or B2B

Opportunity to work on high-impact projects

Participation in an international organization

Qualifications

• Strong experience with Java 17 or higher.
• Experience with Kafka/RabbitMQ, Docker and/or Kubernetes.
• Solid knowledge of Spring / Spring Boot, Hibernate, MyBatis or similar ORM frameworks.
• Experience with relational and/or NoSQL databases.
• Familiarity with cloud environments such as AWS, Google Cloud, Azure, or OpenShift.
• Experience with CI/CD pipelines and version control systems.
• Understanding of containerization and orchestration (Docker, Kubernetes).
• Experience with automated testing and quality tools.
• Good understanding of system architecture and software development lifecycle.
• English proficiency at B2 level or higher.
• Proactive mindset and strong ownership.

Responsibilities

• Research, evaluate, design, and implement software solutions.
• Architect and develop new tools, frameworks, and patterns.
• Contribute to development of new business features.
• Collaborate with cross-functional teams in an Agile environment.
• Ensure high software quality through code reviews and automated testing.

Skills

Java 17 or higher

Kafka/RabbitMQ

Docker

Kubernetes

Spring / Spring Boot

Automated testing

CI/CD pipelines

Git

Tools

SonarQube

Flyway

Liquibase

Job description

project within the banking and payments area. Our client is a globally recognized brand delivering large-scale, mission-critical solutions used by millions of users worldwide, including merchants, B2B partners, government institutions, and financial organizations.

You will join an international, cross-functional environment where accuracy, scalability, and security are valued over speed, and where engineering excellence directly impacts real-world financial ecosystems.

Responsibilities:

• research, evaluate, design, and implement modern software solutions for large-scale banking and payment platforms,
• architect and develop new tools, frameworks, and patterns to build secure, scalable, and sustainable systems,
• actively contribute to the development of new business features rather than legacy system maintenance,
• collaborate closely with cross-functional teams (engineering, product, QA, DevOps) in an Agile environment,
• ensure high software quality through code reviews, automated testing, and adherence to best practices.

Requirements:

• strong experience with Java 17 or higher,
• experience with Kafka/RabbitMQ, Docker and/or Kubernetes,
• solid knowledge of Spring / Spring Boot, Hibernate, MyBatis or similar ORM frameworks,
• experience with relational and/or NoSQL databases; schema versioning using Flyway or Liquibase,
• familiarity with cloud environments such as AWS, Google Cloud, Azure, or OpenShift,
• experience with CI/CD pipelines (Jenkins, TeamCity) and version control systems (Git, Bitbucket, GitLab),
• understanding of containerization and orchestration (Docker, Kubernetes),
• experience with automated testing (unit, integration, e2e) and quality tools (e.g. SonarQube, Checkmarx),
• good understanding of system architecture, dependencies, and full software development lifecycle,
• English proficiency at B2 level or higher, enabling clear communication with international stakeholders,
• proactive mindset, strong ownership, and willingness to collaborate beyond task management tools.

Our client offers:

• employment contract or B2B,
• opportunity to work on a high-impact, global project in the banking and payments domain,
• participation in a rapidly expanding, international organization.