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Senior Java Developer

CiklumPoland

6 days ago

Job description

Description

Ciklum is looking for a Senior Java Developer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role :

As a Senior Java Developer, become a part of a cross-functional development team engineering experiences of tomorrow. The team provides institutions with faster and more cost-effective access to payments through a highly flexible, payment-specific platform that seamlessly integrates with core and back-office banking systems. This is an exciting opportunity for an experienced Software Engineer with a product engineering background—ideally experienced in asynchronous, event-driven systems—to contribute to the successful delivery of a market-leading real-time payment processing solution.

Responsibilities

Our Software Engineers are hands-on developers who work at pace, applying Kanban principles to solve complex, high-impact engineering challenges while continuously improving quality standards. Working primarily with Java, Akka, and Spring, you will contribute to the design and architecture of an innovative, real-time payment processing solution. Play a key role in product engineering, following Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) practices

Write high-quality, maintainable code aligned with established development standards and patterns
Actively contribute to technical discussions and architectural decisions within the engineering team
Develop reusable code and libraries for long-term use
Optimise applications for performance, scalability, and resilience

Requirements

We’re looking for proactive, self-motivated individuals who take ownership of their work and continuously seek to innovate. Successful candidates will have a proven track record of working effectively in highly collaborative, Agile development teams and a strong passion for engineering robust solutions to complex challenges.

Key skills and experience include :

Strong hands-on experience with Java 11+ and Reactive Programming

Solid experience with the Spring framework and related technologies

Good understanding of asynchronous request handling and building high-availability, resilient distributed systems

Experience working with event-driven and event-sourced architectures

Familiarity with CI / CD pipelines and automation tools

Experience in Agile delivery environments (., Kanban or Scrum), and working with associated tools such as Jira and Confluence

Desirable

Experience with real-time messaging systems such as Kafka and JMS

Familiarity with Akka or other reactive frameworks

Front-end development experience using Angular 9+

Experience with automation and environment provisioning using Ansible

DevOps experience in highly transactional software environments

Working knowledge of Docker and Kubernetes

Understanding of Unix system administration and scripting

Experience with document-based data stores, such as MongoDB

What's in it for you

Strong community : Work alongside top professionals in a friendly, open-door environment

Growth focus : Take on large-scale projects with a global impact and expand your expertise

Tailored learning : Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications

Endless opportunities : Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies

Flexibility : Enjoy flexibility – full remote working possibilities

Care : We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

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Senior Java Developer • Poland

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