Senior Java Developer

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. Together, we will work on the project delivering scalable and high-quality software solutions aligned with the product roadmap and modern architectural standards.

Responsibilities:

• Write highly testable, automatable, and performant code across the full SDLC using high coding standards and software best practices

• Develop the product and deliver features and updates according to the product roadmap

• Develop and review feature design documents and provide input to update solution specifications

• Participate in team activities according to the methodology, including daily meetings, planning, and retrospectives

• Coach and supervise Middle and Junior Engineers based on project needs

Requirements:

• Use best practices and patterns during application design and implementation

• Hands-on experience with monolith, microservice, and serverless architectural styles

• In-depth proficiency in Java, implementing applications using defensive programming

• Proven experience in developing web applications using advanced framework features and industry-standard conventions

• Practical experience in writing and performance tuning of complex SQL

• In-depth proficiency with JUnit and Mockito

• Experience contributing to continuous quality improvement, including conducting code reviews, setting up quality metrics, and monitoring them

• Hands-on experience with application deployment patterns and tools

• Practical experience in infrastructure configuration using popular cloud providers

Desirable:

• Experience configuring application security aspects

• Practical experience in application performance optimization

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

About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.

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Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.