About the role

Develop and deliver performant, testable code and features according to the product roadmap across the entire SDLC. Participate in agile team activities and provide coaching and supervision to middle and junior engineers.

What they look for

Java Kotlin SQL JUnit Mockito Microservices Serverless Architecture Cloud Providers Software Design Patterns Defensive Programming Application Performance Tuning Code Review

Requirements

Requires in-depth proficiency in Java and 2+ years of experience with Kotlin, along with expertise in SQL and testing frameworks like JUnit and Mockito. Candidates should have hands-on experience with microservices, serverless architectures, and cloud infrastructure deployment.

Benefits

Professional Community Internal Events Udemy Access Language Courses Company-paid Certifications Internal Mobility Remote Working Possibilities Premium Medical Package through Luxmed MyBenefit Cafeteria Platform

Full description

Ciklum is looking for a Senior Java Engineer 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. Our Client provides real-time data intelligence that helps B2B organizations identify the right buyers, prioritize the right opportunities, and execute go-to-market strategies with confidence.

Responsibilities:

Write highly testable, automatable and performant code over the whole SDLC using high coding standards and software best practices
Develop product, deliver features and updates according to the product roadmap
Develop and review feature design documents and provide inputs/update to specifications for the solution
Participate in the team activities according to the methodology - daily meetings, planning, retrospectives etc)
Сoach/supervise middle/junior engineers by demand of the project

Requirements:

We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit!

Software Design

Use of best practices and patterns during application design and implementation
Hands-on experience with monolith, microservice, and serverless architectural styles

Software development:

In-depth proficiency level in Java, implementing applications using defensive programming
2+ years of experience with Kotlin
Successful cases in developing web applications using advanced framework features and industry standard conventions
Practical experience in writing and performance tuning of complex SQL

Quality Assurance:

In-depth proficiency level in JUnit, Mockito
Previous participation in constant quality improvement on the project: conducting code reviews, setting up quality metrics, and monitoring

Software Deployment:

Hands-on experience with application deployment patterns and tools
Practical experience in infrastructure configuration using popular cloud providers

Desirable

Experience in 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 premium medical package through Luxmed
Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs

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.

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.

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