Senior Software Engineer (Java)

KeepitKrakówJob.bozveřejněno 01. 05. 2026
Nutné:JavaDockerCloudBackendDevOpsQA/TestCI/CDSeniorLead

Join Keepit’s mission to secure the digital world, and build a Java engineering team from the ground up. About the role We are building a Java team in our Krakow office at Keepit, and we're looking for a Senior Java Engineer to help shape it from the ground up. You will work on our cloud-to-cloud backup platform: a distributed, high-availability system that protects the critical SaaS data of organizations worldwide. This role involves owning complex components and features end-to-end, while also driving key architectural decisions for greenfield Java backend projects. Proactiveness, initiative, and strong decision-making are essential for this role. We need someone who can set the bar, not just meet it.

You will: Lead technical design and architecture for features and services, ensuring scalability and maintainability

Participate in all phases of the software development lifecycle

Collaborate with Product, QA, Support, and Operations teams to resolve issues and deliver improvements

Maintain high code quality by clear documentation, thorough code review, and architectural improvements

Ensure system reliability, including error handling, observability, and scalability

Mentor and grow other developers; be the go-to technical authority on the team

About you Must-haves: 5+ years of backend Java development experience

Solid experience with the Spring Boot ecosystem, RESTful API design, and modern service-oriented architecture

Experience working with KeyCloak, and good understanding of Authentication and authorization systems

Solid understanding of SQL and working with relational databases

Experience with docker and containerized solutions

Familiarity with event-driven architecture (e.g. Kafka, RabbitMQ)

Experience with CI/CD pipelines and modern DevOps practices

Strong initiative and a proactive mindset, with a willingness to share knowledge in a collaborative environment

Ability to work independently and take full ownership of technical decisions

About us Our platform provides customers with an immutable, historical archive of their data in systems such as Microsoft 365, Google Workspace, Salesforce, Entra ID, Dynamics 365, and Zendesk. We protect our customers against everything, from ransomware to simple accidents. We pride ourselves on backing up hundreds of petabytes of data in a performant, reliable, and predictable way. As we collaborate across locations, English is our primary language. Please submit your CV in English to support the review process. We offer: Official employment – Umowa o pracę contract

Creative tax (KUP 50)

4 additional working days of vacation leave per full calendar year 

3 days of internal sick leave without a doctor`s note 

Health and Life Insurance

Employee Capital Plan (PPK)  

Multisport card compensation  

Coverage of professional training sessions, meetups, etc.

English-speaking club with native speakers 

Polish language classes

Internet and Glasses reimbursement

Cosy office in Krakow city centre (Długa, 72) with beverages, fruit, and cookies 

Winter and summer parties, events, team-buildings 

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