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Offer summary
(Summary generated by AI based on the full job description)
The project involves the Atlassian Data-Replica platform for the financial sector, focusing on data integration and synchronization. Key technologies include Java, Spring Framework, PostgreSQL, ETL, microservices, and partly React. Responsibilities cover backend design and development, database optimization, ETL and API maintenance, operational support, and collaboration in an Agile environment. Benefits include private healthcare, Multisport card, and access to training.
from: 18 June 2026
to: 18 July 2026
27 000 - 29 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Spring Framework
PostgreSQL
Jira
Confluence
Optional technologies
AWS
Microsoft Azure
Google Cloud Platform
Jenkins
Linux
AIX
WAS
Operating system
Windows
Our requirements
- 5+ years in Java development (preferably with Spring Framework).
- Proficiency in at least two of the following: API development, PostgreSQL database management, ETL workflows, React.
- Good understanding of microservices architecture and RESTful API design.
- Experience working in Agile environments with tools like Jira and Confluence.
- Excellent analytical and troubleshooting skills.
- Strong interpersonal and communication skills in English (B2+).
Optional
- Experience with cloud platforms (AWS, Azure, GCP).
- Knowledge of CI/CD toolchains (e.g., Jenkins).
- Background in Linux/AIX/WAS system administration.
Your responsibilities
- Collaborate with engineers, architects, and stakeholders to design, build, and operate backend services for data integration and replication.
- Develop, implement, and maintain ETL workflows and APIs to ensure reliable data synchronization.
- Optimize PostgreSQL databases, ensuring scalability, reliability, and performance.
- Deliver new features and solutions while maintaining high standards of maintainability and security.
- Troubleshoot technical challenges and provide effective operational support.
- Contribute to an Agile CI/CD environment, ensuring frequent high-quality releases.
- Participate in code reviews, automated testing, and knowledge-sharing sessions.
- Demonstrate commitment to continuous learning and professional growth within the team.
- Note: Detailed project information will be shared during the recruitment process.
About the project
Are you passionate about building scalable solutions and seamless data integration? We are looking for an experienced Senior Fullstack Engineer to join the Collaboration Hub team, where you will help develop and maintain the Atlassian Data-Replica platform for one of the world’s leading financial institutions.
In this role, you will design, implement, and maintain backend services enabling reliable data integration and synchronization between Atlassian platforms and HSBC systems. You will work on robust ETL workflows, PostgreSQL database management, and scaling solutions in a microservices-based architecture. This position offers an opportunity to make a significant impact on enterprise productivity by building high-quality, secure, and efficient solutions in a collaborative, agile environment.
This is how we organize our work
This is how we work
at the client's siteagile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
What we offer
- Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
- Hybrid work setup – 6 days a month from the office in Kraków
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Senior Fullstack Engineer
27k–29k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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