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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on high-availability backend systems for FX Cash operations within a regulated environment. Technologies include Java, Go, Rust, PostgreSQL, ClickHouse, Kubernetes, and GCP. Responsibilities involve designing and developing scalable microservices, creating RESTful APIs, ensuring security, and working within CI/CD frameworks. Benefits include health care, Multisport, life insurance, and training budgets.
from: 12 June 2026
to: 12 July 2026
28 000 - 34 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Java
Rust
Go
PostgreSQL
ClickHouse
Kubernetes
Optional technologies
Google Cloud Platform
Operating system
Windows
Our requirements
- 10+ years in software engineering with strong backend development experience in Java.
- Proven ability to design technical architecture/solutions for large-scale backend systems.
- Deep expertise in handling high-volume data processing and distributed computing environments.
- Hands-on experience with Go, Rust, or similar systems programming languages.
- Hands-on experience with Database technologies (relational, NoSQL, columnar, analytical) such as PostgreSQL, ClickHouse or similar.
- Hands-on experience with running services on Kubernetes and cloud platforms (preferably GCP).
- Familiarity with CI/CD tools and security practices.
- Additional advantage: Front-end development experience.
- Domain knowledge: Banking processes, trade lifecycle and post-trade processing for financial products, especially FX.
Your responsibilities
- Design and implement high-performance, high-availability backend systems.
- Develop microservices and RESTful APIs using modern Java with HTTPS, messaging (MQ), and distributed architecture principles.
- Collaborate with cross-functional teams, ensuring scalability, maintainability, and adherence to cyber security standards.
- Work within a modern software engineering methodology framework including CI/CD pipelines.
- Provide technical input to system architecture ensuring optimal performance and reliability.
- Note: Detailed project information will be shared during the recruitment process.
About the project
We are looking for an experienced Senior Backend Engineer who will design and develop robust, high-availability systems in a dynamic and highly regulated environment. This role involves creating scalable and secure backend solutions for FX Cash operations, leveraging cutting-edge technologies.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
agilescrum
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 – 8 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 Software Engineer
28k–34k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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