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Offer summary
(Summary generated by AI based on the full job description)
The project involves developing solutions for a global investment bank. The stack uses Java and Spring Boot to build microservices and containerization with Docker and Kubernetes on Azure. Responsibilities include backend development, maintaining microservices, working with PostgreSQL/Oracle or Sybase, deploying with Docker/K8s, operating in Unix/Linux environments and collaborating with delivery teams. Offered rate is 135–160 PLN/h (B2B) for about 10 years of experience.
Senior / Lead Java Engineer
Company: OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
from: 29 October 2026
to: 28 November 2026
135 - 160 złnet (+ VAT)/ hr.B2B contract (full-time)
Salary details
Rate: 135–160 PLN/h (B2B) for around 10 years of experience; for candidates with significantly more experience the rate is negotiable individually
Offer parameters
level:senior • expert
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Java
Spring Boot
PostgreSQL
Oracle
Docker
Kubernetes
Microsoft Azure
Unix
Operating system
Linux
Our requirements
- 10–15+ years of experience with Java
- Strong experience with Core Java and Spring Boot
- Experience with microservices
- Knowledge of PostgreSQL or Oracle databases
- Experience with Docker and Kubernetes
- Experience with Azure
- Knowledge of Unix/Linux environments
- Fluent English
- Polish or EU citizenship, or a permanent residence / work permit valid for at least 12 months
Your responsibilities
- Develop backend services in Java and Spring Boot
- Build and maintain microservices
- Work with PostgreSQL, Oracle or Sybase databases
- Deploy applications using Docker and Kubernetes
- Support Azure-based solutions
- Operate in Unix/Linux environments
- Collaborate with development teams on project delivery
About the project
We are currently looking for a Senior/Lead Java Engineer to join the team of one of the world's leading global investment banks. The project is delivered together with a large international IT services company. For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.
We are looking for experienced engineers who are proactive, excel at problem-solving and are confident in taking initiative and proposing effective solutions. You will build Java / Spring Boot microservices deployed with Docker and Kubernetes on Azure.
Key Details:
Work Model: Hybrid, 3 days per week from the client's office (non-negotiable), full-time
Location: Kraków (candidates must live in or near Kraków)
This is how we organize our work
This is how we work
at the client's siteyou have influence on the technological solutions appliedyou focus on product developmentagilescrum
This is how we work on a project
- documentation
- issue tracking tools
- One interview with the IT services partner, followed by 1–3 interviews with the bank
- Technical tasks are done live: please have your programming environment set up and tested beforehand. The use of AI tools, coding assistants or code generators during interviews is not allowed
- The selected candidate will go through a background check by an external company (HireRight), covering identity, right to work, education and employment history, so the dates and employers in your CV must be accurate
- Your name in the application and CV must match your official ID document exactly (Polish citizens: please include all first names)
- Candidates who took part in a recruitment process for this IT services partner or this bank in the last 12 months cannot be considered
Interested? Apply now and help a leading Nordic bank stay ahead of security risks!
Development opportunities we offer
- external training
- mentoring
Recruitment stages
- 1.IT Partner & Bank Interviews
- 2.Technical Interview & Live Coding
- 3.Background Check
- 4.Identity Verification
- 5.Eligibility Review
OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Optiveum is acting as a sourcing partner for this role. You will be signing a cooperation agreement directly with our partner—a renowned IT contracting company with nearly 20 years of presence on the market.
The end client operates in the international public, defense, or government administration sector, leading large-scale, multi-million euro digital transformation projects.
This is how we work
Senior / Lead Java Engineer
135–160 zł / hr. (B2B)
I apply to:
OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Kraków, Lesser Poland
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