Senior Fullstack Java Engineer

Antal Poland; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private medical care (Luxmed)

Multisport card

Collaborative team culture and modern技

Job summary

Antal is seeking a Software Engineer in Kraków to contribute to FX platforms for institutional clients. You will work in a hybrid setup with 2 office days per week and remote the rest.

You will join a modern microservices stack, apply DevOps practices, and participate in the full SDLC, from design to production support. The role requires 5+ years Java fullstack experience, Spring/Boot, and strong collaboration in Agile teams.

Qualifications

• 5+ years hands-on Java fullstack experience.

Responsibilities

• Design, develop, test, and maintain Java-based applications on Linux with SQL databases.
• Build microservices-based solutions for high availability and performance in trading systems.
• Participate in the full software development lifecycle from requirements to deployment and production support.
• Apply Agile development methodologies and contribute to iterative, continuous delivery practices.
• Take ownership of services, including monitoring, troubleshooting, and resolving production issues.
• Automate testing, deployment, and operational processes to improve reliability and delivery efficiency.
• Ensure applications comply with internal cybersecurity standards and remediate vulnerabilities.
• Support production systems in a shared operations model, including daytime monitoring and occasional out-of-hours incidents.

Skills

Java fullstack

Microservices

Spring/Boot

Java

Agile methodologies

Education

Engineering degree

Tools

MySQL

Oracle

PostgreSQL

MongoDB

Job description

Location: Kraków, hybrid work model – 2 days per week in the office, 3 days remote
Cooperation model:[Full-time / B2B]
Project for our Client from the financial sector

Role Overview:

As a Software Engineer you will contribute to the development and support of mission-critical Foreign Exchange (FX) platforms serving institutional clients worldwide. You will work in a highly collaborative, global environment where technology plays a central role in delivering innovative financial market solutions.

Working within a modern microservices architecture, you will help deliver scalable, high-performance solutions while embracing DevOps and Agile practices.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications running on Linux platforms and integrated with SQL databases (Sybase, Oracle, and PostgreSQL)
• Build and enhance microservices-based solutions, ensuring high availability, scalability, and performance of financial trading systems
• Participate in the full software development lifecycle, from requirements analysis and design through implementation, testing, deployment, and production support
• Apply Agile development methodologies and contribute to iterative, continuous delivery practices
• Take ownership of services throughout their lifecycle, including monitoring, troubleshooting, and resolving production issues
• Automate testing, deployment, and operational processes to improve system reliability and delivery efficiency
• Ensure applications comply with internal cybersecurity standards and promptly remediate identified vulnerabilities
• Support production systems as part of a shared operational responsibility model, including participation in daytime monitoring and occasional out-of-hours incident resolution

Requirements:

• 5+ years hands‑on experience as a Java fullstack engineer, well know the concept of micro‑services and familiar with Spring/Boot
• Proficiency with server side languages such as Java (nodeJs, Ruby, Golang would be a plus)
• Familiarity with database technology such as MySQL, Oracle, PostgreSQL, MongoDB
• Degree in engineering, information systems or related
• Prior experience in financial services/investment banking will be highly valuable
• A problem‑solving attitude
• Creating clean, high‑quality and secure solution
• Exposure to Agile methodologies

Private medical care (Luxmed)

Multisport card

Collaborative team culture and modern tech stack

Why apply for an Antal job offer?

About Antal

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.