Senior Software Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

We are seeking an experienced Java Application Specialist to join our Front-to-Back Trading Technology Team , delivering innovative solutions for Credit Derivatives and Interest Rate Derivatives workflows . You will develop mission-critical applications that enable real-time risk management , improve resiliency, and enhance DevOps/tooling ecosystems across the trading stack.

The role requires a mix of technical expertise, leadership in application development, and strong stakeholder collaboration to improve efficiency and modernize our technology landscape. This is a great opportunity for engineers passionate about trading technology, high-performance systems, and AI-based automation .

Sounds like your kind of challenge?

What you'll be doing

• Design and build scalable, high-performance back-end solutions using market-leading technologies
• Act as an Application Specialist for front-to-back systems supporting Credit and IR derivatives trading
• Deliver sustainable tooling infrastructure for DevOps, release management, monitoring, and resiliency
• Drive modernization and improvements in existing tech stack, processes, and tooling
• Collaborate in architecture and design reviews, presenting improvements in engineering forums
• Ensure the system supports real-time risk management requirements for global trading workflows
• Mentor team members on engineering best practices and AI-driven tooling adoption

Note: Detailed project information will be shared during the recruitment process.

What you get in return

• Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
• Hybrid work setup – remote days available depending on the client’s arrangements - 2 days a week 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

Who we're looking for

• 7+ years of hands-on experience in Java backend development , building RESTful services and microservices
• Expertise in high-availability service architectures designed for performance and resiliency
• Solid experience with SQL and relational databases (PostgreSQL or Sybase), with performance optimization knowledge
• Hands-on experience with AI development tools and models applied to software engineering efficiency
• Proven track record of owning and delivering Java-based modules or services in production environments
• Excellent communication and presentation skills; fluent in English
• Strong problem-solving and analytical capabilities, with ability to handle pressure in mission-critical environments
• Passionate about technology: continuous learner, always exploring new tools and patterns
• Team player mindset with collaborative approach in a global, fast-paced environment

Nice to Have

• Experience supporting production environments and troubleshooting under SLA
• Familiarity with Agile frameworks , Continuous Integration (CI), and Continuous Deployment (CD) workflows
• Domain knowledge in banking or financial trading systems

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.

Ready to take the next step? Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit? Feel free to share this opportunity using the referral link: Mindbox Referrals System