Senior Software Engineer

Senior Software Engineer

Miejsce pracy: Kraków

Technologies we use

Expected

• Java
• SQL
• PostgreSQL

Operating system

• Windows

About the project

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?

This is how we organize our work

This is how we work

• agile

Your responsibilities

• 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.

Our requirements

• 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

Optional

• 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

What we offer

• 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

This is how we work on a project

• Continuous Deployment
• Continuous Integration

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

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.

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.