Senior Associate, Full-Stack Engineer

For our Client - leader in investment banking in Poland, we are seeking a future team member for the role of Senior Associate, Full-Stack Engineer

Location: Wrocław, Poland (hybrid - 4 days per week in office, 1 day remote)

How you will make an impact:

• Participate in the technical design, development, and implementation of application systems
• Design and develop well‑structured, testable, and efficient code
• Create test transactions and develop documentation describing installation and operating procedures
• Utilize standard development procedures and techniques to build programs of moderate complexity, including match/merge processing and use of internal program tables
• Follow the Software Development Life Cycle with an AI‑first mindset
• Analyze, design, and develop automated test suites and quality assurance procedures
• Develop flowcharts, layouts, and documentation to support business and technical requirements
• Maintain software functionality and currency by addressing technical debt and driving continuous improvement
• Actively participate in code reviews and integrate software components into fully functional systems
• Apply security, privacy, and risk management principles throughout the development lifecycle
• Execute full lifecycle software development, including troubleshooting, debugging, and upgrading existing systems
• Participate in deployment activities in compliance with all change management controls
• Provide ongoing maintenance, support, and enhancements to existing platforms
• Offer recommendations to improve performance, scalability, and reliability
• Design and develop backend features and components
• Provide application development services and technical support in complex scenarios
• Lead technical design, development, and documentation for cross‑functional, multi‑platform systems
• Support deployment, maintenance, and continuous improvement initiatives
• Contribute to engineering excellence through collaboration, code reviews, and best‑practice adoption

What we are looking for:

• Bachelor’s degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience
• 7+ years of software development experience with Java, Spring, and Angular, Oracle
• Strong experience building web applications using Java, Spring, Spring Boot, and Angular (16+)
• Proficiency in Core Java, J2EE frameworks, Web Services, HTML/CSS, Web 2.0, and MySQL/Oracle databases
• Experience working in Agile delivery environments
• Experience with LLMs and prompt engineering is a plus

Benefits & Rewards

• Highly competitive compensation, benefits, and wellbeing programs rooted in a culture of excellence and a pay‑for‑performance philosophy. You’ll have access to flexible global resources and tools to support your personal and professional journey. Our Client prioritize your health, resilience, and financial wellbeing, and offer generous paid leave — including volunteer time — to support you and your family through life’s important moments.

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361