Senior Business Analyst

🔸IMPORTANT NOTE 🔸

We’re looking for someone with a notice period of up to one month.

Work mode: hybrid (1 day per week in the office)

Location: Warsaw 

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

About the Client

Our client is a leading international bank delivering advanced digital solutions and enterprise systems supporting financial services. You will join a cross-functional IT team working on integration-heavy projects in a distributed systems environment.

What you will do

• Validate business requirements (functional and non-functional) in collaboration with internal stakeholders
• Design system integrations using UML diagrams (use case, sequence, activity, component diagrams)
• Prepare detailed integration specifications using tools such as Swagger
• Collaborate closely with architects and developers to define technical solutions
• Coordinate technical and project dependencies across multiple IT teams
• Perform initial integration testing and support defect analysis
• Participate in Agile ceremonies (SCRUM) and contribute to iterative delivery

What we are looking for

• Minimum 5 years of experience as a Business/System Analyst in IT projects
• Strong experience in requirements analysis and system modeling
• Good understanding of integration concepts (Web Services, Microservices, SOA)
• Practical knowledge of UML and experience with tools such as Enterprise Architect or PlantUML
• Experience working with MS SQL
• Understanding of distributed systems architecture
• Higher education degree (IT, economics, or related fields)
• Good English communication skills (B2/C1, spoken and written)

Nice to have

• Experience in banking or insurance projects
• Familiarity with Kibana and Grafana

Soft skills

• Willingness to learn and continuously develop skills
• Strong communication and teamwork abilities
• Good organization, independence, and attention to detail

Perks and benefits

• Comprehensive benefits – enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers
• Flexibility – adaptable working hours and remote/hybrid work options to suit your lifestyle & location
• Career growth – access to professional development opportunities and partnerships with Microsoft, AWS, Snowflake, Salesforce & more
• Global collaboration – work with a diverse, international team
• Innovative environment – be part of a forward-thinking and growth-oriented workplace
• Engaging community – participate in team-building events, hackathons, and CSR initiatives
• A pleasant surprise to start your journey with us in the form of a welcome pack

Recruitment process

• HR call
• Interview with the dedicated client
• Final decision / feedback

👉 Sounds interesting? Click “Apply” and let’s talk