Senior IT Analyst

Billennium; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Udemy for Business

Private medical care

Multisport card

Language lessons

Shopping vouchers

Flexible hours

Job summary

Billennium seeks an IT Analyst with 5+ years in software projects, focusing on requirements analysis, system integration design, and close collaboration with technical teams to deliver key business initiatives. The role supports banking sector client delivery with agile ceremonies and cross-team coordination.

The ideal candidate will model integration using UML, craft specifications with Swagger, and apply SQL knowledge across distributed systems. Fluency in Polish and English is required.

Qualifications

• 5+ years of IT/System Analyst experience in software development projects.
• Strong knowledge of integration technologies (Web Services, Microservices, SOA).
• UML-based system modeling experience.
• Experience with CASE tools such as Enterprise Architect or PlantUML.
• Knowledge of SQL and relational databases.
• Fluent in Polish and English (B2/C1).

Responsibilities

• Validate business requirements from internal stakeholders and define functional/non-functional needs.
• Design and model system integration processes using UML diagrams.
• Prepare integration specifications using Swagger and collaborate with architects and developers.
• Coordinate technical and project dependencies across multiple IT teams and participate in Scrum ceremonies.
• Support implementation with initial integration testing and issue analysis.

Skills

Web Services

Microservices

SOA

UML modelling

SQL

Relational databases

English (B2/C1)

Polish fluency

Education

University degree in Computer Science / IT / Economics or related field

Tools

Enterprise Architect

PlantUML

Job description

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!

For our Client from the banking sector, we are looking for an IT Analyst with a minimum of 5 years of experience, who will be responsible for requirements analysis, system integration design, and close collaboration with technical teams to deliver key business initiatives.

What you will do:

• Validate business requirements from internal stakeholders, ensuring both functional and non-functional requirements are properly defined.
• Design and model system integration processes using UML diagrams, including use case, sequence, activity, and component diagrams.
• Prepare detailed integration specifications using tools such as Swagger and collaborate closely with architects and developers on technical solutions.
• Coordinate technical and project dependencies across multiple IT teams while actively participating in Scrum ceremonies.
• Support implementation activities by conducting initial integration testing and analyzing system issues and defects.

What we're looking for:

• At least 5 years of experience as an IT/System Analyst in software development projects, ideally within the banking, financial services, or insurance sector.
• Strong knowledge of integration technologies and concepts, including Web Services, Microservices, and SOA, as well as UML-based system modeling.
• Hands-on experience with CASE tools such as Enterprise Architect, PlantUML, or similar, and practical knowledge of SQL and relational databases (CRUD operations).
• Good understanding of distributed systems architecture and proven ability to analyze business requirements and translate them into technical solutions.
• University degree in Computer Science, Information Technology, Economics, or a related field, with English proficiency at B2/C1 level and fluent Polish.

Nice to have:

• Experience with Kibana and Grafana.

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 opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: 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 - Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
• Team-building events including our company tradition (annual company event in Mazury).
• A pleasant surprise to start your journey with us in the form of a welcome pack.