Senior Business Analyst – Trading & Reference Data (f/m/x)

Analytics

Senior Business Analyst – Trading & Reference Data (f/m/x)

Analytics
-, Białystok

Sii

Full-time
B2B, Permanent
Senior
Remote

Job description

We are looking for an experienced Senior Business Analyst to join an international project delivered for a leading organization operating in the financial market infrastructure and trading environment. The role focuses on the reference data domain within trading systems and involves close collaboration with both business and technology teams in a fast-paced, global environment.

The successful candidate will be responsible for analysing complex business processes and datasets, modelling requirements, and producing high-quality functional documentation supporting the development and integration of trading platforms and data systems.


Your tasks

  • Analysing and refining business requirements related to trading systems and reference data

  • Modelling business processes and data structures using UML (including sequence diagrams and data models)

  • Creating and maintaining high-quality documentation, including business requirements, functional specifications, and interface specifications

  • Analysing and modelling core datasets used in financial and trading systems

  • Collaborating with business stakeholders, IT teams, and architects to clarify requirements and ensure alignment of solutions

  • Supporting initiatives related to trading domains, such as on-book/off-book trading, reference data management, and regulatory topics (e.g., MiFID)

  • Translating complex business and data requirements into clear, structured, and actionable deliverables

  • Working in a fast-paced, evolving environment, ensuring clarity and consistency across project stakeholders


Requirements

  • At least 8 years of experience in business analysis or requirements engineering, ideally within trading or broader financial services

  • Extensive expertise in reference data and reference data systems, including hands-on experience in modelling and analysing datasets

  • Good knowledge of UML, with proven experience in data modelling and process modelling

  • Experience with modelling tools used for diagram creation and documentation generation

  • Proven ability to produce clear and well-structured documentation, including business and functional specifications as well as interface specifications

  • Ability to translate complex business and data requirements into clear, actionable deliverables

  • Strong stakeholder collaboration skills, with the ability to work effectively in dynamic and evolving environments

  • Fluency in English (spoken and written) – mandatory

  • Fluent Polish required

  • Residing in Poland required


Nice-to-have requirements

  • Spanish language skills

Tech stack

    Polish

    C1

    English

    C1

    UML

    advanced

Office location

Published: 06.03.2026

Senior Business Analyst – Trading & Reference Data (f/m/x)

Summary of the offer

Senior Business Analyst – Trading & Reference Data (f/m/x)

-, Białystok
Sii
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Wyrażam zgodę na przetwarzanie moich danych osobowych zamieszczonych w niniejszym CV przez Sii sp. z o.o. z siedzibą przy Al. Niepodle... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.