Senior IT Analyst (API Domain)

Jit Team; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work

International teams

Scandinavian culture

English language daily

Job summary

Jit Team in Warsaw is seeking a seasoned Business/Data Analyst to drive analysis, data modeling, and API design for STO Domain API projects. You will translate business requirements into technical designs and collaborate with cross-functional teams across delivery and source-system domains.

Responsibilities include defining data models, canonical data definitions, and planning inputs for quarterly cycles; ensuring alignment of data and system dependencies with business rules and contract-first

Qualifications

• 5+ years of experience in business analysis, data analysis, or related roles.
• Strong data analysis and mapping capabilities.
• Ability to translate business rules into concrete examples and acceptance criteria.
• Ability to work across business, consumer, and source-system teams.
• Understanding of custody positions, subpositions, reservations, and corporate actions.
• Knowledge of data description using XML, XSLT, JSON, and AVRO.

Responsibilities

• Analyse and align business requirements, data models, system flows, and dependencies, and translate them into clear technical designs and implementable delivery tasks.
• Design and document services (contracts) in and around the STO Domain API, including rules for transformation logic.
• Support contract-first API definition with producers, primarily the safekeeping system.
• Define data mapping and the canonical data model.
• Raise and coordinate requirements during quarterly/PI planning.
• Establish business rules and valid request and response examples.

Skills

Strong data analysis

Data mapping

Requirements translation

Cross-team collaboration

Tools

XML

XSLT

JSON

AVRO

Job description

Work model: hybrid from Warsaw (2/3 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

You will be involved in a financial project focused on business and data analysis within the STO Domain API.

The role centers on translating business requirements into clear technical designs, defining data structures and mappings, and supporting API contract definitions. You will collaborate with business stakeholders, consumer teams, and source-system teams to ensure alignment of requirements, data models, and system dependencies. The project also involves establishing business rules, defining canonical data models, and supporting planning activities across delivery teams.

Responsibilities you'll have

• Analyse and align business requirements, data models, system flows, and dependencies, and translate them into clear technical designs and implementable delivery tasks
• Design and document services (contracts) in and around the STO Domain API, including rules for transformation logic
• Support contract-first API definition with producers, primarily the safekeeping system
• Define data mapping and the canonical data model
• Raise and coordinate requirements during quarterly/PI planning
• Establish business rules and valid request and response examples

Expected competences and knowledge

• 5+ years of experience in business analysis, data analysis, or related roles
• Strong data analysis and mapping capabilities
• Ability to translate business rules into concrete examples and acceptance criteria
• Ability to work across business, consumer, and source-system teams
• Understanding of custody positions, subpositions, reservations, and corporate actions
• Knowledge of data description using XML, XSLT, JSON, and AVRO

Technologies you'll work with

• STO Domain API
• XML
• XSLT
• AVRO
• JSON

Client – why choose this particular client from the Jit portfolio?

Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.