Senior IT Analyst (API Domain) NEW

Jit Team; Warszawa; Hybrid; PLN 140,000 - 200,000; Full time

Job summary

Jit Team in Poland is seeking a seasoned Business/Data Analyst to contribute to a financial project focused on business and data analysis within the STO Domain API.

You will translate business requirements into clear technical designs, define data mappings, and support API contract definitions while collaborating with business stakeholders and cross-functional teams in an international setting.

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 technical designs and deliverables.
• Design and document services (contracts) around the STO Domain API and transformation rules.
• Support contract-first API definition with producers, primarily the safekeeping system.
• Define data mapping and the canonical data model.
• Coordinate requirements during quarterly / PI planning.
• Establish business rules and valid request/response examples.

Skills

Data analysis

Business analysis

Requirements analysis

Stakeholder communication

Tools

XML

XSLT

AVRO

JSON

Job description

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 duringregular 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.