Expert IT Analyst for API Domain

Ework Group WARSZAWA 2026-08-25

Required Skills & Experience


  • 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.
  • Data description in XML, XSLT, JSON, AVRO
For our Client from banking industry we are looking for 🔹Expert IT Analyst for API domain🔹




Location: Warsaw - 3 days a week from the office

Type of agreement: B2B contract


Ework Group - founded in 2000, listed on Nasdaq Stockholm, with around 13,000 independent professionals on assignment - we are the total talent solutions provider who partners with clients, in both the private and public sector, and professionals to create sustainable talent supply chains.


With a focus on IT/OT, R&D, Engineering and Business Development, we deliver sustainable value through a holistic and independent approach to total talent management.


By providing comprehensive talent solutions, combined with vast industry experience and excellence in execution, we form successful collaborations. We bridge clients and partners & professionals throughout the talent supply chain, for the benefit of individuals, organizations and society.



We offer:

  • B2B agreement
  • Transparent working conditions with both Ework and the client
  • Current support during our cooperation
  • Possibility to work in an international environment
  • Collaborative environment in Swedish organizational culture

,[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 transforming logic., Support contract-first API definition with producers, mainly the safekeeping system., Define data mapping and the canonical data model., Raise and coordinate requirements in quarterly/PI planning., Establish clear business rules and valid request and response examples.] Requirements: Data analysis, Requirements analysis, XML