Data Specialist | Poland | Deloitte Digital
DeloittePoland2 days ago
Full-timeInformation Technology
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Description & Requirements
Who we are looking for
We are looking for a Data Specialist for Deloitte Digital team. As a Data Specialist, you’ll blend the strengths of a Senior Business Analyst, Technical Writer, Junior Data Architect, and Junior Backend Developer. Your mission: design clean data models, document APIs, and support backend flows that power products on a global stage. If you love structure, clarity, and excellent documentation — and can turn complex specs into elegant XML/JSON/YAML and developer-ready artifacts under time pressure — this role is for you.
Required Skills & Experience:
In Deloitte we support leading global organizations in optimizing and transforming their organizations. This also relates to their finance function. Our consultants offer insights, capabilities, and solutions that change the way these organizations operate and make people-related decisions.
We are currently building in Poland a dedicated team which will focus on advisory in the area of Finance & Performance. The Team will advise our Clients in complex issues relating to i.a. Reporting, Budgeting, Controlling processes. We are looking for high-energy, committed and ambitious people to join our advisory practice. Next to advising on most sophisticated and challenging issues relating to the above mentioned areas, our Consulting professionals will also advise on potential solutions leading to optimisation of the above mentioned processes. This will also include applying the newest technologies.
Are you ready to join our team and help our clients imagine, deliver, and run their future?
About the team
At Deloitte Digital, we connect creativity with technology for business. Bringing empathy, ideas, and experience into digital transformation. We’re a creative digital consultancy that fuses strategy, tech and design to identify where businesses need to be, then get them there. Fast. We work with a wide range of iconic local and global organizations, helping them understand and profit from the online and mobile revolution. We approach our work with great energy and passion as we align our client’s business aspirations to the goals of the end user.
Who we are looking for
We are looking for a Data Specialist for Deloitte Digital team. As a Data Specialist, you’ll blend the strengths of a Senior Business Analyst, Technical Writer, Junior Data Architect, and Junior Backend Developer. Your mission: design clean data models, document APIs, and support backend flows that power products on a global stage. If you love structure, clarity, and excellent documentation — and can turn complex specs into elegant XML/JSON/YAML and developer-ready artifacts under time pressure — this role is for you.
Required Skills & Experience:
- Data literacy: solid grasp of hierarchical data; XML 1.0, JSON, YAML 1.2 (scalars, sequences, mappings, nested structures).
- Data wrangling: confident in VS Code/Cursor with format/validate extensions; capable in Excel or Python for inspection & transforms.
- Programming: working knowledge of Python or TypeScript; comfortable writing Python-like pseudocode.
- REST & APIs: experience consuming and documenting APIs in OpenAPI 3.0; hands-on with Swagger Editor.
- From UI to data models: ability to translate Figma/draw.io mockups into well-structured JSON contracts.
- Data architecture (foundations): conceptual vs. logical modeling; exposure to ERDs and Logical Data Models is a plus.
- Collaboration: clear written English, crisp specs, proactive sync with engineers, designers, QA, and SMEs.
- Mindset: entrepreneurial, creative, detail-oriented; intrinsically motivated to grow in data design/modeling/programming.
- Experience writing technical documentation developers love.
- Familiarity with schema validation (XSD/JSON Schema) and versioning strategies
- Explore and analyze XML, JSON, YAML with advanced editors (VS Code/Cursor) using validation, auto-formatting, and schema checks.
- Design clean, consistent XML/JSON/YAML structures to support high-quality technical documentation.
- Document data flows with conceptual diagrams and concise pseudo-code (XPath and Python-like syntax).
- Define REST APIs in OpenAPI 3.0 (Swagger Editor experience is a plus).
- Collaborate closely with cross-functional teams (Backend, Frontend, UX/UI, QA).
- Develop & maintain reusable analytical snippets in Python; support backend tasks in TypeScript.
- Author and maintain clear specs in Confluence, with visuals in Figma/draw.io.
- Track work in Jira; keep issues, epics, and documentation in lockstep.
- Working across multiple geographies and clients
- B2B contract
- Access to new technologies
- Personal development training
- Wellbeing initiatives
- Internal career development program
In Deloitte we support leading global organizations in optimizing and transforming their organizations. This also relates to their finance function. Our consultants offer insights, capabilities, and solutions that change the way these organizations operate and make people-related decisions.
We are currently building in Poland a dedicated team which will focus on advisory in the area of Finance & Performance. The Team will advise our Clients in complex issues relating to i.a. Reporting, Budgeting, Controlling processes. We are looking for high-energy, committed and ambitious people to join our advisory practice. Next to advising on most sophisticated and challenging issues relating to the above mentioned areas, our Consulting professionals will also advise on potential solutions leading to optimisation of the above mentioned processes. This will also include applying the newest technologies.
Are you ready to join our team and help our clients imagine, deliver, and run their future?
About the team
At Deloitte Digital, we connect creativity with technology for business. Bringing empathy, ideas, and experience into digital transformation. We’re a creative digital consultancy that fuses strategy, tech and design to identify where businesses need to be, then get them there. Fast. We work with a wide range of iconic local and global organizations, helping them understand and profit from the online and mobile revolution. We approach our work with great energy and passion as we align our client’s business aspirations to the goals of the end user.
Key Skills
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