Data & Reporting Analyst (Part Time)
Zelh Open · verified Oct 24, 2026 At a glance
Mid-level Data Analysis & BI role at Zelh. Remote, Serbia · part-time.
Pay not stated Data Analysis & BI salary
dataroles summary, based on the employer's posting.
What you'll do
- Keep Power BI reports, dashboards and semantic models running, resolving refresh failures, visual defects, DAX errors and gateway problems
- Use SQL Server queries to prepare new datasets, then build or revise reports requested by Finance and Operations
- Adjust tables and relationships when source data changes, and record the model updates you make
- Watch scheduled refreshes for recurring failures and address their root causes rather than applying temporary fixes
- Handle ticketed requests, meet agreed delivery targets and provide monthly work, hours and backlog summaries
What you bring
- At least five years creating and supporting production Power BI in business settings
- Strong SQL Server skills, including joins, CTEs, window functions and query performance tuning
- Fluency with DAX and Power Query, plus a grounding in dimensional data modeling
- You can work independently through diagnosis and delivery, and explain your changes clearly in writing
Who this fits
This part-time, fractional contract suits an experienced analyst who can manage reporting work independently. The schedule is about ten to twenty hours weekly, with an async-first approach and a weekly half-hour check-in with the Finance Director.
From the employer
Zelh is a fast-growing, passionate outsourcing company.
Our mission is to be the most reliable company by offering and maintaining consistently high-quality services.
We achieve the mission by fostering long-term relationships with customers, employees, and vendors. Personal attention, timely communication, and respect for all people are the basis of our business philosophy!
At this point, Zelh is looking for a Data & Reporting Analyst (Part Time) to join our client’s team.
Responsibilities:
Maintain existing Power BI reports, dashboards, and semantic models
Triage and fix breakages: failed refreshes, broken visuals, DAX errors, gateway issues, upstream schema changes
Write and optimize SQL against our SQL Server warehouse to source new datasets
Build new reports and modify existing ones as Finance and Ops request them
Update the data model when source tables change: add tables, adjust relationships, document what you touched
Monitor scheduled refreshes and flag recurring issues with a root-cause fix, not a patch
Working model:
Async-first with a weekly 30-minute check-in with the Director of Finance
Ticket-based intake for new requests; SLA targets agreed up front (e.g., critical break = same business day; new report = 5–10 business days depending on scope)
Monthly summary of work completed, hours used, and backlog
Required
5+ years building and maintaining production Power BI in business environments
Strong SQL on SQL Server (joins, CTEs, window functions, performance tuning)
Fluent in DAX and Power Query (M)
Dimensional modeling fundamentals
Self-directed. You diagnose, decide, and ship without hand-holding
Clear written communication. You document what you changed and why
Nice to have
Prior fractional or consulting experience with mid-market companies
Manufacturing, CPG, or nutraceuticals exposure
ERP data familiarity (NetSuite, SAP, Dynamics, Sage, etc.)
Power BI service administration (workspaces, gateways, deployment pipelines)
Working conditions:
• Working schedule: Fractional / contract, ~[10–20] hours per week
• Competitive Salary in USD.
• 10 business days of paid time off, 15 - after 2 years, 7 days of Public Holidays, 3 sick leaves.
• Equipment provided.
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