For our client, a leading global provider of end-to-end software and cloud technology solutions, we are looking for a hands-on Technical Consultant to strengthen the technical backbone of ERP implementations based on Microsoft Dynamics 365 Business Central.
In this role, you will operate in the “engine room” of the transformation—focusing on data migration, system integration, and technical solution delivery within ERP environments. You will work closely with architects and implementation teams to ensure robust, scalable, and high-quality system landscapes. This is a full-time remote contract role, we preferably seek candidates based in Serbia or Poland.
Key Responsibilities:
Prepare and support financial data migration into Microsoft Dynamics 365 Business Central (ERP)
Structure, cleanse, and validate general ledger, subledger (AP/AR), and fixed asset data
Support data loading activities including journals, opening balances, and master data
Ensure accuracy and completeness of financial data prior to migration
Assist in fixed asset setup, migration, and reconciliation
Support finance teams during data validation and reconciliation cycles
Identify and resolve data inconsistencies in collaboration with business stakeholders
Contribute to migration templates, data structures, and validation rules
Document data preparation steps and reconciliation results
Profile:
Degree in Finance, Accounting, Business Information Systems, or similar
3–5 years of experience in finance operations or finance systems
Strong understanding of GL, AP, AR, and fixed assets
Experience with ERP systems (Business Central or similar)
Good understanding of data handling, Excel, and basic SQL is a plus
Detail-oriented with a strong focus on data accuracy and consistency
Hands-on, structured working style
Fluent in English; German language skills are a strong plus
What we are really looking for:
Someone who enjoys working “under the hood” of ERP systems
Strong ownership mindset – getting things done, not just designing concepts
Experience in complex ERP landscapes with multiple integrations
High attention to detail when it comes to data quality and consistency
General Conditions:
Start Date: Available to start immediately
Workload: 100% (full-time)
Working Model: Remote
Duration: Long-term project with option to extend

Callista is a Swiss IT company specializing in providing experts and teams for consulting and engineering. With many years of experience in designing and building enterprise platforms and a clear focus on Agentic AI, we are shaping the digital future of our clients. We combine the proximity and quality of a Swiss partner with the scalability of our Nearshore Center and our Managed AI Agents.
We combine consulting on Data Platforms & Agentic AI with flexible staffing – delivering the right experts to immediately strengthen your team.