Crypto Data Analyst: Blockchain Transactions & Tax Insights

Validvent; Wien; On-site; EUR 53,000 - 65,000; Full time

Job summary

Validvent Technology GmbH in Vienna is seeking a data-focused professional to process and analyse large cryptocurrency transaction datasets across multiple blockchains. You will validate raw data exports and resolve data gaps, working with crypto tax software and communicating with international clients in English.

The role requires a university degree (3+ years), 1+ year of relevant experience, strong English (C1), and a precise, structured working approach. German language skills are a plus.

Qualifications

• Completed university degree (minimum duration of study: 3 years).
• At least 1 year of professional experience analysing cryptocurrency transaction data (exchanges, wallets, blockchains).
• Very good English skills (C1 or higher).
• Accurate and structured way of working.

Responsibilities

• Processing and analysing large transaction datasets from exchanges and wallets across multiple blockchains.
• Quality control and validation of raw data exports from centralised exchanges (CEXs) and wallets.
• Identifying and resolving data gaps, duplicates and incorrect transaction categorisations.
• Working with crypto tax software (e.g. Blockpit, CoinTracking, Koinly).
• Researching export formats, blockchain protocols and DeFi platforms.
• Communicating with international clients in English and other languages, including onboarding and ongoing support.
• Case management and follow-up in the CRM.

Skills

Crypto data analysis

English communication

Attention to detail

Education

University degree (3+ years)

Tools

Crypto tax software

Blockchain explorers

Job description

Validvent Technology GmbH in Vienna is seeking a data-focused professional to process and analyse large cryptocurrency transaction datasets across multiple blockchains. You will validate raw data exports and resolve data gaps, working with crypto tax software and communicating with international clients in English.

The role requires a university degree (3+ years), 1+ year of relevant experience, strong English (C1), and a precise, structured working approach. German language skills are a plus.