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CSV Experts in Berlin

in minutes from over 15,000 CVs with the power of AI

Hire experts who handle CSV exports, imports, validation, and data cleaning for reporting, migration, and integration work. Work with specialists who know comma-separated values, Excel-ready files, and pipe-delimited variants, matched fast from vetted, available freelancers.

Meet FRATCH Experts in Berlin, who have recently used CSV

Verified expert

Fernando Camargo Del Buono

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Senior Front-End Developer

Berlin
Fernando Camargo Del Buono

Last position:

Senior Front-End Developer at Moss

  • Moss is a spend-management platform for SMEs that bundles corporate cards, web-based applications and reimbursements, AP/procurement and advanced accounting in one place.
  • Splits time across Accounting, Spending and Growth tribes, handling requirements gathering, public product design, coding, testing, debugging and internal apps.
  • Participates in development and maintenance of the design system/UI kit and supports tooling, documentation and developer experience.
  • Builds form-heavy UIs, drawer-based editing, high-density/resilient tables with server-side filters, pagination, column configurations, CSV/Excel export and bulk operations, all wired for permissions and auditability.
  • Works with complex cross-entity relationships without a single-schema solution.
  • Uses React, Redux Toolkit, styled-components, react-hook-form, React PDF, Vite, Lokalise, React Testing Library and Playwright.
Verified expert

Ola Van Dunen

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IT Lecturer

Berlin
Ola Van Dunen

Last position:

IT Lecturer

  • IT training in theory and practice for IT specialists in application development and system integration
Verified expert

Andrej Becker

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Lead UX Design Engineer

Berlin
Andrej Becker

Last position:

Lead UX Design Engineer at Journexx GmbH

  • Leading, designing, and developing the UX and UI strategy and implementing it for the platform
  • Creating style guides and design systems in Figma
  • Creating a generic end-to-end layout structure for big data cockpits in Figma and Sass (CSS, design tokens)
  • Workflows, wireframes, user research, and rapid prototyping
  • Preparing and facilitating workshops and discoveries
  • Integrating designs and layouts into existing frontend templates
  • Prototyping (low-/mid-/high-fidelity) of various apps for journalists and publishers
  • Developing showcases for iOS and Android, design thinking, qualitative and quantitative user testing, and A/B testing
  • Frontend development in close collaboration with design teams
  • Active change management in the publishing and journalism sector and with stakeholders
  • Company-wide communication and info hub for teams
  • Raising awareness and getting buy-in for digitalization and new products
  • Creating concepts and designs for gamification elements on the platform
  • Convincing major industry players (e.g., WAN-IFRA) about new concepts and revenue streams
  • Developing new cloud-native apps and revenue strategies
  • Preparing and creating various materials for change processes
  • Creating presentations, mini-apps, and info materials to support change campaigns
  • Leading a total of three teams
Verified expert

Fady Kuzman

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Senior Software Developer / Tech Lead

Berlin
Fady Kuzman

Last position:

Senior Software Developer / Tech Lead at Specific Objects Technologies GmbH

  • Project 1: Multi-Tenant SaaS Platform: Data Integration & Pricing Management
  • Objective: New development of ELT pipeline (replacement for Java 6 legacy), integration of heterogeneous source systems (CSV, Excel, Email, external DBs), event-sourcing for complete auditability, multi-tenant architecture for tenant-capable data processing
  • Challenge: Processing millions of records daily, audit compliance, data isolation between different tenants
  • Solution: Stakeholder workshops for requirements analysis, event-driven architecture with Axon Framework and Apache Kafka, AWS services (EC2, S3, Lambda, SQS, API Gateway) for cloud integration, PostgreSQL with tenant-specific schemas for multi-tenant data isolation, REST API design with Spring Boot for external system integrations, comprehensive testing strategy (JUnit, Spring Test, Postman, PACT, ArchUnit)
  • Results: ELT performance improved from 30+ min to 1-5 min; 2-3 hours daily saved through workflow automation; 10-20 hours/week saved through event-sourcing auditability; 100% audit compliance; secure multi-tenant data isolation for 10+ tenants
  • Project 2: Multi-tenant CRM System Modernization
  • Objective: Migration of CRM system (20+ years PHP/MySQL) to Java microservices, Domain-Driven Design implementation, establishment of Test-Driven Development, multi-tenant-capable SaaS architecture for multiple customer tenants
  • Challenge: Remodeling complex business logic, no existing test culture, scalable tenant management with data isolation
  • Solution: Comprehensive testing strategy (JUnit, Spring Test, Postman, PACT, ArchUnit), multi-tenant architecture with tenant-specific databases, REST API design with Spring Boot for cross-tenant integration, Kubernetes and Docker for container orchestration
  • Results: 2× performance improvement; deployment time reduced from 40+ min to 5-7 min; migration without production outages; scalable multi-tenant solution for 15+ customer tenants
  • Technologies: Java, Spring Boot 3.x, Angular, Apache Kafka, AWS (EC2, S3, Lambda, SQS, API Gateway), PostgreSQL, Axon Framework, Kubernetes, Docker, GitLab CI, REST API
Verified expert

Ola Akinmade

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Freelance BI Consultant & Analyst

Berlin
Ola Akinmade

Last position:

Freelance BI Consultant & Analyst at DocMorris

  • Data / product analysis & visualisation in Tableau Desktop
  • Stakeholder Management
Verified expert

Jürgen Groen

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Data Analysis & Harmonization

Berlin
Jürgen Groen

Last position:

Data Analysis & Harmonization at Various clients/consulting partners

  • Analysis and harmonization of master data
  • Analysis of product and customer portfolios and KPI identification
  • Preparation and harmonization of raw material master data for migration
  • Marketing and customer support as well as organization at real estate agencies
Verified expert

Srikar Kodi

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Application Developer

Berlin
Srikar Kodi

Last position:

Application Developer at Vavili Technologies

  • Played a key role in developing templeswiki.com as a Full Stack Developer, building and optimizing multiple pages and microservices to ensure a responsive and user-friendly experience.
  • Developed an interactive chatbot integrated with Natural Language Processing (NLP) to enhance user engagement and streamline customer interactions within the application.
  • Built a robust ETL pipeline using Python to generate multi-language labels, facilitating seamless content translation across languages.
  • Led the QA team by crafting a comprehensive test plan to rigorously test and ensure the application's smooth operation, alongside developing an in-house attendance recording tool to improve organizational efficiency.
Verified expert

Varsha Sehrawat

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Embedded Engineer (Working Student)

Berlin
Varsha Sehrawat

Last position:

Embedded Engineer (Working Student) at Lautsprecher Teufel GmbH

  • Proficient in using JIRA for sprint planning, bug reporting, and task management.
  • Modified and enhanced embedded C/C++ firmware code on STM32, ESP32 and ARM-based MCUs and SoCs.
  • Debugged and fixed embedded software issues; managed code with Git/GitLab (commits, merge requests, reviews).
  • Created and maintained test cases and test plans using Testmo.
  • Debugged and validated firmware builds; provided detailed bug reports.
  • Executed manual tests across development stages.
  • Familiar with RTOS concepts and implementation, including task scheduling and interprocess communication for real-time embedded systems.
  • Managed planning and execution of acceptance and regression testing.
  • Supported mobile app and system-level testing for audio streaming device.
  • Tested communication protocols (HTTP, I2C, SPI, UART) and API interactions.
  • Used terminal tools and SSH to debug embedded Linux systems.
Verified expert

Karthikeyan A

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Cryptocurrency Price Prediction using Machine Learning Algorithms

Berlin
Karthikeyan A

Last position:

Cryptocurrency Price Prediction using Machine Learning Algorithms

  • Designed, implemented, and evaluated multiple machine learning models (e.g., regression, time series, neural networks) to forecast cryptocurrency prices, incorporating data preprocessing, feature engineering, and model optimization for improved predictive accuracy.
  • Performed in-depth data exploration and visualization on large cryptocurrency datasets, using tools like Python and libraries such as Pandas and Matplotlib to identify trends and patterns.
Verified expert

Boris Manyshev

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SAP ABAP OO Consultant

Berlin
Boris Manyshev

Last position:

ITZBund

  • eInvoicing project
  • SAP ABAP OO development
  • workflow
  • OpenText

Discover over 15,000 top freelancers

Statistics of experts using CSV

Aggregated from the professional profiles of matched freelancers.

Experience

15 years (Germany: 19 years)

Position duration

1.7 years (Germany: 1.8 years)

Positions per freelancer

16 (Germany: 15)

Top business areas

Information Technology, Product Development, Business Intelligence

Top industries

Information Technology, Retail, Automotive

Certification focus areas

Information Technology, Product Development, Project Management

Bachelor's degree or higher

100% (Germany: 87%)

Master's degree or higher

44% (Germany: 47%)

Certifications per freelancer

1 (Germany: 3)

Most common languages

English, German, French

Speak two or more languages

100% (Germany: 97%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 2 4 6 8
<€400 €400-​800 €800-​1200 €1600+

The chart shows how the daily rates of freelancers in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.

Average rates of experts in Berlin using CSV

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 735 €
Germany avg. 795 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 760 €
Germany median 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

About the technology

CSV files

CSV stands for comma-separated values. It is a simple text format for structured data, used to move rows and columns between tools, systems, and teams. It is common in reporting, data exchange, and bulk updates.

Typical work

  • Exporting records from business systems
  • Importing clean data into databases or spreadsheets
  • Preparing files for migrations and integrations
  • Fixing delimiters, quotes, and encoding issues
  • Mapping columns for downstream tools

Common tools

CSV work often sits between Excel, Google Sheets, SQL, Python, and ETL tools. Strong professionals know how different systems write line endings, separators, and text encoding. They also understand when a CSV file is really a pipe-delimited or tab-separated file.

When companies need help

Companies bring in freelance experts when imports fail, fields shift, or files are too messy for reliable automation. This is common in Berlin teams working across SaaS, e-commerce, logistics, and finance, where data often moves between local systems and international tools. Clear handoffs matter.

What strong experts do

Strong CSV specialists check headers, data types, missing values, duplicates, and escaping rules before a file reaches production use. They can define repeatable validation rules and document the file contract for other teams. That reduces broken imports and manual cleanup.

Good fit for projects

CSV work is a good fit when you need repeatable data exchange, not a custom application layer. It is also useful when teams need quick analysis, bulk edits, or migration files that other systems can read without extra setup. The best professionals keep the file simple, stable, and predictable.

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Frequently asked questions

Need clarity? These are the questions we hear most often about CSV.

CSV is used to move structured data between systems without heavy tooling. Companies use it for exports, imports, reporting, data migration, bulk updates, and spreadsheet-based review. It is simple, but the details around quoting, separators, and encoding still matter.

CSV is plain text, while Excel files can store formatting, formulas, and multiple sheets. CSV is easier for systems to read and automate, so it is often better for integrations and data pipelines. Excel is useful for manual review, but it is less predictable for machine processing.

A company should hire a CSV specialist when file imports fail, field mapping is inconsistent, or data needs to move between tools without losing quality. They are also useful for migrations, recurring reports, and cleaning messy exports from third-party systems. If the process must be repeatable, specialist support pays off.

A strong CSV professional usually knows spreadsheets, SQL, and at least one scripting language such as Python or JavaScript. They also understand data validation, encoding, delimiter handling, and schema mapping. In many projects, they work alongside ETL, API, and database tasks.

CSV and TSV are closely related, but they are not the same thing. CSV usually uses commas, while TSV uses tabs as separators. A good specialist knows how to detect the real format, because many files are mislabeled or exported with nonstandard separators.

A simple CSV task may only need someone who can clean files and define clear rules. More complex work needs a specialist who can handle large imports, edge cases, and automated validation. The right level depends on how often the file moves and how costly errors are.

Yes, CSV work is often well suited to remote collaboration because the files, rules, and tests can be shared digitally. In Berlin, teams may still ask for on-site meetings when data rules need quick alignment across departments. The actual processing work usually does not need a physical presence.

Look for a CSV expert who asks about source systems, separator rules, encoding, missing values, and the exact target format before changing anything. Good work leaves behind clean files, clear documentation, and repeatable validation steps. A strong specialist makes imports predictable, not just successful once.

The average hourly rate of freelancers in Berlin, Germany who have used CSV in their recent projects is 92 €, which corresponds to a daily rate of about 735 € based on an 8-hour working day.

Of the freelancers in Berlin, Germany who have used CSV in their recent projects, 100% hold at least a Bachelor's degree and 44% hold at least a Master's degree.

On average, freelancers in Berlin, Germany who have used CSV in their recent projects have 15 years of professional experience, with a single engagement typically lasting around 1.7 years.

The most common languages among freelancers in Berlin, Germany who have used CSV in their recent projects are English (100%), German (91%), and French (18%).

The most common industries among freelancers in Berlin, Germany who have used CSV in their recent projects are Information Technology (100%), Retail (55%), and Automotive (36%).

The most common business areas among freelancers in Berlin, Germany who have used CSV in their recent projects are Information Technology (100%), Product Development (73%), and Business Intelligence (64%).

Main locations of FRATCH Experts, who have recently used CSV

Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

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Philipp Thomaschewski

FRATCH CEO

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