AJAX Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used AJAX
Benjamin Faas
Last position:
Freelance Product Manager, Product Owner, Scrum Master & Agile Coach at Freelance
Freelance product owner, scrum master and agile coach in various projects spanning from local agencies to multinational corporations in diverse industries.
Last projects:
Adevinta: Technical Project Manager responsible for coordination of several sub-workstreams building the world’s largest classifieds multi-tenant platform.
Aroundhome (a ProSiebenSat.1 company): Product Manager implementing and verifying on the business side a concept for digital qualification of user requests for matching service providers.
Peek & Cloppenburg DĂĽsseldorf: Product Manager Mobile advising on and guiding the rebuild of Android and iOS apps.
Visual Meta GmbH (an Axel Springer company), Berlin: Director Product co-leading the Product & Engineering department together with the Director Engineering.
Responsibilities at Visual Meta GmbH:
Define and deliver a 3–5 year horizon product strategy including a product vision & mission connecting to existing company strategy and strategies from adjacent departments.
Refine an existing OKR process together with OKR master and directors of other departments to increase focus and outcome.
Support the Director Engineering in creating a platform transformation strategy to transform a monolithic on-premise tech stack into a service-oriented, cloud-based architecture and establish a domain-based organizational setup.
Accountability for a motivated and talented team of 5 head-level colleagues and 17 operational team members from product management, data and UX/UI design.
Key achievements at Visual Meta GmbH:
Defined and delivered a 3–5 year horizon product strategy including a product vision & mission.
Increased focus within OKR process by moving from 10 company-level objectives to 2 and from several hundred team-level key results to a few dozen.
Created a career path framework for the product team defining roles and responsibilities from junior to head level positions.
Ola Van Dunen
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Igor Kazarnovskiy
Last position:
Freelance Software Developer
Sascha Bach
Last position:
Professional Development at Career Break
Intensive upskilling program to expand into fullstack, AI, and accessibility - preparing for freelance Angular/React projects with Next.js, Redux, and LLM integration.
Key achievements:
React - The Complete Guide (incl. Next.js, Redux): Comprehensive course on React Hooks, Redux Toolkit, React Router, Next.js App Router, React Server Components, Form Actions (React 19), authentication, unit testing, TypeScript integration, and fullstack apps with HTTP requests.
Practical Prompt Engineering Masterclass: Hands-on masterclass on prompt design, chain-of-thought, few-shot prompting, and LLM optimization for AI-powered frontend features like accessibility checks.
Understanding TypeScript: Deep dive into TypeScript types, interfaces, generics, and integration with React/Next.js for type-safe, scalable codebases.
Design Thinking: Methods for user-centered design, ideation, prototyping, and iteration - applied to accessible UI/UX concepts.
Web Accessibility Training Course WCAG 2.1 & 2.2 Compliance: Detailed WCAG 2.1/2.2 guidelines, BFSG requirements, audit techniques, ARIA widgets, and screen reader testing for compliant Angular/React applications.
New skills: Next.js, Redux, TypeScript, prompt engineering, WCAG, design thinking.
Vamsi Krishna Mylu
Last position:
Full Stack .NET Developer at Neusta GmbH
- Implemented and maintained logistics-domain applications using Angular, C#, ASP.NET, HTML5, CSS3, JavaScript, AJAX and Bootstrap
- Analyzed, designed, coded and deployed backend services and integrations using .NET, XML Web Services and RESTful APIs
- Developed automated SSIS packages and scheduled ETL jobs to support data workflows
- Built and maintained Python scripts for automation and prototyping; applied Cursor AI to build/refactor full-stack AI/ML model integrations
- Implemented unit and integration testing (NUnit) and conducted performance tuning for backend services
- Managed source control and CI/CD using GitHub, Azure CI/CD pipelines and TeamCity
Alberto Galván De La Rosa
Last position:
C#/.Net Developer at Pean-IT GmbH
- Developed high-performance REST API interfaces in C# for Investitionsbank Berlin (IBB) using CI/CD (Git, Azure DevOps).
- Developed the "Pean Admin Center" using the Microsoft Graph API (backend: C#, frontend: Vuetify), implemented via CI/CD pipelines (Azure DevOps).
- Created low-code business applications and automated processes with Power Apps and Power Automate.
- Set up and designed the online shop for Pestalozzi-Fröbel-Haus (PFH) via Wix.
Syed Ahmad
Last position:
Senior Web Developer at TU Dresden
- Contributed significantly to enhancing the university’s digital presence through modern WordPress development, performance optimization, and scalable deployment strategies.
- Designed and maintained robust CI/CD pipelines, streamlining deployments across local, staging, and production environments.
- Executed A/B tests on key landing pages, resulting in measurable improvements in user engagement and campaign performance.
- Integrated Google Tag Manager, Google Analytics, and custom tracking solutions to drive data-informed design and content decisions.
- Leveraged AI tools like ChatGPT through advanced prompt engineering to streamline development tasks, debug complex issues, and automate content optimization for SEO and documentation.
Discover over 15,000 top freelancers
Statistics of experts using AJAX
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 23 years)
Position duration
2.6 years
Positions per freelancer
13 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Media and Entertainment, Retail
Certification focus areas
Product Development, Information Technology, Project Management
Bachelor's degree or higher
100% (Germany: 84%)
Master's degree or higher
75% (Germany: 52%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
86% (Germany: 98%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
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 AJAX
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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
What AJAX does
AJAX lets a page send and receive data in the background without a full reload. That makes interfaces feel faster and more fluid, especially for search, filters, forms, dashboards, and live content updates.
Core patterns
- Background requests for forms and validation
- Live search, autocomplete, and filtering
- Partial page updates in web apps
- Data exchange with JSON APIs
- Legacy enhancement for older applications
Tools and APIs
Strong AJAX work usually involves JavaScript, XMLHttpRequest, the Fetch API, JSON, and browser events. In many teams it also touches HTML, CSS, server endpoints, and the response formats that keep UI updates predictable.
When companies bring in specialists
Teams look for AJAX expertise when a site feels slow, reloads too often, or needs smoother interaction with existing backend systems. In Berlin, this often comes up in product teams, agencies, and enterprise web projects that need tighter UI behavior without a full rebuild.
What good professionals deliver
Good specialists think in requests, states, errors, and user feedback. They handle loading states, retries, caching, graceful fallback, and compatibility across browsers so the interface stays usable when requests fail or data changes.
How to judge fit
Look for clear work on request flow, API integration, and frontend debugging. Strong experts can explain when AJAX is the right choice, when Fetch is better, and how they keep legacy code clean while supporting modern interfaces.
Frequently asked questions
Not sure where to start with AJAX? These answers cover the essentials.
AJAX is used to send and receive data without reloading the whole page. Companies use it for live search, inline form checks, filters, dashboards, and small updates that should feel immediate. It is common in both new interfaces and older sites that still need smoother behavior.
AJAX is the overall approach, not a single API. XMLHttpRequest was the classic browser tool for it, and Fetch is the newer option many experts prefer for modern code. In practice, the right choice depends on browser support, codebase age, and how the frontend is structured.
AJAX expertise helps when the interface has too many full reloads, broken async flows, or messy API calls. It is also useful when a team needs to fix a specific feature without changing the whole application. Freelancers are a good fit for targeted improvements and short maintenance work.
A strong AJAX specialist usually knows JavaScript well and works comfortably with HTML, CSS, APIs, JSON, and browser debugging tools. On larger projects, they also need to understand state handling, error messages, and how frontend code talks to backend services. That mix matters more than theory.
AJAX keeps the user on the same page and updates only what changed. A full-page approach is simpler in some cases, but it often feels slower and less interactive. Companies usually choose AJAX when user flow matters and frequent reloads would get in the way.
Yes. AJAX still appears in many modern interfaces, especially where teams need partial updates, background requests, or support for older code. Even when a project uses Fetch or a framework, the same async request patterns still matter.
Not always. AJAX work can often be done remotely because it mainly involves code, API behavior, and browser testing. On-site work in Berlin can help when a team needs close collaboration with product, backend, or legacy system owners.
A good AJAX professional writes code that is easy to follow and resilient when requests fail. Look for clean handling of loading states, clear error messages, sensible API usage, and careful debugging of edge cases. Good answers are specific about how the user experience changes, not just how the code works.
The average hourly rate of freelancers in Berlin, Germany who have used AJAX in their recent projects is 79 €, which corresponds to a daily rate of about 632 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used AJAX in their recent projects, 100% hold at least a Bachelor's degree and 75% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used AJAX in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Berlin, Germany who have used AJAX in their recent projects are German (100%), English (86%), and Spanish (14%).
The most common industries among freelancers in Berlin, Germany who have used AJAX in their recent projects are Information Technology (100%), Media and Entertainment (57%), and Retail (57%).
The most common business areas among freelancers in Berlin, Germany who have used AJAX in their recent projects are Information Technology (100%), Product Development (86%), and Project Management (71%).
Main locations of FRATCH Experts, who have recently used AJAX
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 
Munich 
Frankfurt 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
