jQuery Experts in Berlin
for responsive interfaces, matched in minutes with vetted and available freelancersHire experts who improve legacy front ends, build interactive web interfaces and connect browser behaviour with APIs and server-rendered applications. FRATCH matches you quickly and precisely with vetted, available freelancers in Berlin and beyond.
Meet FRATCH Experts in Berlin, who have recently used jQuery
Sascha B.
Last position:
Web Developer at GxPlex
- Built a customized MediaWiki instance, including installation, MySQL database, SSL, and automatic backups
- Set up user roles (Admin, Mod, Verified, User) and a permissions system
- FlaggedRevisions for editorial review workflows · Commenting and rating extensions
Santhosh K.
Last position:
Freelance Software Engineer at Zalando SE
- Drive migration of enterprise authorization platform from Styra DAS to open-source OPA via Skipper (Zalando's Golang-based ingress proxy) integration
- Optimise k8s resources and integrate native Prometheus metrics with OPA
- Migrate from internal monitoring solution to Prometheus CRs + Dash0
Tech Stack: Java/Kotlin, Golang, Python, Spring Boot, AWS, Kubernetes, Docker, OpenTofu, Prometheus, Grafana
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Alessandro L.
Last position:
Vue Frontend Engineer at Savills
- Savills is one of the world's leading property advisors with 700+ offices worldwide. In Berlin, I built core digital solutions for the valuation business, replacing legacy Access-based workflows with an enterprise-grade web app built on Vue.js.
- Frontend Architecture & Scalability: Designed scalable Vue + TypeScript frontend architecture for internal enterprise applications, integrating a Symfony backend and interactive maps.
- Legacy Modernization: Led the modernization of legacy jQuery-based systems into maintainable Vue-driven applications, improving performance, maintainability, and efficiency across business workflows.
- PDF Report Workflow Automation: Engineered Twig-based automated PDF generation pipelines that reduced manual report preparation time by ~80%, saving approximately 12h per analyst/month.
- Design System & Frontend: Built a scalable SASS-based design system using mixins, maps, functions, and reusable UI patterns for consistency and long-term maintainability.
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as the frontend framework and Java as the backend language
- Use of the Swagger OpenAPI specification for REST communication between the frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with a web interface and a JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts to test outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to monitor the REST API of the self-developed software
Alois R.
Last position:
Senior Fullstack Developer at brandung GmbH
- Opt-in RAG extension over tenant-owned data sources (SharePoint, Confluence) on existing multi-tenant enterprise AI platform
- Architecture: ADRs, solution evaluations, permission strategy, cost modeling
- End-to-end SharePoint and Confluence connectors: OAuth consent flows, token refresh, metadata sync, search integration
- Permission resolution: ACL indexing at ingestion and query-time verification (document-level security)
- Elasticsearch hybrid search (semantic + keyword) with RRF scoring
- RAG chat with context injection and source citations
- Stack: Elastic Cloud, Elasticsearch, Docker, Northflank, Next.js, React, TypeScript, Prisma, Microsoft Graph API, Atlassian REST API, OAuth 2.0
Yahya S.
Last position:
Odoo Software Developer & Consultant at KNAUER Wissenschaftliche Geräte GmbH
- Planning and implementing tailored Odoo ERP solutions to support and optimize specific business processes
- Configuring and customizing Odoo modules according to individual customer requirements, including process automation and data integration
- Training and supporting end users and administrators to ensure full use of Odoo features and to enhance user skills
- Providing ongoing post-implementation support, including troubleshooting, maintenance and updates to adapt to new business requirements
- Migrating data and integrating external applications into Odoo environments for a seamless, unified data landscape
- Analyzing and improving existing Odoo systems to boost efficiency and optimize the user experience
Igor K.
Last position:
Freelance Software Developer
Julien L.
Last position:
MLOps Engineer at SAMGEN
- Building and scaling cloud infrastructure on GCP to support a SaaS platform for industrial clients
- Designing and implementing a data-driven DevOps pipeline for streamlined deployment and CI/CD workflows
- Collaborating with Data Science team on MLOps workflow to automate integrated retraining
Paulo A.
Last position:
Founder and Product Lead at Muvuca Solutions
- Lead a climate tech consultancy end to end, coordinating cross-functional teams, owning client strategy and project management, and delivering ESG strategies and AI-first products.
- Stay hands-on across discovery, analytics, roadmapping, architecture, and QA to safeguard execution quality.
- Designed, developed, and launched Jody, an AI travel planner (demo credentials provided).
Ingo S.
Last position:
Plugin for Shopware at Self-employed
Developed the “Cost Transparency” plugin for Shopware 6 that extends product details with an interactive graphic illustrating different shares of the total price
Technologies: Shopware, PHP, Twig, CSS, JavaScript
Alberto G.
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.
Mario R.
Last position:
Coach for Mid-Level/Senior Recruiters at La Red Berlin e.V.
- AI in recruiting
- Talent acquisition
- End-to-end recruiting
- Direct sourcing
- Dealing with hiring managers
- IT know-how
- Candidate experience
Thomas S.
Last position:
GEDISA mbH
- Development of various backends (PHP) in a microservice architecture with STRENGTHS
- Development of administration interfaces with Laravel Filament diligent consistent agile
- Integration of third-party providers via REST interfaces patient attention to detail motivating
Marco R.
Last position:
Fullstack Developer at Artificial Intelligence/LLMs
- Built a portfolio website using Vue 3 implementing dynamic pages responsive UI components.
- Integrated OpenAI ChatGPT API for interactive AI content generation.
- Handled API requests and media management via Cloudflare, enabling efficient communication and asset delivery.
- Vue.js
- Vuetify
- C++, WPF
- Debian
- Matlab
- MySQL
- PostgreSQL
- Tailwind CSS
- Cloudflare Workers
- GitHub Actions
- Node.js
Discover over 15,000 top freelancers
Statistics of experts using jQuery
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 21 years)
Position duration
2.2 years (Germany: 5.3 years)
Positions per freelancer
12 (Germany: 13)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Media and Entertainment
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 84%)
Master's degree or higher
43% (Germany: 45%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
91% (Germany: 96%)
Based on our profile pool as of 19 Sep 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 jQuery
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
jQuery experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Retail (59%)
- Media and Entertainment (55%)
- Education (45%)
- Professional Services (45%)
- Banking and Finance (41%)
- Manufacturing (32%)
- Government and Administration (32%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What jQuery does
jQuery is a JavaScript library that simplifies DOM manipulation, event handling, animation and asynchronous requests in web browsers. Its concise API helped standardise interactive behaviour across browsers and remains common in established websites, internal tools and server-rendered applications.
Typical applications
jQuery is often used where a company needs dependable browser-side behaviour without replacing an entire front end. Common work includes:
- Updating forms, tables, filters and navigation without full page reloads
- Connecting user actions to REST or JSON endpoints with Ajax
- Maintaining content management systems and e-commerce interfaces
- Improving legacy pages while newer components are introduced gradually
Ecosystem and tooling
Strong jQuery work includes more than writing selectors. Specialists may use jQuery UI, jQuery Validation, DataTables and established plugin ecosystems, while working with JavaScript, HTML, CSS and browser developer tools. They also need to understand module bundlers, package management, accessibility and the conventions of the application around the library.
When companies need help
Companies often bring in freelance expertise when a mature interface has become difficult to change safely, a release must address browser-side defects, or a migration needs to happen in stages. Berlin teams may also use remote specialists for focused maintenance, audits or feature delivery while coordinating with local product, design and engineering groups.
- Audit fragile event handlers and duplicated scripts
- Fix Ajax errors, race conditions and validation issues
- Replace outdated plugins with maintainable components
- Prepare a controlled transition toward modern JavaScript
What strong specialists deliver
Experienced professionals isolate behaviour cleanly, avoid excessive global state and test interactions across relevant browsers and screen sizes. They protect existing workflows before changing them, document plugin dependencies and check performance, keyboard access and failure states. Good specialists also explain when jQuery is still practical and when another approach will reduce long-term maintenance.
Choosing the right fit
Review work involving real interfaces rather than isolated code samples. Ask how the specialist investigates an unfamiliar codebase, handles delegated events, secures and validates Ajax inputs, and measures the effect of a change. For Berlin-based collaboration, clarify on-site expectations, remote routines and the working language before the engagement begins.
Frequently asked questions
Questions about jQuery? Start with the answers below.
jQuery is used to add interactive behaviour to established websites, server-rendered applications, portals and internal tools. Typical tasks include DOM updates, event handling, form validation, animations and Ajax requests.
jQuery offers a compact API for changing existing pages and handling browser events with limited setup. React is designed around component-based interfaces, while modern plain JavaScript can cover many of the same tasks without an additional library; the right choice depends on the current codebase and the planned lifespan of the work.
A strong jQuery specialist usually also understands JavaScript, HTML, CSS, browser debugging and HTTP. Experience with REST or JSON APIs, accessibility, testing, package management and server-side templating is valuable when the library is part of a larger application.
The needed experience depends on the codebase, risk and deliverables rather than on the library alone. A small interface fix may need focused knowledge, while a legacy migration or plugin-heavy application calls for someone who can trace dependencies, preserve behaviour and plan incremental changes.
jQuery work is generally well suited to remote collaboration because code, browser testing and issue tracking can be shared online. A Berlin team should agree on review practices, access to development environments, meeting routines and whether occasional on-site sessions are useful.
Keeping jQuery can be sensible when it is stable, well understood and closely tied to server-rendered pages or existing plugins. Replacement becomes more compelling when maintenance is slowing delivery, dependencies are unsupported, accessibility is difficult to improve or the product needs a component architecture the current code does not support.
Ask how the jQuery specialist would inspect event flow, plugin dependencies, Ajax failures and browser compatibility before editing code. Look for careful change isolation, tests for important interactions, attention to accessibility and a clear explanation of trade-offs.
jQuery projects often involve mature code, undocumented assumptions and several scripts sharing the same page. Specialists should be comfortable reading existing JavaScript, finding unintended side effects, communicating risk and improving maintainability without breaking established user workflows.
The average hourly rate of freelancers in Berlin, Germany who have used jQuery in their recent projects is 87 €, which corresponds to a daily rate of about 693 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used jQuery in their recent projects, 100% hold at least a Bachelor's degree and 43% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used jQuery in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Berlin, Germany who have used jQuery in their recent projects are German (100%), English (91%), and Spanish (18%).
The most common industries among freelancers in Berlin, Germany who have used jQuery in their recent projects are Information Technology (100%), Retail (59%), and Media and Entertainment (55%).
The most common business areas among freelancers in Berlin, Germany who have used jQuery in their recent projects are Information Technology (100%), Product Development (91%), and Project Management (50%).
Main locations of FRATCH Experts, who have recently used jQuery
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 
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf Countries:
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