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JavaScript Experts in Vienna

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Hire experts who create responsive web interfaces, Node.js services and scalable full-stack applications with JavaScript. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical needs.

Meet FRATCH Experts in Vienna, who have recently used JavaScript

Verified expert

Chrisabel P.

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Senior Product Manager

Wien
Chrisabel P.

Last position:

AI Systems & Product Strategy Expert at Webmeisterin

I build. I advise. I think in systems. After years leading digital transformation at scale — Accenture, BP, Lidl — I made a deliberate choice: trade platform dependency for structural independence. My focus is at the intersection of AI systems, product strategy, and venture thinking. I work with operators and founders who want to move fast without losing control — of their data, their stack, their direction.

Verified expert

Christian E.

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Enterprise Security Architecture · Cloud & Hybrid · Critical Infrastructure

Wien
Christian E.

Last position:

Cyber Trust Austria Silver Certification at PrimeFaktor GmbH

Cyber Trust Austria Silver Certification

  • Led application and implementation of the Cyber Trust Austria Silver label (KSV1870 Cyber Risk A-Rating; 25 validated controls)
  • Mapped and fulfilled requirements covering risk management, incident response, access control, vulnerability and penetration testing, BCM, and supply-chain security, aligned with ISO/IEC 27001/27002 control themes and NIS 2 / NISG 2026 expectations
  • Coordinated stakeholders, compiled audit evidence, and completed KSV1870 validation
Verified expert

John A.

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Senior DevOps Engineer

Vienna
John A.

Last position:

Software Developer and DevOps Engineer at Bundesrechenzentrum (BRZ)

Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and systems configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, JavaScript, Bash scripts, SQL, Grafana Stack, OpenTelemetry, Docker, DB2, Maven, Kubernetes Kompose.

Verified expert

Yunus S.

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QA Architect

Vienna
Yunus S.

Last position:

Senior Expert / Program Manager at Dolpheen IT

Senior Expert / Program Manager

IT Services

  • Management of internal projects for infrastructure modernization: setup and maintenance of test environments that realistically replicate complex customer networks.
  • Resource coordination: planning server capacities and cloud resources for automated test runs.
  • Implementation of CI/CD pipelines to integrate automated tests into the build process.
  • Evaluation of performance bottlenecks through load testing (NeoLoad/JMeter) to ensure scalability.

Tools / Technologies: Jenkins, Docker, GIT, ButBucket, NeoLoad, Azure

Verified expert

Nikola N.

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Founder and CEO - Senior Business Analyst

Wien
Nikola N.

Last position:

Founder and CEO - Senior Business Analyst at fintechno AI GmbH

  • Business analysis
  • Requirements engineering
  • System design
  • Various insurance projects
  • Technology stack: msg.Billing (InExkasso)
  • Product: Pay-per-use car insurance based on blockchain and OBD-II real-time telemetry with AI
Verified expert

Roman M.

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Senior Python Developer | FastAPI, REST APIs & Microservices

Vienna
Roman M.

Last position:

Software Engineer at FSM Rechtsanwälte

  • Develop AWS-based components connecting Python backend services to React/TypeScript frontends.
  • Improve database queries and application workflows for document processing and screening.
  • Evaluate LLM retrieval and document-review workflows as part of the product stack.
Verified expert

Michael L.

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IAM Developer & IT Architect

Vienna
Michael L.

Last position:

IAM Developer & IT Architect at Internationale Bank

  • Design and implementation of new functionalities in the areas of Lifecycle Management (LCM), Role Management (RLM) and Access Governance

  • Adjustment of the company-wide Segregation of Duties (SoD) matrix to ensure regulatory and internal compliance requirements

  • Further development and configuration of recertification processes

  • Creation and adaptation of custom workflows, rules and tasks in SailPoint IdentityIQ (BeanShell, XML, Java)

  • Use of static code analysis with SonarQube to ensure code quality and compliance with defined development standards

  • Regular code reviews within the development team to ensure quality, share knowledge and follow clean code principles

  • Work in an agile Scrum team with daily communication, sprint planning and reviews

  • Coordination with testers, test managers and business departments to ensure quality and smooth production rollout

  • Active involvement in release planning and deployment coordination, including test preparation, cutover activities and rollback strategies

  • Analysis and sustainable resolution of issues in the IAM production environment (2nd- and 3rd-level support)

  • Reproduction of complex errors, identification of root causes and implementation of lasting fixes

  • Creation of technical analyses and recommendations for operations and further development

Verified expert

Marcel S.

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Senior AI Engineer

Vienna
Marcel S.

Last position:

Senior AI Engineer - Python at Insurance Company

Project Tech Stack: Python, AWS, Azure, FastAPI, openai, pandas, unittest/pymock

Achievements:

  • Engineered automated data extraction pipelines to transform complex Excel datasets into structured formats via LLM-driven workflows.
  • Architected a generative slide-deck engine that translates natural language prompts into formatted presentation assets.
  • Integrated advanced LLM capabilities with the OpenAI Response API, implementing sophisticated tool-calling and structured output logic.
  • Developed and containerized scalable backend microservice using FastAPI, Docker, and OpenShift to host and serve agentic skills.
Verified expert

Michail M.

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Experienced Software Developer and OpenShift Specialist, Application Architect with a focus on / experience in containerization

Vienna
Michail M.

Last position:

OpenShift / Kubernetes Consultant at cloudWerkstatt

Implementation and operation of OpenShift / Kubernetes solutions for customers, focusing on aspects such as storage, virtualization, security, logging, monitoring, and high availability. Support with application containerization and modernization.

Verified expert

Alexander L.

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Senior Product Owner

Wien
Alexander L.

Last position:

Guest lecturer in Artificial Intelligence (Master’s Level) at FH des BFI Wien

  • Teaching & presenting
  • Communication
  • Effectively communicate complex technical topics to non-technical audiences through lectures
  • Guided non-technical students from zero knowledge to confidently understanding and applying algorithms to achieve business outcomes
Verified expert

Vladislav F.

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Senior Test Automation Engineer / Test Manager

Vienna
Vladislav F.

Last position:

Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA

  • Creation of test scenarios, manual test cases and test data using boundary value analysis and equivalence partitioning
  • Execution of functional and non-functional tests (manual with Postman and web application, automated with WebDriver, JUnit and NUnit)
  • Setup, automation and maintenance of the Test Automation Framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web frontend and SOAP API backend interfaces)
  • Automation of backend NUnit test cases in Visual Studio
  • Test management: development and implementation of the test strategy and test plans, test coordination, quality responsibility and prioritization of risk-based tests, as well as documentation management in Confluence
  • Detailed analysis and quality assurance of requirements
  • Creation and maintenance of Jenkins pipelines, quality assurance during build & deployment
  • Close cooperation with business analysts, developers, testers and test management
  • Identification, creation and tracking of errors/defects, as well as careful test documentation
  • Reporting of test results and defect reports
  • Monitoring of test processes and continuous improvement
  • Verification of test data and test results in a PostgreSQL database in pgAdmin
  • Support with effort estimates and backlog prioritization
  • Analysis and debugging of development code

System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces

Verified expert

Daniel A.

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Solution Architect and Fullstack Developer

Wien
Daniel A.

Last position:

Solution Architect and Fullstack Developer at IoT Sensor Data Processing and Evaluation

  • Develop a concept for the analysis of sensor data.
  • Assess implementation options, products, and pricing in Azure.
  • Present and advocate the solution concept to the client.
  • Implement an ETL pipeline for processing sensor data.
  • Integrate BI solutions with the data repository.
  • Provide documentation and support for end users.
Verified expert

Matthias K.

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Business Architect

Vienna
Matthias K.

Last position:

Business Architect at E5GTEC

  • Analysis of extended requirements related to existing controllers in an industrial plant
  • Creating concepts for storing and visualizing sensor data
  • Communication with PLCs
  • Microservice architecture
  • Unified architecture
  • AI-based evaluations of sensor data
  • Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ
Verified expert

Michael G.

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Scrummaster

Wien
Michael G.

Last position:

Scrummaster at Xenovo

  • Planning and monitoring sprints and holding the scheduled meetings

  • Analyzing and resolving issues in the development process

  • Error analysis, bug management and correction in individual process steps

  • Stakeholder management

  • Documentation and improvement of the development process

  • Tools: JIRA, Confluence

Discover over 15,000 top freelancers

Statistics of experts using JavaScript

Aggregated from the professional profiles of matched freelancers.

Experience

19 years (Austria: 17 years)

JavaScript experts in Vienna have 19 years of professional experience on average. It is 2 years more than in Austria, where the average stands at 17 years.

Position duration

2.3 years (Austria: 2.7 years)

JavaScript experts in Vienna stay in a single position for 2.3 years on average. It is 0.4 years less than in Austria, where the average stands at 2.7 years.

Positions per freelancer

12 (Austria: 10)

JavaScript experts in Vienna have completed 12 positions on average over the course of their careers. It is 2 more than in Austria, where the average stands at 10.

Top business areas

Information Technology, Product Development, Project Management

JavaScript experts in Vienna have gathered most of their hands-on project experience in Information Technology, Product Development, and Project Management.

Top industries

Information Technology, Banking and Finance, Professional Services

JavaScript experts in Vienna are most in demand in Information Technology, Banking and Finance, and Professional Services.

Certification focus areas

Information Technology, Project Management, Product Development

JavaScript experts in Vienna earn their certifications most often in Information Technology, Project Management, and Product Development.

Bachelor's degree or higher

91% (Austria: 84%)

91% of JavaScript experts in Vienna hold at least a Bachelor's degree. It is 7% higher than in Austria, where the rate stands at 84%.

Master's degree or higher

63% (Austria: 55%)

63% of JavaScript experts in Vienna hold at least a Master's degree. It is 8% higher than in Austria, where the rate stands at 55%.

Doctorate

16% (Austria: 9%)

16% of JavaScript experts in Vienna have a doctorate (PhD). It is 7% higher than in Austria, where the rate stands at 9%.

Certifications per freelancer

3

JavaScript experts in Vienna hold 3 professional certifications on average.

Most common languages

German, English, French

JavaScript experts in Vienna most often speak German, English, and French.

Speak two or more languages

97% (Austria: 99%)

97% of JavaScript experts in Vienna speak two or more languages. It is 2% lower than in Austria, where the rate stands at 99%.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
6% of JavaScript experts in Vienna charge less than €640 per day.
39% of JavaScript experts in Vienna charge between €640 and €800 per day.
24% of JavaScript experts in Vienna charge between €800 and €960 per day.
18% of JavaScript experts in Vienna charge between €960 and €1120 per day.
9% of JavaScript experts in Vienna charge between €1120 and €1280 per day.
3% of JavaScript experts in Vienna charge €1440 or more per day.
<€640 €640-​800 €800-​960 €960-​1120 €1120-​1280 €1440+

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

Average rates of experts in Vienna using JavaScript

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 834 €
Austria avg. 818 €

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 800 €
Austria 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

JavaScript 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 (94%)
  • Banking and Finance (49%)
  • Professional Services (46%)
  • Government and Administration (43%)
  • Manufacturing (40%)
  • Education (34%)
  • Insurance (31%)
  • Telecommunication (31%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

What JavaScript does

JavaScript is the core programming language of interactive web experiences. It runs in browsers and, through runtimes such as Node.js, also powers servers, APIs, automation and real-time services. Companies use it for customer portals, commerce interfaces, internal tools and cloud-connected products.

Where it fits

JavaScript supports both focused front-end work and full-stack delivery. Experts use it to connect user interfaces with backend services, databases and third-party systems while keeping interactions fast and accessible. TypeScript is often added when a project needs stronger type checking and clearer contracts.

Ecosystem and tooling

The ecosystem covers component libraries, application frameworks, testing tools and build systems. Common choices include React, Vue, Angular, Next.js, Express and NestJS, alongside npm or pnpm, Vite, Jest, Playwright and ESLint. Strong specialists select tools that fit the product rather than adding complexity by default.

Typical project work

  • Create responsive interfaces and reusable component systems
  • Build Node.js APIs, background services and real-time features
  • Modernize legacy browser code and improve application performance
  • Connect web products with payment, data and cloud services
  • Add automated testing, deployment checks and observability

When companies hire specialists

Companies bring in freelance JavaScript expertise when a product needs delivery capacity, a codebase needs modernization or a team lacks a specific framework skill. This is useful for launches, migrations, performance work and short technical interventions. In Vienna, on-site collaboration can support workshops, while remote work suits distributed product teams; clear English or German communication should be agreed early.

What quality looks like

Strong professionals understand browser behavior, asynchronous code, HTTP, security, accessibility and performance, not just framework syntax. They write maintainable modules, test critical paths and explain trade-offs clearly. Look for evidence of shipped products, thoughtful debugging, reliable code review habits and experience integrating JavaScript with the wider system.

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Frequently asked questions

Quick answers to the questions that come up most around JavaScript.

JavaScript is used for interactive websites, customer portals, e-commerce interfaces, dashboards, mobile applications and backend services. With Node.js, it can also handle APIs, event-driven processing and real-time communication.

JavaScript is flexible and runs directly in browsers and common server runtimes. TypeScript adds static typing and compiles to JavaScript, which can make large codebases easier to maintain while introducing an additional build step.

A strong JavaScript specialist usually understands HTML, CSS, browser APIs, HTTP, Git and automated testing. Depending on the assignment, useful adjacent skills include React or Vue, Node.js, SQL, cloud deployment, accessibility and application security.

The right level depends on the scope and risk of the work. A small interface enhancement may need focused framework knowledge, while a migration, shared component system or production backend benefits from someone who has handled architecture, testing and operational issues.

JavaScript projects are often well suited to remote collaboration because source control, issue tracking, code review and automated delivery can be handled online. Vienna-based teams may still prefer in-person workshops for discovery or pairing, so agree on meeting times, language and overlap before the project starts.

Node.js works well for APIs, real-time features, integrations and services that handle many concurrent I/O operations. It may be less suitable for CPU-heavy workloads unless those tasks are isolated or delegated to another service.

Ask a JavaScript professional to explain a relevant delivery, including testing, accessibility, performance, security and deployment decisions. Review a small code sample or technical discussion for clear structure, sensible trade-offs and attention to failure cases.

JavaScript professionals may work across product, design, backend and operations teams. They should be comfortable with pull requests, automated checks, changing browser requirements and framework conventions, while clarifying ownership of APIs, environments and release decisions.

The average hourly rate of freelancers in Vienna, Austria who have used JavaScript in their recent projects is 104 €, which corresponds to a daily rate of about 834 € based on an 8-hour working day.

Of the freelancers in Vienna, Austria who have used JavaScript in their recent projects, 91% hold at least a Bachelor's degree, 63% hold at least a Master's degree, and 16% hold a doctorate.

On average, freelancers in Vienna, Austria who have used JavaScript in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.3 years.

The most common languages among freelancers in Vienna, Austria who have used JavaScript in their recent projects are German (100%), English (97%), and French (26%).

The most common industries among freelancers in Vienna, Austria who have used JavaScript in their recent projects are Information Technology (94%), Banking and Finance (49%), and Professional Services (46%).

The most common business areas among freelancers in Vienna, Austria who have used JavaScript in their recent projects are Information Technology (97%), Product Development (91%), and Project Management (63%).

Main locations of FRATCH Experts, who have recently used JavaScript

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.

Vienna Graz

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