ESLint Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who set up ESLint rules, tune shared configs, and fix lint errors across JavaScript and TypeScript codebases. They help teams keep React, Node.js, and monorepo projects consistent, readable, and ready for review with fast, precise matching and vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used ESLint
Khalid El Mansouri
Last position:
Lead Architect & Developer at kem-consulting
Development of an agent-based governance platform for the automated assurance of EU AI Act compliance and ODA-compliant orchestration of AI services in complex enterprise environments.
Design and implementation of an agent-based "Mission Control" framework (Aletheia Conductor) for autonomous state monitoring and process control.
Development of "Compliance-as-Code" (CaC) solutions based on OPA/Rego for system-wide enforcement of regulatory guardrails.
Integration of TM Forum ODA standards (TMF630, TMF622, TMF642) to ensure interoperability and standardization.
Building a highly available event-driven architecture using Redpanda and CloudEvents v1.0 for near-real-time event processing.
Implementation of an audit-proof "Evidence Chain" through cryptographic linking of trace logs in preparation for automated audits.
Tech Stack: Java 21 (Quarkus Native), TypeScript (Next.js), Redpanda (Kafka API), CloudEvents v1.0, OPA (Open Policy Agent) & Rego, TimescaleDB, ZincSearch, Redis, TM Forum ODA, Git, GitHub, Clean Code Development, Like-C4.
Carsten Rösner
Last position:
Enterprise Product Owner at opta data IT GmbH
- Product responsibility for the central platform "one" as a group-wide web-based customer portal
- Coordination of the connection of 20 group companies to the product platform
- Derivation and steering of a group-wide product strategy and roadmap aligned with company goals
- Prioritization and bundling of strategic requirements from the various group companies
- Harmonization of different interests and moderation of complex decision-making processes at management level
- Ensuring the technical and business integration of the product into existing system landscapes, business processes, and business models
- Building transparent governance and decision-making structures for group-wide product development
- Representation of the product towards internal and external stakeholders at leadership level
Ibrahim Hilali
Last position:
Senior Full Stack / AI Engineer at Punktum Digital GmbH
- Context: Healthcare and laboratory teams required faster document analysis, treatment-planning support, and reliable AI workflows for MR/VR-assisted operations.
- Contribution: Built the AI healthcare platform, model/agent workflows, VR-glasses deployment platform, REST APIs, Next.js/React interfaces, and CI/CD pipelines.
- Impact: Delivered a production-ready AI product foundation that improved clinical document review, supported laboratory automation, and made VR fleet deployment manageable across environments.
Tech: TypeScript, Next.js, Node.js, React, Java, Spring Boot, Python, PyTorch, TensorFlow, Docker, PostgreSQL, OpenAPI, GitLab, GitHub Actions.
Reginald Leonczuk
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, e.g. calendar, chat, and various tables
Niklas Grieger
Last position:
Senior Full Stack Developer at L1R1 technologies GmbH
- Migrated the Billomat API integration to InvoiceNinja API, boosting system reliability by 33% for 1300 users.
- Established an ESLint configuration with Husky and lint-staged, resulting in a 23% decrease in code review issues and refined code consistency across 5 repositories.
- Improved team processes by refining the Kanban workflow.
- Optimized frontend performance, built a new CI/CD pipeline, and implemented AWS resource monitoring to strengthen deployment reliability and system observability.
Alois Rietzler
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
Kamran Ali
Last position:
Frontend Developer at elio GmbH
- Developed custom frontend designs for clients like Cube, Douglas, and Leuze using HTML, SCSS, JavaScript (ES6), TypeScript, Vue.js, Twig, and Smarty.
- Customized and implemented themes for Shopware 5 and 6 e-commerce websites.
- Managed client communication, crafted project concepts, and provided ongoing support.
- Improved code quality and team efficiency through optimized Git workflows and regular QA.
- Supported other developers and addressed daily client inquiries.
Mathis Dudler
Last position:
Senior Web/Frontend Developer at KemCom GmbH
- Modernized the homepage of a luxury residential building for a better user experience and contemporary design
- Developed and implemented the website and modules using current web technologies
- Optimized for SEO to improve visibility in search engines
- Created a modern and professional appearance that enhances the building's image
- Increased efficiency in content maintenance by using a CMS
- Technologies: HTML5, HTML, CSS3, CSS, JavaScript, Umbraco, C#, .NET
Stefan Dietz
Last position:
Frontend Developer – Sports Event and City Portal Projects at München Betriebs GmbH
- Development of an accessible, responsive website based on Figma designs for a major sports event in compliance with WCAG, BITV, and EN 301 549
- Technical planning and setup of the tool stack with Vite, Playwright, Docker, and GitLab CI
- Worked on two existing projects (Vue.js & Nuxt), with a focus on bug fixing, accessibility audits, and new feature development
- Collaboration with design and QA to consistently implement accessible UI patterns
- Consulting on improving existing frontend architectures with regard to accessibility, performance, and maintainability
Lloyd Ntim
Last position:
Lead Frontend Developer at AnzaKen
- Sole owner of all frontend architectural decisions, technology choices, component structure, build pipeline, and standards across the AnzaKen website and product builds
- Built production React components and coached a junior developer through component patterns, state management, and modern frontend practices via pair programming and code review
- Built products and internal tooling with React and Next.js using Claude Code, RAG pipelines, and AI guardrails, emphasizing maintainability, API integration, and delivery speed
- Participated in client pitches and discovery meetings, scoped technical needs, advised on feasibility, and shaped proposals
- Stack: React, TypeScript, Next.js, Node.js, Python, FastAPI, PostgreSQL, Claude Code, RAG, Vercel, Render
Hüseyin Korkut
Last position:
Senior Full-Stack Engineer at DVAG
Architecture and implementation of a fully digitalized closing flow for managing securities contracts within the DVAG infrastructure. The platform aims for maximum user-friendliness, modular extensibility and compliant handling of sensitive data.
Implementation of a reactive UI structure with a focus on user guidance & accessibility.
Dynamic control of form and closing processes including validation logic.
Reactive state management via SignalStore (signals + selective effects).
UX optimization through adaptive components and Playwright-based UI tests.
Backend modularization to connect existing sales and contract logic.
API stability and DTO design according to Clean Architecture principles.
Collaboration with domain teams to define technical contracts and service boundaries.
Management with GitHub.
Unit tests with Jest, E2E tests with Playwright.
Code reviews, CI-integrated test execution, iterative refactorings.
Ensuring high coverage and UI stability in the closing flow.
Technologies: Angular 18, RxJS, SignalStore, HTML5, SCSS, Spring Boot, Kotlin, REST, OAuth2, Jest, Playwright, Clean Architecture.
Rodrigue Kelen-Yo
Last position:
Fullstack Development at Bavarian State Office of Taxes
- Performed an as-is analysis of the existing Oracle application Express Admin interface
- Created a requirements analysis for the React admin interface to be developed
- Developed the new VAT admin interface using React and TypeScript (frontend) as well as Java 17, Spring Boot, and Hibernate (backend)
- Conducted final training, including training materials, to transfer knowledge to the client’s employees and ensure they can independently maintain and extend the software
- Produced detailed technical documentation
- Tools: KONSENS-AppKit, SPA, React, TypeScript, REST API, unit testing, Java, JavaScript, Node, HTML5, CSS3, UI/UX, Spring Boot, OpenAPI, JSON, Oracle DB, GitHub CI/CD, Playwright, UML, Gradle
Daniel Yokoyama
Last position:
Senior Frontend Developer at node.energy
- Significant enhancement of the B2B React SPA software "opti.node" for commercial operations management for renewable energy plant operators
- Introduced features not previously available on the market, resulting in a significant revenue increase
- Comprehensive automated tests within Storybook
- Introduced a UI library to improve developer experience and speed up feature development by about 40%
- Clear presentation of complex commercial and legal issues, with intuitive UX and UI
- UX consulting to shorten essential interaction flows by 75%
Peter Mölzer
Last position:
Fullstack Developer at Innobee
- Established and configured Docker containerization infrastructure for frontend development, ensuring seamless synchronization with Docker Hub repositories and Virtual Private Server deployments
- Implemented comprehensive ESLint code quality standards across the entire TypeScript and React Vite codebase to maintain consistent coding practices and enhance code maintainability
- Developed and maintained schema synchronization protocols between frontend and backend systems to ensure data consistency and API compatibility
- Designed and executed automated CI/CD pipeline workflows to streamline development processes and reduce deployment time by 40%
- Collaborated with cross-functional teams to architect scalable microservices infrastructure supporting high-availability production environments
- Conducted comprehensive code reviews on best practices for modern web development frameworks and deployment strategies
Oussama Krifa
Last position:
Senior Frontend Developer at DKB Code Factory GmbH
Discover over 15,000 top freelancers
Statistics of experts using ESLint
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
1.8 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
89%
Master's degree or higher
32%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
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 Germany 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 Germany using ESLint
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
Linting setup
ESLint is the standard tool for finding code quality and style problems in JavaScript and TypeScript. Companies use it to catch unsafe patterns early, keep formatting rules consistent, and reduce review noise. Strong experts know how to turn a loose codebase into a clear set of lint rules.
Typical work
- Create or refine shared ESLint configs
- Add rules for React, Node.js, and TypeScript
- Wire linting into CI and pre-commit checks
- Fix rule conflicts and false positives
- Align lint rules with team conventions
Ecosystem fit
ESLint often sits beside Prettier, TypeScript, Babel, Jest, and modern framework setups. Skilled professionals know where linting ends and formatting begins, so teams do not duplicate work or fight tool conflicts. They also handle parser choices, plugin stacks, and version upgrades with care.
When to bring in help
Companies usually bring in freelance ESLint specialists when rules have grown messy, warnings are ignored, or a migration has broken the existing setup. That often happens during framework upgrades, repo splits, or moves to stricter TypeScript usage. In Germany, remote work is common, but on-site sessions can help when teams need quick alignment on coding standards.
What good experts do
Strong professionals do more than silence warnings. They explain why a rule exists, keep the config maintainable, and protect the build from noisy or unstable checks. They also document decisions so future specialists can extend the setup without starting over.
Signs you need one
- ESLint runs, but no one trusts the results
- The config has grown across many nested files
- New framework code keeps breaking old rules
- Developers disable linting instead of fixing issues
- You need a clean handoff after a migration
Frequently asked questions
Not sure where to start with ESLint? These answers cover the essentials.
ESLint is used to find code problems before they reach review or production. It helps teams enforce consistent JavaScript and TypeScript rules, catch risky patterns, and keep large codebases readable. For many teams, it becomes part of the everyday workflow, not just a one-time setup.
ESLint checks code quality and coding rules, while Prettier focuses on formatting. In many projects they work together: Prettier handles layout, and ESLint handles patterns, imports, and maintainability rules. A good specialist knows how to avoid rule overlap and config conflicts.
ESLint specialists are a good fit when the lint setup is blocking teams, producing noisy warnings, or failing during migrations. They are also useful when you need shared rules across a monorepo, a React setup, or a TypeScript rollout. General JavaScript experience helps, but linting knowledge saves time on the config details.
A strong ESLint professional usually also knows TypeScript, Node.js, modern module systems, and at least one front-end framework such as React or Vue. They should understand package managers, CI pipelines, and how parsers and plugins affect rule behavior. That mix makes the setup stable instead of brittle.
A small cleanup may only need someone who can inspect the current config and fix the worst rule conflicts. A larger migration needs a deeper ESLint expert who can redesign the rules, align the team, and protect the build pipeline. The more custom the stack, the more important practical experience becomes.
Yes. ESLint work is usually well suited to remote collaboration because most tasks involve code, config files, and review comments. For teams in Germany, a remote specialist can often handle setup and follow-up online, while an on-site session may help with rule alignment or a migration kickoff.
Look for someone who can explain rule choices clearly, not just paste a config. A good ESLint specialist shows experience with plugins, custom parsers, monorepos, and the balance between strictness and developer flow. Clean documentation and low-noise output are strong signs of quality.
No. ESLint is often most valuable in older codebases, where style drift and risky patterns have built up over time. New projects benefit from it too, but legacy systems usually need more expert care because the existing rules, exceptions, and dependencies are already tangled.
The average hourly rate of freelancers in Germany who have used ESLint in their recent projects is 86 €, which corresponds to a daily rate of about 684 € based on an 8-hour working day.
Of the freelancers in Germany who have used ESLint in their recent projects, 89% hold at least a Bachelor's degree and 32% hold at least a Master's degree.
On average, freelancers in Germany who have used ESLint in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Germany who have used ESLint in their recent projects are German (100%), English (100%), and French (15%).
The most common industries among freelancers in Germany who have used ESLint in their recent projects are Information Technology (100%), Banking and Finance (70%), and Retail (63%).
The most common business areas among freelancers in Germany who have used ESLint in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (67%).
Main locations of FRATCH Experts, who have recently used ESLint
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 Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
