Node.js Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used Node.js
Yasin Y.
Last position:
Enterprise Architect at Bundesagentur fĂĽr Arbeit
Task:
- Design and build a proof of concept (PoC) for a future-proof virtualization platform, taking secure system architectures into account
- Assess the current state of existing infrastructures and develop selection and evaluation criteria for the right OS virtualization platform
- Carry out the requirements analysis and then create and prioritize tickets in the ticket system
- Complete and continuously update a tool evaluation matrix based on PoC results
- Support team knowledge building through clear documentation of the approach and results in Confluence
- Enterprise analysis of existing hardware (creating different BoMs)
Technologies: Vmware, Vmware Aria Operations, Osism, Canonical OpenStack, FishOs, Linux, Terraform, Ansible, Confluence, Alma
Kersten L.
Last position:
Lead Architect / Lead Developer at Bettles: Sports Betting Platform
- Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
- Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
- “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).
Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest
Manuel K.
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Hendrik B.
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Ilja L.
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Jan-Niklas F.
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Henning P.
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using Node.js
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 16 years)
Position duration
2.1 years (Germany: 2.9 years)
Positions per freelancer
16 (Germany: 11)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Healthcare, Government and Administration
Bachelor's degree or higher
60% (Germany: 89%)
Master's degree or higher
40% (Germany: 50%)
Certifications per freelancer
0 (Germany: 2)
Most common languages
German, English, Dutch
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Dortmund 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 Dortmund using Node.js
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Node.js 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%)
- Healthcare (71%)
- Government and Administration (71%)
- Education (57%)
- Manufacturing (57%)
- Automotive (43%)
- Banking and Finance (43%)
- Insurance (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Node.js does
Node.js is a JavaScript runtime for building server-side applications outside the browser. Its event-driven, non-blocking model suits APIs, real-time features, streaming services and backend systems that handle many concurrent connections. Teams can use one language across the frontend and backend while sharing validation, types and domain logic.
Where it fits
Node.js appears in products that need responsive services, fast iteration and flexible integration. Common deliverables include:
- REST and GraphQL APIs for web and mobile products
- Real-time collaboration, chat and notification services
- Microservices, background workers and event consumers
- Server-rendered applications and backend-for-frontend layers
- Data ingestion, automation and streaming pipelines
Ecosystem and tooling
The npm ecosystem gives Node.js specialists a broad range of packages for web servers, testing, validation, authentication and data access. Strong professionals commonly work with TypeScript, Express, Fastify or NestJS, plus PostgreSQL, MongoDB, Redis, message brokers and containerized deployments. They also understand package management, dependency security and observability.
When companies need help
Companies often bring in freelance expertise when an existing backend must scale, a product needs an API quickly or a monolith is being split into services. Specialists can also stabilize inherited code, improve test coverage, connect external systems and prepare releases. In Dortmund, remote collaboration can extend local product teams while on-site workshops remain useful for architecture and delivery planning.
Delivery quality
Reliable Node.js work starts with clear service boundaries, deliberate error handling and tests that protect business behavior. Experienced professionals consider event-loop blocking, memory use, retries, timeouts and graceful shutdowns rather than focusing only on endpoint implementation. They document decisions and make deployments observable through logs, metrics and traces.
Choosing a specialist
Look for evidence of systems comparable to yours, not just familiarity with JavaScript syntax. A capable Node.js expert can explain trade-offs between Express, Fastify and NestJS, select suitable data stores and describe how the service behaves under failure. They should communicate clearly in the languages your team uses and collaborate effectively across remote or on-site settings.
Frequently asked questions
Everything clients usually want to know about Node.js, in one place.
Node.js is used to run JavaScript on servers and build APIs, real-time applications, backend services, command-line tools and data-processing workflows. Its asynchronous model works well for I/O-heavy systems such as notification services, chat products and integrations.
Node.js is often weighed against Java, .NET, Python and Go. It is especially attractive when a team wants JavaScript or TypeScript across the stack, rapid API delivery and efficient handling of many concurrent I/O operations; other options may be preferable for CPU-heavy workloads or established enterprise ecosystems.
A strong Node.js specialist usually brings TypeScript, API design, SQL or NoSQL data modeling, automated testing and cloud deployment knowledge. Experience with Docker, CI/CD, queues, caching, authentication and observability is valuable for production systems.
The right Node.js experience depends on the system's risk, scope and existing architecture. A small API may need focused implementation skills, while a high-traffic or regulated service calls for someone who has handled security, resilience, performance and long-term maintenance.
Node.js projects are often well suited to remote collaboration because code, tests, documentation and deployment workflows can be shared online. Dortmund teams should agree on communication routines, working hours, language expectations and access procedures, with on-site sessions added when architecture or discovery benefits from them.
Review how a Node.js specialist explains architecture, testing, security and failure handling, not only the number of features delivered. Ask for relevant examples, inspect API contracts and tests, and discuss how the service is monitored, deployed and maintained after launch.
Node.js is a strong fit for real-time features because its event-driven runtime can manage many open connections efficiently. WebSockets or Server-Sent Events can support chat, presence and live updates, while careful state management and message delivery rules remain essential.
Before starting with Node.js, clarify the runtime and TypeScript setup, package conventions, API ownership, data stores, deployment process and test expectations. Understanding the existing event flow and release risks helps a specialist contribute without introducing fragile dependencies or blocking operations.
The average hourly rate of freelancers in Dortmund, Germany who have used Node.js in their recent projects is 93 €, which corresponds to a daily rate of about 742 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used Node.js in their recent projects, 60% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used Node.js in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Dortmund, Germany who have used Node.js in their recent projects are German (100%), English (100%), and Dutch (29%).
The most common industries among freelancers in Dortmund, Germany who have used Node.js in their recent projects are Information Technology (100%), Healthcare (71%), and Government and Administration (71%).
The most common business areas among freelancers in Dortmund, Germany who have used Node.js in their recent projects are Information Technology (100%), Product Development (100%), and Operations (71%).
Main locations of FRATCH Experts, who have recently used Node.js
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.
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Dusseldorf 
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FRATCH CEO
