TypeScript Experts in Dortmund
in minutes with vetted freelancers and the power of AIHire experts who build typed frontend apps, Node.js services, shared libraries, and safer refactors with TypeScript. Get fast, precise matching with vetted, available freelancers who fit your stack and delivery needs.
Meet FRATCH Experts in Dortmund, who have recently used TypeScript
Oliver Kierepka
Last position:
Founder & Manager at ThinkForm Studio – AI Product Design & Innovation
Designing AI-native digital products by combining product strategy, UX research, interaction design, software engineering, and modern AI workflows. Leading projects from discovery to implementation while integrating AI throughout the entire product development lifecycle.
Key responsibilities
- → Product discovery, stakeholder workshops, Jobs-to-be-Done and user research
- → User journey mapping, information architecture and interaction design
- → Wireframes, high-fidelity UI, prototypes and scalable design systems in Figma and Penpot
- → AI-assisted interface generation and rapid concept exploration using Figma AI, Figma Make and generative design workflows
- → Design-to-code workflows with AI-supported frontend generation and engineering collaboration
- → Building accessible interfaces following WCAG 2.2 and enterprise design standards
- → Usability testing, iterative validation and KPI-driven product optimization
- → Development of AI knowledge systems, MCP-powered design workflows and human-in-the-loop review processes
- → Close collaboration with engineering teams to ensure production-ready implementation
Nemanja Milenković
Last position:
AI Engineer / Senior Backend Engineer at Intelycx
Manufacturing intelligence platform with enterprise workflows, RAG, real-time AI assistant features, and multi-repository backend architecture.
- Built and extended production AI/backend services with Django, DRF, FastAPI, GraphQL, Celery, PostgreSQL, MySQL, Redis, and WebSockets across a modular multi-repository platform.
- Contributed to ARIS V2, a real-time manufacturing AI assistant using LangChain, LangGraph, MCP tool orchestration, planning/execution flows, OpenAI, AWS Bedrock, Qdrant, and Elasticsearch/OpenSearch-backed retrieval.
- Supported rollout expansion from ARIS V1 in 4 of 17 client production plants to ARIS V2 currently active in 13 of 17 plants, increasing real-world deployment coverage to more than 50% of the client footprint.
- Worked on document-grounded RAG functionality including ingestion, OCR, chunking, embeddings, indexing, retrieval, reranking, and grounded answer generation for industrial workflows.
Stack: Python, Django, DRF, FastAPI, LangChain, LangGraph, GraphQL, Celery, WebSockets, OpenAI, AWS Bedrock, Qdrant, Elasticsearch/OpenSearch, PostgreSQL, MySQL, Redis, Docker.
Manuel Kübler
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#
Laurin Hagemann
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Arkadius Sikora
Last position:
Architect; Senior Developer; Full Stack Developer; DevOps Lead at Bitmarck Holding GmbH
- Requirement engineering for Ombudsstelle and creation of technical user stories for EPA V3
- Handling of objections and revocations via mail and letter with high transaction mail volume
- Coordination with other teams on interfaces
- Design of a highly available, high-throughput solution on OpenShift with Java backend microservices
- Implementation and extension of microservices
- Infrastructure setup for deployment on OpenShift/Kubernetes including Jenkins pipelines
- Integration with BitIAM, TI-M Fachdienst, Consent Keeper and FDV
- Capture of requirements from DevOps operations and business units
- Continuous integration and Scrum practices
- Use cases: Kassenfusion, Opt-Out, Last Test, Widerspruchsmanagement
- Integration test automation and feature extensions including Spring Boot 3 updates
Patrik Garten
Last position:
Technical Lead Conversational AI at CANCOM
- Technical lead of a team developing agentic chatbot solutions (React, TypeScript, Python, FastAPI)
- Architecture design for multi-LLM dialog systems - focus on maintainability, UX, and autonomous execution
- Stakeholder alignment, CI/CD processes, and AI integration at enterprise level
Thomas Grevenkamp
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue monitoring
- Built a central monitoring solution to track the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job status in real time
- Implemented an automated alerting workflow with Power Automate – when a job fails, a notification email is sent immediately
- Ensured transparency about the state of productive background processes during live operations
Result: Full transparency over failed Business Central jobs · Clear reduction in response time through automated email alerting · Stable foundation for proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Hendrik Belitz
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
Yasin Yildiz
Last position:
DevOps Architect & Backend Developer at Schweizerische National Bank
- Architecting and enhancing the DevOps infrastructure in a regulated environment
- Migration, planning, and development from a monolith to microservices (ASP.NET Core)
- Building and maintaining CI/CD pipelines (GitLab, Jenkins) to support agile development
- Managing artifact repositories with JFrog Artifactory and security scans via Xray
- Migrating and integrating source code repositories (SVN → GitLab)
- Operating and configuring a container platform with OpenShift
- Automating deployments with Ansible, Helm, and the Ansible Automation Platform
- Implementing monitoring and alerting solutions with Prometheus
- Collaborating closely with the frontend development team to optimize build, test, and release processes
- Supporting the establishment of secure and scalable infrastructure processes (Secure SDLC)
- Documenting and sharing knowledge within the team
- Leading refinements and designing the backend architecture
Ilja Leyberman
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
Discover over 15,000 top freelancers
Statistics of experts using TypeScript
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 17 years)
Position duration
2 years (Germany: 2.8 years)
Positions per freelancer
12 (Germany: 11)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Healthcare, Education
Certification focus areas
Product Development, Information Technology, Project Management
Bachelor's degree or higher
71% (Germany: 89%)
Master's degree or higher
29% (Germany: 49%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
100% (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 Dortmund 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 Dortmund using TypeScript
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
Typed JavaScript
TypeScript adds static typing to JavaScript without changing how the runtime works. Companies use it to build frontend apps, backend services, shared code, and large codebases that need clearer contracts between teams. It is common in web products, internal tools, and APIs.
Typical work
- Frontend apps with React, Angular, or Vue
- Node.js APIs and service layers
- Shared packages, SDKs, and utility libraries
- Refactors from plain JavaScript to TypeScript
- Build and test setup for typed projects
Tooling and ecosystem
Strong specialists know the TypeScript compiler, strict settings, path aliases, and declaration files. They also work well with ESLint, ts-node, Vite, Webpack, Jest, and modern framework tooling. Good delivery depends on clean types, not just making the code compile.
Why companies hire
Teams bring in freelance TypeScript expertise when a codebase has grown hard to change, type coverage is inconsistent, or a migration needs structure. It also helps when a product team in Dortmund wants to support both local and remote collaboration on the same codebase. Clear reviews and stable interfaces matter more than quick patches.
What strong specialists do
A strong TypeScript professional writes types that match real business rules, not just syntax. They reduce unsafe casts, model edge cases, and keep public interfaces easy to use. They also understand when to use interfaces, unions, generics, and type guards.
Good fit signals
A company usually needs TypeScript expertise when:
- JavaScript has become difficult to maintain
- Frontend and backend teams share contracts
- A framework upgrade changed the type system
- API responses need stronger guarantees
- The project needs cleaner testing and refactoring
Frequently asked questions
Before you brief your next project: the most common questions about TypeScript.
TypeScript is used to build safer JavaScript applications with clear types. Companies rely on it for frontends, Node.js services, shared libraries, and APIs where many parts of the codebase need to stay consistent. It is especially useful when a project grows beyond a small team.
TypeScript adds type checking, better editor support, and earlier error detection on top of JavaScript. JavaScript is still the runtime language, so TypeScript code is compiled before it runs. Teams often choose it when plain JavaScript has become harder to review and maintain.
A TypeScript freelancer helps when a codebase needs a migration, stricter types, or a cleanup after years of fast delivery. It is also a good fit for architecture work around shared packages, API contracts, and testing setup. If internal teams are busy, external support can keep the refactor moving.
A strong TypeScript specialist usually knows JavaScript well, plus one or more frameworks such as React, Angular, Vue, or Node.js. Useful extras include testing tools, build systems, API design, and Git-based collaboration. In practice, the best match depends on the surrounding stack.
A TypeScript project with a simple frontend can often be handled by someone who knows the framework and the basics of types. A migration, shared library design, or complex API layer needs deeper experience with generics, unions, and compiler settings. The harder the type model, the more important specialist review becomes.
Yes, TypeScript fits remote collaboration very well because types make interfaces and changes easier to review. For companies in Dortmund, that means on-site workshops can be combined with remote delivery. The key is clear communication around code standards and release process.
A good TypeScript professional writes code that is easy to read, safe to change, and close to the actual business rules. Look for clean type models, careful handling of null and undefined, and a calm approach to migrations. They should improve the codebase without hiding problems behind loose types.
No, TypeScript is common on the frontend, but it is also widely used in Node.js backends, tooling, and shared packages. Many teams use it across the full stack so contracts stay aligned. That is one reason it works well for products with several services and interfaces.
The average hourly rate of freelancers in Dortmund, Germany who have used TypeScript in their recent projects is 92 €, which corresponds to a daily rate of about 738 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used TypeScript in their recent projects, 71% hold at least a Bachelor's degree and 29% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used TypeScript in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Dortmund, Germany who have used TypeScript in their recent projects are German (100%), English (100%), and Spanish (20%).
The most common industries among freelancers in Dortmund, Germany who have used TypeScript in their recent projects are Information Technology (100%), Healthcare (80%), and Education (60%).
The most common business areas among freelancers in Dortmund, Germany who have used TypeScript in their recent projects are Information Technology (100%), Product Development (100%), and Operations (80%).
Main locations of FRATCH Experts, who have recently used TypeScript
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 
Essen 
Bremen 
Dresden 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
