Swagger Experts in Austria
, matched fast with vetted, available freelance specialistsHire experts who design OpenAPI contracts, configure Swagger UI and automate client or server generation for REST services. Get precise matching with vetted, available freelancers who can join remote or on-site projects across Austria.
Meet FRATCH Experts in Austria, who have recently used Swagger
Peter S.
Last position:
Lead Software Architect at Pritz IT GmbH
- Lead software architect in a greenfield MES project (Manufacturing Execution System / factory control system), responsible for architecture decisions, technology selection, and technical direction throughout the entire development lifecycle
- Designed and built the core framework from scratch, including several reusable Spring Boot starters (e.g., OPC-UA integration, messaging, security) that enable flexible composition of the individual system modules
- Introduced Keycloak as the central authentication and authorization system with SSO across all MES components
- Created and owns the full CI/CD pipeline covering Java, NPM and Docker – automating build, test, containerisation and deployment across all project components
- Set up the architecture documentation space in Confluence as the single source of truth for all architecture decisions, component designs, and integration patterns
- Defined and enforced naming conventions and coding standards to ensure consistency in the growing codebase
- Conducted regular code reviews for quality assurance, knowledge sharing, and adherence to architecture guidelines
- Created and maintained technology roadmaps to guide future development priorities and infrastructure investments
Jaroslav A.
Last position:
Child care, personal development and learning
Namik D.
Last position:
Test Manager / Test Automation Engineer at Sky Deutschland GmbH
- Implemented and maintained 443 automated test cases with a 99% pass rate (441/443)
- Enabled CI for test automation: automated runs on review/merge, reporting via Xray
- Introduced accessibility and performance checks and established them in reporting
- Served as QA lead in daily operations with stand-ups, Kanban progress tracking, prioritization, and targeted task distribution
- Handled defect triage and stakeholder communication with daily triage, QA status analysis, and actionable recommendations
- Developed and maintained a stable regression suite for CRM/Salesforce flows (UI/E2E and near-API validations)
- Integrated CI/CD using Jenkins pipelines with Groovy (IaC)
- Maintained QA documentation, test conventions, and processes in Confluence, aligned across the team
- Conducted Salesforce Einstein chatbot testing with intent/topic validation and output checks, and used Robot Framework/Python suites for continuous quality monitoring
- Technology stack: Jira, Xray, Confluence, Jenkins, Groovy, Git, Java, Selenium, Playwright, Cucumber, TypeScript, Postman, REST, Salesforce, Google Cloud, Lighthouse, Evinced, Scrum/Kanban, BDD (Gherkin)
Joseph W.
Last position:
Freelancer Cloud / Solution Architect (AWS) at A1 Bank
- I am responsible for providing solution architecture and technical assistance for a migration initiative aimed at transitioning to a new core banking system.
- The project involves replacing in-house development with a commercially available off-the-shelf core banking system operated as SaaS on AWS.
- Duties encompass solution design, technical coordination, supporting development teams, and providing IT support and troubleshooting.
- Managing over 10 global vendors and partners is crucial to project success.
- Technologies: VMWare ESXi, AWS, EKS Kubernetes, Mastercard Payment Transaction Service, Avaloq, A1 Telekom Austria infrastructure, CheckPoint FW, F5, Site-to-Site VPNs, PingID, Futurae SDK, Airlock, UC4/Automic, Firebase, iOS/Android lifecycle management, AWS IAM, AWS AppStream, AWS S3, AWS Transfer Family, QlikView, OpenAPI.
Vladislav F.
Last position:
Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA
- Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
- Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
- Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
- Automating backend NUnit test cases in Visual Studio
- Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
- Detailed analysis and quality assurance of requirements
- Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
- Close collaboration with business analysts, developers, testers and test management
- Identifying, creating and tracking defects/bugs, with thorough test documentation
- Reporting test results and defect reports
- Monitoring test processes and continuous improvements
- Reviewing test data and test results in PostgreSQL database via pgAdmin
- Supporting effort estimation and backlog prioritization
- Analyzing and debugging 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
Kurt B.
Last position:
Backend / Microservice Developer, DevOps, Test Automation at RCA, Rail Cargo Austria AG
- Backend / Microservice Developer, DevOps, Test Automation
- ~100 Devs, ~10 Teams, per team: 1 PO, 1 Scrum Master, 1 UX, 1 Developer, 1 Tester
- .net core 8, 9, C#
- Microservices, Clean-Architecture, MediatR, CQRS
- GraphQL, REST, SDL
- Azure DevOps, CI / CD-pipelines, Azure-Service Bus, Rabbit-MQ, Kafka, Azure App Configuration, Azure KeyVault, Azure Kubernetes AKS
- Splunk, dashboards, custom metrics, Elastic-Search, Kibana (ELK)
- Azure SQL-Databases, Azure Cosmos DB
- Architecture decisions, event governance, COP (Backend, DevOps, FrontEnt, Test Automations)
- AI, Copilot, creating test templates
- Scheduler, Hangfire, Quartz
- Automated unit and integration tests
- Automated E2E tests, Playwright test automation, BDD, Gherkin, Cucumber
- Tracking of shipments
- GIS, GPS data, geofence, geo search, position tracking, asset positions
- Jira, Confluence
- Focus on high-performance message-oriented architecture (~xx million messages per month per service)
- Structured logging, Serilog, OTel, Splunk, Application Monitoring
- Integration of different position data sources (GPS-based data) into Azure Data Lake
Simon S.
Last position:
Owner at Simon Söllinger e.U.
Jasmin G.
Last position:
Cloud Developer & DevOps Engineer at Energy Utility Company
- Further developing microservices (Go, .NET)
- Expanding gRPC APIs
- Maintaining Kubernetes clusters (AKS)
- Managing the system landscape
- Migrating Azure App Services to Kubernetes
- Creating and extending Azure Pipelines
- Developing a Go microservice to receive and send events from Azure Service Bus
- Integrating KEDA for autoscaling
- Technologies used: Go, .NET, Azure Portal, Terraform, Kubernetes, Helm, MongoDB, Jaeger, Grafana
Karl S.
Last position:
Freelancer
- Implementation of a Blazor application and Windows services with RabbitMQ, MS Orleans, SignalR and Powershell to manage automatic deployments and updates in VMware
- Development of a WPF application with C# and REST API integration (object annotation) for a German automotive company in distributed teams (Austria, Germany, Russia, India) with the following tasks:
- Requirement analysis, design, implementation, branching/merging, code reviews, optimizations, testing, bug fixing
- Integration of payment terminals and card readers into a vending platform using .NET Core
- Frontend development in Angular & AngularJS (SignalR and REST API integration, TypeScript, HTML, CSS)
Christian H.
Last position:
Senior Full Stack Developer at Adria Magazin GmbH
Jesolo Tickets – Booking platform for tickets
Design and implementation of a multi-tenant booking platform for the online sale of bus and ferry tickets in the Jesolo region of northern Italy. Travel agencies and event organizers embed a customizable booking widget on their own websites; travelers check live availability, book multiple passengers and pay online in just a few clicks.
- Real-time booking: Schedules and prices are provided live via the transport providers' APIs; after payment, tickets are automatically delivered as QR-coded PDFs – with no manual issuing required.
- Provider architecture: New providers can be onboarded without code changes; an origin-based multi-tenant model with its own domain and payment configuration for each partner site allows the platform to grow with every customer.
- Clean architecture: Three-layer structure (Handlers → Services → Data Store) with caching – availability queries remain fast and maintainable even with many parallel requests.
Tech-Stack: Go, Echo, PostgreSQL (pgx), Stripe, Web Components, Tailwind CSS, esbuild, Docker, GitLab CI, Hetzner VPS
Discover over 15,000 top freelancers
Statistics of experts using Swagger
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
2.8 years
Positions per freelancer
9
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Quality Assurance, Customer Service
Bachelor's degree or higher
71%
Master's degree or higher
29%
Certifications per freelancer
2
Most common languages
German, English, Bosnian
Speak two or more languages
100%
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 Austria 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 Austria using Swagger
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.
Swagger 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%)
- Banking and Finance (40%)
- Transportation (40%)
- Retail (40%)
- Media and Entertainment (30%)
- Telecommunication (30%)
- Utilities (30%)
- Automotive (20%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Swagger does
Swagger is a set of tools for describing, documenting and exploring HTTP APIs. Its specifications and interfaces are now closely connected with OpenAPI, while Swagger remains a widely used name for the tooling ecosystem. Teams use it to make REST services easier to understand, test and integrate.
Core deliverables
A specialist turns API behavior into a clear, maintainable contract that frontend teams, partners and quality teams can use. Typical deliverables include:
- OpenAPI definitions for REST endpoints, schemas and authentication
- Interactive Swagger UI documentation for development and support
- Swagger Editor workspaces for reviewing and refining API contracts
- Generated client libraries, server stubs or request examples
Ecosystem and tooling
Swagger UI renders an OpenAPI description as interactive documentation, while Swagger Editor supports authoring and validation. Swagger Codegen and related generators help create client or server scaffolding. Strong work also connects these tools with Git workflows, continuous integration, API gateways, testing suites and schema validation.
When companies need help
Companies often bring in freelance expertise when an API has grown inconsistently, documentation no longer matches production, or several teams need a shared contract. Specialists can establish a contract-first workflow, migrate older Swagger definitions toward current OpenAPI practices, and prepare documentation for external consumers. In Austria, remote collaboration is common, while on-site workshops can help align product, security and integration teams.
Skills beyond Swagger
Effective professionals understand HTTP methods, status codes, headers, JSON schemas and authentication patterns such as OAuth 2.0 or API keys. They should be comfortable with REST design, versioning, error models and backward compatibility. Experience with Java, .NET, Node.js, Python or API gateways helps them connect documentation to the systems that actually serve the endpoints.
How strong specialists work
Quality is more than producing attractive API pages. Strong specialists keep the specification synchronized with implementation, model edge cases, describe security requirements precisely and make examples executable. They validate contracts in automated checks, communicate clearly with technical and non-technical stakeholders, and leave maintainable guidance that teams can extend after the engagement.
Frequently asked questions
Quick answers to the questions that come up most around Swagger.
Swagger is used to describe, document and test REST APIs through an OpenAPI definition and tools such as Swagger UI. It gives teams a shared view of endpoints, parameters, responses and authentication requirements.
Swagger was the original name of the API specification and its surrounding tools. The specification was later donated and renamed OpenAPI, while products such as Swagger UI, Swagger Editor and Swagger Codegen kept the Swagger name.
Swagger and Postman address different but related needs: Swagger and OpenAPI define an API contract and documentation, while Postman is mainly used for sending requests, collections and workflow testing. RAML is another API description language, so the right choice depends on existing tooling, governance and team skills.
Swagger work benefits from solid REST design, HTTP, JSON Schema and API security knowledge. Familiarity with OAuth 2.0, CI pipelines, contract testing, API gateways and a backend language helps a specialist connect the specification to a working service.
Swagger documentation for a small, stable API may need focused tooling knowledge. A large or changing API calls for deeper experience with contract design, versioning, schema reuse, generated code and keeping documentation aligned with production.
Swagger projects are well suited to remote collaboration because specifications, reviews and validation run through shared repositories and development workflows. On-site sessions in Austria can still be useful for API workshops, domain alignment or decisions involving several departments.
Swagger quality is visible in accurate examples, complete response models, clear error cases and correctly documented security flows. Ask a specialist how they validate the contract, prevent drift from implementation and support consumers who integrate the API.
Swagger expertise is valuable when API documentation is incomplete, inconsistent or difficult for consumers to use. A freelancer can also help during an API redesign, an OpenAPI migration, a partner integration or the rollout of contract-first delivery.
The average hourly rate of freelancers in Austria who have used Swagger in their recent projects is 89 €, which corresponds to a daily rate of about 715 € based on an 8-hour working day.
Of the freelancers in Austria who have used Swagger 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 Austria who have used Swagger in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Austria who have used Swagger in their recent projects are German (100%), English (100%), and Bosnian (20%).
The most common industries among freelancers in Austria who have used Swagger in their recent projects are Information Technology (100%), Banking and Finance (40%), and Transportation (40%).
The most common business areas among freelancers in Austria who have used Swagger in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (60%).
Main locations of FRATCH Experts, who have recently used Swagger
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.
Countries:
- Germany
- Austria
- Switzerland
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FRATCH CEO
