JSON Experts in Switzerland
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Meet FRATCH Experts in Switzerland, who have recently used JSON
Detlef Witt
Last position:
Sourcing Manager at BEDAG Informatik AG
- Solely responsible for managing procurement operations
- WTO tenders in an open procedure
- Invitation process
- Direct call-offs and mini-tenders from framework contracts
- Simap.ch, SuisseOffer.ch, Confluence, Jira, Microsoft 365 applications
Reinhold Schätz
Last position:
Senior Software Developer at Hitachi Energy
- Support and further development of the Leegoo Builder
- Handling ad hoc requests
- Definition of rules/attributes and their rules
- Optimizing and managing SQL queries
Patrick Riegler
Last position:
DevOps Engineer at Swisscard AECS AG
- PoC for various platform integration functionalities using Backstage and Crossplane
- Implementation of improvements of developer experience with Azure AVD and DevSpace
- Manage application deployment infrastructure on Kubernetes clusters
- Manage CI/CD platform
- Manage deployments into Kubernetes (Rancher and AKS) and into Azure
- Act as security champion of the DevOps team
- Manage vulnerabilities and support dev teams to manage third-party vulnerabilities using JFrog Xray
- Support building the platform team
- Manage infrastructure as code using Terraform and Atlantis
- Build and integrate a platform and IDP using Crossplane
Reto Bachmann
Last position:
Managing Director at Atsoft GmbH
- Consulting in ICT, business processes, system architecture, web integration, client-server computing, cross-platform development, responsive web design, social media integration, GUI
- Custom and specialized solutions
- Applications for small and medium-sized enterprises
- Web services, web applications, portals, application extensions (add-ins, plug-ins)
- Database design, interface solutions
- Outsourcing in various industries
- Solutions for other software houses
- Project management and project support (software engineering, coding)
Felix Schmidt
Last position:
Senior iOS Developer at Commerzbank AG
- The comdirect app for iOS offers an intuitive and user-friendly mobile banking app that allows users to manage their banking efficiently and securely.
- Central features: bank transfers, portfolio analysis, personalized financial manager to facilitate daily banking and financial planning.
- Users: over 1 million.
- Written in native Swift using UIKit and SwiftUI.
- App-wide MVVM and Coordinator design pattern.
- Partial reactive programming using Apple’s Combine framework or vendor RxSwift.
- API integrations and data structures with JSON.
- Documented clean code.
- Continuous integration with Git and Jenkins.
- High unit test coverage with XCTest.
- Agile project setup according to Scrum.
Christoph Wagner
Last position:
System Architect / System Engineer / Programmer at Deutsche Vermögensberatung (DVAG)
- Create requirements for the modularization of the promotion forecast.
- Set up and expand the various competitions for 2024.
- Customize and test the CICS dialog.
- Create various reports for the department using SQL.
- Implement and test new requirements in batch processes with IWS.
- Update documentation for the new requirements.
- Provide on-call support for daily and monthly production.
- Technologies used: SCRUM, Jira, Confluence, Windows 11, Unix, Enterprise Developer, z/OS, GIT, Mineral, Moped, IWS/TWS, JES, COBOL, CICS, DB2, SQL, Rocket, FortiClient, Citrix.
Sibylle Hampe
Last position:
SAP ABAP-OO Development (cross-module) at Asendia
- Creation of interfaces for transferring SD orders and customer master data (including various protocols and the ability to handle erroneous data)
- Analysis and adjustment of existing programs due to infrastructure change
- SOAP and REST API for creating customer master data from SugarCRM
- REST APIs in JSON (SD orders, invoices, payments, PDF forms)
- Log program for REST APIs
- Creation of various invoice forms in 8 languages including document links, email delivery, PDF generation
- Provision of data for the data warehouse
- Various user exits and enhancements in SD and FI
- Intercompany sales order creation, program for creating credit memos (uploads from Excel and from the server)
- Reports (VAT, sales orders, invoices)
- Correction program for CO data
- Support for various interfaces, notes, etc.
- Enhancement for IDoc INVOIC02
- Upload program for XML files (Rydoo) to post cash receipts into FI (FB01)
- Creation of dunning forms in various languages (Smartforms and Adobe including email delivery)
- Account statement program (ALV displaying postings, sending to debtors via email using Smartform as PDF)
Discover over 15,000 top freelancers
Statistics of experts using JSON
Aggregated from the professional profiles of matched freelancers.
Experience
34 years
Position duration
2.4 years
Positions per freelancer
18
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Banking and Finance, Healthcare
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
40%
Master's degree or higher
20%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
86%
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 Switzerland 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 Switzerland using JSON
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
What JSON does
JSON, short for JavaScript Object Notation, is a simple format for moving structured data between systems. It is used in APIs, app settings, event messages, and data exports because it is easy to read and easy to parse. Teams often bring in experts when data needs to stay clean across many services.
Common uses
- REST and GraphQL API payloads
- Configuration files and feature flags
- Webhooks, event streams, and message bodies
- Data exchange between front end and backend systems
- Log exports, imports, and migration scripts
Ecosystem around it
Strong JSON work often includes JSON Schema, JSON Patch, JSONPath, and JSON-LD. Specialists also know how JSON fits with OpenAPI, validation libraries, and tooling in JavaScript, Python, Java, and .NET. The goal is not only valid syntax, but reliable contracts between systems.
When experts help
Companies hire freelance specialists when API payloads break, schemas drift, or integrations need a clean redesign. They also help when teams need better validation, safer versioning, or a data model that works across services. In Switzerland, this often matters for distributed product teams that work across office and remote setups.
What strong specialists do
A strong JSON professional writes clear structures, avoids ambiguity, and keeps data models consistent. They know when to use objects, arrays, enums, and nested documents, and they catch edge cases before they reach production. They also document fields so other experts can use the data without guessing.
Quality and collaboration
Good JSON work is measurable in fewer integration errors and less rework. Look for specialists who can review payloads, design schemas, and explain tradeoffs in plain language. For Switzerland-based teams, remote collaboration is common, but on-site work can help when data contracts need close alignment with product and engineering leads.
Frequently asked questions
Key details about JSON, drawn from the questions we get asked most.
JSON is used to move structured data between systems in a format that is easy to read and easy to process. Companies use it for API responses, request bodies, configuration, and event data. It is often the default choice when different services need to exchange the same data reliably.
JSON is usually chosen when a team wants a compact data format with broad support across web and backend tools. XML is more verbose and can fit older enterprise integrations, while YAML is often better for human-edited configuration. A good specialist knows when JSON is the right fit and when another format is a better match.
A company should bring in a JSON specialist when payloads are inconsistent, integrations keep failing, or data needs a clearer structure. They are also useful during API redesigns, system migrations, and schema cleanup. If multiple services depend on the same payloads, expert help reduces risk quickly.
A strong JSON freelancer often also knows API design, validation rules, schema tools, and one or more backend languages. Familiarity with OpenAPI, JSON Schema, and common web frameworks is especially useful. Testing and documentation skills matter too, because JSON quality depends on clear contracts.
A JSON project can be simple or highly sensitive, depending on how many systems depend on it. Basic formatting help may be enough for a small task, but shared schemas, event payloads, and public APIs need someone who has handled production integrations before. The more systems involved, the more important review and testing become.
Yes, JSON work is often remote-friendly because the main deliverables are schemas, payload examples, validation rules, and documentation. For teams in Switzerland, that works well when product owners, backend specialists, and front end specialists can review contracts together online. On-site sessions can still help when a data model needs fast alignment.
A good JSON freelancer produces data that is consistent, documented, and easy to validate. Look for clear handling of optional fields, null values, arrays, and version changes, not just valid syntax. Strong specialists also think about how the data will be consumed by other systems, not only how it looks in one file.
No. JSON is a data format, not a programming language. It started from JavaScript syntax, but it is now used far beyond JavaScript in APIs, services, and tools across many stacks.
The average hourly rate of freelancers in Switzerland who have used JSON in their recent projects is 113 €, which corresponds to a daily rate of about 900 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used JSON in their recent projects, 40% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Switzerland who have used JSON in their recent projects have 34 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Switzerland who have used JSON in their recent projects are German (100%), English (86%), and French (57%).
The most common industries among freelancers in Switzerland who have used JSON in their recent projects are Information Technology (100%), Banking and Finance (71%), and Healthcare (71%).
The most common business areas among freelancers in Switzerland who have used JSON in their recent projects are Information Technology (100%), Product Development (100%), and Business Intelligence (71%).
Main locations of FRATCH Experts, who have recently used JSON
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:
Zurich Geneva Basel Bern Request a free demo
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Philipp Thomaschewski
FRATCH CEO
