REST API Experts in Nuremberg
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Meet FRATCH Experts in Nuremberg, who have recently used REST API
Maciej Sawicki
Last position:
Product Owner at Bundesagentur für Arbeit
- As part of the project, the further development of the identity management system was driven forward. This included a comprehensive refactoring of the interfaces to the connected target systems. In addition, several special systems were successfully connected to the IAM to ensure end-to-end identity and authorization management.
- Technical design and solution proposals for IAM system development
- Requirements analysis and requirements management (IREB, BABOK)
- Alignment of the strategy with the future target architecture (TOGAF)
- Prototyping of solutions
- Documentation of requirements (Innovator)
- Analysis and documentation of requirements and creation of process models (UML, BPMN, ArchiMate)
- Modeling of requirements and system functionalities (OOA/OOD, UML)
- Further development of interfaces (SOAP, REST)
- Carrying out architecture reviews
Bhagyashree Mandlik
Last position:
Salesforce Administrator at gkk Frankfurt GmbH
- Translated complex operational requirements into scalable Salesforce configurations, automation flows and governance policies, ensuring clean and maintainable implementations
- Designed and optimised Flows to eliminate manual steps in key business processes, improving both performance and process compliance
- Managed user roles, permission sets and security settings for a multi-team Salesforce org; ensured data quality and system stability through structured governance practices
- Supported Marketing Cloud integrations and campaign automation workflows, collaborating with business teams on data-driven audience segmentation
- Coordinated release management and deployment activities with development teams, contributing to structured change control processes
Oleg Orlov
Last position:
Senior Software Developer / BI Integration Developer Power BI, C# at Telecommunications
Embedded Analytics & AI-assisted BI
Design and development of an integrated analytics solution based on ASP.NET Core, Power BI Embedded, and LLM services to provide contextual business information.
Development of an AI agent with Function/Tool Calling for secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.
Build-up of automated BI workflows including workspace management, deployment processes, and scheduled refresh via the Power BI REST API.
Implementation of secure service-to-service communication with Microsoft Entra ID and service principal, as well as integration into existing enterprise system landscapes.
Technologies: ASP.NET Core, C#/.NET, Power BI Embedded, Power BI REST API, LLM API, AI Agents, Function/Tool Calling, Entra ID
Megha Hubli
Last position:
Freelance Frontend Developer at Self-employed
- Designing and developing responsive, accessible web applications for SMEs and private clients with React.js, Tailwind CSS, JavaScript, and HTML5.
- Building reusable UI component libraries to improve maintainability and reduce development time.
- Integrating REST APIs and implementing dynamic features (landing pages, portfolios, dashboards) based on Figma/Adobe XD designs.
- Independently managing the full project cycle (analysis, development, testing, deployment on Netlify/Vercel) while following mobile-first and cross-browser standards.
Partha Nandi
Last position:
AI Software Developer at Fraunhofer IIS
- Built a custom AI chatbot for an e-commerce client using GPT-4 and LangChain with RAG, reducing customer support ticket volume by 45% and improving response accuracy to 92%.
- Designed and deployed an intelligent document processing system using LlamaIndex, Pinecone, and FastAPI for a FinTech startup, enabling semantic search across 100K+ financial documents.
- Developed multi-agent AI workflows using CrewAI and LangGraph for a marketing agency, automating lead research, content generation, and outreach — saving 20+ hours/week of manual work.
- Created AI-powered automation pipelines using n8n, Make, and Zapier integrated with CRMs (GoHighLevel, HubSpot), reducing manual data entry by 80% for a real estate firm.
- Delivered prompt engineering and LLM fine-tuning consulting for multiple clients, optimizing AI model outputs for customer support, content creation, and data extraction use cases.
- Built production-ready REST APIs with Python and FastAPI to serve AI models on AWS and GCP, handling 10K+ daily requests with 99.9% uptime.
Michael Fecher
Last position:
Freelancer, Solution Architect at Schufa AG
- Helped to design the AWS infrastructure, integrated services and backend architecture for use cases of an on-premise solution and partial migrations to AWS with fast response times
- Implemented automated AWS integration test suites
- Implemented mission-critical components and delivered them before the deadline in a production-ready state with operation and monitoring concepts
- This 2-month subproject was about building a data-intense pipeline (5 TB) to be enriched continuously with data
- Designed and implemented reusable AWS CDK constructs to be used across the company’s teams to enable faster onboarding with AWS
- Coached on AWS topics, distributed software patterns, security, domain-driven design, agile collaboration and documentation to improve performance and collaboration
- Technologies: AWS, GitHub Actions, ETL, monitoring, operations, TypeScript, Python, AWS CDK, CloudFormation, Java, Docker, AWS ECS, AWS Lambda, serverless, Jenkins, DevOps principles
Benjamin Schötz
Last position:
CRM strategy & requirements analysis for marketing campaigns in the automotive sector at AUDI AG
- Development of strategies, processes and system requirements to further develop the lead and campaign streams of a Salesforce system for the subsystems Sales Cloud, Marketing Cloud and Analytics Cloud
- Gathering and creation of marketing strategy concepts for direct sales, focusing on lead generation for new and existing customers
- Analysis and optimization of existing and new contact points
- Derivation of system requirements and user tests for new developments
- Establishment of a requirements and implementation process for business needs at the interface between CRM strategy and marketing system operations
- Facilitation of ideation workshops with the project's stakeholders
- Mediation between business and technical project stakeholders
- Analysis and post-documentation of existing marketing strategies and the system functions already created for them
- Analysis of target groups and pre-system data quality as a foundation for new CRM strategies
- Consultation on content and asset strategy for marketing campaigns
- Definition of KPIs and other performance criteria for the system and CRM strategy
Arun Sai Thunga
Last position:
AI-Backend Developer Intern at Calvergy UA
- Integrated complex AI-based energy system models into the frontend framework, enabling the visualization of insights for 6+ key clients and maximizing energy utilization.
- Maximized energy efficiency and utilization by architecting the seamless data flow between AI models and the user interface for rapid, actionable reporting.
Elnazossadat Hosseininia
Last position:
Data Analyst at Siemens Healthineers
- Developed KPI dashboards using Power BI and DAX for 4+ business units, improving reporting transparency and strategic decision support.
- Migrated enterprise finance data views into dbt models, implementing modular SQL transformations, version-controlled data pipelines, and automated documentation to create a scalable analytics layer.
- Built dimensional data models in Snowflake for enterprise finance data, enabling scalable forecasting and supporting executive decision-making.
- Designed end-to-end ETL/ELT pipelines using Snowflake and SAP HANA, integrating data from 3+ enterprise systems.
- Automated monthly reporting workflows using SQL and Power BI, delivering strong business impact by reducing manual effort by 80%.
- Collaborated with finance stakeholders to translate business requirements into analytical data models, supporting strategic decision-making cycles.
- Delivered ad-hoc financial reports using Power BI, reducing turnaround time by 60%.
- Implemented data validation logic in SQL, resolving 95% of recurring data quality issues.
Shubhangi Patil
Last position:
Parental leave
- Technology update
- Microsoft Azure certification
Dietmar Bauszat
Last position:
Freelance Developer at Hirschmann/Belden
- Extension of test software for functional testing of IO modules in WPF with MVVM
- Configuration and extension of a specialized WPF control from Nevron
- Connection to Siemens PLCs via Siemens OPC UA Client and Allen-Bradley/Rockwell PLCs via Codebix OPC UA Client
- Integration of various data sources via REST API and JSON
- Development of stored procedures, views, and triggers for PostgreSQL and SQL Server with ADO.NET and Entity Framework 6
Premalatha Sampathi
Last position:
Software Engineer at ASO-TDS(DISCOVERY)
- Created database schemas and liaised with geographically distributed teams using waterfall methodology
- Participated in business workshops and authored technical specification documents aligned with architectural requirements
- Developed high-quality code deliverables and reports using repository tools
Md. Shah Samir
Last position:
Android Engineer at ScrapBays Ltd.
- Built features using Jetpack Compose
- Improved location-based features with in-memory caching
- Developed Merchant-to-Merchant chat functionality from scratch
- Integrated FCM with deep links to enable contextual push notifications
- Performance tuning for Google Maps view using clustering for better performance in dense areas
Ashmi Jha
Last position:
Software Developer at Myrix Labs
- Engineered high-performance APIs with FastAPI + MongoDB, integrating live weather data (NOAA, NWS).
- Developed an AI chatbot with OpenAI APIs — context-aware by location, profession & interests.
- Created admin dashboard APIs for real-time monitoring and zero-downtime configuration.
- Integrated Stripe Embedded Payments with secure transactions & subscription management via webhooks.
Stefan Schmid
Last position:
Senior Software Developer at TT4 GmbH
- Technical lead and development of an Ionic Angular app for iOS and Android
- Further development of a time tracking system with Angular and .NET
- Development of enterprise software with focus on TDD, Angular, .NET and Entity Framework
Discover over 15,000 top freelancers
Statistics of experts using REST API
Aggregated from the professional profiles of matched freelancers.
Experience
14 years (Germany: 17 years)
Position duration
2.1 years (Germany: 2.9 years)
Positions per freelancer
9 (Germany: 12)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Automotive, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 91%)
Master's degree or higher
59% (Germany: 54%)
Certifications per freelancer
3
Most common languages
German, English, Hindi
Speak two or more languages
92% (Germany: 96%)
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 Nuremberg 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 Nuremberg using REST API
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 it covers
A REST API is the interface that lets systems exchange data over HTTP in a predictable way. Strong experts design resources, methods, status codes, and payloads so web apps, mobile apps, and internal services can talk clearly. The goal is simple: stable integration that is easy to use and easy to maintain.
Typical work
- Design RESTful endpoints for new products or service layers
- Refactor older APIs for clearer resource naming and versioning
- Document requests, responses, and errors with OpenAPI
- Set up authentication, pagination, filtering, and rate limits
- Support third-party integrations and partner access
Tooling and standards
REST API work often sits around HTTP, JSON, OpenAPI, Swagger, and API gateways. Professionals also need a solid grasp of authentication flows, caching, idempotency, and backward compatibility. The best specialists keep contracts stable while the underlying services continue to evolve.
When freelance help makes sense
Companies bring in freelance expertise when a platform needs a new integration layer, an existing API has grown messy, or a release depends on interface changes across teams. In Nuremberg, this is common for software firms, industrial systems, logistics, and B2B services that need clear external or internal connections.
What strong experts bring
Strong REST API professionals think in resources, not just endpoints. They write concise contracts, handle edge cases cleanly, and spot places where the API should be simpler. They also work well with backend specialists, frontend teams, and QA so the interface matches real usage.
Collaboration and delivery
REST API projects often need fast feedback, because small contract changes can affect many consumers. Good freelancers can work remotely with clear specifications or join on-site sessions in Nuremberg when workshop time helps. They should leave behind readable documentation, stable examples, and interfaces that other teams can trust.
Frequently asked questions
Before you brief your next project: the most common questions about REST API.
A REST API is used to let software systems exchange data through standard HTTP requests. Companies use it for web and mobile app backends, partner integrations, internal service communication, and data access layers. It is a practical fit when many consumers need a clear, predictable contract.
REST API work is usually simpler to expose, easier to cache, and easier for many teams to understand than SOAP. Compared with GraphQL, REST often fits better when resources and standard operations are enough and you want a clearer, more conservative contract. The right choice depends on the shape of the data and how consumers will use it.
A strong REST API specialist should also know JSON, OpenAPI, authentication, error handling, versioning, and testing. In many projects, they also need a good sense for database-driven systems and service boundaries. That combination helps them design interfaces that stay usable after the first release.
For REST API work, a freelancer can often start with a clear list of resources, user flows, and existing systems. They still need access to the current API, consumer expectations, and any security or compliance rules. The more precise the contract, the faster they can make useful decisions.
Bring in REST API help when an integration deadline is close, an old interface needs cleanup, or internal teams disagree on the contract. Outside specialists are also useful when a product must expose data to partners without breaking the core system. This is common for complex B2B environments and mixed legacy stacks.
Yes. Most REST API work can be done remotely as long as the specialist has access to specs, environments, and feedback from the team. On-site sessions in Nuremberg can still help when the project needs workshops, architecture alignment, or joint debugging with several stakeholders.
Look for clear endpoint design, consistent naming, proper status codes, and documentation that other specialists can follow. A good REST API freelancer also thinks about backward compatibility, security, and how consumers will handle errors. If the interface feels easy to use and hard to break, that is a strong sign.
People often use REST API and RESTful API to mean the same kind of interface. Strictly speaking, REST is an architectural style, while many real systems are REST-like rather than perfectly RESTful. In hiring, what matters most is whether the specialist can design and maintain the actual HTTP contract your project needs.
The average hourly rate of freelancers in Nuremberg, Germany who have used REST API in their recent projects is 85 €, which corresponds to a daily rate of about 679 € based on an 8-hour working day.
Of the freelancers in Nuremberg, Germany who have used REST API in their recent projects, 100% hold at least a Bachelor's degree and 59% hold at least a Master's degree.
On average, freelancers in Nuremberg, Germany who have used REST API in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Nuremberg, Germany who have used REST API in their recent projects are German (100%), English (92%), and Hindi (20%).
The most common industries among freelancers in Nuremberg, Germany who have used REST API in their recent projects are Information Technology (96%), Automotive (48%), and Banking and Finance (44%).
The most common business areas among freelancers in Nuremberg, Germany who have used REST API in their recent projects are Information Technology (100%), Product Development (92%), and Quality Assurance (60%).
Main locations of FRATCH Experts, who have recently used REST API
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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Munich 
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Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Bremen 
Dresden 
Hanover Request a free demo
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Philipp Thomaschewski
FRATCH CEO
