REST APIs freelance projects in Germany: 399 new listings

Of the 5,166 IT projects posted on freelance.de, gulp.de, freelancermap.de, projekt-pool.de and solcom.de in the last 14 days, 399 require REST APIs. The 30 newest listings for IT freelancers are here; all 399 on the projects page.

As of 2 Nov 2026, 17:12 (German time). The page is updated hourly between 6:00 and 18:00.

Remote: 150 fully, 187 hybrid, 3 on site240 as a freelance contractMost frequent city: Frankfurt (109)Most frequent role: Java Backend Developer (76)Boards: freelancermap.de 305 · freelance.de 85 · gulp.de 6 · solcom.de 341 of them since yesterday

Often asked for together: Java, CI/CD, Scrum, Jira, Test Automation

The 30 newest REST APIs freelance projects

1. 4382-3334 - Senior Angular Developer (m/w/d) – Nx / Monorepo / Migration

   freelancermap.de · 2 Nov 2026 · D65 · Freelance contract · on site

   • Angular
   • TypeScript
   • PrimeNG
   • HTML
   • CSS
   • REST APIs

2. Senior SAP FI/RE-FX & BW/4HANA Developer (m/w/d)

   freelancermap.de · 2 Nov 2026 · Remote · Freelance contract · 100% remote

   • SAP FI
   • SAP RE-FX
   • SAP BW
   • SAP Datasphere
   • SAP Analytics Cloud
   • ABAP

3. ServiceNow Consultant / Developer (m/w/d) – SOM, CSM & Schnittstellen

   freelancermap.de · 2 Nov 2026 · Frankfurt · Freelance contract · 100% remote

   • ServiceNow
   • Sales
   • Order Management
   • Customer Service Management
   • System Integration
   • REST APIs

4. SAP SD Consultant (m/w/d)

   freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 40% remote

   • SAP SD
   • Customizing
   • SAP Debugging
   • User Exits
   • SAP
   • ABAP

5. Senior ServiceNow CSM / SOM Interface Implementierer (m/w/d) | Remote

   freelancermap.de · 2 Nov 2026 · Stuttgart · Freelance contract · 95% remote

   • ServiceNow
   • Customer Service Management
   • REST APIs
   • Product Data Management
   • Order Management
   • German

6. Test /QA Engineer for Barcelona

   gulp.de · 2 Nov 2026

   • Test Automation
   • API Testing
   • REST APIs
   • GraphQL
   • UI Automation
   • CI/CD

7. Projektleitung | SAP S/4HANA (m/w/d)

   freelance.de · 2 Nov 2026 · Frankfurt

   • SAP S/4HANA
   • Project Leadership
   • SAP
   • Integration
   • Project Management
   • Agile Methods

8. Senior Java Backend Engineer (m/w/d) | München | 90% Remote | MMA15198

   freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 90% remote

   • Java
   • Spring Boot
   • DB2
   • Oracle
   • PostgreSQL
   • SQL

9. Functional Engineer eBanking (46726-16CON)

   freelancermap.de · 2 Nov 2026 · Frankfurt · Freelance contract · 100% remote

   • Online Banking
   • Business Process Analysis
   • Test Management
   • Requirements Engineering
   • Zahlungsverkehr
   • Accounting

10. [MEI000054] Senior BI-Developer SAP BW/4HANA und Datasphere (m/w/d)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Freelance contract · 100% remote

    • SAP BW
    • SAP Datasphere
    • SAP FI
    • SAP RE-FX
    • Railway Operations
    • ABAP

11. Senior Angular Developer (m/w/d) – Nx / Monorepo / Migration

    gulp.de · 2 Nov 2026 · on site

    • Angular
    • Nx
    • Monorepo
    • Migration
    • Application Architecture
    • Refactoring

12. SAP BI-Developer (FI, RE-FX) (m/w/d) – AFRA-100

    freelance.de · 2 Nov 2026 · Frankfurt · Freelance contract · 100% remote

    • SAP BW
    • SAP Datasphere
    • SAP FI
    • SAP RE-FX
    • SAP Analytics Cloud
    • German

13. SAP E-Invoicing Techniker / Entwickler (m/w/d)

    freelancermap.de · 2 Nov 2026 · Cologne · Freelance contract · 100% remote

    • SAP
    • SAP FI
    • SAP SD
    • E-Invoicing
    • XML
    • IDoc

14. Developer (m/w/d) (ID: 2051)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Employee leasing (ANÜ) · 100% remote

    • SAP BW
    • SAP Datasphere
    • SAP Analytics Cloud
    • SAP FI
    • SAP RE-FX
    • German

15. Developer (m/w/d) (ID: 2050)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Employee leasing (ANÜ) · 100% remote

    • SAP FI
    • SAP RE-FX
    • SAP BW
    • SAP Datasphere
    • SAP Analytics Cloud
    • German

16. Java / SpringBoot Engineering im Versicherungsumfeld

    freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 90% remote

    • Java
    • Spring Boot
    • OpenShift
    • Kubernetes
    • DB2
    • Oracle

17. Backend Entwickler (Java / Spring Boot) für langfristige Festanstellung (m/w/d)

    freelancermap.de · 2 Nov 2026 · Remote · Fixed-term employment · 100% remote

    • Java
    • Spring Boot
    • Kafka
    • Docker
    • Kubernetes
    • Cloud Architecture

18. Technischer Analyst / Schnittstellenanalyst – SAP-Integration (m/w/d)

    freelancermap.de · 2 Nov 2026 · Remote · Freelance contract · 100% remote

    • Technical Analysis
    • Interface Management
    • Interface Specification
    • Data Mapping
    • Integration Architecture
    • REST APIs

19. Senior Integration Engineer MES/ERP, SAP PP/PM, ISA-95, OPC UA, Manufacturing, Remote

    freelancermap.de · 2 Nov 2026 · BerlinBrandenburg · Freelance contract · 100% remote

    • MES
    • SAP PP
    • SAP PM
    • SAP S/4HANA
    • OData
    • BAPI

20. Senior Software Engineer (m/w/d)

    freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 90% remote

    • Spring Boot
    • OpenShift
    • API Design
    • Distributed Systems
    • Access Management
    • REST APIs

21. E2E Consultant Softwareentwicklung & Architektur (Spring/OpenShift/KI)

    freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 90% remote

    • Spring Boot
    • OpenShift
    • Software Architecture
    • API Design
    • Distributed Systems
    • REST APIs

22. Senior Integration Engineer MES/ERP, SAP PP/PM, ISA-95, OPC UA, Produktion, Agentic AI

    freelancermap.de · 2 Nov 2026 · BerlinBrandenburg · Freelance contract · 80% remote

    • MES
    • Maintenance
    • SAP PP
    • SAP PM
    • SAP S/4HANA
    • OData

23. Job Opportunity for SAP Build Process Automation (BPA) Developer - Employment contract only - Remote

    freelancermap.de · 2 Nov 2026 · Düsseldorf · Employee leasing (ANÜ) · 100% remote

    • SAP Build Process Automation
    • Workflow Management
    • Forms
    • Business Rules
    • RPA
    • SAP BTP

24. Senior Software Engineer (m/w/d) | 80% Remote | München | ANK15196

    freelancermap.de · 2 Nov 2026 · Munich · Employee leasing (ANÜ) · 80% remote

    • Spring Boot
    • OpenShift
    • API Design
    • Distributed Systems
    • REST APIs
    • Messaging

25. Requirements Engineer (m/w/d)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Freelance contract · 30% remote

    • Requirements Engineering
    • Business Analysis
    • Agile Methods
    • Product Management
    • BDD
    • Gherkin

26. Senior Requirements Engineer ) – Neuentwicklung einer reichweitenstarken Web- und App-Plattform

    freelancermap.de · 2 Nov 2026 · Frankfurt · Freelance contract · 40% remote

    • Requirements Engineering
    • Business Analysis
    • Agile Methods
    • Product Management
    • BDD
    • Gherkin

27. Fullstack-Entwickler C# / .NET & React (m/w/d)

    gulp.de · 2 Nov 2026

    • C#
    • .NET
    • React
    • REST APIs
    • Graph Databases
    • Data Modeling

28. Senior Projektleitung (m/w/d) – AFRA #77

    freelancermap.de · 2 Nov 2026 · Frankfurt · Fixed-term employment · 90% remote

    • SAP S/4HANA
    • Project Leadership
    • Project Management
    • Agile Methods
    • SAFe
    • Scrum

29. SAP CPI / Integration Suite Berater (m/w/d) – Freelance, 100 % Remote Eckdaten

    freelancermap.de · 2 Nov 2026 · Remote · Freelance contract · 100% remote

    • SAP Integration Suite
    • Groovy
    • JavaScript
    • German
    • SAP PI/PO
    • EDI

30. Business Analyst(m/w/d) – Festanstellung bei einem Beratungsunternehmen - keine Freelancer

    freelancermap.de · 2 Nov 2026 · Munich · Permanent employment · 60% remote

    • Business Analysis
    • Technical Analysis
    • Test Analysis
    • SQL
    • Data Analytics
    • Data Integration

Projectmatch matches every new project against your profile automatically and shows which required skills your profile covers – 14 days free. Try it now.

Current projects with other skills

• SAP ECC59
• SharePoint58
• SAP482
• SAP S/4HANA465
• Jira433
• Scrum408
• CI/CD376
• Python328
• Confluence305
• MS Office277
• Java273
• Requirements Engineering271

How the demand develops over the months: see the analysis REST APIs. All pages: current projects by skill, role and city.

Source: the listings of the five project boards from the last 14 days, without projects closed there in the meantime. An AI model reads the skills a project requires from its listing; location, contract type and remote share are stated in the listing itself. We do not show the description – the title links to the listing on its board.