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I will integrate business systems and build custom API connections


Acerca de este Servicio
Stop manually copying data between systems. I'll connect your tools so they talk to each other automatically.
9+ years building enterprise integrations. I've connected CRMs to ERPs, built custom APIs, and synchronized data across complex system landscapes for clients including German financial institute.
WHAT I INTEGRATE:
- CRM systems (Salesforce, HubSpot, Pipedrive)
- Accounting software (QuickBooks, Xero, DATEV)
- E-commerce platforms (Shopify, WooCommerce)
- ERPs (SAP, NetSuite, Odoo)
- Databases (SQL Server, PostgreSQL, MongoDB)
- Custom/legacy applications
- Any system with an API or database access
SOLUTIONS I BUILD:
- Real-time data synchronization
- Scheduled batch imports/exports
- Custom REST/GraphQL APIs
- Webhook integrations
- ETL pipelines
- Legacy system bridges (even without APIs)
TECH: C#/.NET, Python, JavaScript, SQL
I have a team of 3 developers for larger projects.
Message me with your systems and integration needs for a custom quote.
Conoce a Paul Abramov
RPA and Automation Expert with Csharp and DotNet
- DeAlemania
- Miembro desdemar 2021
- Responde aprox. en:23 horas
- Última entrega3 años
Idiomas
Alemán, Inglés, Ruso
Mi porfolio
FAQ
What systems can you integrate?
Almost any system with an API, database access, or file export capability. This includes CRMs (Salesforce, HubSpot), accounting software (QuickBooks, Xero), e-commerce (Shopify, WooCommerce), ERPs, databases, and custom applications.
How does data synchronization work?
Depending on your package: (1) Scheduled sync runs at intervals you define (hourly, daily), (2) Near real-time polls for changes every few minutes, (3) Real-time uses webhooks or change detection for instant updates. I'll recommend the best approach based on your data volume and business needs.
What if one of my systems doesn't have an API?
I have several approaches for systems without APIs: direct database connections, file-based integration (CSV/Excel exports), screen scraping/RPA for web applications, or building a custom middleware layer. Legacy system integration is one of my specialties.
How do you handle data conflicts and errors?
I build comprehensive error handling including: conflict resolution rules (which system wins), automatic retry logic, error logging, and alerting. For critical integrations, I can set up a monitoring dashboard so you see sync status in real-time.
Will the integration break if one of the systems updates?
I design integrations to be resilient to minor API changes. Major changes may require updates, which is why I recommend the extended support option for production-critical integrations. I also document everything so any developer can maintain it.
2 comentarios sobre este Servicio
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Desglose de calificaciones
- Nivel de comunicación del Freelancer
- Recomendar a un amigo
- Servicio según lo descrito
Ordenar por
S superma12
Cliente recurrente

Alemania
Erneut eine sehr gute Leistung die ich erhalten habe. Des Weiteren kam die Leistung super schnell bei mir an. Außerdem wurden mir auch noch meine Fragen beantwortet
Útil?S superma12
Cliente recurrente

Alemania
Super Verkäufer. Tolle und schnelle Kommunikation. Sehr schnelle Lieferung. Bin begeistert
Útil?
2 comentarios sobre este Servicio
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Desglose de calificaciones
- Nivel de comunicación del Freelancer
- Recomendar a un amigo
- Servicio según lo descrito
Ordenar por
S superma12
Cliente recurrente

Alemania
Erneut eine sehr gute Leistung die ich erhalten habe. Des Weiteren kam die Leistung super schnell bei mir an. Außerdem wurden mir auch noch meine Fragen beantwortet
Útil?S superma12
Cliente recurrente

Alemania
Super Verkäufer. Tolle und schnelle Kommunikation. Sehr schnelle Lieferung. Bin begeistert
Útil?

