Business Systems Developer

Business Systems Developer

Integration / Salesforce / APIs / Automation

Eastleigh (Hybrid – 3 days on-site p/w)

£45,000 – £55,000 (depending on experience) + Benefits

Do you enjoy making separate systems talk to each other? This Business Systems Developer role makes you the first in-house developer at a fast-growing specialist equipment hire business in Eastleigh, with two days a week at home.

You’ll build the integrations that tie Salesforce, onRent, Xero and Microsoft 365 together, with a clear path to help build a systems team as the business grows.

What You’ll Be Doing

• Building integrations with REST and SOAP APIs, webhooks and middleware
• Developing within Salesforce, onRent and Xero, and delivering a new field service platform
• Creating automations and AI tools with Power Automate, Zapier, Copilot and Claude
• Working with each department to fix pain points, then documenting and training staff
• Managing day-to-day IT and Microsoft 365, alongside an external IT provider

What You’ll Bring

• Typically 2+ years’ commercial experience as a software, integration or business systems developer
• Hands-on experience integrating CRM, ERP or accounting systems
• Proficiency in one or more languages such as Python, C#/.NET or JavaScript/TypeScript (Node.js), plus SQL
• Experience with REST APIs, JSON, OAuth and webhooks
• Experience with integration and automation tools such as Azure Functions, Power Automate, Make or Zapier
• Hands-on IT support experience
• A full UK driving licence
• Desirable: Salesforce development (training provided), Power BI, Microsoft 365 administration, Git

What’s On Offer

• 25 days’ holiday plus bank holidays
• Workplace pension and private medical insurance
• A direct line to the founder and real ownership of the systems

This role may suit candidates who have held roles including: Integration Developer, Salesforce Developer, Systems Developer, Software Developer, CRM Developer

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