> Markdown version of [/jobs/ext/3882660-software-integration-engineer](https://www.wearedevelopers.com/jobs/ext/3882660-software-integration-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Integration Engineer

- **Company:** ST Selection
- **Location:** Poole, UK
- **Experience:** Expert
- **Salary:** £55,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Sage ERP Accpac, Artificial Intelligence, User Authentication, Microsoft Azure, Business Process Modeling, Business Systems, C Sharp (Programming Language), Information Engineering, Cursor, DevOps, JSON, Python (Programming Language), Microsoft Visual Studio, Microsoft SQL Server, OAuth, Oracle (Applications), Rapid Prototyping Process, Azure Active Directory, Salesforce.Com, SAP (Applications), Software Engineering, Data Streaming, Systems Integration, Extensible Markup Language (XML), Data Logging, Cloud Platform System, Microsoft Power Automate, GitHub Copilot, Boomi, Git, HR Software, Build Management, Microsoft Business Central, Atlassian Tools, Enterprise Integration, Figma, Claude, Api Design, Restful APIs, Serverless Computing, Powerapps, Workday, Mulesoft
- **Published:** October 23, 2026
- **Apply:** https://www.cv-library.co.uk/job/225750096/Software-Integration-Engineer

## About the Role

*At least two years' commercial experience in software development, technical engineering, data engineering or a related technical management role.

 * Demonstrable knowledge of modern .NET and C#.

 * Understanding of REST APIs, JSON, XML and authentication models, including OAuth 2.0 and Microsoft Entra ID.

 * Experience of Microsoft SQL Server.

 * Microsoft Power Platform, particularly Power Apps and Power Automate.

 * Experience using Git and Visual Studio. * Ability to analyse, document and validate end-user requirements.

 * Practical, hands-on approach with strong problem-solving skills and the ability to manage time effectively.

 * Comfortable with rapid prototyping and iterative delivery, including the use of AI-assisted toolchains.

 * Able to engage effectively with internal stakeholders to define and deliver solutions.

 * Demonstrable commitment to learning, adopting and championing new technologies and AI tooling

Desirable Criteria:

 * Bachelor of Science degree or equivalent relevant experience.

 * Experience integrating ERP, CRM or HCM systems such as Sage 300, Salesforce, Business Central, Oracle, SAP or Workday.

 * Senior Support Engineer or support management experience, including working to service-level agreements.

 * Knowledge of cloud architectures, including Azure, serverless and message-based systems.

 * Experience of Boomi, MuleSoft or another integration platform as a service.

 * Experience using Python.

 * Experience using Figma for rapid prototyping and the Atlassian toolset.

## Description

We have a new opportunity for a Software Integration Engineer who will be responsible for the internal software solutions, automations and integrations that connect the client billing with wider business systems, including Sage and Salesforce.

The successful candidate will work closely with stakeholders across Product & Development, Operations, Finance, Sales, Technical Support and Customer Success. The role will streamline processes, reduce manual effort and ensure data moves reliably, accurately and securely to the point of need.

KEY RESPONSIBILITIES: (Included but are not limited to)

 * Design and build robust integrations between internal applications.

 * Develop internal tools and services that support operational teams.

 * Create and maintain API-based and event-driven workflows.

 * Identify opportunities to automate business processes and materially reduce manual effort.

 * Build workflows using Azure Functions, Power Automate, Logic Apps, integration-platform-as-a-service tools and other appropriate technologies.

 * Ensure solutions meet agreed requirements and are reliable, secure and auditable.

 * Provide third-line technical support for internal systems.

 * Maintain monitoring, logging and alerting for integrations, and review and optimise data flows and performance.

 * Work with cross-functional stakeholders to gather, analyse, document and validate requirements.

 * Produce technical and operational documentation and management information dashboards.

 * Champion modern engineering practices and the effective use of AI-assisted development tools such as GitHub Copilot, Claude and Cursor.

The ideal candidate will combine strong software development and systems-integration expertise with practical product ownership, stakeholder engagement and problem-solving capability.

They will be comfortable taking hands-on responsibility for internal solutions, working iteratively and balancing delivery to time, cost and quality.