Integrations Consultant / Software Developer

Salary: £51,000 - 72,000 per year

Requirements:

• Degree in Computer Science or Software Design preferred.
• 5+ years of experience in custom solution software development.
• Proficiency in database interactions and management via SQL, and MS SQL database structures and architecture.
• Experience writing application code in .NET, C++/C#, JavaScript, Java, HTML, SOAP, WSDL, RESTful API/web services, and XML.
• Familiarity with the modern telephony industry, ideally on Mitel Contact Center and UC solutions.
• Experience with internet payment gateways, CRM and WFM systems is an asset.
• Exposure to custom reporting development; experience with Microsoft Power BI is a plus.
• Agile development lifecycle experience is a plus.
• Strong general knowledge of Windows OS, server administration, productivity tools such as MS Office, and cloud services such as Azure.
• Ability to translate and communicate business processes into applicable technical requirements.
• Competence in conceiving, developing, and applying technologies, principles, theories, and concepts to resolve software systems problems.
• Ability to quickly learn new products, focusing on their integration interfaces.
• Capability to manage multiple simultaneous projects of simple to moderate complexity.
• Ability to meet deadlines independently with limited supervision.
• Excellent customer service and communication skills.
• Strong work ethic and professional demeanor.
• Self-motivated, well-organized and autonomous.
• Excellent English language speaking and writing skills.
• Flexibility to work varied schedules.
• Willingness to travel occasionally to customer sites.

Responsibilities:

• Analyse integration requests and engage with customers to fully understand expectations and produce detailed Statements of Work.
• Evaluate technical feasibility based on available interfaces exposed by Mitel and third-party solutions.
• Estimate the effort associated with custom developments for official quotes.
• Assist in creating and obtaining customer approval of the Solution Design Document (SDD).
• Define inter-system messaging formats and required protocols.
• Define database schema and field definitions.
• Create process and call flow charts.
• Develop custom solutions or reporting applications per approved SDD specifications.
• Deliver integration components along with installation, configuration, validation, and troubleshooting instructions.
• Complete installation of custom solution system software and conduct unit testing.
• Provide system and end user support during testing phases.
• Deliver in-service support per the Statement of Work commitments.
• Provide technical assistance for Custom Solution Integration Projects on an individual basis.
• Maintain professional and effective relationships with internal and external customers to ensure front-line customer satisfaction.
• Submit all required documentation, including activity time logs and weekly expense reports.
• Lead demonstrations on proof of concept and finalized developments.

Technologies:

• AI
• API
• Azure
• C#
• Cloud
• CRM
• Exposed
• Flow
• Support
• Java
• JavaScript
• Power BI
• SOAP
• SQL
• Web
• Windows
• XML
• ASP.NET

More:

We help businesses connect, collaborate, and create better customer experiences. This Custom System Integration Consultant role focuses on delivering technical integration and implementation expertise for custom solutions within our product deployments, working independently across the full solution lifecycle from requirements analysis through in-service support. The role covers Contact Center integrations, custom solutions and reporting, Professional Services Tools configuration, IVR web interfaces, workflow automation, and API-based integrations with our and third-party applications. This is a full-time remote role based in Caldicot or London. We are committed to diversity and an inclusive working environment, and we may use AI technologies to screen resumes, with all applications also reviewed by our hiring team.

last updated 37 week of 2026