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Job Details


IVR Developer (JAVA) - Leeds - 6 months Contract (Contract)

Location: Knaresborough, Leeds Country: UK Rate: Market Rates

World Wide Technology EMEA. has an opportunity available for a Unified Communications IVR Developer (Java based) to support our client located in Knaresborough, Leeds.

Job Title: Unified Communications IVR Developer (Java based)

Location: Knaresborough, Leeds

Duration: 6 months (extendable for another 6 months)

Rate: Market Rates


The Unified Communications (UC) Senior IVR Developer is responsible for the design, implementation and support of highly-available contact center technologies. The Unified Communications team provides voice and contact center services utilising multiple vendor and service providers technologies around the globe, in a fast-paced and dynamic environment. We are responsible for providing voice communications that are always-on, highly reliable and integrate with multiple technical platforms.


  • Partner closely with customer facing contact center teams to develop technical solutions.
  • Collect business requirements, develop, deploy and support technical solution
  • Responsible for supporting IVR, CTI and call flow projects from implementation to post cut-over support
  • Utilize technology to enable to business to self-serve changes within call flow or IVR structure
  • Serve as an escalation point for UC Operations team
  • Mentor and develop team members on contact center technologies
  • Ensuring adequate system capacity to support business growth projections
  • Subject Matter Expert for design, expansion, and enhancements of IVRs and call flows.
  • Support call center activities on multiple vendor platforms (Avaya, Twilio, Genesys)
  • Call flow modifications, agent/skill assignments
  • Documentation of end-to-end flows


  • 5+ years of experience in Java & Java-based frameworks and experience with API/web service design, development & implementation via REST, JSON, XML, GraphQL etc.
  • Experience in design & development of Voice User Interface with Natural Language capabilities for IVR/speech applications using VoiceXML, GRXML, CCXML, TwiML or vendor tools such as Avaya Orchestration Designer, Cisco Call Studio, Nuance Experience Studio.
  • Experience with Continuous Integration & Continuous Delivery process using Git, Jenkins/Bamboo & ability to support build & deployment automation exercises as needed.
  • Experience working on projects or programs requiring the integration of cross-functional technology and/or business solutions.
  • Full-stack development experience - encompassing a good understanding of operating systems, network layer, application Servers/containers, programming frameworks, databases, Middleware and security.
  • Ability to use Shell Scripting, Python, JavaScript and other programming languages to implement utilities & tools that could automate or complement the Contact Center operations.
  • 3+ years designing and deploying complex contact center solutions leveraging Avaya platforms and technologies
  • Knowledge of SIP - call routing, customer headers, UUI
  • Experience with Avaya Experience Portal, Twlio Flex, Amazon Connect
  • Strong consulting background with demonstrated experience in requirement collection, solution design and deployment
  • Developing and maintaining call flow and technical documentation
  • Ability to work in a fast-paced and dynamic environment that can quickly change direction
  • Ability to deliver on multiple project simultaneously
  • Strong understanding of supporting and troubleshooting complex, global VOIP deployments including SBCs, SIP trunking and multiple carriers

Candidates will be required to go through 10 years background checks before commencing contract.

Must be and EU Citizen and eligible to live and work in the UK. Some travel to US maybe required. Only successful candidates will be contacted.

World Wide Technology is committed to equal opportunities and actively seeks applications from all sectors of the community irrespective of sex, race, colour, nationality, ethnic or national origin, disability, marital status, sexual orientation, having responsibility for dependents, age, religion/beliefs, or any other reason which cannot be shown to be justified.

Posted Date: 11 Sep 2019 Reference: JSIVR Company: World Wide Technology Contact: Cherise Yau