Senior Platform Engineer - Telecommunications

Are you looking for an exciting new opportunity? 

Join a fast-growing fibre broadband provider committed to advancing digital equality across Britain by delivering full-fibre, gigabit-capable connectivity to over one million homes and businesses. Backed by an international investment consortium and led by an experienced team of telecommunications experts, the organisation is rapidly deploying its network across the East of England, focusing on communities underserved by larger providers. 

If you would like to learn more about this opportunity, feel free to reach out and apply today!

Responsibilities:

• Act as the in-house technical authority for API and integration development across the BSS/OSS ecosystem
• Own the design, build, maintenance, and continuous improvement of integration flows across core platforms
• Develop and manage integrations between Salesforce Communications Cloud, NetAdmin, Nokia/Adtran systems, billing platforms, and provisioning pipelines
• Drive the transition from externally managed integrations to a fully in-house, scalable integration capability
• Establish best practices, ensuring rigour, consistency, and repeatability across all integration work
• Contribute as a senior member to the CI/CD pipeline, supporting automation and deployment processes
• Maintain and enforce high standards of integration quality across squads
• Collaborate closely with the Head of OSS/BSS, Software Solutions Architect, and cross-functional teams
• Support the development of a robust, long-term internal integration strategy and platform ownership

Required Skills/Qualifications: 

• Minimum 3 years’ hands-on experience in API and integration development within a professional delivery environment, including designing, building, deploying, and managing production-scale integrations
• Strong understanding of REST APIs, including HTTP methods, status codes, JSON/XML payloads, and API design principles, with practical experience consuming and publishing APIs
• Experience working with integration platforms or middleware (e.g. MuleSoft, Boomi, Azure Integration Services, AWS EventBridge), connecting enterprise systems and maintaining reliable data flows
• Proven ability in data transformation across multiple formats such as JSON, XML, and CSV within production environments
• Solid experience with Git-based development, including branching strategies, pull requests, and code reviews
• Familiarity with CI/CD pipelines, including automated build, test, deployment processes, and environment promotion
• Strong communication and stakeholder management skills, with the ability to translate technical concepts for non-technical audiences
  
  
  

Desirable Skills:

• Experience with MuleSoft Anypoint Platform, including Anypoint Studio, Runtime Manager, API Manager, and standard connectors (HTTP, SFTP, Database, Salesforce)
• Proficiency in DataWeave 2.0, including complex, multi-step data transformations across diverse formats
• Knowledge of API lifecycle management, including RAML/OpenAPI specification, versioning, and governance
• Experience integrating with Salesforce APIs or managing Salesforce-connected workflows
• Exposure to telecoms, ISP, or alternative network (altnet) BSS/OSS platforms
• Relevant certifications such as MuleSoft Certified Developer or Integration Architect
• Experience with event-driven architectures, including webhooks, message queues, and asynchronous processing

Contract Length: 

• 6 months

Work Location Model: 

• Fully Remote

Day Rate: 

• £500/day (Outside IR35)