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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineering Specialist - **Company:** BT Group - **Location:** Manchester, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, JIRA, Microsoft Azure, Bash Shell, Cloud Computing, Cloud Engineering, Software Quality, Continuous Integration, Relational Databases, Software Debugging, Distributed Systems, IP Pbx, Linux System Administration, MySQL, OpenStack, Scrum Methodology, Prometheus, Swagger, Service Discovery, Software Engineering, Wireshark, Working Model 2D, Openapi, Core Voice Platform, Real Time Systems, TimesTen, System Availability, Spring-boot, Technical Debt, Git, Containerization, Kubernetes, Drilldown, Restful APIs, Docker, Microservices - **Published:** July 4, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=2a888cd361284e31 ## About the Role * Strong experience in Java development with good working knowledge of Spring Boot, along with experience in designing and building production-ready APIs using OpenAPI (Swagger) * Good understanding of microservices architecture patterns, distributed system design, and experience working with relational databases (such as MYSQL/Timesten) for scalable solutions * Understanding of container technologies such as Docker, comfort working in Linux environments with basic Bash scripting, along with working knowledge in AI concepts and frameworks within software development Desirable Skills / Experience * Experience using Git for version control. Awareness of continuous integration and delivery (CI/CD) practices * Familiarity with tools like Consul and Prometheus for service discovery and monitoring * Strong foundational knowledge of Container as a Service, including its key components and how it supports scalable applications * Experience working in Agile teams, using tools such as Jira and Scrum practices * Familiarity with cloud platforms (such as AWS, Azure, or OpenStack) and virtualised environments * Experience working with telecom or voice systems * Exposure to Core Voice platform development (e.g., OCCAS), including working with protocols and tools such as SIP signalling, RTP media flows, traffic simulation using SIPP, and troubleshooting with tools like Wireshark ## Description We are driving the modernisation of Core Voice Network platforms, transforming legacy telephony systems into scalable, cloud-native, microservices-based architectures while also enabling next-generation Voice AI capabilities such as intelligent call handling, automation, and conversational services. This role sits within a Software Engineering Development team focused on designing, developing, and evolving distributed applications that underpin call services and routing across BT's fixed voice estate. You will play a key role in building and shaping microservice architectures, leveraging technologies such as Java, Spring Boot, Podman, and Kubernetes, and contributing to system design for high availability, scalability, and real-time processing. Working closely with cross-functional teams, you will help deliver robust, production-grade solutions, mentor engineers, and continuously improve development practices. This role is based at New Bailey, Manchester, UK with a hybrid working model of 3 days together, 2 days wherever. What you'll be doing * Design, develop, and maintain scalable microservices-based applications using Java, Spring Boot, and containerisation technologies (Docker, Kubernetes) * Define and implement RESTful APIs aligned to OpenAPI (Swagger) standards to support digital and distributed systems * Lead by example through hands-on development, while reviewing code and mentoring engineers to ensure high-quality delivery * Adopt an AI-first engineering approach, leveraging AI tools and Voice AI capabilities to accelerate development, improve code quality, and enable intelligent call handling solutions * Collaborate with architects, product teams, analysts, and engineers to deliver solutions across component and end-to-end system levels * Contribute to system design and architecture, ensuring scalability, resilience, and performance for real-time, high-throughput platforms * Solve complex technical issues, performing coding, debugging, testing, and troubleshooting across the application stack * Conduct deep-dive analysis to identify bottlenecks, optimise performance, and reduce technical debt through continuous improvement * Contribute to and help shape the technical roadmap, aligning engineering deliverables with business objectives and innovation trends * Champion best practices and continuously share knowledge on emerging technologies, including AI-driven development approaches * Exposure to Core Voice platform development (e.g., OCCAS) including working with telecom protocols and tools such as SIP signalling, RTP media flows, traffic simulation (SIPP), and troubleshooting using tools like Wireshark is desirable but not mandatory ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)