> Markdown version of [/jobs/ext/3520669-senior-application-architect](https://www.wearedevelopers.com/jobs/ext/3520669-senior-application-architect). 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). --- # Senior Application Architect - **Company:** Telefónica Tech - **Location:** London, UK - **Experience:** Expert - **Salary:** £62,368.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Applications Architecture, Application Portfolio Management, Microsoft Azure, Cloud Computing, DevOps, Service Development Studio, Software Engineering, Enterprise Software Applications, Containerization, Elastic Beanstalk, Serverless Computing - **Published:** October 1, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5904772416 ## About the Role Essential * Experience in solution architecture, software development or technical consulting * Strong understanding of Microsoft Azure and modern cloud application architectures * Knowledge of application modernisation strategies and migration approaches * Experience with containers, APIs, serverless architectures, PaaS services and DevOps practices * Ability to translate technical concepts into clear business-focused recommendations * Experience engaging with customers, stakeholders and technical teams * Strong communication, presentation and solution design skills * Ability to work across multiple customer engagements simultaneously Desirable * Experience delivering cloud transformation or digital modernisation programmes * Knowledge of application assessment and portfolio analysis methodologies * Experience building technical proposals and participating in pre-sales activities * Familiarity with enterprise application environments and legacy modernisation challenges * Exposure to hyperscaler platforms and emerging cloud-native technologies * Desire to progress into a lead architecture or solutioning role ## Description We're looking for a Senior Application Modernisation Architect to help organisations unlock greater value from their application estate. Working across both pre-sales and delivery, you'll engage directly with customers, shape modernisation strategies, influence technical decisions and help deliver transformational cloud-native solutions. This is an opportunity to combine architecture, consulting and hands-on technical expertise while helping build and grow a rapidly expanding practice. What You'll Be Doing * Lead customer discovery workshops to understand application landscapes, business challenges and transformation goals * Shape application modernisation strategies and cloud adoption roadmaps aligned to business outcomes * Design modern application solutions leveraging Microsoft Azure and cloud-native technologies * Support technical sales activities through solution design, proposals, presentations and customer demonstrations * Develop Statements of Work including scope, assumptions, delivery approach and effort estimation * Conduct application portfolio assessments, dependency analysis and modernisation planning * Define migration and transformation approaches using recognised frameworks including 7Rs * Provide architectural guidance across modernisation and software development initiatives * Collaborate with architects, engineers and delivery teams to ensure successful implementation * Contribute to service development, sales enablement content, case studies and solution accelerators, * Blend of architecture, consulting and hands-on technical engagement * Significant customer exposure and influence on strategic technology decisions * Opportunity to work across complex cloud transformation and application modernisation programmes * Exposure to modern Azure services, cloud-native development and evolving industry best practices * Ability to shape service offerings and contribute to practice growth * Clear progression towards lead architecture and solution leadership responsibilities