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Company Description
Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.
We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany.
The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Workplace Services and Cyber Security & Networking.
Values: Open, Bold, Trusted
Trusted Partners:
Senior Application Architect / Full-Stack Engineer
As a Senior Application Architect/Engineer you will help customers rapidly visualise, design and deploy applications into cloud-native architectures patterns. This is a hands-on and customer facing role helping organisations build cloud-native prototypes of applications or components and reimagine their application portfolio and SDLC for cloud.
This role sits inside our Strategic Cloud Consulting team who work at the start of the customer lifecycle, delivering rapid time to value projects via our unique delivery methodology, before we design and deliver long term consulting and managed service projects.
Key Responsibilities:
Application Architect - Full Stack Engineer - Application Modernisation - AppMod - Application Engineer - Software Architect - Cloud - Azure - AWS - GCP - Application Architecture - Application Developer
Additional Information
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for a role, please get in touch.
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.
Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.
We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany.
The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Workplace Services and Cyber Security & Networking.
Values: Open, Bold, Trusted
Trusted Partners:
- Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
- HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year
- Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
- Fortinet: Elite VIP Program – one of only 2 in the UK
- AWS: Advanced Solution & Managed Service Provider Program
Senior Application Architect / Full-Stack Engineer
As a Senior Application Architect/Engineer you will help customers rapidly visualise, design and deploy applications into cloud-native architectures patterns. This is a hands-on and customer facing role helping organisations build cloud-native prototypes of applications or components and reimagine their application portfolio and SDLC for cloud.
This role sits inside our Strategic Cloud Consulting team who work at the start of the customer lifecycle, delivering rapid time to value projects via our unique delivery methodology, before we design and deliver long term consulting and managed service projects.
Key Responsibilities:
- Collaborate and whiteboard with customers to understand application strategy, technical constraints and modernisation enabling mechanisms
- Rapidly design and build cloud-native prototypes of customer applications onto with modern and automated toolchains, and new DevOps ways of working.
- Lead software strategy across the full-stack to redesign the software architecture and embed modern software development lifecycle processes
- Build and present an application demo portal, showcasing the latest and greatest in cloud and application architecture
- Lead on AI driven approaches to application development and management, helping our customers embed AI, ML and automation into process flows
- Collaborate with sales, pre-sales and cloud teams across the full customer lifecycle to be an expert on engineering modern applications
- Work with our tooling partners to bring modern toolchains to our customers to rapidly visualise software applications
- Full-stack software engineering experience, designing, building and operating modern applications
- Hands-on expertise with a tech stack consisting of docker, containerisation, Terraform, Azure, IaaS, PaaS, microservices and API management
- Proficiency in modern software development practices, including Agile methodologies, DevOps, and CI/CD pipelines
- Expert understanding of cloud technologies, including IaaS, PaaS, and FaaS, as well as cloud-native services such as containers, serverless computing, and microservices architecture.
- Experience with enterprise applications and estates (preferred)
- Excellent communication and interpersonal skills. Including a strong ability to create positive and professional business relationships with partners and customer stakeholders
Application Architect - Full Stack Engineer - Application Modernisation - AppMod - Application Engineer - Software Architect - Cloud - Azure - AWS - GCP - Application Architecture - Application Developer
Additional Information
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for a role, please get in touch.
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.
Key Skills
Ranked by relevance
cloud
ai
cyber security
microservices
prototypes
devops
paas
serverless
terraform
docker
cicd
aws
gcp
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- Posted
- Sep 02, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- London
- Company
- Telefónica Tech
Industries
Telecommunications
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Fullstack Back End Developer (Python)
2026-04-10
Full-time
Entry
Netherlands
Telecommunications
Engineering
View Job Details
Related
Machine Learning Engineer
2026-04-11
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Not Applicable
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View Job Details
Related
Cybersecurity Apprentice
2026-04-10
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