Angelos Devletoglou

Career

Career and education timeline

IAG Loyalty
2025 - Present

Engineering Manager (Acting Head of Engineering)

Providing high-impact engineering leadership within Avios Group (Oneworld Group's Airline Loyalty currency), accountable for engineers across partner, currency, membership, and redemption domains. Led adoption of Backstage to improve service ownership and standardise architecture decisions, drove a +6 point increase in Developer Experience Index (DXI) to 67, and developed an LLM-powered engineering workflow for JIRA categorisation to bring data-driven transparency to engineering investment.

Baresquare
2021 - 2024

Head of Engineering

Led a 15-person engineering function building an AI-powered B2B analytics platform, restructuring the team into specialised domains and establishing clear engineering standards. Led migration to a microservices architecture on AWS and GCP, lifting delivery throughput by 200%. Developed AI agent capabilities using OpenAI, Python and Node.js, and embedded shift-left security and quality practices that cut production incidents by 30%.

Checkatrade
2021

Head of Development

Overhauled hiring, performance management, and career-path frameworks across a 70-engineer team developing and operating the #1 marketplace platform that enables consumers to find the right traders for their home improvement projects, bringing clarity and predictable delivery through a period of major organizational change.

Sainsbury's
2020 - 2021

Engineering Manager

Transitioned B2B platform delivery from external consultants to a high-performing internal team within four months, reducing OPEX and embedding DevOps practice (CI/CD, shift-left testing, on-call ownership) under a "you build it, you own it" model for the shared services platform powering contact management, people profiles and authorisation.

Maru
2016 - 2020

CTO UK

Following the acquisition of eDigitalResearch, I was responsible for the execution and implementation of the technology strategy supporting the rapid growth of Maru Group internationally through leading a cross-functional team of software engineers, testers, product managers and DevOps specialists.

eDigitalResearch
2010 - 2016

Director of Technical Operations

Oversaw the technical operations team alongside supporting the board of Directors with their long term vision, business development, efficiency, product innovation and providing employees with an environment they feel valued in collaboration with the other members of the senior management team.

2005 - 2010

Software Engineering positions

Started my career as a PHP developer in a boutique web design agency, developed a content management system, a white label e-commerce platform, sms marketing platform. Moved on in a scale-up agency, delivering projects for customers such as the BBC, Sky, British Airways, Sainsbury's and many more enterprise customers.

University of Portsmouth
2000 - 2003

BSc in Internet Technology

Studied at the University of Portsmouth, graduating with a 2:1 in Internet Technology.
Final year project: J2ME mobile application for university registry.