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Lambros Petrou

Work Experience

Facebook, London, UK

Software Engineer

— Present

Amazon Web Services (AWS), London, UK

Software Development Engineer

  • Amazon CodeGuru Profiler
    • Part of the team that created, and launched Amazon CodeGuru Profiler at AWS re:Invent 2019.
    • Lead engineer of the infrastructure platform for the CodeGuru Console supporting teams across US and UK.
    • Implemented CloudFormation support for CodeGuru Profiler resources.
    • Architected and developed the CodeGuru Profiler API multi-region infrastructure applying best-practices for Infrastructure as Code using CloudFormation, AWS CDK (Kotlin, TypeScript), and integrating with our CI/CD tools.
    • Contributed to the user experience of the Console using React, Redux, Cypress.

Amazon Development Centre, London, UK

Software Development Engineer

  • Amazon Profiler team (Jun 2017 - May 2019)
    • Provide internal tooling for performance optimisation and monitoring across Amazon backend services.
    • Worked on our backend services and APIs written in Java and Kotlin.
    • Researched, and worked on the implementation of the Profiler Efficiency Recommendations feature which codifies efficiency issues and provides recommendations to the users.
    • Maintained an AWS Lambda@Edge interceptor in order to simplify the deployment of Amazon-authenticated websites using serverless technologies. Used by many teams across Amazon (e.g. AWS, Alexa, Consumer).
    • Deployed static websites and several supporting APIs (Node.js) following a serverless architecture in AWS (API Gateway, AWS Lambda & Lambda@Edge, CloudFront, DynamoDB, S3, and more).
    • Re-designed and implemented the Profiler website using React, Redux, Cypress.
  • LOVEFiLM By Post — DVD and Blu-ray rental service team (Sep 2015 - May 2017)
    • Lead engineer for the LOVEFiLM By Post mobile application (Cordova, Ionic, AngularJS, SASS).
    • Worked on backend services and parts of the LOVEFiLM website (Java, Spring MVC).
  • Amazon Web Services Certifications
    • AWS Certified Professional - DevOps Engineer
    • AWS Certified Associate - Solutions Architect, SysOps Administrator, Developer

Amazon Development Centre, London, UK

Software Development Engineer - Intern

  • Member of the LOVEFiLM By Post rental service team where I implemented a service that automates the printing process for the dispatched disks' envelope labels (FlexMail, .NET, Java, Swing).

Data Management Systems Laboratory, UCY, Cyprus

Software Engineer

AnyPlace: Indoor Positioning and Navigation System for Big Data

  • Developed a complete architecture for an Indoor Positioning and Navigation system that provides a Web2.0 API for 3rd-party clients backed by Couchbase, a NoSQL datastore. (

  • Implemented an Android app that offers real-time positioning and navigation indoors, and a web-based application that provides similar services through any HTML-5 compliant browser.


University of Oxford

Oxford, UK

  • Master of Science in Computer Science, Grade: Distinction

  • Thesis: Single-round vs Multi-round Distributed Query Processing in Factorised Databases

    • Designed and implemented a distributed join query evaluation engine (C++), coined D-FDB. In contrary to traditional systems, D-FDB uses data factorizations (f-representations) end-to-end exploiting their theoritical size-bounds against flat relational tables minimizing the total query execution time.

University of Cyprus, UCY

Nicosia, Cyprus

  • Bachelor of Science in Computer Science, GPA: 9.41 /10 (Ranked 1st of class)

  • Thesis: AnyPlace: Indoor Positioning and Navigation System for Big Data as described in Work Experience

Ecole Polytechnique Federale de Lausanne, EPFL

Lausanne, Switzerland

  • Erasmus student for one semester, Department of Computer Science

Languages & Technologies

  • Languages: Kotlin, Java, Go, JavaScript/TypeScript, Python, Rust (learning)

  • Favourite stack 🚀 Serverless (AWS Lambda, AWS Fargate), ReactJS, Go or Node.js

Other Technical Experience


Awards & Achievements

  • Nominated for one of the few HEFCE scholarships for graduate studies at University of Oxford, UK (Fall 2014)

  • Nominated for a Fulbright Student Scholarship for graduate studies in USA (Fall 2014)

  • ACM SIGMOD 2015 Programming Contest, ranked 1st nationwide (Cyprus & UK) and 5th worldwide among 38 teams. Selected as one of the finalists to present our solution in ACM SIGMOD conference in Melbourne, Australia

  • ACM SIGMOD 2014 Programming Contest, ranked 1st nationwide and 9th worldwide among 33 teams

  • ACM SIGMOD 2013 Programming Contest, ranked 1st nationwide and 10th worldwide among 55 teams

  • Promoted to Second Lieutenant of Infantry during my two years of obligatory army service (2008-2010)


  • Demo paper: "Anyplace: A Crowdsourced Indoor Information Service", K.Georgiou, T.Constambeys, C.Laoudias, L.Petrou, G.Chatzimilioudis and D.Zeinalipour-Yazti "Proceedings of the 16th IEEE International Conference on Mobile Data Management" (MDM '15), Pittsburgh, Pennsylvania, USA, June 15-18, 2015

  • Demo paper: "Crowdsourced Indoor Localization and Navigation with Anyplace", L.Petrou, G.Larkou, C.Laoudias, D.Zeinalipour-Yazti and C.G.Panayiotou "Proceedings of the 13th International Conference on Information Processing in Sensor Networks" (IPSN '14), Berlin, Germany, April 15-17, 2014

  • Demo paper: "Anyplace: Indoor Positioning and Navigation in the Big-Data Era", L.Petrou, G.Larkou, C.Laoudias, D.Zeinalipour-Yazti and C.G.Panayiotou "Proceedings of the 4th International Conference on Indoor Positioning and Indoor Navigation" (IPIN '13), Montbeliard-Belfort, France, October 28-31, 2013