~/conference

code.talks 2023

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An Introduction to Identity Management: From Access, Permissions, Cloud ...Catrin Schröder-Jaross22m
An introduction to identity management covering access control, permissions, cloud environments, and access protocols. It explains how identity management…
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Medieval strategies for Cyber SecurityHendrik Wallbaum16m
Argues that concrete medieval practices map to modern security: pre-built hoardings are like ready-to-deploy disaster-response kits for incidents, wooden…
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Clean Code vs. CreativityJacqueline Franßen19m
Argues that Clean Code heuristics (use template method and strategy patterns, avoid duplication, practice abstraction) must pair with concrete creativity…
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Scalable by Design: How to Build an Elastic Cloud Infrastructure...Farhad Farahi27m
Ad tech backend serves 3 billion requests daily and targets 500 million devices, running Go and some Rust, with 99% of infra in Terraform and heavy use of…
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10 things to think about when bootstrapping a SaaSBridget Harris37m
YouCanBook.me launches as the first calendar‑based booking tool and grows through a series of practical choices: nine prior products, four infrastructure…
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A data innovation playbookMirko Gontek31m
A practical playbook for turning ideas into repeatable business value with data and AI lays out concrete steps: start from business goals, quantify ROI and…
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Harnessing the Power of Materialised Views in Cosmos DBOlena Borzenko-Turianska35m
Explains how Azure Cosmos DB uses Materialized Views (preview) to precompute and store query-specific documents, trading more expensive writes and storage for…
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Proactive Defense: Leveraging Hacker Tools for Early Vulnerability DetectionTobit Lill01h 27m
Demo shows concrete tooling and findings: quick nmap reveals open SSH and robots.txt pointing to /ftp; Burp Suite intercepts requests and bypasses client-side…
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Enhancing the Performance of Engineering TeamsKaterina Trajchevska44m
Practical checklist: adopt DORA metrics (lead time, deploy frequency, change-failure rate, MTTR) and grade against Elite vs low performers — elites deploy…
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Why have we not fixed all the vulnerabilities yet? Different perspectives...Katerina Trajchevska, Nazneen Rupawalla, Jan Galinski, Dr. Tobias Schröder, Vladyslav Cherednychenko33m
CVE counts show a steady rise since 2016 and 2023 year‑to‑date already lists about 7–7.5k entries, and teams report a 640× cost increase when fixes wait until…
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The Rise of the Tech Lead: Redefining Leadership in the Tech IndustrySarah Stemmler18m
Argues that the tech lead role is a formalized alternative to management with strong demand—Bitkom estimates >100,000 missing tech professionals in Germany—and…
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Testing Library: everybody uses it, but nobody understands itMatan Borenkraout30m
Explains that Testing Library is a cross-framework testing layer: render calls react.client.createRoot into a container, wraps renders in act, returns bound…
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Security Awareness in the Corporate EnvironmentYoussef Chahrour14m
The talk discusses the importance of user security awareness in companies, arguing that despite large investments in technical security, untrained employees…
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Between Hype and Reality - Is Web3 Mainstream Yet?Valeria Henkel, Luis Bollinger, Steffen Boller, Cosima Gulde32m
Panelists argue mass adoption is not here yet and give concrete roadmaps: a live loyalty app called up trip ships as a Web2-first mobile product with an…
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The Revolution Eats Its Children - How ChatGPT & Co. Are Disrupting the IT SectorJörg Neumann, Neno Loje55m
The talk examines how generative AI like ChatGPT could displace some IT roles by automating coding tasks while also creating new opportunities when used…
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Why you fail at Application Security - and how to fix itFelix Winkelkötter17m
Claims that app security fails because it isn’t scalable, people lack security knowledge, the wrong mindset dominates, and measurement is missing; common fixes…
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Enhance Developer Experience by communityAnil Kumar Krishnashetty26m
Claims that pair programming with community exposes real developer pain points (developers read TypeScript types, not docs), not interviews; uses Slack, Google…
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Kotlin Meta Programming - Code Generation with Kotlin PoetJan Galinski31m
Demonstrates generating real Kotlin source with Kotlin Poet, compiling and loading it to verify behavior, and wiring a Maven pipeline via a maven plugin for…
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The browser kicked me out (of the CPU): Making a three.js WebGL mobile gameFerran Bertomeu Castells32m
Built a mobile browser game in JavaScript ES6 that uses three.js WebGL for rendering and FMOD for audio, targeting Instagram/links-first play rather than app…
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Burning the playbooks: fireside chat with DHHDHH43m
Claims that moving off hyperscalers saves real money: company spends 3.2 million dollars a year on cloud and finds buying servers with 192 vCPUs per box is far…
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009 agents or how to empower people with security topic.Tanya van Witzenburg27m
Company builds trust, a three-part security team, and a cross-company community and turns security from ignored to desired by using simple rules, playful…
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Composability: The New Architect in TownHarshil Agrawal20m
A demo site for dogs with shopping, courses, videos and social features exposes failures of static pages and a monolith: content updates need engineering…
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How to implement DDoS protection in GCPAarik Mudgal33m
Architecture shows a GKE app fronted by Google Cloud Load Balancer + Cloud CDN, protected by Cloud Armor with threat intelligence and adaptive protection, plus…
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Data Mesh and Supply Chain: How Data Mesh has improved HelloFresh's Supply ChainSharif Abdel-Halim31m
HelloFresh reorganizes into domain teams with a self‑serve data platform and federated governance, building 100+ data products per year using pipelines like…
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Data for Climate Action: Leveraging Data Science and Engineering ...Jessica Greene34m
Ecosia builds a shopping vertical that ranks products by an aggregated sustainability score drawn from a public green database (open source, scraped from…
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Fresh Wind for Legacy Software: How to Put Old Applications on New FeetChristoph Burmeister29m
The talk explains strategies to modernize legacy business applications without full replacement by addressing their technical foundation. It describes using…
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Organizational Change Through The Power Of Why - SecDevOps EnablementNazneen Rupawalla33m
An internal SecDevOps program introduces category-based security controls surfaced as Trello boards (populated by a Python script) and tracked via Trello…
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How to build continuous security and embed it in your productAndy Schneider36m
Argues security must run at development speed: one company deploys every two minutes so monthly pen tests fail, and JavaScript codebases cost ~$100,000 more in…
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The Evolution of UI/UX Design: Exploring Latest Trends and the Impact of AIAli Amin Agha15m
Claims that AI already builds usable screens from text and sketches, demonstrated by a live demo of relum.io generating wireframes and by references to Framer…
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Sell - Service - Scale - the Alternative Way to Building a StartupOvi Negrean19m
A proven method called Sell → Service → Scale starts by selling a high‑value offer on Product Hunt/BetaList with targeted cold outreach, booking calls via…
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Mocks, Fakes, Stubs – Is There a Difference? Do You Still Need Them?Thomas Much42m
The talk explains different kinds of test doubles (mocks, fakes, stubs, etc.), how they differ, and how each impacts test speed, stability, and maintenance. It…
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Our journey from Gitflow to Trunk Based DevelopmentLudovic Toison39m
Company moves from Gitflow to Trunk Based Development, drops long‑living branches and makes every trunk commit a deployable unit, uses Jenkins + Kubernetes to…
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JobCoach goes GPT: Failures, Trials and TriumphsClaire Fautsch35m
This talk describes integrating LLMs and GPT into JobCoach, a conversational AI for matching users with job openings on a platform. It covers the integration…
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Escaping the Phantom Zone of Insecure Data: Build Safer Applications with zodPhilipp Gentz31m
zod is an npm schema library that validates runtime data and generates matching TypeScript types so types and runtime cannot drift, with especially strong…
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Making pretty things with code: Getting started as Technical ArtistHarry Alisavakis32m
Shows concrete workflows: Unity editor tools like Greenery (Unity editor API + GPU instancing) for scattering foliage, a non‑destructive terrain sculptor using…
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Orchestration with NomadChristoph Kappel31m
This talk introduces HashiCorp Nomad as an alternative to Kubernetes for workload orchestration and job scheduling. It demonstrates basic Nomad features with…
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Growing the PHP Core – One Test at a TimeFlorian Engelhardt28m
Live demo builds PHP from master and runs the bundled test runner with make test -j10 on PHP 8.4, producing a summary of 18,577 suite tests, 30,102 executed, 4…
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Batching Was Yesterday: Real-Time Tracking & Analysis For 100+ Million VisitorsFelix Gessert22m
Claims a migration from ETL batch to streaming lets analytics scale from 1 to 100+ million users in a month and handle about 1 billion page views per month…
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Cyberattacks easily implemented with AI?Isabelle Ewald, Catrin Schröder-Jaross23m
Demonstrates how, within minutes, an astronaut persona is assembled using DALL·E for a profile picture, a flirty AI text generator for messages, ChatGPT for…
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Open Source Entertainment: Vim for fast and sustainable coding!Roland Golla34m
A live demo of the Vim editor showing its features for fast, sustainable coding; demonstrates practical workflows and tools for making daily development more…
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Embracing resiliency in GraphQL-Drop the cache-aside pattern and overcome the...Fernando Francisco Cristiani31m
GraphQL gateway at Joyn experiences catastrophic traffic when a shared Redis cache fails — with cache hit ratios of ~90% causing roughly a 10x spike and 95%…
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Unlocking the Power of Integer Programming: Beginner’s Guide to Conference SchedulingFlorian Wilhelm30m
Integer (0/1) linear programming is used to assign roughly 120 talks into 7 rooms over 3 days by encoding hard constraints (one assignment per talk…
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Values in Tech - Just a Buzzword or an Action-Item?Hila Fish25m
Claims a repeatable Value-Driven Professional Life method that turns nebulous company values into concrete checkpoints: a checklist of measurable signals (peer…
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Sustainability in a Buzzing Tech World: Balancing Progress and ResponsibilityStefanie Kruse27m
The talk lays out concrete claims and tools: ICT now causes roughly 2–7% of global emissions and could hit 13% by 2030, training GPT‑3 produces 550 tons CO2…
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#ClimateActionNow! How sustainable software development...Anita Schüttler22m
The talk covers sustainable software development: why it’s important now, upcoming regulatory requirements for companies, and how IT can help reduce CO2…
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3 reasons why micro-services aren't the miracle cureLisa Mittmann20m
Argues microservices often trade one set of problems for another: one team ends up with 7–8 Cloud Run services that duplicate framework, pipeline and…
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Is bootstrapping a risky gamble or a strategic advantage?Antoine Minoux, Sora Mustafa, Bridget Harris, Julian Rothkamp, Anna Nadeina46m
Four founders compare hard numbers and concrete moves: youcanbook.me reaches ~€5M ARR after 12 years and spent six years unprofitable on a freemium model…
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Shared Responsibility - On the Beginning and End of Responsibility in the CloudJohannes Rudolph31m
The talk examines dependence on major cloud providers and the shared-responsibility shift where infrastructure management now happens elsewhere. It covers…
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How to (not) f**k up any organisation with your CMSDr. Tobias Schröder, Rehan Saleem30m
Metro and Breuninger standardize and reuse UI via a headless CMS and shared web modules as a service, add machine learning to personalize anonymous sessions…
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Speeding Up Your Angular App: Techniques for Optimizing Rendering PerformanceRakia Ben Sassi41m
An Angular page shows a 41s full load and rendering stalls: 29 fields take ~2s, 60 fields ~4s, 100+ fields ~7s because the template expands to ~800, ~1,680 and…
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Introduction to Event-Driven Architectures in 2023Dennis Kieselhorst35m
Introduces how to implement event-driven architectures in 2023, comparing integration approaches and technology choices (e.g., service bus vs. process engine)…
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Rethinking DevOps - Build and Deployment Infrastructure as a Central...Frank Grzesiak-Mau27m
The talk examines treating build and deployment infrastructure as a separate, centrally managed product inside an organization (rather than having each dev…
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WebAssembly beyond the browserMete Atamel35m
Claim: WebAssembly modules compile once and run everywhere but current limits matter. Examples include compiling Rust to wasm32-wasi, running the same .wasm…
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AI Act - What is important to know from a developers perspective?Alois Kritl28m
Status update on the EU AI Act: trilogue negotiations push for adoption by year end with a 24‑month entry period, enforcing a risk‑based regime that bans…
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You can plan it, if you really want – Planning a project you've never done beforeRené Dalock19m
A five-step method produces a usable first plan for projects never done before: identify the constraints (fixed go‑live dates, Black Friday, unavailable…
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The robot in my living room - insights from a journey through the possibilities...Matthias Lau30m
by Matthias Lau What if I could build a really cool robot, pack it with AI and have it explore my room? Let me take you on my journey of bringing my software…
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Rethinking Frontend DevelopmentFynn Feldpausch29m
Frontend complexity shifts into the browser as JavaScript ecosystems explode and npm adds about 900 new packages per day, forcing choices and tech churn; CSS…
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Reigniting Energy Efficiency – ista’s Agile@Scale TransformationNils Engelke47m
The talk explains ista’s Agile@Scale organizational transformation to deliver energy-saving solutions faster by replacing many parallel projects with…
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Twain: (re)building AI writing assistantIvan Liagushkin19m
Twain starts as rule-based NLP with spaCy and moves to fine-tuned BART models for detection+correction, then adopts GPT‑4 in March 2023 which immediately…
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How to successfully become a Data ScientistTereza Iofciu24m
Argues against the “unicorn” myth and prescribes a concrete starter curriculum: statistics and A/B testing, core ML basics like linear regression, database…
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The Evolution of Design TokensNils Wiere35m
Design tokens are a platform‑agnostic single source of truth stored as JSON, translated into CSS custom properties, Swift, XML and more via a translation layer…
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The Sustainability MythbusterMartin Lippert23m
Defines carbon neutral versus net-zero (compensation vs elimination/neutralization), explains that “running on 100% renewable energy” usually means buying…
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NFTs and the Metaverse - Disruptive Forces in Global Intellectual Property Law?Stefan Papastefanou24m
Claim: NFTs function as immutable ledger entries but rarely create legal ownership of the underlying digital asset; most NFTs store a URL inside NFT is just a…
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Building a Transport Emission Management Application: A Story of Idealism and ISO...Jonas Jaenicke17m
Nine months of development produce a transport emission calculation and management application for a major freight forwarder that tracks GPS vessel tracking…
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Cancer diagnostics enabled by machines: finding and classifying single tumor....Marc Päpper29m
Claims that deep learning runs clinical breast cancer diagnostics at scale: a cascade of segmentation and high‑magnification cell‑classification models…
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Building in Web3: Real-world use cases that actually make senseThomas Borgers22m
Defines web3 by the actual primitives: public smart‑contract chains, native tokens, and standards like ERC‑721/1155; argues those matter when parties don’t…
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Building a 2D Game from Scratch with WebGPULea Rosema26m
Built a playable 2D Boulder Dash–style game from pixel sprites with three render backends: Canvas2D for a quick MVP, WebGL using two-screen-covering triangles…
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The new age of HR: Leveraging AI for a high-tech & high-touch experienceMichaela Schütt19m
Siemens deploys an augmented job-posting tool called text you that lifts applicant rates by about 25% and speeds time-to-apply by ~10 days, an AI CV-to-job…
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Ask Your CodeScott Chacon34m
Survey of what version control actually answers and what it leaves out, plus concrete git recipes and a new client being built. Demonstrates git log…
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Unlocking the Genome: Exploring the Potential of CRISPR/Cas9Khoa Co30m
CRISPR/Cas9 enables single‑nucleotide edits using an RNA guide plus Cas9 and a supplied repair template (HDR), but real work shows off‑targets and low…
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Get Ranked! Building a Foosball Table App Backend Using CQRS/ES for Multiple Bound...Simon Zambrovski35m
The talk explains building a table-soccer (foosball) results app backend using Domain-Driven Design with CQRS and Event Sourcing implemented via the Axon…
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It's a (testing) trap! - Common end-to-end pitfalls and how to solve themRamona Schwering30m
Concrete examples of failing front-end tests, the mistakes that cause them, and concrete fixes: uses Jest and Cypress as examples, shows unclear short titles…
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Building LLM Agents (Hackathon)Johann-Peter Hartmann01h 43m
Shows how to build a custom LLM agent using LangChain, demonstrating concrete implementations inspired by AutoGPT, BabyAGI and similar simple agent patterns…
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Painting with CodeShahriar Shahrabi25m
A single mathematical function renders endless, animated paintings in real time by iterating a grid of pixels (two nested for loops) and returning color per…
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The Wolf in Sheep's Clothing: How Cybercriminals Leverage OneNote for Stealthy...Duy-Phuc Pham29m
Qakbot increasingly uses Microsoft OneNote files that embed JavaScript, VBScript or DLL entry stubs to bypass Protected View and deliver staged payloads…
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Developing a clean architecture-inspired React application with MVVMMarc Brehmer17m
Builds a working to‑do CRUD app using React, hooks and a clean-architecture-inspired layout: domain entities (Todo), use cases (get, create, update, delete), a…
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Blockchain Decoded: Unraveling its Mechanics and Strategic UtilisationLoha Hashimy37m
Argues that blockchain is one type of distributed ledger and that many projects are merely replicated databases, not truly decentralized, so use cases must…
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Serverless Development from zero: A Live DemoChristoph Stanger, Wietse Venema35m
Builds a movie‑rating web app from static HTML/JS into a full backend: Fastify on Node.js for routes, source‑based gcloud buildpacks to produce a container…
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DOOM GUY: Life in First PersonJohn Romero41m
Grows up in Tucson, learns BASIC on Apple II, ships 51 hobby games by 1987, joins Origin then co-founds id; implements smooth scrolling on PC (Commander Keen)…
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Dive into the Quantum Computing RealmHila Safi33m
Explains how qubits hold superposition and entanglement, contrasts bits vs qubits with concrete numbers (286 qubits to represent penicillin, Chris Monroe…
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Human-Centered AI for Sustainable DevelopmentAnnemarie Paul20m
AI adoption races from Netflix 3.5 years to ChatGPT 5 days to 1M users while model training can emit huge footprints — a 200M-parameter Transformer tuning run…
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Data Validation at Scale: Managing Data Quality in Complex Data PipelinesWolfram Wingerath37m
Built a monitoring/data science pipeline for web performance tracking that enforces constraints (Python schema checks) and runs continuous incremental…
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Introducing Event Sourcing into the Monolith: A TravelogueOle Michaelis42m
A 13-year-old Ruby on Rails monolith keeps handling domain registrations and transfers but the team introduces event sourcing for a core product path: they…
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Unleashing renewables: How we supercharge energy assets with softwareBarbara Wittenberg21m
Claims a path to make homes run on wind and sunlight forever for free by connecting devices, predicting supply and steering demand into electricity markets…
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Data Viz for Engineers: Optimizing Insight & Decision Making Through VisualizationSophie Ferrlein32m
Shows that visual perception reveals patterns statistics hide, e.g. the Datasaurus dozen dinosaur example, and that SpeedKit telemetry covers 10,000+ sites and…
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Designing for vulnerable groupsChristoph Hassler32m
A cross-functional agile team prototypes a Find Me web app to reunify children in Kakuma where ~13,000 unaccompanied minors live, builds a clickable prototype…
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Code to Cloud with the Azure Developer CLILiam Hampton33m
Demonstrates taking a napkin idea to a production-ready Node + React to‑do app in about ten minutes using azd up, with infrastructure written as bicep…
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How to get into the games industry as a SoftwareEngineerRami Ismail31m
Explains that game engineering is different from traditional software: engines like Unity Unreal and GameMaker and languages C# C++ JavaScript matter but so do…
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How to develop useful and unbiased AIZamina Ahmad26m
Describes concrete failures and fixes: Rotterdam used an Accenture model that cut welfare support for young mothers; Alexa under‑recognizes non‑male native…
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The emergent industrial metaversePapadopoulos Theodoros18m
Siemens frames an industrial metaverse as synchronized digital twins plus collaboration tools that are already applied: a cloud app provides a single source of…
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Writing a Java Profiler in Pure JavaJohannes Bechberger33m
A working Java sampler runs concurrently inside the JVM, collects stack traces via Thread.getAllStackTraces, aggregates them into a compact tree and emits…
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how to reconcile high-performance hosting and innovation projects with IT securityCarolin Desirée Töpfer21m
Claims that time-to-exploit collapses from weeks to hours, supported by a data project and a daily newsletter tracking real incidents; shows attackers use AI…
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Stop Running in Circles: Applying Shape UpRyan Singer32m
Argues that replacing ticket-driven work with upfront shaping sessions plus team-owned projects reduces rework, restores deep focus, and produces shippable…
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Using backend languages for frontends: Why ClojureScript is an awesome idea!Dr. Tobias Schröder24m
Claims that a single language can cover front and back ends with practical tooling: a live ClojureScript webshop uses re-frame + Reagent for…
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Gosoline - Golang in a modern cloud environmentJan Kamieth36m
Gosoline is a production-ready Go application framework that justtrack open-sources after using it to process millions of installs per day and billions of…
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Building an AI service without training – AI translations with LLMsAdrian von Nago18m
Translates short product titles into 13 languages by combining OpenAI embeddings and GPT completions with a vector search layer (FAISS initially, then…
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Procedural Generation at Runtime: From Basic to Complex by ExampleIvan Notaroš38m
Shows runnable systems: a downloadable Library of Blabber that uses a Markov chain and string address seed hashing so every book at coordinate X,Y reads…
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You Can’t Hide: How a Device Can Give Away a Fraudster’s Secrets.Sebastian Jakobs29m
System detects residential VPNs by reading raw TCP/TLS packet features at layer 4 — spotting consistent MSS cropping (example 1440 → 1378) after replacing the…
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Let's Build React Context From Scratch in JSEvyatar Alush27m
Builds a tiny React-like Context from scratch in plain JavaScript and proves it works by wiring it into a minimal unit test framework (a Jest-like pest) so…
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Rethinking composable E-Commerce FrontendsFlorian Krause31m
Argues for a Post‑SPA e‑commerce frontend that renders HTML on the server with a tiny JSX runtime (nanoweb), serves via Fastify/Node, and wires partial updates…
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AI in (climate) action: How to fix carbon marketsTobias Straube24m
Voluntary carbon markets grow at ~30% CAGR and could scale from ~$2B toward tens or hundreds of billions, yet cover <1% of emissions; a single Hamburg–San…
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Code, Play & Rock 'n' Roll: A WebAudio ExperimentArmagan Amcalar33m
Live guitar routes into the browser and is processed with a JavaScript pedal framework, claiming real‑time overdrive, delay and reverb implemented via…
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DevDataOps - Data-Driven Product Development for Software EngineersNikolas Hermann19m
The talk explains how a product team at Breuninger replaced gut-feel decisions with a data-driven DevDataOps approach to evaluate features faster and only…
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AWS IoT device provisioning: pragmatic scalable approachMax Tkachenko18m
TIER runs a pragmatic AWS IoT provisioning flow for 70k devices using provisioning by claim with a shared bootstrap certificate that exchanges for unique…
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You don't have to chooseAntoine Minoux32m
A designer at Yelp juggles a corporate role with bootstrapped startups, claiming one product reaches ~100,000 users and forwards ~30 million emails/month while…
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TK Design System - A Technical Look Behind the ScenesClaudius Schulz14m
Overview of the TK design system from a technical perspective, describing how the iOS team at Techniker Krankenkasse builds and maintains the components used…
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Why SQL Is an Underrated Programming LanguageElisabeth Schulz29m
Elisabeth Schulz argues that SQL is an underrated programming language and refutes claims that it is slow, unscalable, or hard to understand. She highlights…
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Flutter. New Approach to Web DevelopmentAleksandr Denisov31m
Compares Flutter’s web outputs by showing a built “Planet Market” demo and the actual generated code: the HTML renderer (DOM) produces a much smaller bundle…
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NFTs leveraging loyalty – real life use cases that will blow your mindThanh Duc Tran, Thomas Borgers, Philipp Köhn46m
Tchibo prototypes link physical retail to Web3: an NFC loyalty card triggers AR and directs users to a Polygon-based NFT drop with OpenZeppelin smart contracts…
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