Victor Rentea
where else to find them
website:http://VictorRentea.ro
github:victorrentea
linkedin:victor-rentea-trainer
speakerdeck:victorrentea
devto:victorrentea
what they talk about
all 20 in the filters
where they keep going back
- Voxxed Days Bucharest6 editions2016–2026
- Devoxx Ukraine AI – Friend or Foe?3 editions2020–2023
- Devoxx Belgium2 editions2019–2024
all 20 in the filters
on a stage with
- Ana-Maria Mihalceanuonce
- Bogdan Sucaciuonce
- Brian Vermeeronce
all 25 in the filters
who talks about the same things
- Dmitry Vinnik25 talks
- Michael Feathers23 talks
- Trisha Gee41 talks
- Sandro Mancuso9 talks
- Chris Simon18 talks
- Xavier F. Gouchet15 talks
| title | conference | date |
|---|---|---|
| Kenote: AI Didn’t Replace You. It Promoted You! | Voxxed Days Bucharest 2026 | 2026-04-28 |
Argues that engineers move from coding to system design and control, showing concrete practices: use agents.md to store curated project memory (keep entries… | ||
| Top 10 Event-Driven Architecture Pitfalls | Devoxx France 2026 | 2026-04-22 |
Ten concrete failure modes from real workshops at 150 companies: duplicate deliveries, out‑of‑order processing, race conditions, test flakiness from Spring… | ||
| Top 10 Event-Driven Architecture Pitfalls | Spring I/O 2026 | 2026-04-13 |
Workshop-sourced checklist from 150 companies that names concrete pitfalls and fixes: use Kafka partitioning to preserve per-aggregate order (watch… | ||
| Tracing Java's Hidden Performance Traps | Voxxed Days Ticino 2026 | 2026-02-05 |
Painful days spent optimizing the wrong part of a flow. Repeated attempts to blindly fix a performance issue. Speculative micro-"optimizations" that clutter… | ||
| The Psychology of Code | Jfokus 2026 | 2026-02-02 |
Survey finds 80% admit imposter syndrome; common failures are sunk‑cost attachment to prototypes and endless bike‑shedding over brackets, imports and naming… | ||
| Top 10 Rest API Design Pitfalls | DevBcn 2025 | 2025-07-08 |
Collected from work with over 150 companies, this talk lists concrete API mistakes and fixes: avoid breaking changes by keeping optional inputs, use UUIDs… | ||
| Closing Ceremony | DevBcn 2025 | 2025-07-08 |
Ten-year milestone celebration with 10th anniversary turnout: about 70 speakers across five tracks and 17 sponsors supporting the event. Organizers note… | ||
| Top 10 Rest API Design Pitfalls | Spring I/O 2025 | 2025-05-22 |
Survey of ten concrete API failures gathered from over 150 companies with live examples and fixes rather than theory, including a real PII leak from PUT… | ||
| Top REST API Design Pitfalls | Devoxx UK 2025 | 2025-05-07 |
Collected from over 150 companies, the talk lists concrete mistakes and fixes: use OpenTelemetry trace IDs to find old clients, run compare OpenAPI in CI and… | ||
| Keynote: The Psychology of Code | Voxxed Days Bucharest 2025 | 2025-03-27 |
Claims that 80% felt impostor syndrome and that specific knowledge becomes obsolete in about three years drive the talk, backed by concrete practices: one hour… | ||
| Top REST API Design Pitfalls | Devoxx Belgium 2024 | 2024-10-07 |
Collected mistakes from 150 companies include domain leakage, GDPR-sensitive fields exposed, N+1 performance disasters and broken-version churn; concrete fixes… | ||
| The Joy of Testing | Devoxx Belgium 2024 | 2024-10-07 |
Argues tests must prove behavior, not inflate numbers: shows managers demanding 80% coverage and how line vs branch coverage differs, demos AI that blindly… | ||
| Code Smells - Hall of Fame | Voxxed Days Bucharest 2024 | 2024-03-27 |
Practical rules and gotchas: keep methods under 20 lines and call-depth under three, aim for files ≈200 lines in Java, and avoid blind DRY refactors that… | ||
| Functional Programming Anti-Patterns in Java | XtremeJ 2023 | 2023-11-07 |
Using Java and Hibernate, making entities immutable regularly backfires; cloning immutable collections (example: Kotlin fold) can allocate 400 MB for 5,000… | ||
| Clean Code, Two Decades Later | Voxxed Days Cluj 2023 | 2023-10-11 |
Covers the most damaging code smells of 2023 with concrete refactor recipes and live-coding examples: identifies long methods, nested lambdas, accumulator… | ||
| Test-Driven Design Insights - 10 Hints You Were Missing | Devoxx Ukraine 2023: AI – Friend or Foe? | 2023-09-22 |
Ten concrete design hints: tests act as feedback not just safety, and mocks speed tests but hide integration bugs; prefer start Postgres in a Testcontainer or… | ||
| Profiling your Java Application A Beginner’s Guide | DevDays 2023 | 2023-06-06 |
Uses micrometer/Prometheus/Zipkin for black‑ and gray‑box checks, then profiles with Java Flight Recorder (opened in Java Mission Control or Glowroot). Finds a… | ||
| The Secrets of the Fastest Java Developers on Earth | DevTernity 2022 | 2022-12-08 |
Practical tour of IntelliJ productivity shows concrete tricks that speed Java work: Ctrl-Shift-Space smart completion, postfix completion and live templates… | ||
| Keynote: Software Craftsmanship – Growing a Technical Culture | Voxxed Days Bucharest 2022 | 2022-03-23 |
Claims that over-specialization causes blame and slow projects and presents concrete fixes: adopt T-shaped developers, enforce unit tests and refactoring, run… | ||
| A Clean, Pragmatic Architecture | Devoxx Ukraine 2021 | 2021-11-19 |
Argues that DTOs must not host business logic and that production systems use DTOs are evil by default, converting external JSON into immutable, validated… | ||
| Premiere - Conf42 Enterprise Software 2021 | Conf42 Enterprise Software 2021 | 2021-03-25 |
One videocast bundles ~20 short talks and a live demo: a rookout walkthrough shows rookout non‑breaking breakpoints that collect snapshots without redeploy… | ||
| The Perfect Code Review | Conf42 Enterprise Software 2021 | 2021-03-25 |
Argues that code reviews should leave engineers energized and shows concrete, repeatable steps: impose small PR size limits, use automated checks (linters, CI)… | ||
| Pure Functions and Immutable Objects | Devnexus 2021 | 2021-02-17 |
Argues that isolating a functional core of pure functions and pushing I/O and side effects to an imperative shell makes logic referentially transparent, easier… | ||
| The Hitchhiker Guide to Pure Functions and Immutable Objects | jLove 2020 | 2020-12-04 |
Defines pure functions as side‑effect free and deterministic, shows Java cannot enforce purity at compile or runtime, and prescribes a concrete pattern… | ||
| Extreme Professionalism - Software Craftsmanship. | Devoxx Ukraine 2020 | 2020-11-05 |
Argues that overspecialization produces slow projects, low bus factor and blaming, supports collective code ownership and a full‑stack learning path, and cites… | ||
| Evolving a Pragmatic, Clean Architecture A Craftsman's Guide | Devoxx Belgium 2019 | 2019-11-04 |
Argues for continuous refactoring and a pragmatic Onion/Clean architecture: keep business logic in entities and domain services, expose separate DTO/read… | ||
| Unit Testing Like a Pro - Towards a Testable Design | Devoxx Belgium 2019 | 2019-11-04 |
Practical guidance for writing maintainable, fast unit tests for Java projects: covers testing priorities, identifying and fixing brittle/buggy tests, using… | ||
| Clean Code: The Next Chapter | Devoxx Belgium 2019 | 2019-11-04 |
Live refactoring of the Video Store kata shows concrete moves: keep tests green and use IDE refactorings to Extract Method, rename and inline until methods… | ||
| joins | Devoxx Belgium 2019 | 2019-11-04 |
Ana meets with Victor Rentea to talk software craftsmanship, clean coding and more during Devoxx BE 2019.
Victor's session 'Evolving a Pragmatic, Clean… | ||
| Refactoring from Callback Hell to Observables – Live Coding in TS | Voxxed Days Frontend Bucharest 2019 | 2019-05-21 |
Live-coding refactors an Angular7 TypeScript app from nested callbacks into chained promises, async/await and then observables, replacing paired HTTP… | ||
| The Proxy fairy and the magic of Spring | JPoint 2019 | 2019-04-05 |
Live-coding shows six concrete interception techniques and how they behave in Spring: a cached prime-number demo proves a decorator wired as a Spring bean… | ||
| Functional Programming Patterns with Java8 | Voxxed Days Cluj-Napoca 2018 | 2018-11-21 |
Concrete Java 8 functional programming patterns and anti-patterns are demonstrated with live refactorings using Lambdas, Streams, and Optional. Examples cover… | ||
| JPA Essentials Workshop – Fundamental Concepts and Common Pitfalls | Voxxed Days Bucharest 2018 | 2018-03-22 |
Covers concrete JPA pitfalls and demos: maps inheritance with single-table strategy, joined and table-per-class choices using Spring Boot, H2 and Hibernate… | ||
| The Art Of Clean Code | Voxxed Days Vienna 2017 | 2017-03-16 |
Claims that production code is read 10x more than it is written and that tiny, focused functions plus active renaming and extraction reduce long‑term cost… | ||
| The Art of Clean Code | Voxxed Days Bucharest 2016 | 2016-03-11 |
Claims practical rules: name things by domain so use domain names like Customer.firstName, avoid abbreviations, drop useless interfaces and keep APIs small… | ||
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