Ian Cook @ian.columnar.tech I work on Apache Arrow and obsess about interoperability and performance in data analytics systems
Tim McNamara @timclicks.dev Trainer and consultant on the Rust programming language. Author of Rust in Action. Team climate. Walkable neighbourhoods are nice, actually.
Signal: @timclicks.01- J James Cheng @jamescheng.bsky.social Data analyst. Washington, DC. he/him. ๐ณ๏ธโ๐.
Ao Li @aoli.al PhD Student@CMU
If you want deterministic concurrency testing, try Fray (https://github.com/cmu-pasta/fray). 
Paul King @paul-king.bsky.social Father husband Australian software-developer craftsman computer-scientist author speaker trainer mentor manager innovator committer swimmer cyclist gardener
Commonhaus Foundation @commonhaus.org The Commonhaus Foundation is dedicated to supporting the growth and stability of open-source projects through collaboration and innovation. https://commonhaus.org
Bassem @glich.stream SWE @github.com
"OPINIONS" about software engineering, eng. management, tech career. // I create content that some people like to watch ๐บ https://glich.stream
Rich Bowen @rbowen.bsky.social Open source zealot. Maker of knives. Thrower of darts. 
Weston Pace @westonpace.bsky.social Software developer working on all things arrow and columnar storage, currently, Lance.
Tanel Poder @tanelpoder.com Creator of https://0x.tools, also a long-time computer performance nerd. Perf & troubleshooting blog: tanelpoder.com. All onions are mine!
Andrew Duffy @a10y.dev SYSTEMS HACKERS SOLVE THE BEAR MENACE
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Apache Software Foundation (The ASF) @apache.org The global home for open source software, powering some of the worldโs most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more. Learn more at https://apache.org.
Liam Randall @liamrandall.bsky.social Cosmonic, CNCF wasmCloud, WebAssembly, Security, Chair CNCF Cloud Native WebAssembly Day, wasmCon, CNCF Ambassador
bohu @bohutang.bsky.social Co-founder & CEO https://databend.com
antirez @antirez.bsky.social Reproducible bugs are candies ๐ญ๐ฌ
I like programming too much for not liking automatic programming.
Bart Maertens @bart.know.bi @hop.apache.org PMC member, @know.bi founder, @putki-io.bsky.social co-founder
๐ Belgium, Europe
Andrew Lamb @andrewlamb1111.bsky.social Apache {DataFusion PMC}, Database Internals
Matthew Turner @matthewmturner.com Co-Founder @ versd.co / Software Engineer @ Polygon.io
Paul Masurel (fulmicoton)๐ฆ @fulmicoton.bsky.social Quickwit's co-founder. Tantivy dev. Rustacean.
https://github.com/quickwit-oss/quickwit
Lalith Suresh @lalithsuresh.bsky.social CEO @ feldera.com, the incremental compute engine for AI, ML and data teams.
Formerly a systems researcher in distributed systems, databases, cloud, OS, PL, and networking. Sci-fi and gaming nerd.
lalith.in/research
Kagi HQ @kagi.com Privacy-respecting search, browser and products that put you first. No ads. No trackers. Ever. https://kagi.com/
@flaneur2024.bsky.social @flaneur2024.bsky.social maintainer of SlateDB
loves Rust, Datasys, Cloud Infra, AI
https://flaneur2020.github.io
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
Philippe Noรซl @philippemnoel.bsky.social CEO @paradedb.com โข H'20 โข ๐ซ๐ท๐จ๐ฆ
https://philippemnoel.posthaven.com
Micah Wylde @micahw.com Co-founder arroyo.dev, building next-gen streaming systems. Prev Splunk, Lyft, Sift, Quantcast.
Nile @thenile.dev PostgreSQL re-engineered for multi-tenant apps
๐ณ http://thenile.dev
๐https://git.new/nile
๐น http://youtube.com/@niledatabase
๐ฌhttp://discord.gg/8UuBB84tTy
Mara Bos @mara.bsky.social Rust dev, Electronics engineer, Author, RustNL, RustWeek organizer, ADHD, Polyamorous, Lesbian, She/Her
Armin Ronacher @mitsuhiko.at Creator of Flask โข earendil.com โฅ๏ธ writing and giving talks โข Excited about AI โข Husband and father of three โข Inhabits Vienna; Liberal Spirit โข โmore nuanced in personโ โข More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Piotr Sarna @sarna.dev Currently: poolside
Hacking history: Turso, libSQL, Seastar, ScyllaDB, LizardFS, some kernel stuff
David Tolnay @dtolnay.bsky.social 
Patrick Walton @pcwalton.turbofishstudios.com Programming languages and graphics person. Rust compiler, Firefox, and Bevy contributor. Currently working on an unannounced project!
Pekka Enberg @penberg.org @๐ก๐ซ๐ฎ๐ช๐บ๐งโ๐ป
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
nrc @ncameron.org Rust consultant (currently working with Tailscale). Formerly: Rust core team, Rust IDEs, Rustfmt, async Rust, Distributed databases, Microsoft principal engineer, Mozilla (Rust and Firefox). PhD in PL. Aotearoa NZ
www.ncameron.org
srrrse @without.boats WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO FITNESS FOR A PARTICULAR PURPOSE
amos @fasterthanli.me hi, I'm amos! ๐ they/them ๐ฆพ AI liker ๐ซ working on https://vixen.rs to improve build systems ๐ฆ known for teaching rust and not much else
๐ https://fasterthanli.me
๐บ https://youtube.com/@fasterthanlime
Vicki @vickiboykis.com Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon).
https://vickiboykis.com/what_are_embeddings/
Databend @databend.com ๐๐น๐ผ๐๐ฑ & ๐ข๐ป-๐ฝ๐ฟ๐ฒ๐บ ๐ข๐ฝ๐ฒ๐ป-๐ฆ๐ผ๐๐ฟ๐ฐ๐ฒ #๐ฆ๐ป๐ผ๐๐ณ๐น๐ฎ๐ธ๐ฒ ๐ฎ๐น๐๐ฒ๐ฟ๐ป๐ฎ๐๐ถ๐๐ฒ.
๐๐%+ compatible, ๐๐%+ cost savings. Powered by #Rust.
https://github.com/databendlabs/databend
DuckDB @duckdb.org DuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.
Joy Gao @joygao.bsky.social software engineer at ClickHouse; prev: Figma, WePay
long-form โ๏ธ: https://expertofobsolescence.substack.com
Julien Le Dem @julien.ledem.net Principal Engineer, Founder, Angel, Advisor, OSS.
LFAI&data: OpenLineage, Marquez, ASF: Parquet, Arrow, Iceberg, ๐
he/him.
Me: https://julien.ledem.net/
Blog: https://sympathetic.ink
Gwen Shapira @gwenshap.bsky.social Founder of SaaS Developer Community and Nile Database. 
shikhar @schmizz.net Making streams serverless @s2.dev
Josh Wills @spite.vc Forward Deployed Angel Investor
https://github.com/jwills
Jakob Homan @jakobhoman.bsky.social Software engineer. Data infra guy. Apache Committer/PMC on various projects. WebAssembly enthusiast. Also cinema, street photography and sarcasm...
No relation to that fascist fuck.
Bryan Cantrill @bcantrill.bsky.social Co-founder and CTO of Oxide Computer Company. According to Field of Schemes, "tech exec and Oakland A's fan" -- but more of an Oakland Ballers fan now.
Paul Butler @paulbutler.org I build jamsocket.com and write digest.browsertech.com
Adi Polak @adipolak.bsky.social Code | Test | Deploy | Get paged
Data streaming, Machine Learning and AI app intensive Systems
Craig @craigkerstiens.com Product @crunchydata previously MSFT/Citus/Heroku. Talk a lot about Postgres and startups. Why Postgres? https://www.crunchydata.com/why-postgres
Teej @teej.bsky.social building Downlink (yc w24)
William Morgan @williammorgan.me Chief Email Outputter at Buoyant. Linkerd spokesnerd. Twitter refugee and former engineer
๐Austin, TX
Felicitas Pojtinger ๐
@pojntfx.mastodon.social.ap.brid.gy Building digital infrastructure that lasts with #linux #virtualization #containers #kubernetes #gnome
Head of R&D @loopholelabs, on the board @vanlug and member [โฆ]
๐ bridged from โ https://mastodon.social/@pojntfx, follow @ap.brid.gy to interact
Gunnar Morling @gunnarmorling.dev Technologist @ Confluent ยท Ex-lead of Debezium ยท Spec lead of Bean Validation 2.0 ยท Creator of Hardwood, kcctl, JfrUnit, MapStruct ยท Java Champion ยท morling.dev ยท ๐ด
rmoff ๐โโ๏ธ๐ซ๐ฅ @rmoff.net Shitposting & Memes.
Data & Stuff.
#dataBS #trailrunning
โ๏ธ https://rmoff.net ๐ https://rmoff.info
(DMs closed because of stupid UK age verification requirements).
Chris K Wensel @chris.wensel.net Co-Organizer of https://lu.ma/sf-distsys
Developer of https://github.com/ClusterlessHQ, https://cascading.wensel.net, and other data related projects.
Ramana @vramana.dev Staff Software Engineer. Interested in #rust, #typescript and #golang. https://blog.vramana.com
Tobias Mรผller @tobilg.com Serverless enthusiast. DuckDB afficionado. AWS Community Builder.
Building @sql-workbench.com @ownstats.com @learningduckdb.com
Blog: https://tobilg.com
Apurva Mehta @apurvamehta.com Co-Founder and CEO of @responsive.dev. I write about stream processing and company building. Views are my own.
๐ apurvamehta.com
joschi @joschi.work ๐ฆฃ Mastodon: https://hachyderm.io/@joschi
๐ GitHub: https://github.com/joschi
Ananth Packkildurai @ananthdurai.bsky.social Editor Data Engineering Weekly; subscribe www.dataengineeringweekly.com. In Prgress, LakeByte
Shivansh Vij @shivanshvij.com CEO @loopholelabs.io
Ryanne Dolan @ry.codes BigTech BigData infra @ LinkedIn, Twitter, Cloudera
Frederic Branczyk @brancz.com VP of Data Engineering at Dash0. Previously, founder of Polar Signals (acquired by Dash0).
Adam Boscarino @ajbosco.dev Cat Dad, SciFi/Fantasy Nerd, Cocktail Enthusiast, Sports Fan, Data Engineer
Danica Fine @thedanicafine.bsky.social Opinions my own.
Developer Advocate. ๐ฅ โ๏ธ
http://linktr.ee/thedanicafine
ram @sriramsub.bsky.social Founder and CEO at Nile (https://www.thenile.dev/). Previously: VP of Engineering at Confluent. Believe to win.
Tino Tereshko @tinot.bsky.social Available for coffee dates
Data infra AI
Ex MotherDuck Firebolt BigQuery. Papa. Husband to
@emilyvajda
Ultra-competitive C class cyclist
Diptanu Choudhury @diptanu.bsky.social CEO @tensorlake.bsky.social Past - AI Infrastructure at Facebook, LinkedIN, Hashicorp, Netflix
Yaroslav Tkachenko @sap1ens.com Data Streaming Systems | Fractional Consulting, Advising, Training
Website & blog: https://sap1ens.com
Newsletter: https://streamingdata.tech
Teaching at: https://streamacademy.io
Oliver Gould @olix0r.net Production systems.
System productions.
web: https://olix0r.net
Don't believe anything that @ver.ooo says.
Jack Vanlightly @vanlightly.bsky.social Researcher, advisor, writer, formal verification eng @ Confluent.
Everything data (dist sys, databases, messaging, data eng/analytics).
https://jack-vanlightly.com, https://www.hotds.dev
Credit: ESO/B. Tafresh
Kaivalya Apte @thegeeknarrator.bsky.social Podcaster, Youtuber @TheGeekNarrator
(https://youtube.com/@thegeeknarrator?si=yN0zWNDAScJKv_QZ) Databases, Stream processing, Distributed systems Software Engineer @Confluent
Tzu Gwo @gwooo.bsky.social Founder of tonbo.io
Eric Sammer @esammer.bsky.social CEO @ Decodable. Systems, databases, stream processing. OโReilly author, ex-Cloudera, Splunk, Rocana, and others.
https://www.decodable.co
Martijn Visser @2symbols.com Product Manager at Confluent, PMC member/Committer for Apache Flink. Product, Community, CI/CD, Data, SQL, APIs, Analytics, Technology, Security, IT, Law, Sports. He/him
Bernard Kolobara @kolobara.com Creator of https://lubeno.dev and https://flawless.dev. ๐ฆ
Andy Grove @andygrove.io Apache Arrow & DataFusion PMC Member. Original creator of Apache DataFusion.
RustTrending @rusttrending.bsky.social Automated bot posting trending Rust repositories on GitHub.
Made by @pbzweihander.dev, but not curated by.
Source code: https://github.com/pbzweihander/rust-trending
Paul Dix @pauldix.bsky.social Cofounder & CTO InfluxData, makers of InfluxDB, the open source time series database. Founder of NYC Machine Learning Meetup. Former Ruby on Rails developer and enthusiast (still a fan).
Xiangpeng Hao @xiangpeng.systems Database/storage
Flight/DataFusion/Arrow/Parquet
PhD student@UW-Madison
https://xiangpeng.systems
Orhun Parmaksฤฑz @orhun.dev Terminal Chef ๐
@ratatui.rs ยท @jetbrains.com ยท @archlinux
Open source: https://github.com/orhun
Livestreams: https://youtube.com/@orhundev
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
WhiteSponge @whitesponge.bsky.social Lover of all things tech, design and coding! Designing/creating apps/robots with Rust/JS!
Recently released Spux for Leptos!
Building MonitorBolt.com in 2026!
https://www.whitesponge.com - Blog
https://youtube.com/@whitesponge - YouTube
Jimmy Zelinskie @jimmy.zelinskie.com Cofounded @authzed.com. Exited Red Hat, CoreOS.
I build distributed systems, databases, authorization systems, containers, and businesses. NYC transplant in SF.
Jordan Lewis @largedatabank.com Sr Director of engineering @ Cockroach Labs.
Brooklyn
Check me out: https://largedatabank.com
The old site: https://twitter.com/largedatabank
authzed @authzed.com Authorization that scales
๐ทโโ๏ธ Creators of https://spicedb.io
๐ซ Inspired by Google's https://zanzibar.tech
๐งก YC W21
Read about how OpenAI securely connects enterprise knowledge with ChatGPT by using AuthZed: https://authzed.com/customers/openai
Barak Michener @barakmich.bsky.social 
Prometheus Monitoring @prometheus.io The leading open-source monitoring solution - prometheus.io
CockroachDB @cockroachdb.bsky.social A distributed SQL database designed for speed, scale, & survival.
๐ชณ Meet CockroachDB: https://cockroa.ch/db
๐ Learn for free: https://cockroa.ch/u
๐ง Listen: https://cockroa.ch/cast
Alex P @ifesdjeen.bsky.social Distributed and Storage Systems. Apache Cassandra Committer and PMC member. Author of Database Internals. Mountain person. http://databass.dev/
Heidi Howard @heidihoward.bsky.social 
Electrified Filth @ak47.io tylerneely.com
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote โDesigning Data-Intensive Applicationsโ (OโReilly). he/him
Richard Bishop @richardb.bsky.social Distributed systems, databases, and the foundational primitives for better (more robust, efficient, accessible) computing.
Currently at Snowflake building managed Postgres. Formerly Crunchy Data and AWS.
Mark Brown @markjbrown.com I work on the Azure Cosmos DB team.
โค๏ธ Distributed systems and databases.
Helping developers design for infinite scale.
Brent Ozar @brento.bsky.social I make databases go faster. I love teaching, travel, laughing, and collecting vintage sports cars. Las Vegas. He/him, pan.
@dbsmasher.com @dbsmasher.com All sorts of SRE things. Breaker of all things. Source of the #botrosd hashtag. Professional finder of problems.
Author of High Performance MySQL 4th edition
Andrew Atkinson @andyatkinson.com Software Engineer, Author, High Performance PostgreSQL for Rails
andyatkinson.com/pgrailsbook
PlanetScale @planetscale.com The database platform built for scale. Postgres and Vitess/MySQL.
https://planetscale.com
Discord: http://discord.gg/pDUGAAFEJx
Status: http://planetscalestatus.com