Sam Arch @samarchdb.bsky.social PhD Student in Databases @ CMU-DB
Previously a Compiler Engineer @ Apple
Ben @benjdd.com databases @planetscale.com
Some stuff I've written:
- https://pscale.link/io
- https://pscale.link/btrees
- https://pscale.link/sharding
Find me at benjdd.com
John Murray @johns.codes Software engineer @ antithesis
Always trying to talk about nix or rust...
Blog: Johns.codes
sophie alpert @sophiebits.com you have the ability to understand things
principal engineer, react person, super gay, still masking
Xiangpeng Hao @xiangpeng.systems Database/storage
Flight/DataFusion/Arrow/Parquet
PhD student@UW-Madison
https://xiangpeng.systems
Wan Shen Lim @wslim.bsky.social databases @ CMU-DB | capybara enthusiast | Pittsburgh | Brunei
mcyoung π³οΈβπ @mcy.gay a whimsicott crawled into your compiler and got stuck
call me sunny. yes! i am a furry artist!
β¨οΈ mcy.gay
π¨ art.mcy.gay
π° art.mcy.gay/comms
π @art.mcy.gay
πSeattle, WA
Tim Culverhouse @rockorager.dev 
Karl Seguin @karlseguin.com coding
https://www.openmymind.net/
Josh Baker @tidwall.bsky.social https://tile38.com | https://github.com/tidwall | https://tidwall.com
Lev Kokotov @levthedev.bsky.social Sharding Postgres with PgDog!
Local-First Conf @localfirstconf.com Connect with a rapidly-growing Local-First community. Join us for our third edition 12-14th of July 2026 in Berlin. www.localfirstconf.com
@har-shaji.bsky.social @har-shaji.bsky.social 
Johannes Schickling @schickling.dev Building a local-first music app overtone.pro with @livestore.dev. Host @localfirst.fm. DX Effect. Founded @prisma.io. schickling.dev
Nathan Flurry π© @nathanflurry.com building https://git.new/rivet (yc w23)
dms open
Julian Hyde @julianhyde.bsky.social On a mission to tame data. (Ex-Google, always ASF, working on something new.)
Michael Knyszek @michael.express #golang runtime
Philipp Pohl-KrΓΌger @matheus23.com Building iroh with the amazing folks at number 0 (n0.computer).
Generally striving to increase user agency and excited about commons networks.
Only works for Canadian CEOs, apparently.
Rust, cryptography, CRDTs & more on my feed
Iroh @iroh.computer IP addresses break, dial keys instead.
I'm iroh.computer from the folks at n0.computer, a modular networking stack in Rust π¦
Bartosz Sypytkowski @horusiath.bsky.social Yrs/Yjs core dev team. Interested in distributed systems, databases and CRDTs. Blogging: https://www.bartoszsypytkowski.com- A Adam @adamg.computer Software engineer. Mostly interested in Rust, data intensive systems and cats. jlm -> tlv -> ldn.
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Rust Language @rust-lang.org A programming language empowering everyone to build reliable and efficient software.
Website: https://rust-lang.org/
Blog: https://blog.rust-lang.org/
Mastodon: https://social.rust-lang.org/@rust
Lucio Franco @luciofran.co Tokio, Tonic, Hyper, Tracing, etc. Distributed Systems, Testing, and Reliability. he/him
@fjallrs.bsky.social @fjallrs.bsky.social Snazzy Rust KV store @ https://github.com/sponsors/fjall-rs
Hoshino Lina (ζδΉγͺγ) π©΅ 3D Yuri Wedding 2026!!! @lina.yt Hello everyone, Hoshino Lina here! I'm a developer VTuber!
βΆοΈ lina.yt/magic
EN/ζ₯ζ¬θͺο½she/herο½π¨ #HoshinoLinArt
My gf: @cyan.yt π©΅ο½We are @thgirls.yt
π @lina@vt.social
π¨ lina@lina.yt
π² lina.yt/sponsor | lina.yt/kofi
nikomatsakis @nikomatsakis.com Weird Al meets Grace Hopper. Rustacean. He/him.
I work for @AWSCloud. Opinions on twitter and elsewhere are my own.
David Andersen @daveandersen.bsky.social Computer Science Professor, CMU;
co-founder and CTO, Enriched Ag
Energy-efficient computing, a dash of security, and a pinch of databases.
Also on Mastodon (https://hachyderm.io/@dave_andersen )
signal: dga.48
he/him
Alfonso Subiotto @asubiotto.com Engineering at polarsignals.com & investing in devtools/data/infra
at lorimerventures.com | Previously tech lead at cockroachlabs.com
Casey Primozic / ameo @ameo.dev Programmer, primarily. Music makes life worth living; the internet is the greatest wonder of our age.
https://cprimozic.net/
Previously found at: https://twitter.com/Ameobea10
David Sancho @david.sancho.dev Open Source UI infra at @ahrefs.bsky.social with OCaml
Made styled-ppx and server-reason-react
Working on Reason / Melange / reason-react and friends
Made styled-ppx and server-reason-react
Working on reason-react / Melange / Reason
Keeley πΈ @vertedin.de Core @ Electron. Prev: Staff Eng @ Slack. Loves electric bikes, coffee, horror games & planting tomatoes.
She/They. πΆ LunaπPortland
dan @danabra.mov dancing for your pleasure
@buckwoodymsft.bsky.social @buckwoodymsft.bsky.social 
Jordan Isaacs @snowytrees.dev database internals engineer; building lakebase @ databricks; making transactions go vroom; author of too many nix flakes
Alexander Reelsen @spinscale.bsky.social Husband, dad, enjoys working distributed, likes distributed databases & search engines, the JVM, Basketball/Streetball fan, gulps coffee, lives in Emsdetten/Germany, occasionally blogs at https://spinscale.de
Cloudflare @cloudflare.social Cloudflare is the worldβs leading connectivity cloud, and we have our eyes set on an ambitious goal β to help build a better Internet.
Karan Sharma @mrkaran.bsky.social Software Engineer @zerodha.com
Interested in all things backend, infra and self hosting.
https://mrkaran.dev/
Love to discover new indie music. Plays Badminton semi frequently. Weekend chef. Long drives are therapy.
ElectricSQL @electric.ax The agent platform built on sync.
https://electric.ax - see also @pglite.dev
JauntyWunderKind @jauntywk.bsky.social Iteration & expansion of our mediaforms.
Embodying ourselves amid the digital.
Singing life to the new bodies electric.
To properly become connected together we must devise better forms to commune with the machine & connect w ourselves.
#BetOnTheWeb.
taco.cat @taco.cat map function turning a stream
of posts into favs, replies, and rts.
π³οΈβπ san francisco, calif.
π¨βπ» apache cassandra @ ο£Ώ
β alice lgbtq dems + victory fund
πββοΈ all views personal
Jeremy Morrell @jeremymorrell.dev Principal engineer @ Cloudflare. I talk about tech sometimes
Location: Squamish, BC π¨π¦
Website: https://jeremymorrell.dev/
Michael P. @m17e.co π¦πΊ. Ella's dad. Tech strategy. Former @cncf.io governing board member. @moderat10n, @moderation@mastodon.social
Vallari @vallari.bsky.social Software Engineer at Ceph, IBM
I love podcasts, books, doodles, animals etc.
Blog: vallariagrawal.com/
Bookmarks store: store.vallariagrawal.com/
Andrew Werner @ajwerner.net Building https://side-eye.io, previously worked on CockroachDB.
Sam Rose @samwho.dev That guy who makes visual essays about software at https://samwho.dev.
Developer Educator @ ngrok.com
He/him.
Almog @almog.xyz Favorite Buzzwords: Kafka Streams | SlateDB | Stream Processing | Distributed Databases
co-founder @ https://responsive.dev
William (Bill) Kennedy @goinggo.net β―Go β¦ Walking the line between correctness and comprehension β¦ bill@ardanlabs.com β¦ kronkai.com β¦ wife(aleintech.com) β¦ GoBridge
antirez @antirez.bsky.social Reproducible bugs are candies ππ¬
I like programming too much for not liking automatic programming.
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Matt Boyle @mattboyle.bsky.social Head of Product Engineering @ ona.com- I Isaiah Norton @ihnorton.bsky.social Arrays and scientific data at TileDB. Past #julialang contributor. Interested in systems, software and otherwise.
https://github.com/ihnorton
Redowan Delowar @rednafi.com Roving amateur fumbling through software, systems, & sundry.
Engineering @Doordash/Wolt
Writing rednafi.com
Currently in Berlin, Germany
nolen @itseieio.bsky.social the internet can still be fun!
https://onemillioncheckboxes.com β’ http://eieio.games β’ https://everyuuid.com β’ https://onemillionchessboards.com
Chew @flowerinthenight.com Programmer | Founder https://nightblue.io/ | CTO @ https://alphaus.cloud/ (Tokyo) | Embedded, drivers, low-level systems before, now into cloud, distributed systems, databases.
(https://flowerinthenight.com/)
Hillel is on Social Media Break @hillelwayne.com Formal methods, software history, chocolatiering. DMs open and happy to meet up in Chicago. Currently writing *Logic for Programmers* (out July-ish)
Newsletter: https://buttondown.email/hillelwayne/
Simas @paulikas.bsky.social I just want to build distributed data systems, read books, and drink tea.
Joy Gao @joygao.bsky.social software engineer at ClickHouse; prev: Figma, WePay
long-form βοΈ: https://expertofobsolescence.substack.com
Tim Bray @tbray.org Web geek and environmentalist with a camera at the bottom left corner of Canada. He/him.
Iβm mainly on Fedi, @cosocial.ca@timbray. On this account I mostly post #blueskyabove photos; for more, if youβre not on Fedi try @timbray.cosocial.ca.ap.brid.gy
Abe Ratnofsky @aratno.bsky.social hat check clerk at an ice rink
apache cassanda @ apple, netflix
Frank McSherry @frankmcsherry.bsky.social http://github.com/frankmcsherry/blog
Tom Ballinger @ballingt.com Duboce Triangle in SF
ballingt.com
Vishnu Bharathi @vishnubharathi.codes Engineer at Hasura π· Doing Dev tools, Backend, and Infra π οΈ
Recurse Center F1' 20 alum π₯οΈ Love for reading books, research papers & blogs π
"In a gentle way, you can shake the world" - Mahatma Gandhi
Jaseem π Abid @jabid.in πYet another nerd on the internet.
π§βπ»Previously Recurse Center, Monzo, Twitter and Apple.
πLondon, UK. He/Him
π²πΎποΈπ±ποΈππ¦ππ¬π§π΅πΈπ§π¦π³
Abhinav Upadhyay @abhi9u.bsky.social NetBSD Dev | Python Internals, AI, compilers, databases, & performance engineering | https://blog.codingconfessions.com/
Cambridge Computer Science @cst.cam.ac.uk Cambridge University Computer Science & Technology Department (aka the Computer Lab). We built the UK's 1st usable programmable computer, offered the UK's 1st Computer Science degree, created the 1st ever webcam - and continue to advance the field today.
FerrousSystems @ferroussystems.bsky.social Ferrous Systems builds stable software in and around Rust. We focus on development, tooling and training for embedded systems and network services. https://ferrous-systems.com
Brian Holt @brianholt.me π postgres pm at microsoft
π¨βπ« frontend masters teacher
π¨βπ» prev stripe, neon, netflix, reddit, snowflake
π¨βπ seattle university mba
π² seattle, wa
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.
Ricardo @polyrand.bsky.social (Machine Learning Engineer β Software Engineer) β© Medical doctor. Swimmer and dancer.
Jake @jitl.bsky.social i liek to make computer go brrrr
Recurse Center @recurse.com The retreat where curious programmers recharge and grow. π±
Work at the edge of your abilities, develop your volitional muscles, and learn generously.
π Applications are now open!
π https://www.recurse.com/
πNYC
Turso @tur.so The next evolution of SQLite
tur.so/discord
tur.so/github
Lambros Petrou @lambrospetrou.com Bootstrapping a business to simplify HTTP API testing π» skybear.net
Principal Software Engineer @cloudflare.
Past: DDOG, WhatsApp, AWS/Amazon
π lambrospetrou.com
Apurva Mehta @apurvamehta.com Co-Founder and CEO of @responsive.dev. I write about stream processing and company building. Views are my own.
π apurvamehta.com
James Arthur @thruflo.com CEO & Co-founder @electric.ax
CMU Database Group @db.cs.cmu.edu Carnegie Mellon Database Research Group
https://db.cs.cmu.edu/
@glaredb.bsky.social @glaredb.bsky.social 
Manish Gill @manishgill.bsky.social Engineering Manager @clickhouse.com | Databases | Kubernetes | http://parallelthoughts.xyz | https://berlinsystems.xyz/ | https://cal.com/manishgill | AI Research @TomTom
Delhi raised, Berlin based.
frectonz @frectonz.et https://frectonz.et
Hazel @hibachrach.com she/her; π³οΈββ§οΈworking on DocSend at Dropbox
Arnav Gupta @championswimmer.bsky.social Working in tech products. Helped build a few apps with 100M+ users. Love travelling, exploring new cuisines, taking photos and teaching people to code.
Garren @garrensmith.bsky.social Founding Engineer @ Tigris Data, CouchDB PMC - databases and distributed systems. Father, mountain biker, climber and musician 
shikhar @schmizz.net Making streams serverless @s2.dev
Kenton Varda @kentonvarda.com Tech lead for workers.cloudflare.com
Also made: capnproto.org, lanparty.house, sandstorm.io
@KentonVarda on Twitter.
Sirupsen @sirupsen.bsky.social ceo & cofounder of turbopuffer.com. prev infra @Shopify π©π°->π¨π¦
Jake Gold @jacob.gold Building AI infra @clor.com in SF Bay Area. Helped launch and scale Vibecode and Bluesky. Prev: Nuro, Docker, Google, and founder.
Addicted to history, computers, and open systems.
Unconditional love for all conscious life.
https://jacob.gold
Kavi @handle.invalid Senior engineer @ClickHouse| ex-@Grafana. @recursecenter F1β19
A. Jesse Jiryu Davis @emptysqua.re Senior Staff Research Engineer in the MongoDB Distributed Systems Research Group. Photographer, Gunks climber, Zen Buddhist. Blog: https://emptysqua.re
Andrey Satarin @asatarin.bsky.social Staff SRE at Google. Distributed systems / databases / reliability / correctness. Views my own. Repost / like is not an endorsement.
http://asatarin.github.io
Qian Li @qianli.dev Co-founder @dbos.dev β’ Stanford CS PhD
Co-organizer @southbaysystems.xyz
Working on π Database + Systems + AI
Amateur bird watcher π¦
Personal site: qianli.dev
She/her.
Justin @jaffray.bsky.social turning to the succor of modern computing machines, let us renounce all analytic tools
https://buttondown.com/jaffray justinjaffray.com
Nikhil Benesch @benesch.bsky.social Systems engineer @turbopuffer.bsky.social. Former CTO @materialize.com.
Arjun Narayan @arjunnarayan.com distributed systems, storage, compute, and databases.
Anirudh Oppiliappan @handle.invalid Founder @kapycluster.com, a serverless Kubernetes platform.
Bangalorean in Helsinki.
See: anirudh.fi/about
π±
Ink & Switch @inkandswitch.com An independent research lab exploring the future of tools for thought.
We envision a new computer that amplifies human intelligence. A system that helps you think more clearly, collaborate more effectively, and is available anywhere and anytime.
Sam Willis @samwillis.uk Local First, TanStack DB, @pglite.dev and Sync Engines at @electric-sql.com.
More at https://samwillis.uk
Joel Gustafson @gustafjt.bsky.social