interregna / arraylanguage-companies

A List of companies that use Array Languages (J, K, APL, q)

A List of Companies that Use Array Languages (J, K, APL, q)

This list has been made in collaboration with members of /r/apljk

Similar lists

There are a few other lists like this for other languages that might be of interest to a reader of this one.

• Elixir
• Elm
• F#
• Haskell
• Lisp
• PureScript

Updates

If you see a company on the list that doesn't exist anymore, or does not use an array language anymore, please send a pull request with an explanation. The same goes if you're currently working at, or know a company that uses an array languages but is not on the list. Please include the website, github (if applicable), locations, sector and whether the company allows developers to work remotely.

Many of these companies have some kind of array language development, but it is often in one or a few particular teams rather than company-wide.

Remote

Some of these companies support remote hires. Where that information is available, it has been indicated in the Remote OK column below. Timezone and/or country restrictions might apply.

Recruiting

Some companies not listed here engage through recruiting firms which often do not disclose their clients.

Language	Job Board
APL	APL Wiki

Companies

Name	Language	Location	Sector	Source	Remote OK?
1010Data	K3	New York	analytics	Reddit	yes
4xtra	APL	UK	consulting	company
APL Borealis	APL	Ontario, Canada	consulting	company
Aplensia	APL	Sweden	consulting	Dyalog
Appian	K	global	apps	company	yes
BNP Paribas	kdb+/q	global	finance	company	yes
Data Intellect (formally AquaQ)	Kx	Belfast, UK + Jersey City, US	consulting	Reddit
Aviva	APL	London, UK	finance	Optima systems
Barclays	K	global	finance	tsdb
Bank of America - Merrill Lynch	K	global	finance	tsdb
BCA Research	APL	Canada	finance	APL Wiki
BIG	APL	USA	Retail consulting	APL Wiki	only
Carlisle Group	APL	Pennsylvania	financial software	GitHub	yes
Citi Bank	K	global	finance	tsdb
Connor, Clark & Lunn	Kdb+	Vancouver, Canada	finance	know someone who works there
CompuGroup Medical	APL	Sweden	medical	Dyalog
Commerzbank	K	Germany	finance	tsdb
Cowen - Convergex	K	global	finance	tsdb
Citadel	K	Chicago	finance
CitiBank	Kdb+	New York	finance	Know someone who worked/works there
DekaBank	K	Germany	finance	tsdb
Deutsche Bank	K	global	finance	tsdb
DNA•VIEW	APL	California	forensics	APL Wiki
DPC	APL	Germany	consulting + software dev	company	yes
Dyalog	APL	UK + Denmark	software dev + consulting	company	yes
Goldman Sachs	K	global	finance	tsdb
GSA Capital	K	London & New York	finance	tsdb
HMW Computing	APL	UK	company
InfoStroy	APL	Russia	finance	company	yes
InvestCloud	APL	United States	finance	company	yes
Janssen	APL	USA	medical	Optima systems
JP Morgan	Kdb+	New York	finance	Know someone who worked/works there
Lloyds Bank	APL	UK	Optima systems
Jersie Data	APL	Denmark	food distribution + consulting	company
METSIM International	APL	USA	process modelling	company
MJH Software	APL	UK	consulting + support	company
Monument	J	New York	analytics		some
Morgan Stanley	Kx	New York	finance	Reddit
MUFG	K	global	finance	tsdb
Nomura	K	global	finance	tsdb
Oppenheimer Capital Markets	K	global	finance	tsdb
Optima Systems	APL	UK	consulting	company
Pimco	Kdb+	Newport Beach	finance	company
Platonic Systems	APL	Colorado	consulting + software dev	company
RBC Capital Markets	K	global	finance	tsdb
Red Bull Racing Team	Kx		sensors	Kx
SimCorp	APL	global, HQ - Copenhagen, Denmark	financial software	Wikipedia
Total Gas & Power UK	K	global	finance	tsdb
UBS	Kdb+	global, HQ - Zurich, Switzerland	finance	Know someone who works/worked there
UniCredit Bank	K	Europe	finance	tsdb
Volvo	APL	Sweden	manufacturing	Dyalog
WinTech	APL	Connecticut	software dev	Rex Swain

arraylanguage-companies's Issues

Add q to the description

Current description:

A List of companies that use Array Languages (J, K, APL)

Should be:

A List of companies that use Array Languages (J, k, APL, q)

Use APL Wiki's list of case study lists

Add all the companies from all the lists listed at https://apl.wiki/Case_studies

Add list of companies that use Kdb+

http://www.timestored.com/b/forums/topic/what-companies-use-kdb-just-finance-banks/

Goldman Sachs
Morgan Stanley
Merrill Lynch
J.P. Morgan
Deutsche Bank
Oppenheimer Capital Markets
UniCredit Bank AG
DekaBank
ConvergEx
Commerzbank AG
RBC Capital Markets
Connor, Clark & Lunn Financial Group
GSA Capital
Total Gas & Power UK

Other ones include:
Numerous hedge funds
Nomura
MUSI
UBS
Barclays Bank
Citi Bank

Update company list

Please add the following new entry to the list of companies, that work with array languages:
Name: DPC
Language: APL
Location: Germany
Sector: consulting + software dev
Source: https://dpc.de/
Remote OK? Yes

Add companies from APL wiki job listings

The relevant page is https://aplwiki.com/wiki/Talk:Jobs