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Companies Using Flask in United Kingdom

100 companies are hiring Flask talent in United Kingdom, with 132 open roles.

100
Companies
132
Open Roles

Flask is a lightweight Python web framework used to build APIs, internal tools, and data-driven applications. When a UK company posts Flask roles, it signals active backend development — often a new product build, platform migration, or scaling of an existing service. These companies are simultaneously in-market for cloud infrastructure, API tooling, database solutions, and developer productivity software.

Buying Signal

A Flask hire signals that a company is building or expanding a Python-based backend, which typically means procurement decisions around hosting, monitoring, and data infrastructure are imminent. Sales reps selling cloud platforms, observability tools, or managed databases should be prospecting these accounts immediately. A DevOps vendor, for example, should treat a Senior Python Developer posting as an early indicator of containerisation and CI/CD tooling spend.

Top Companies50 shown

CompanyIndustryHQ LocationSizeJobsLast SeenLinks
C
Capgemini Invent
 IT Services and IT Consulting Greater London, United Kingdom 10,001+ 11 7w ago
Oliver Wyman
oliverwyman.com
 Business Consulting and Services New York, United States 5,001+ 2 2mo ago
Arm
arm.com
 Semiconductor Manufacturing Cambridge, United Kingdom 5,001+ 1 1mo ago
Burson
bursonglobal.com
 Public Relations and Communications Services New York, United States 5,001+ 1 1mo ago
PRGX Global Inc.
prgx.com
 Financial Services Atlanta, United States 1,001–5,000 4 3mo ago
Helen of Troy
helenoftroy.com
 Manufacturing El Paso, United States 1,001–5,000 2 2mo ago
Scopely
scopely.com
 Entertainment Providers Culver City, United States 1,001–5,000 2 7w ago
Acron Aviation
acronaviation.com
 Aviation and Aerospace Component Manufacturing 1,001–5,000 1 2mo ago
CFC
cfc.com
 Insurance City of London, United Kingdom 1,001–5,000 1 2mo ago
ConcertAI
concertai.com
 Biotechnology Research Cambridge, United States 1,001–5,000 1 1mo ago
DNEG
dneg.com
 Animation and Post-production Greater London, United Kingdom 1,001–5,000 1 4mo ago
E.ON Next
eonnext.com
 Utilities 1,001–5,000 1 1mo ago
FairMoney
fairmoney.io
 Financial Services Paris, France 501–1,000 2 1mo ago
Canopius Group
canopius.com
 Insurance City of London, United Kingdom 501–1,000 1 1mo ago
Cerberus Capital Management
cerberus.com
 Financial Services New York, United States 501–1,000 1 2mo ago
DISCO
csdisco.com
 Software Development Austin, United States 501–1,000 1 7w ago
Dev.Pro
dev.pro
 IT System Custom Software Development Charlotte, United States 501–1,000 1 3mo ago
EDF Trading
edftrading.com
 Oil and Gas City of London, United Kingdom 501–1,000 1 7w ago
9fin
9fin.com
 Financial Services Greater London, United Kingdom 201–500 4 7w ago
La Fosse
lafosse.com
 Business Consulting and Services Greater London, United Kingdom 201–500 2 1mo ago
Midnite
midnite.com
 Gambling Facilities and Casinos Greater London, United Kingdom 201–500 2 3mo ago
Spire
spire.com
 Information Services Vienna, United States 201–500 2 7w ago
Alpha
alphacrc.com
 Translation and Localization Cambridge, United Kingdom 201–500 1 2mo ago
Bright
brightsg.com
 Software Development Ireland 201–500 1 5mo ago
Caspian One
caspianone.com
 Professional Services Bournemouth, United Kingdom 201–500 1 2mo ago
hireful
hireful.com
 Software Development Wellingborough, United Kingdom 51–200 4 2mo ago
Solirius Reply
solirius.com
 Information Technology & Services Greater London, United Kingdom 51–200 3 3mo ago
Cellular Origins
cellularorigins.com
 Automation Machinery Manufacturing North Hertfordshire, United Kingdom 51–200 2 2mo ago
ClearRoute
clearroute.io
 IT Services and IT Consulting Greater London, United Kingdom 51–200 2 2mo ago
hackajob
hackajob.com
 Software Development Greater London, United Kingdom 51–200 2 2mo ago
Lyst
lyst.com
 Retail Apparel and Fashion City of London, United Kingdom 51–200 2 2mo ago
Orchard Therapeutics - U.S.
orchard-tx.com
 Biotechnology Greater London, United Kingdom 51–200 2 1mo ago
QuantSpark
quantspark.ai
 Business Consulting and Services Greater London, United Kingdom 51–200 2 1mo ago
Serve Legal
servelegal.co.uk
 Professional Services City of Westminster, United Kingdom 51–200 2 2mo ago
Skin + Me
skinandme.com
 Wellness and Fitness Services Greater London, United Kingdom 51–200 2 4mo ago
Aiimi
aiimi.com
 IT Services and IT Consulting Milton Keynes, United Kingdom 51–200 1 2mo ago
Amber Labs
amberlabs.io
 IT Services and IT Consulting Greater London, United Kingdom 51–200 1 11mo ago
Axians UK
axians.co.uk
 IT Services and IT Consulting Basingstoke and Deane, United Kingdom 51–200 1 4mo ago
Elsewhen
elsewhen.com
 Business Consulting and Services Greater London, United Kingdom 51–200 1 1mo ago
Flawless
flawlessai.com
 Software Development City of Westminster, United Kingdom 51–200 1 2mo ago
Belltree
belltreegroup.co.uk
 Oil and Gas City of Edinburgh, United Kingdom 11–50 1 6w ago
Cambridge AtomWorks
cambridgeatomworks.com
 Nuclear Electric Power Generation Cambridge, United Kingdom 11–50 1 7w ago
Apollo Research
apolloresearch.ai
 Technology, Information and Internet Greater London, United Kingdom 2–10 2 3mo ago
Morta
morta.io
 Software Development City of London, United Kingdom 2–10 2 7w ago
Data Nucleus
datanucleus.dev
 Technology, Information and Internet Manchester, United Kingdom 2–10 1 2mo ago
Day30
day30.ai
 Advertising Services City of Westminster, United Kingdom 2–10 1 6mo ago
Deluxe RV Service & Sales
deluxerv.ca
 Motor Vehicle Manufacturing Carstairs, Canada 2–10 1 7w ago
SS&C Technologies
ssctech.com
 Software Development Windsor, United States 10,001+ 2 7w ago
Avanade
avanade.com
 IT Services and IT Consulting Seattle, United States 10,001+ 1 4mo ago
BBC
bbc.co.uk
 Broadcast Media Production and Distribution City of Westminster, United Kingdom 10,001+ 1 1mo ago

100 companies use Flask. Want the full list?

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Companies with open Flask roles in United Kingdom. Company HQ may be in a different location.

▲Market Signal

111 UK companies actively hiring Flask talent across 150 open roles points to sustained, broad-based demand rather than a niche spike. This volume suggests Flask remains a primary framework choice for backend teams, not a legacy holdover.

⦿Stack Intelligence

Flask roles in the UK consistently appear alongside Postgres, Celery, Docker, and FastAPI — a stack that signals production-grade, asynchronous, containerised applications. This combination indicates teams building scalable microservices, not prototype projects, which raises the likelihood of spend on orchestration, observability, and managed infrastructure. For sales teams, this stack fingerprint narrows targeting to companies with engineering maturity and real budget authority.

Flask Hiring Landscape

Where and how companies hire Flask talent

By Industry

Software Development
22
Financial Services
10
IT Services and IT Consulting
12
Business Consulting and Services
8
Technology, Information and Internet
7
Information Services
3
Insurance
4
Advertising Services
3

Top Roles

Senior Python Developer6Python Developer5Senior Software Engineer5AI Placement Analyst4Data Engineer4Full Stack Developer4Senior Backend Engineer3Senior Data Engineer3Software Engineer3AI Engineer2Agentic / GenAI Consultant / Senior Consultant2Data Scientist2

Related Technologies

PythonPostgreSQLCeleryDockerFastAPI

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Frequently Asked Questions

What is Flask?

Flask is a Python framework used to build web APIs and backend services quickly and with minimal overhead. Businesses choose it when they need flexible, custom backend logic without the constraints of heavier frameworks. A company hiring for Flask is actively building or scaling a software product.

Why should sales teams track Flask hiring?

Flask hiring is a reliable early signal that backend infrastructure decisions are in motion. A company posting five Flask roles in a quarter is likely evaluating cloud providers, databases, and developer tooling within the same window.

Who should be selling to companies that use Flask?

Cloud infrastructure providers, managed database vendors, API security platforms, and developer observability tools are best positioned to sell into companies actively hiring Flask talent.