Primer
primer.io
Actively hiring
Payment Processing & Gateways
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Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
11-50
employees, estimated range
Hiring now
22
+4 posted in 30 days
Backers
6
Accel, Balderton Capital
Momentum
32/100
hiring for its size, a new city, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
2020
Founded
Tractionpublic signals, read monthly
Web presence
top 0.11%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 24 points
Backed byfrom the funds' portfolios and accelerator catalogs
Accel 
Balderton Capital 
Peak XV Partners 
RTP Global 
Seedcamp 
Speedinvest Investors in similar startupsfunds that back the companies most like this one
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How Primer hires
Truth index
A 90/100
Median time to fill
50 days
Ghost roles
0%
Stale roles
40%
Reposted roles
0%
Primer scores A on the Alion truth index (A is best, E worst), measured over 5 open roles re-checked against its own hiring board: 0% look like ghost listings, 40% have gone stale and 0% are the same role posted again. Its roles close in a median of 50 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Primer is a London payments company founded in 2020 that provides a unified orchestration layer over payment providers. Its workflow builder lets merchants route transactions, retry failures and add fraud tools without engineering work for each integration. The company serves international merchants managing many payment relationships.
News
Context, Semantics, and Ontology: A Primer for the Agentic Era
A primer on the context layer, semantic layer, and ontology: what each term means, how they fit together, and why AI agents still need a human to decide what's true.
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Report
LoRA Primer - Tinker Documentation
Documentation for Tinker, a training API for fine-tuning open-weight language models: SDK reference, cookbook guides, recipes, and tutorials.
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Report
Primer: Worktrees + Coding Agents
Coding agents and (Git) worktrees seem like a match made in heaven. However, there's a lot more to it than meets the eye. Over the last 12 months, I have learnt way too much about Git worktrees, and I think now is a good time to lay it all
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Report
Sandboxing: One Word, Many Variations - A Primer for the Agent Era
Sandboxing spans microVMs, containers, processes, and in-process boundaries. Learn how to judge isolation for AI agents by strength and granularity.
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Report
Accessible notifications and messages
How to ensure updates and messages are communicated in an inclusive way.
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Report
Peter J. Liu (@peterjliu) on X
A distillation primer and why banning it would not halt progress of Chinese LLMs
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Report
A Quick Primer on DuckDB, S3, and Plotly Studio
This is the easiest and fastest way to analyze and visualize large datasets
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Report
Observability 2.0 - Observability Is About Asking Any Question
For years, the observability industry has been telling developers two contradictory things: "Build reliable systems" and "Log less, it's too expensive." This post is about a different shape of data - wide events - that gives you more answers for less mone
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Tech stack
Technologies named in job postings at Primer over the last 12 months, by layer, with the share of postings for each.
Technologies in use
47
Postings analysed
20
Stack modernity
82/100AI adopter
Languages
Python75%
SQL15%
TypeScript15%
JavaScript15%
Frameworks & libraries
Keras10%
PyTorch10%
React.js10%
Scikit-learn10%
Databases
Snowflake15%
CockroachDB5%
DynamoDB5%
ElasticSearch5%
Cloud & platforms
AWS35%
Kubernetes20%
GCP15%
Azure10%
AI & ML
Claude5%
LLM5%
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Full Primer tech stack
47 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$308k
Typical range
$278k – $473k
Open positions
3
1
Jobs
Senior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 1 | $308k | $308k |
Highest paying role
Enterprise Account Executive - East
$473k
Normalized to USD per year
Growth
Hiring Momentum
69/100
Growing
Open positions
22
2 opened / 9 closed in 30 days
Median time-to-fill
43 days
faster than 31% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Sales
26% ▼
Backend
15% ▼
Frontend
15% ▼
AI/ML
9% ▲
Security
9% ▲
Marketing
9% ▲
Activity Timeline
New location: Portugal
Oct 2026
New location: Romania
Oct 2026
New location: Poland
Oct 2026
New location: Hungary
Oct 2026
New location: South Africa
Sep 2026
New location: Cyprus
Sep 2026
New location: Germany
Sep 2026
Added XGBoost to stack
Sep 2026
Added TensorFlow to stack
Sep 2026
Added Scikit-learn to stack
Sep 2026
Added Reinforcement Learning to stack
Sep 2026
Added PyTorch to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
4
Hiring now
3
Countries
3
Busiest office
Singapore
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
London
United Kingdom
HQ
1 posted in 90 days 1-10 est. staff
Singapore
Singapore
Sales office
2 open roles 1 posted in 90 days 50% remote 1-10 est. staff
hires for Sales
San Francisco
United States
Sales office
1 open roles 1 posted in 90 days 100% remote 1-10 est. staff $278k Avg Salary
hires for Sales
Washington
United States
1 open roles 1 posted in 90 days 100% remote 1-10 est. staff $278k Avg Salary
hires for Sales
Earlier presence
Vancouver, Canada
Toronto, Canada
Jobs
≈ $92k – $186k per year (Estimated) • Remote (United Kingdom) • Full-Time
Apply
≈ $28k – $77k per year (Estimated) • Remote (Hungary, Poland, Romania, South Africa) • Full-Time
JavaScript
TypeScript
Web Components
Apply
≈ $59k – $96k per year (Estimated) • Remote (Hungary, Poland, Romania, South Africa) • Full-Time
Python
Apply
≈ $59k – $96k per year (Estimated) • Remote (Hungary, Poland, Romania, South Africa) • Full-Time
Python
Apply
≈ $95k – $179k per year (Estimated) • Equity • Remote (United Kingdom, Hungary, Ireland, Poland, Romania) • Full-Time
Python
XGBoost
Reinforcement Learning
Scikit-learn
TensorFlow
Keras
PyTorch
DevOps
GCP
Azure
CI/CD
AWS
Analytics
A/B Testing
Apply
≈ $95k – $179k per year (Estimated) • Equity • Remote (United Kingdom, Hungary, Ireland, Poland, Romania) • Full-Time
Python
XGBoost
Reinforcement Learning
Scikit-learn
TensorFlow
Keras
PyTorch
DevOps
GCP
Azure
CI/CD
AWS
Analytics
A/B Testing
Apply
Apply
Apply
≈ $52k – $125k per year (Estimated) • Remote (United Kingdom, Hungary, Ireland, Poland, Romania) • Full-Time
Python
Splunk
Terraform
AWS
Cybersecurity
ISO 27001
MITRE ATT&CK
PCI DSS
SOC 2
Tines
SIEM
Management
Zapier
Apply
≈ $94k – $211k per year (Estimated) • Remote (United Kingdom, Hungary, Ireland, Poland, Romania) • Full-Time
Python
TypeScript
Terraform
AWS
Kubernetes
Apply
≈ $59k – $149k per year (Estimated) • Remote (United Kingdom, Hungary, Ireland, Poland, Romania) • Full-Time
Python
SQL
Snowflake
CockroachDB
DynamoDB
ElasticSearch
AI/ML
dbt
Machine Learning
DevOps
Terraform
Helm
OpenTelemetry
Datadog
CI/CD
AWS
Kubernetes
Apply