Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials
Overview
Readdle is a Ukrainian software company founded in 2007 and headquartered in Odesa. Its productivity apps including Spark and PDF Expert are used on Apple devices worldwide. The company has tens of millions of users.
News
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Readdle PDF Expert review
Readdle's PDF Expert may be the only PDF editor most Apple users will ever need.
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Cofounder Of Readdle Is Sold On Silicon Valley And Ready To Take His Company To The Next Level
At the Founder's Forum North America Summit, Igor Zhadanov discusses Ukrainian workforce vs. London's, the idea to start Readdle with his brother, and Russia's affect on business affairs with Forbes Assistant Managing Editor, Diane Brady.
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Technologies
Tech DNA
Python
SQL
Go
Amazon Redshift
Google BigQuery
Snowflake
Firebase
AWS
GCP
LLM
Mobile
JavaScript
App Center
Firebase
Adjust
AppsFlyer SDK
AI/ML
Python
SQL
Spark
LLM
Time Series Forecasting
Amazon Redshift
Google BigQuery
Snowflake
AWS
GCP
Kubernetes
Other
Go
Ruby
Figma
Amplitude
Mixpanel
Tableau
Jira
Hotjar
Stack modernity
75/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Python
2 jobs
Required
Spark
2 jobs
Required
Figma
1 job
Optional
Jira
1 job
Required
Firebase
1 job
Optional
LLM
1 job
Optional
App Center
1 job
Required
SQL
1 job
Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
9%
SQL
9%
JavaScript
8%
AWS
8%
Kubernetes
7%
GCP
6%
Share of companies in the same industry that use each technology.
Stack changes
Time Series Forecasting
Aug 2026
Ruby
Aug 2026
Kubernetes
Aug 2026
JavaScript
Aug 2026
Go
Aug 2026
GCP
Aug 2026
AWS
Aug 2026
Tableau
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Growth
Hiring Momentum
38/100
Slowing
Open positions
5
0 opened / 0 closed in 30 days
ATS activity
Every ~1 hours
08/29/2026
Hiring Dynamics
0%
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.
QA
100% ▲
Activity Timeline
Added Ruby to stack
Aug 2026
Added Kubernetes to stack
Aug 2026
Added JavaScript to stack
Aug 2026
Added Go to stack
Aug 2026
Added GCP to stack
Aug 2026
Added AWS to stack
Aug 2026
Added Tableau to stack
Aug 2026
Added SQL to stack
Aug 2026
Added Spark to stack
Aug 2026
Added Snowflake to stack
Aug 2026
Added Python to stack
Aug 2026
Added Mixpanel to stack
Aug 2026
Jobs
Senior Manual QA Engineer - PDF Expert
18 days agoIn office • 2+ years exp
LLM
Mobile
App Center
Firebase
Design
Figma
Management
Jira
Apply
Senior Growth Analyst - Spark
1 month ago≈ $48k – $88k per year (Estimated) • Remote • Warsaw
Python
SQL
Amazon Redshift
Google BigQuery
Snowflake
AI/ML
Spark
Time Series Forecasting
Mobile
Adjust
AppsFlyer SDK
Analytics
Tableau
Marketing
Amplitude
Hotjar
Mixpanel
Apply
Senior Product Manager - PDF Expert team
2 months ago≈ $62k – $106k per year (Estimated) • Remote • Warsaw
Apply
Apply
Senior Backend Engineer - Spark team
2 months ago≈ $65k – $100k per year (Estimated) • Remote • Warsaw
Go
JavaScript
Python
Ruby
Spark
DevOps
AWS
GCP
Kubernetes
Apply

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