Jumpseller
E-commerce Platforms
Jobs
$19k – $31k per year · Remote (Portugal) · Porto
JavaScript
Ruby
Machine Learning
Frontend
React.js
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Growth
Hiring Momentum
31/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
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.
Backend
100% ▲
Activity Timeline
Added UML to stack
Sep 2026
Tech stack
Technologies named in job postings at Jumpseller over the last 12 months, by layer, with the share of postings for each.
Technologies in use
4
Postings analysed
1
Stack modernity
85/100
Languages
Ruby
JavaScript
Frameworks & libraries
React.js
Practices & domains
Machine Learning
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Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Porto
Porto
Portugal
HQ
2 open roles 1 posted in 90 days 100% engineering 100% remote $31k Avg Salary
hires for Backend
