Overview
Connections
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Overview

MarsBased builds complex web applications for global enterprises and scale-ups — senior engineers, proven AI methodology, Ruby on Rails, React, Node.js & Bun and Python, from Barcelona since 2014.

Tech stack

Technologies named in job postings at MarsBased over the last 12 months, by layer, with the share of postings for each.
Technologies in use
21
Postings analysed
2
Stack modernity
77/100
Languages
Node JS
TypeScript
JavaScript
SQL
Frameworks & libraries
Next.js
React.js
CrewAI
LangChain
LangGraph
Jest
Tailwind CSS
Cypress
Developer tools
Claude Code
Cursor
OpenAI Codex
Docker
Practices & domains
Clean Architecture
AI Agents
Agentic Workflows
Multi-Agent Systems
Tokenization
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Growth

Hiring Momentum
48/100
Stable
Open positions
1
0 opened / 0 closed in 30 days
Median time-to-fill
44 days
faster than 30% of the market
ATS activity
Every ~5 hours
10/30/2026
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.
AI/ML
100% ▼
Activity Timeline
Removed Windows from stack Sep 2026
Added Windows to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Barcelona Spain
Regional office
10-50 est. staff
Carrer de Sardenya, 470, 2n 1ª, Barcelona, Catalonia, 08025, ES
company site

Jobs

≈ $103k – $238k per year (Estimated) · Remote (Europe) · 5+ years exp
JavaScript
TypeScript
SQL
Node JS
Cursor
LangGraph
LangChain
Claude Code
AI Agents
CrewAI
Tokenization
OpenAI Codex
Agentic Workflows
Multi-Agent Systems
Frontend
Tailwind CSS
Next.js
React.js
Mobile
Clean Architecture
DevOps
Docker
Management
n8n
QA
Cypress
Jest
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