6391 Ruby on Rails English-speaking jobs in Barcelona
Salesforce Engineer Revenue Cloud
- Lawrence Harvey
- Barcelona
- April 4
looking for a Salesforce Engineer to join an international software engineering environment focused on ... This role is ideal for someone who enjoys combining hands‑on development with functional understanding ... Consultant, or Sales Cloud Consultant are a plus
Why this opportunity is interesting
You will work on ... Salesforce integration capabilities
Partner with internal stakeholders, providing both strategic and hands‑on
Business Controller
- Novanta Inc.
- Barcelona
- April 3
page is loaded## Business Controllerlocations: Barcelona, Spain - Keonntime type: Full timeposted on ... Novanta’s common shares are quoted on Nasdaq under the ticker symbol "NOVT".
#J-18808-Ljbffr ... with Sales to translate pipeline and bookings into forward‐looking revenue forecasts.* Lead reporting on ... Controller** to act as the key finance partner to the local leadership team.This role is ideal for a hands‐on
Backend Engineer
- Steneg
- Barcelona
- April 3
Hands‑on experience deploying and operating applications on major cloud platforms including AWS, Azure ... Its activities rely on close collaboration between multidisciplinary engineering teams responsible for ... The role focuses on building robust services using C# and .NET, ensuring seamless integration with internal ... Minimum of 5 years of professional experience in software development, including at least 3 years focused on
Embedded Software Engineer Embedded Software Engineer
- Script & Dot
- Barcelona
- April 3
Senior C++ Systems / Embedded Engineer – High-Speed Data
Barcelona, Spain (Hybrid)
Work on software ... This is a hands‑on role at the intersection of systems programming, hardware integration, and high‑throughput
Freelance AI Evaluation Engineer (Python/Full-Stack)
- Mindrift
- Barcelona
- April 3
Compensation On this project, contributors can earn up to $30 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... test cases that push AI coding systems to their limits: Review and refine realistic coding tasks based on
Mechanical Engineer & Python Expert - Freelance AI Trainer
- Mindrift
- Barcelona
- April 3
Compensation
On this project, contributors can earn up to $31 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... this project, tasks are estimated to require around 10-20 hours per week during active phases, based on
Machine Learning Developer (Freelance)
- Mindrift
- Barcelona
- April 3
Compensation
On this project, contributors can earn up to $34 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... Ideally, contributors will have:
5+ years of hands‑on machine learning experience with proven business
Legal Counsel - Data protection & Adtech
- Titan OS
- Barcelona
- April 3
Provide expert legal advice on privacy, data protection, and digital law. ... technology, entertainment, and advertising company, is looking for a Legal Counsel with a strong focus on ... Overview: The role, based in Barcelona and part of the Legal & Compliance team, will be the go-to advisor on ... Hands‑on experience drafting and assessing DPAs, Data Privacy Addendums, and commercial agreements with
Senior DevOps Engineer
- Arbolus
- Barcelona
- April 1
Hands‑on experience with CI/CD tools (e.g., GitHub Actions, Jenkins, or GitLab CI/CD). ... private equity investors and consultants access real, actionable, and differentiated customer insight on ... to unique customer sentiment, and a true strategic advantage to run faster, more confident diligence on ... use Terraform, AWS, Cloudflare, and scripting, whereas the software development tech stack is built on ... .NET, PostgreSQL, and Python for Machine Learning, with a strong emphasis on cross-team collaboration
Implementation Manager
- AudioStack
- Barcelona
- April 1
This role is hands-on. ... Type: Full-time, On-site (Hybrid). Compensation: Competitive Salary + Bonus + ESOP. ... , on-budget delivery Customer Consulting & Solution Design Understand clients\' business processes ... Manage cross-functional internal teams (Sales, Product, Operations, Engineering) Drive projects to on-time ... Account Management, Onboarding, or IT/Tech Consulting Experience working with B2B or enterprise customers on
Senior Software Engineer in Test (Full-Stack/Python)
- Mindrift
- Barcelona
- April 1
Compensation On this project, contributors can earn up to $30 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... test cases that push AI coding systems to their limits: Review and refine realistic coding tasks based on
Civil Engineer & Python Expert - Freelance AI Trainer
- Mindrift
- Barcelona
- April 1
Compensation
On this project, contributors can earn up to $31 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... this project, tasks are estimated to require around 10-20 hours per week during active phases, based on
Senior Python Engineer - AI Testing Project (Freelance, Mindrift)
- Mindrift
- Barcelona
- April 1
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... contribute (20–30 hours per week) Task‑based compensation, equivalent to up to $30/hour* depending on ... innovative AI projects for leading tech companies Supportive global community Note: Rates vary based on
Chemistry & Python Expert - Freelance AI Trainer
- Mindrift
- Barcelona
- April 1
Compensation
On this project, contributors can earn up to $29 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... this project, tasks are estimated to require around 10-20 hours per week during active phases, based on
Mathematics & Python Expert - Freelance AI Trainer
- Mindrift
- Barcelona
- April 1
Compensation
On this project, contributors can earn up to $29 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... chains in areas like number theory, combinatorics, graph theory, and numerical analysis;
Base problems on
Physics Expert with Python - Freelance AI Trainer
- Mindrift
- Barcelona
- March 31
Compensation On this project, contributors can earn up to $29 per hour equivalent, depending on their ... Please note that other projects on the platform may offer different earning levels based on their requirements ... Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... Compensation varies across projects depending on scope, complexity, and required expertise. ... reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics; Base problems on
Freelance Mathematician with Python Experience - AI Trainer
- Mindrift
- Barcelona
- March 31
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... this project, tasks are estimated to require around 10-20 hours per week during active phases, based on ... Paid contributions, with rates up to $30/hour*
Fixed project rate or individual rates, depending on ... the project
Some projects include incentive payments
Note: Rates vary based on expertise, skills assessment
Senior Python Systems Developer - Functional Testing Project
- Mindrift
- Barcelona
- March 31
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... and how much to contribute (20-30 hours per week)
Each project has its own compensation level based on ... On this project, AI trainers earn up to $30 per hour equivalent
Opportunity to contribute to innovative
Freelance Statistics Expert with Python Expertise - AI Trainer
- Mindrift
- Barcelona
- March 31
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on ... this project, tasks are estimated to require around 10-20 hours per week during active phases, based on ... Payment Paid contributions, with rates up to $34/hour* Fixed project rate or individual rates, depending on ... the project Some projects include incentive payments Note: Rates vary based on expertise, skills assessment
AI Architect (Cloud & Generative AI)
- Abbott
- Barcelona
- March 30
Role Summary
We are hiring a hands‑on AI Architect to design and deliver cloud‑based Generative AI solutions ... Hands‑on GenAI/LLM experience delivering solutions beyond notebooks (OpenAI/Azure OpenAI, AWS Bedrock












































































