Barcelona, Catalonia, Spain · Remote OK
Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving…
Skills: Python, FastAPI, JavaScript, TypeScript, React
Barcelona, Catalonia, Spain · Hybrid
Senior Data Engineer | Based in Barcelona Kantox runs on data. Every FX transaction we process, every client portfolio we manage, every decision our commercial and product teams make depends on data that is clean, reliab…
Skills: SQL, Dbt, Python, Data Modelling, Apache Iceberg
Barcelona, Catalonia, Spain · On-site
Reporting Lead, Revenue Operations Position Overview We are looking for a Reporting Lead for our Revenue Operations team who speaks fluent data but thinks like a commercial leader. You’ll sit at the center of our revenue…
Skills: Revenue Operations, Data Visualization, SQL, Python, Salesforce
Barcelona, Catalonia, Spain · Remote OK
Company Description Redzone is the #1 Connected Workforce Solution for manufacturers big and small. We work to improve efficiency in plants, provide coaching for best practices, and enable the front-line worker to improv…
Skills: Kubernetes, Amazon EKS, AWS, Terraform, Flux
Barcelona, Catalonia, Spain · Hybrid
Syntax is a leading Managed Cloud Provider for Mission Critical Enterprise Applications and has been providing comprehensive technology solutions to businesses of all sizes since 1972. Syntax has undisputed strength to i…
Skills: SAP S/4HANA, Master Data Management, SAP MM, SAP SD, Customer Vendor Integration
Barcelona, Catalonia, Spain · Hybrid
We are looking for a Senior Product Manager to join our AI Innovation Team in Barcelona, supporting Life Sciences & Healthcare (LS&H) products. This role sits within our central AI Innovation function, driving how AI cap…
Skills: Product Management, Generative AI, LLMs, Life Sciences Domain Expertise, AI Strategy
Barcelona, Catalonia, Spain · Remote Solely
Qué harás en tu día a día: Realizar encuestas sobre salud para recopilar datos útiles acerca del estado de salud y bienestar de los encuestados con el objetivo de comprender la salud en general, los factores que repercut…
Skills: Health Surveys, Data Collection, Medical History Evaluation, Transcription, Patient Support
Celje, Slovenia · Hybrid
Job Summary Are you ready to transform the IFF Taste OT landscape into a more reliable, cost-effective, connected and AI ready ecosystem? As Automation & Process Control lead you will own and drive the standardization, a…
Skills: PLC, DCS, SCADA, HMI, OT Infrastructure
Barcelona, Catalonia, Spain · On-site
Our team members are at the heart of everything we do. At Cencora, we are united in our responsibility to create healthier futures, and every person here is essential to us being able to deliver on that purpose. If you w…
Skills: Market Analysis, Category Management, Data Analysis, Microsoft Excel, Microsoft PowerPoint
Barcelona, Catalonia, Spain · Hybrid
Accenture Song es el lugar donde se diseñan experiencias que ayudan a mejorar la vida de las personas. Reimaginamos las industrias, productos y servicios. Si crees que nuestros clientes solo ganarán relevancia a través d…
Skills: Adobe Experience Platform, Adobe Journey Optimizer, RT-CDP, Node.js, React
Barcelona, Catalonia, Spain · Hybrid
ACCOUNT SPECIALIST DATA INTELIGENCIA ARTIFICIAL Y SERVICIOS GESTIONADOS Telefónica España ¿Quieres unirte a una empresa líder en la industria tecnológica? Sabemos que estás en búsqueda de un cambio… Y por eso, en Telefón…
Skills: Complex Sales, Data Governance, AI Governance, Cloud Architectures, B2B Sales
Barcelona, Catalonia, Spain · Hybrid
¡Hola! Soy Laura, recruiter de esta posición. Me encanta escribir y leer historias de terror, pero de lo que más disfruto es de una buena comida familiar con las personas que más quiero. Si te gusta la música de los sete…
Skills: Analytical Capacity, Financial Analysis, Basic Accounting, Attention To Detail, Organization
Barcelona, Catalonia, Spain · Hybrid
Location: Madrid, Spain Job ID: R0119178 Date Posted: 2026-06-17 Company Name: HITACHI ENERGY SPAIN, S.A.U. Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No Job Description: The opportu…
Skills: C# Development, SQL, Software Architecture, Code Review, Quality Assurance
Barcelona, Catalonia, Spain · On-site
Are you passionate about data? Does the prospect of dealing with massive volumes of data excite you? Do you want to create the next-generation tools for intuitive data access for transportation operations? We are looking…
Skills: SQL, Python, Data Visualization, Redshift, Oracle
Barcelona, Catalonia, Spain · On-site
Metyis is growing! We are looking for a Data Engineering & Analytics Associate with +3 years of experience to join our international Data and Analytics team, based in Barcelona. Who we are: Metyis is a global and forward…
Skills: SQL, Python, Scala, ETL/ELT Pipelines, Data Modelling
Barcelona, Catalonia, Spain · On-site
Metyis is growing! We are looking for a Data Engineering Sr Associate with +5 years of experience to join our international Data and Analytics team, based in Barcelona. Who we are: Metyis is a global and forward-thinking…
Skills: Azure Data Factory, Databricks, Synapse, Python, PySpark
Paris, Ile-de-France, France · Remote OK
$1k–$2k/yr
At Joko, we help consumers shop smarter. Our mission is to revolutionize shopping, empowering people to find what they need, make informed decisions, and save money. Founded in Paris, Joko is a tech company and certified…
Skills: CRM Marketing, Campaign Management, A/B Testing, Data Analysis, Copywriting
Barcelona, Catalonia, Spain · On-site
Metyis is growing! We are looking for a Data Engineering Analyst with +1 year of experience to join our international Data and Analytics team, based in Barcelona. Who we are: Metyis is a global and forward-thinking firm …
Skills: SQL, Python, Azure Data Factory, Databricks, Azure Data Lake Storage
Barcelona, Catalonia, Spain · Hybrid
Location: Barcelona - Spain (3 days working from the office and 2 days working from home) About the role: The Insights and Forecasting Director provides strategic leadership across insights, analytics, forecasting, and A…
Skills: Strategic Leadership, Forecasting, Data Analytics, AI Decision Support, Stakeholder Management
Barcelona, Catalonia, Spain · Hybrid
Director, Global Oncology Data Strategy Location: Barcelona - Spain (3 days working from the office and 2 days working from home) The Centre for Oncology Data Excellence [CODE] is a team within Global Medical Evidence Ge…
Skills: Oncology Data Strategy, Real World Evidence, Outcomes Research, Epidemiology, Data Landscape Assessment
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Create challenging tasks and evaluation criteria to test AI coding agents within simulated developer environments. Write and iterate on tests to verify agent solutions and ensure robust evaluation based on QA feedback.
Requires over 5 years of software development experience with a core stack including Python, JavaScript/TypeScript, and various infrastructure tools. Must have B2+ English proficiency and experience in functional and integration testing.
Please submit your CV in English and indicate your level of English proficiency.
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.
What this opportunity involves
We're building a dataset to evaluate AI coding agents - how well a model handles real-world developer tasks.
You'll create challenging tasks and evaluation criteria within realistic simulated environments:
What this is NOT
What we look for
Why this is hard
Frontier models are already good at coding. Creating a task that genuinely challenges the best models is non-trivial. You need to deeply understand where models fail and what scenarios reveal the difference between a good and a bad solution. Tasks have many valid solutions - writing tests that accept all correct solutions and reject incorrect ones is harder than it sounds.
How it works
Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid
Effort estimate
Tasks for this project are estimated to take 20 hours to complete, depending on complexity. This is an estimate and not a schedule requirement; you choose when and how to work. Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted.
Compensation
Up to $40/hr equivalent, depending on level and pace. Tasks are estimated at ~20 hours each; you set your own schedule.
Be the “I” in AI with Mindrift. Work from anywhere on groundbreaking AI projects
Mindrift (mindrift.ai) is the expert-sourcing platform built by Toloka, a Nebius Group (Nasdaq: NBIS) company and a global leader in data services for AI since 2014. Mindrift’s CEO and co-founder, Olga Megorskaya, launched the platform to connect domain experts — from software engineers and physicians to linguists and lawyers — with AI training projects for the world's leading technology companies. Through Mindrift, over 10,000 professionals across 50+ domains and 15+ languages contribute to supervised fine-tuning, reinforcement learning from human feedback (RLHF), model evaluation, and red-teaming for frontier AI models developed by leading global technology companies. Operated by Toloka from Amsterdam, Netherlands, Mindrift offers flexible, fully remote, project-based opportunities — empowering experts to shape the future of generative AI, one task at a time.
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