Valencia, Valencian Community, Spain · Remote Solely
Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project (https://tendem.ai/) and build native and cross-platform mobile applications within our hybrid AI…
Skills: React Native, Flutter, Swift, Kotlin, iOS Development
Valencia, Valencian Community, Spain · On-site
Descripción de la empresa En SGS nuestra misión es aportar valor a la sociedad, proporcionando un entorno sostenible. Con nuestro trabajo garantizamos la seguridad y calidad, aportando confianza a todos los ámbitos de la…
Skills: Supplier Quality Management, Root Cause Analysis, Process Engineering, Product Development, Continuous Improvement
Valencia, Valencian Community, Spain · Hybrid
Descripción de la empresa En SGS nuestra misión es aportar valor a la sociedad, proporcionando un entorno sostenible. Con nuestro trabajo garantizamos la seguridad y calidad, aportando confianza a todos los ámbitos de la…
Skills: Supplier Quality Management, Root Cause Analysis, Process Engineering, Continuous Improvement, Product Development
Valencia, Valencian Community, Spain · On-site
¡Únete a nuestro equipo! En Estel Ingeniería y Obra, empresa referente en instalaciones integrales de alto nivel para hoteles, villas y proyectos residenciales, buscamos un/a Técnico/a de Presupuestos con experiencia en …
Skills: Budget Preparation, HVAC, Plumbing, Sanitation, Renewable Energy
Valencia, Valencian Community, Spain · On-site
Hill International is looking for a Civil Project Engineer to support the delivery of major infrastructure projects in Valencia, Spain. We are seeking a proactive engineer with strong technical judgement, good coordinati…
Skills: Civil Engineering, Project Delivery, Technical Judgement, Coordination, Communication
Valencia, Valencian Community, Spain · On-site
¿Te apasiona la venta B2B y buscas una oportunidad para desarrollarte en un sector clave? ¿Quieres construir tu carrera en un entorno comercial, gestionando relaciones con clientes y aportando valor real en el sector ind…
Skills: B2B Sales, Business Development, Customer Relationship Management, Negotiation, Market Analysis
Valencia, Valencian Community, Spain · Remote Solely
Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform integrations with…
Skills: WhatsApp Business API, Telegram Bot API, Discord API, Python, Node.js
Valencia, Valencian Community, Spain · Hybrid
About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build h…
Skills: Application Security, Vulnerability Management, Vulnerability Assessment, OWASP Top 10, SDLC
Valencia, Valencian Community, Spain · Hybrid
About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build h…
Skills: ServiceNow CMDB, CSDM, ITOM, Service Mapping, Discovery
Valencia, Valencian Community, Spain · Hybrid
About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build h…
Skills: ServiceNow CMDB, CSDM, ITOM, Service Mapping, Discovery
Valencia, Valencian Community, Spain · Hybrid
About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build h…
Skills: ServiceNow ITOM, CMDB, Discovery, Service Mapping, Event Management
Valencia, Valencian Community, Spain · Hybrid
About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build h…
Skills: ServiceNow ITOM, CMDB, Discovery, Service Mapping, Event Management
Valencia, Valencian Community, Spain · On-site
Somos una compañía global, líder en el desarrollo de infraestructuras regenerativas que generan un impacto positivo en la sociedad. Nuestra plantilla, formada por más de 65.000 profesionales y presente en más de 40 paíse…
Skills: Electromechanical Systems, Preventive Maintenance, Hydraulic Systems, Electrical Systems, Mechanical Systems
Valencia, Valencian Community, Spain · On-site
At Intrum, you will grow by making a difference. You will do it in a highly international environment and in a supportive culture where effort counts. Misión y objetivo Dentro del área de Real Estate, la persona seleccio…
Skills: Project Management, Cost Control, Budgeting, Tendering, Urban Planning Regulations
Valencia, Valencian Community, Spain · Hybrid
Nos encontramos en la búsqueda de un/a Senior Software Developer especializado en Backend Node.js / TypeScript para incorporarse como pieza técnica clave a un proyecto de alto impacto orientado al procesamiento de grande…
Skills: Node.js, TypeScript, Node-RED, PostgreSQL, Elasticsearch
Valencia, Valencian Community, Spain · Hybrid
Nos encontramos en la búsqueda de un/a Senior Software Developer especializado en Backend Node.js / TypeScript para incorporarse como pieza técnica clave a un proyecto de alto impacto orientado al procesamiento de grande…
Skills: Node.js, TypeScript, Node-RED, PostgreSQL, Elasticsearch
Valencia, Valencian Community, Spain · Hybrid
$55k–$58k/yr
Company Description Are you ready to trade your job for a journey? Become a FlyMate! Passion, excitement & global collaboration are all core to what it means to be a FlyMate. At Flywire, we’re on a mission to deliver the…
Skills: Terraform, GitLab CI, Dbt, Python, Java
Valencia, Valencian Community, Spain · Hybrid
En 011h estamos revolucionando el sector de la construcción para hacerlo más sostenible, eficiente y digital. Diseñamos y construimos edificios con una visión industrializada, utilizando tecnologías innovadoras y materia…
Skills: Construction Management, Project Planning, Cost Control, Supplier Negotiation, Logistics
Valencia, Valencian Community, Spain · Remote OK
Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – th…
Skills: Python, Web Scraping, BeautifulSoup, Selenium, Data Extraction
Valencia, Valencian Community, Spain · Remote OK
Are you looking for your next big challenge? We are proactively building a "Strategic talent pool" for several high-priority projects set to launch in the coming months. Please Note: This is a proactive pipeline hiring i…
Skills: Node.js, React.js, TypeScript, NestJS, PostgreSQL
Valencia, Valencian Community, Spain • Remote Solely
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Design, build, and refine native and cross-platform mobile applications across various categories. Collaborate with AI agents to evaluate, refactor, and optimize AI-generated code for production readiness.
Requires at least 3 years of mobile development experience and a portfolio of shipped apps. Proficiency in React Native, Flutter, Swift, or Kotlin and upper-intermediate English are essential.
Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project (https://tendem.ai/) and build native and cross-platform mobile applications within our hybrid AI + human environment. In this role, as an AI Pilot – that's how we refer to this position at Mindrift – you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide mobile engineering expertise, platform-specific judgment, and quality control to ensure apps are stable, performant, and ready for real users on real devices. This part-time remote opportunity is ideal for professionals with hands-on experience shipping iOS and/or Android apps, working with platform APIs, and handling the full mobile development lifecycle.
What We Do
The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.
About the Role
This is a freelance role for a Tendem project. As a Mobile App Developer, you'll design, build, and refine mobile applications across categories such as utilities, fitness/wellness, games, productivity, delivery, and content apps — for iOS, Android, or both, using native or cross-platform frameworks.
Key Responsibilities
Requirements and benefits
Project time expectations
For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.
Compensation
On this project, contributors can earn up to $50 per hour equivalent, depending on their level and pace of contribution.
Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.
Why this freelance opportunity might be a great fit for you?
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.
There are currently 129 open engineering positions in Valencia, Spain listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include AgileEngine, PowerCo, Flywire, Gramian Consulting, Mindrift, among others. Browse the listings above to see every active employer.
Yes — 74 of the 129 open engineering positions offer remote or hybrid work (43 remote, 31 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
