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Optimizely freelancers

    - The largest community of freelance talent online
    - Simplified management for all of your freelance projects
    - Support and services adapted to your needs

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227 “Optimizely" freelancers available

Alejandro Alonzo - Blockchain developer | Web3 | Full stack
Alejandro Alonzo

Blockchain developer | Web3 | Full stack

€200/day

Barcelona
  • Typescript
  • Solidity
  • Next.js
  • MongoDB
  • Angular
  • software architect
  • Testing and Quality Assurance
  • Front End Interface Development
  • Design Patterns
Luis Garcia - Digital Product & Delivery Leader
Luis Garcia

Digital Product & Delivery Leader

€600/day

Barcelona
  • Tech ↔ Business Translator
  • Systems thinker
  • Structured decision making
  • Ownership mindset
  • Teach team leadership
  • Agile Ceremonies Facilitation
  • Agile Project Management
  • Agile Team Coaching
  • Change and Transformation Management
  • Backlog Refinement
  • Delivery Management
  • Feature Definition
  • Prioritization (RICE, MosCow...)
  • Product Launch Strategy
  • User Stories and Technical Specifications
  • Roadmapping
  • Wireframing and Prototyping
  • Business Plan Development
  • Business Unit Strategy
  • Benchmark
  • User Testing
  • User Interviews
  • User Feedback Analysis
  • Product management
  • Scrum
  • product owner
  • Project Management
  • Atlassian JIRA
  • Agile method
  • User Research
  • Design Thinking
  • Kanban
  • E-commerce
  • Atlassian Confluence
  • Lean startup
  • Team management
  • Business analysis
  • User Experience Design
  • A/B Testing
  • KPIs and Metric Definition and Monitoring
  • User Segmentation
  • CMS Customization
  • Backend Service Development
  • SEO Optimization
  • Performance Optimization
  • Software Architecture
  • Testing and Quality Assurance
Adrián B - Ingeniero Informático | Desarrollador Full Stack
Adrián B

Ingeniero Informático | Desarrollador Full Stack

€134/day

Barcelona
2
  • React.js
  • Node.js
  • Python
  • Typescript
  • Project Management
  • Desarrollo web
  • SQL
  • Administración de bases de datos
  • User Testing
  • MySQL
  • JavaScript
  • HTML5
  • CSS3
  • CSS
  • SASS
  • Next.js
  • Arquitectura IT
  • Docker
  • Backend Service Development
  • Design Patterns
  • External API integration
  • Front End Interface Development
  • Performance Optimization
  • Software Architecture
  • Testing and Quality Assurance
  • CI/CD Management
  • Infra as Code
  • Algorithms and Data Structures
  • IT Architecture
  • IT Project Management
  • IT Service Management
  • IT Strategy
  • System Integration
  • Embedded software
Asa Eriksson - Senior Frontend Developer - React/Next.js (UI/UX)
Asa Eriksson

Senior Frontend Developer - React/Next.js (UI/UX)

€180/day

Barcelona
1
  • Front-End development
  • Next.js
  • React.js
  • Typescript
  • User Experience Design
  • Agile Project Management
  • SEO Optimization
  • Performance Optimization
  • Front End Interface Development
  • CMS Customization
  • External API integration
  • Testing and Quality Assurance
  • IT Project Management
  • Responsive design
  • Figma
  • UI Web Design
Andrei Pavialchuk - Senior Software Engineer/Architect
Andrei Pavialchuk

Senior Software Engineer/Architect

€350/day

Valencia
  • Python
  • SQL
  • noSQL
  • IT Architecture
  • Tech Lead
  • Backend Service Development
  • External API integration
  • CI/CD Management
  • Cloud Integration
  • Microservices Architecture
  • Algorithms and Data Structures
  • Cloud Platforms and Infrastructure
  • Batch Processing
  • Data Cleaning and Preprocessing
  • Database Management (e.g., SQL, NoSQL)
  • Data integration (ETL, ELT and data warehousing)
  • Web scraping
  • IT Architecture
  • Design Patterns
  • Performance Optimization
  • Software Architecture
  • Containerization and Virtualization
  • Infra as Code
Juan De Paul - Fractional COO | Automatización IA · n8n · Odoo
Juan De Paul

Fractional COO | Automatización IA · n8n · Odoo

€600/day

Barcelona
  • odoo
  • n8n
  • automation
  • Project Management
  • Inteligencia Artificial
  • IT Project Management
  • System Integration
  • Agile Project Management
  • Agile Team Coaching
  • Change and Transformation Management
  • Digital Transformation
  • Ideation
  • Workshops Facilitation
  • External API integration
  • Performance Optimization
Lautaro Galarza - Senior Full Stack Engineer | AI Systems
Lautaro Galarza

Senior Full Stack Engineer | AI Systems

€450/day

Benalmádena
  • Software Architecture
  • API Design
  • Web Performance
  • Web development
  • LLM Integration
  • Backend Service Development
  • Front End Interface Development
  • External API integration
  • Performance Optimization
  • CI/CD Management
  • Cloud Integration
  • Serverless Computing
  • Algorithms and Data Structures
  • Database Management (e.g., SQL, NoSQL)
  • Batch Processing
  • Data Migration and Backup
  • Software Architecture
Alfonso Malpica - Consultor PLSQL / .NET
Alfonso Malpica

Consultor PLSQL / .NET

€300/day

Madrid
  • Oracle PL/SQL
  • .NET
  • Java
  • IA
  • Github Copilot
  • Agile Project Management
  • Digital Transformation
  • Change and Transformation Management
  • Backend Service Development
  • External API integration
  • Performance Optimization
  • Testing and Quality Assurance
  • Test Environment Management
  • Database Management (e.g., SQL, NoSQL)
  • Algorithms and Data Structures
  • Data integration (ETL, ELT and data warehousing)
  • ETL (Extract, Transform, Load) Processes
Mario C. - Google Ads | Lead Generation | €36M Bajo Gestión
Mario C.

Google Ads | Lead Generation | €36M Bajo Gestión

€240/day

Barcelona
1
  • Google Ads
  • Google Analytics
  • Google Tag Manager
  • Lead generation
  • User Acquisition
  • Marketing Automation
  • Looker Studio
  • HTML5/CSS3
  • SQL Server
  • Make
  • Zapier
  • Landing page
  • Full funnel Marketing
  • E-commerce
  • Conversion Rate Optimization
  • Google Sheets
  • B2B Marketing
  • Web development
  • Tableau software
  • Meta Ads
  • TikTok Ads
  • Metabase
  • Google AdWords
  • Facebook Marketing
  • SEM
  • Instagram Marketing
  • SEO
  • Traffic Management
Pablo Sandoval - International & Media
Pablo Sandoval

International & Media

€330/day

Madrid
  • Periodismo
  • Internacionalización
  • Estrategia de comunicación
  • Medios de comunicación
  • Conversion Rate Optimization
  • KPIs
  • ROI Optimization
  • Campañas publicitarias
  • Planificación de medios
  • Publicidad y relaciones públicas
  • Notas de prensa
  • Publicidad en las redes sociales
  • Influencer Marketing
  • International Business
Hector Poveda Valdivia - Consultor SAP PP/QM and EHS
Hector Poveda Valdivia

Consultor SAP PP/QM and EHS

€400/day

Zaragoza
  • SAP PP
  • SAP QM
  • SAP PI
  • SAP ABAP
  • SAP EHS
  • Consultoría
  • SAP S4/HANA
  • Microsoft Excel
  • Big Data
  • Project Management
  • Supply chain
  • ERP
  • Business analysis
Volodymyr P. - Full-Stack Engineer | Python
Volodymyr P.

Full-Stack Engineer | Python

€300/day

Cullera
  • Python
  • FastAPI
  • Langchain
  • artificial intelligence
  • External API integration
  • JavaScript
  • MySQL
  • PostgreSQL
  • Wordpress plugin
  • Wordpress
  • IT-Security
  • API
  • REST
  • CI/CD Management
  • Scripting Automation
  • Backend Service Development
  • CMS Customization
  • Cross Device compatibility
  • Performance Optimization
  • Penetration Testing
  • Data Migration and Backup
  • Web scraping
  • Database Management (e.g., SQL, NoSQL)
  • Algorithms and Data Structures
  • Batch Processing
  • IT Project Management
  • External API integration
Marc Pastor Pou - Biostatistician | R Expert
Marc Pastor Pou

Biostatistician | R Expert

€280/day

Madrid
  • R
  • Python
  • SQL
  • Machine learning
  • Predictive Modeling
  • Regression Analysis
  • Multivariate Analysis
  • Generalized Linear Models
  • clinical research
  • Model Training and Evaluation
  • Machine Learning Theory
  • Model Optimization
  • Data Visualization
  • Exploratory Data Analysis
  • Time Series Analysis and Forecasting
  • AI and Advanced Analytics
  • VBA
  • Tableau software
  • Business intelligence
  • Microsoft Excel
  • Microsoft Power BI
  • Generative AI
  • Biostatistics
Marco Andres Moncada Samboni - Soluciones digitales a medida
Marco Andres Moncada Samboni

Soluciones digitales a medida

€350/day

Madrid
  • Java
  • Arquitectura IT
  • Python
  • Angular
  • PostgreSQL
  • Backend Service Development
  • External API integration
  • Design Patterns
  • Front End Interface Development
  • Software Architecture
  • Testing and Quality Assurance
  • SEO Optimization
  • Performance Optimization
  • Database Management (e.g., SQL, NoSQL)
  • Algorithms and Data Structures
  • Digital Transformation
  • System Integration
  • IT Project Management
Alvaro Megias - Consultoria y Gestion de Proyectos MK Digital
Alvaro Megias

Consultoria y Gestion de Proyectos MK Digital

€100/day

Madrid
  • Inglés
  • Facebook Marketing
  • Instagram Marketing
  • Email marketing
  • Marketing
  • Marketing de contenidos
  • LinkedIn Marketing
  • Transformación digital
  • Google Analytics
  • Google AdWords
  • Google Search Console
  • Microsoft Excel
  • Microsoft Powerpoint
  • Atlassian JIRA
  • Tableau software
  • Trello
  • Dirección de proyecto
  • Gestión de equipos
  • Growth hacking
  • Optimizely
  • Online Marketing
  • PPC
  • Content Strategy
  • Search Engine Optimization (SEO)
  • Affiliate Marketing
  • Social Media Marketing
  • Programmatic Media Buying
  • Social Media
  • SEO
  • Pay Per Click (PPC)
  • Online Advertising
  • Microsoft Office
  • Marketing Strategy
  • Marketing online
  • Direct Marketing
  • Digital Marketing
  • Advertising
  • Ad Serving
  • Account Management
  • Real-Time Bidding (RTB)
  • Customer Acquisition
  • Management
  • Paid Search Strategy
  • Google Ads
  • Web Analytics
  • E-commerce
  • Optimización de procesos
  • Marketing digital
  • Business Development
  • Desarrollo de producto
  • Gestión de cuentas
  • Publicidad de display
  • Youtube Ads
  • React Native
  • Google Tag Manager
  • Google AdSense
  • Publicidad en Internet
  • Publicidad Online
  • Automatización de procesos
  • Project Management
  • Facebook Ads
  • Webmarketing
  • Google Data Studio
Pablo Noval - Operations & Program Leader · AI · PMO
Pablo Noval

Operations & Program Leader · AI · PMO

€400/day

Madrid
  • Project Management
  • Operations Management
  • AI Automation
  • PMO
  • Business Case Development
  • Program Management
  • P&L management
  • Process Optimization
  • Stakeholder Management
  • Agile method
  • Scrum
  • Risk Management
  • REST API Integration
  • Python
  • Google cloud
  • Microsoft Power BI
  • SAP
  • Digital Transformation
  • Logistics
  • Change Management
  • Consultoría
  • Planificación estratégica
  • Análisis de negocios
  • Gestión de equipos
  • Desarrollo de negocios
  • Dirección de proyecto
  • Negociación
  • Gestión de proyectos
  • Agile Project Management
  • AI and Advanced Analytics
  • Business Intelligence (BI) Strategy
  • Business Plan Development
  • Business Unit Strategy
  • Controlling and Performance Management Systems
  • Corporate Finance
  • Corporate Strategy
  • Customer Relationship Management (CRM)
  • Delivery Management
  • Digital Transformation
  • Due Diligence
  • Embedded software
  • ERP Integration with External Systems
  • Growth Strategy
  • Leadership Development
  • Lean Management
  • Lean Service Operations
  • Manufacturing
  • Market-Sizing and Growth Trend Analysis
  • Portfolio Strategy
  • Process Management
  • Project Management (PMO)
  • Risk Management
  • Supply-Chain Management
  • Target Operating Model
  • Consultoría
  • Planificación estratégica
  • Análisis de negocios
  • Gestión de equipos
  • Desarrollo de negocios
  • Dirección de proyecto
  • Negociación
  • Gestión de proyectos
Samuel S. - Data & AI Technical Lead | AWS / GCP / Databricks
Samuel S.

Data & AI Technical Lead | AWS / GCP / Databricks

€500/day

Málaga
  • AWS
  • Google cloud
  • Databricks
  • Snowflake
  • MLOps
  • Algorithms and Data Structures
  • Data Cleaning and Preprocessing
  • A/B Testing
  • Business Intelligence (BI) Strategy
  • Data Visualization
  • Exploratory Data Analysis
  • KPIs and Metric Definition and Monitoring
  • Time Series Analysis and Forecasting
  • User Segmentation
  • Backlog Refinement
  • Feature Definition
  • User Stories and Technical Specifications
  • Feature Engineering
  • Machine Learning Theory
  • Model Optimization
  • Model Training and Evaluation
  • Predictive Modeling
  • Prompt Engineering
  • Real-time Processing
  • Recommender Systems
  • Data Governance
  • Tech Lead
Julen Rodriguez Plagaro - 🥇 Software Developer
Julen Rodriguez Plagaro

🥇 Software Developer

€250/day

Madrid
1
  • JavaScript
  • SQL
  • Swift
  • Python
  • Node.js
  • Backend Service Development
  • External API integration
  • Software Architecture
  • Mobile App Deployment
  • Cloud Administration
  • Cloud Integration
  • Scripting Automation
  • Test Environment Management
  • CMS Customization
  • Content Integration
  • Design Patterns
  • Cross Device compatibility
  • Front End Interface Development
  • Testing and Quality Assurance
  • Performance Optimization
  • Algorithms and Data Structures
  • Batch Processing
  • Database Management (e.g., SQL, NoSQL)
  • Cloud Platforms and Infrastructure
  • Data Cleaning and Preprocessing
  • Data Migration and Backup
  • Data Pipelines and Warehousing
  • Web scraping
  • Data Privacy (GDPR, CCPA)
  • Penetration Testing
  • Embedded software
  • IT Architecture
  • IT Strategy
  • System Integration
  • IT Service Management
  • ERP System Customization
  • ERP Integration with External Systems
  • IT Project Management
  • IT Vendor Management and Procurement
  • Agile Project Management
  • Agile Team Coaching
  • Ideation
  • Digital Transformation
  • Change and Transformation Management
  • PHP
  • Java
  • Cloud computing
  • C
Nahuel Schmidt - Tu idea, mi código. Soluciones a medida
Nahuel Schmidt

Tu idea, mi código. Soluciones a medida

€150/day

Madrid
  • React.js
  • TailwindCSS
  • Typescript
  • Desarrollo Front-End
  • PHP
  • Backend Service Development
  • Content Integration
  • External API integration
  • SEO Optimization
  • Software Architecture
  • Testing and Quality Assurance
  • Front End Interface Development
  • Performance Optimization
  • Algorithms and Data Structures
  • Database Management (e.g., SQL, NoSQL)
  • Agile Project Management
  • ERP System Customization
  • ERP Integration with External Systems
  • CI/CD Management
  • Cloud Integration
  • Cloud Administration
  • Containerization and Virtualization
  • Design Patterns
  • Mobile App Deployment
  • SASS
  • Planificación de recursos empresariales (ERP)
  • Odoo
  • JavaScript
  • Trabajo en equipo
Valérian V. - Full-Stack Developer | AI & Security Consultant
Valérian V.

Full-Stack Developer | AI & Security Consultant

€500/day

Barcelona
  • C
  • PHP
  • Python
  • JavaScript
  • SQL
  • Front End Interface Development
  • Backend Service Development
  • External API integration
  • Performance Optimization
  • Software Architecture
  • Risk and Vulnerability Assessment
  • Database Management (e.g., SQL, NoSQL)
  • Web scraping
  • Digital Transformation
  • System Integration
Raúl Molded - Data Engineer
Raúl Molded

Data Engineer

€100/day

Madrid
  • Python
  • SQL
  • Data Engineer
  • Docker
  • ETL
  • Microsoft Azure
  • PostgreSQL
  • Hadoop
  • Amazon Web Services
  • Git
  • Big Data
  • Java
  • Apache Spark
  • Containerization and Virtualization
  • Infra as Code
  • Cloud Platforms and Infrastructure
  • Web scraping
  • ETL (Extract, Transform, Load) Processes
  • Data integration (ETL, ELT and data warehousing)
  • Database Management (e.g., SQL, NoSQL)
  • Rust
  • Kubernetes
  • SQL Server
  • Apache Kafka
  • Machine learning
  • Sensors
  • MongoDB
  • Realm
  • Deep Learning
  • Model Optimization
  • Batch Processing
Hans Arancibia - Data Architect
Hans Arancibia

Data Architect

€400/day

Madrid
  • Administración de bases de datos
  • Oracle
  • SQL Server
  • MySQL
  • SQL
  • Programador SQL
  • Oracle Database
  • Sybase
  • PostgreSQL
  • DBA
  • Performance Optimization
  • Software Architecture
  • Batch Processing
  • Database Management (e.g., SQL, NoSQL)
  • Data Cleaning and Preprocessing
  • Data Integrity and Governance
  • Data Pipelines and Warehousing
  • ETL (Extract, Transform, Load) Processes
  • Data Migration and Backup
  • IT Architecture
  • IT Project Management
  • IT Vendor Management and Procurement
  • Embedded software
  • ERP System Customization
  • IT Service Management
  • IT Strategy
  • ERP Integration with External Systems
  • System Integration
  • Ciencia de datos
  • SybaseASE Specialist
  • IT support
  • Database administration
  • Project Management
  • Java EE
  • Transact-SQL
  • Databases
  • Linux Server
  • Análisis de datos
  • Arquitectura de información
  • Python
  • Microsoft Power BI
  • Pandas
  • Scipy
  • A/B Testing
  • Data Analysis
  • Estadística
  • ETL
  • Apache Nifi
  • Salesforce
  • CSV
  • JSON
  • API
  • REST
  • AWS S3
  • Business intelligence
  • Tableau software
  • AWS Boto3
  • Java
  • Spring boot
  • Apache Kafka
  • Confluent Kafka
  • Hibernate
  • JPA
  • Oracle PL/SQL
  • Microservices
  • Hexagonal Architecture
  • Domain Driven Design
  • DuckDB
  • Arquitectura IT
  • Oracle ERP Cloud
  • Oracle E-Business Suite
  • PL/SQL
  • Oracle Data Integrator
  • AWS EC2
  • Cloud AWS
  • Terraform
  • Terradata
  • CI/CD
  • Integración continua
  • AWS EKS
  • Docker
  • Kubernates
  • Microsoft SQL Server
  • Gestión de proyectos
  • gerencia de proyectos
  • Sybase ASE
  • MySQL 8
  • PMI-PMP
  • Optimización de procesos
  • Automatización de procesos
  • Implementación
  • Supervisión
  • Data Engineer
  • Data visualisation
  • Data mining
Adam Banky - Full-stack with 20+ experience
Adam Banky

Full-stack with 20+ experience

€278/day

Alicante
  • Node.js
  • API
  • PHP
  • Test driven development
  • Backend Service Development
  • Design Patterns
  • External API integration
  • Performance Optimization
  • Software Architecture
  • Testing and Quality Assurance
  • CI/CD Management
  • DevSecOps
  • Microservices Architecture
  • Data Privacy (GDPR, CCPA)
  • Database Management (e.g., SQL, NoSQL)
  • Cloud Platforms and Infrastructure
  • Batch Processing
  • ETL (Extract, Transform, Load) Processes
  • Agile Project Management
  • Ideation
  • IT Architecture
  • IT Project Management
  • IT Strategy
  • Technical project management
  • Change Management
  • React.js
  • Team management
  • Google cloud
  • SQL
  • Content Integration
  • Front End Interface Development
  • Cloud Integration
  • Test Environment Management
  • Data Cleaning and Preprocessing
  • Data integration (ETL, ELT and data warehousing)
  • Data Pipelines and Warehousing
  • Agile Ceremonies Facilitation
  • Agile Team Coaching
  • Change and Transformation Management
  • Digital Transformation
  • Workshops Facilitation
  • JavaScript
  • MySQL
  • PostgreSQL
  • Typescript
  • MongoDB
  • Wordpress
  • Google Analytics
  • BigQuery
  • Google Search Console
Ioanna S. - Global Operations & Compliance Specialist
Ioanna S.

Global Operations & Compliance Specialist

€150/day

Barcelona
  • Compliance
  • Project Management
  • Data analysis
  • Audit
  • Procurement
  • Regulatory Strategy
  • Project Management (PMO)
  • Change and Transformation Management
  • Customer Relationship Management (CRM)
  • Pricing
  • Accounting
  • Compliance
  • Corporate Finance
  • Treasury Management
  • Risk Management
  • Internal Audits
  • Controlling and Performance Management Systems
  • Due Diligence
  • Digital Transformation
  • Agile Project Management
  • Vendor Management
  • Atlassian JIRA
  • Netsuite
  • Trello
  • Sage
  • Microsoft Excel
  • Microsoft Power BI
Karen Blanco Gomez - AI Engineer/Automation/Multimodal Agents
Karen Blanco Gomez

AI Engineer/Automation/Multimodal Agents

€470/day

Barcelona
  • Python
  • AI Automation
  • artificial intelligence
  • LLM
  • Back-End development
  • n8n
  • AI Agents
  • RAG
  • Prompt engineering
  • FastAPI
  • generative AI
  • Machine learning
  • agentic
  • orchestration workflows
  • LangGraph
  • LangChain
  • API
  • API REST
  • Git
  • GitHub
  • NLP
Hector C. - ODOO | Automatizacion IA | N8N
Hector C.

ODOO | Automatizacion IA | N8N

€355/day

Valencia
3
  • n8n
  • Odoo
  • IA
  • Workflow automation
  • Open AI
  • MySQL
  • Python
  • CSS
  • PSQL
  • JavaScript
  • HTML5
  • Bootstrap 4
  • Bootstrap 3
  • Automatización de procesos
  • HTML
  • XML
  • jQuery
  • Backup
  • SQL
  • Claude Code
  • Chat GPT
  • Content Integration
  • External API integration
  • Performance Optimization
  • Backend Service Development
  • Embedded software
  • ERP Integration with External Systems
Zeinab Kml - Photographer and videographer
Zeinab Kml

Photographer and videographer

€184/day

Barcelona
  • Adobe Lightroom
  • Canva
  • Adobe Photoshop
  • capcut
  • Adobe Illustrator
  • Spanish
  • Photography
  • Photo retouching
  • Instagram
  • Video editing
  • Social media
  • Portrait
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