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Est. Monthly
Estimated €5,750 - €7,250
Posted August 6, 2026 · 2 days agoLast seen August 7, 2026Est. expiry September 10, 2026

Data Scientist

Senior Data Scientist
Barcelona, Spain
Onsite · Data & Analytics
Full-time · Senior
English
No People Management
Bachelor
3 years experience
How this salary compares
Salary Context: Data Scientist

Hover or tap a row for full statistics (EUR / month on this chart).

Salary analysis

Compared with the selected benchmark ("All roles in Barcelona, Spain"), this listing's salary midpoint is about 91% lower. The offer sits below the benchmark range (€3,900–€8,050). The listed pay band (€479–€604) is tighter than the benchmark, which suggests lower salary variability. This benchmark is based on 2 comparable listings.

Monthly salary comparison for Data Scientist
MarketLower bound (25th percentile)MedianUpper bound (75th percentile)
Market Average: Data Scientist€3,680/per month€6,108/per month€8,809/per month
All roles in Barcelona, Spain€3,900/per month€6,209/per month€8,050/per month
Pay in our data — not quoted in ad (Senior)€479/per month€542/per month€604/per month
About the role

About Workato Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. Why join us? Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company. But, we also believe in balancing productivity with self-care. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives. Responsibilities We are looking for an exceptional Middle / Senior Machine Learning Engineer / Data Scientist to join our growing AI team. In this role, you will design, build, deploy, and improve ML/LLM-powered services and features that power intelligent automation and AI-driven product experiences across the Workato platform. You will work closely with our Engineering, Product, and Design teams to define and track product metrics and evaluation strategies, design customer-facing experiments and dive deep to provide actionable insights. This role is ideal for someone who combines strong ML/LLM intuition, software engineering skills and a practical mindset for shipping reliable, scalable AI systems. In this role, you will also be responsible to: - Build and improve AI services using LLMs and custom machine learning models for production use cases. - Design, develop, and operate ML/LLM systems end-to-end, from prototyping to deployment and monitoring. - Write high-quality Python code that is testable, maintainable, and efficient. - Improve validation, observability, and performance monitoring for ML services (quality, latency, reliability, cost). - Partner cross-functionally with product managers, platform engineers, and other stakeholders to ship AI-powered product capabilities. - Evaluate and improve existing implementations by identifying bottlenecks, bugs, and opportunities for optimization. - Design controlled experiments to test the features for our AI-based products and perform deep analysis from the results to find actionable insights - Contribute to technical design and code reviews, helping raise engineering quality across the team. - Experiment and iterate on model behavior, prompting, retrieval, tool use, or orchestration strategies to improve user outcomes. Requirements Qualifications / Experience / Technical Skills - Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Statistics, or equivalent practical experience - 3+ years of experience in Machine Learning Engineering, Data Science, or a similar role. - Strong Python programming skills. - Hands-on experience with NLP and/or LLM-based systems. - Strong understanding of software engineering fundamentals (testing, code quality, debugging, version control). - Ability to work collaboratively in a fast-moving environment and drive projects with ownership. Nice to Haves - Experience with tool-use agents or workflow-aware AI systems. - Experience building AI products in enterprise SaaS environments. - Experience with A/B testing and statistical significance techniques. - Experience with LLMOps/MLOps tooling and practices (monitoring, evaluation pipelines, model rollout, CI/CD). - Experience working with modern data warehouses such as Amazon Redshift Snowflake.

Job Details

Responsibilities

  • Build and improve AI services using LLMs and custom machine learning models for production use cases
  • Design, develop, and operate ML/LLM systems end-to-end, from prototyping to deployment and monitoring
  • Write high-quality Python code that is testable, maintainable, and efficient
  • Improve validation, observability, and performance monitoring for ML services (quality, latency, reliability, cost)
  • Partner cross-functionally with product managers, platform engineers, and other stakeholders to ship AI-powered product capabilities
  • Evaluate and improve existing implementations by identifying bottlenecks, bugs, and opportunities for optimization
  • Design controlled experiments to test the features for our AI-based products and perform deep analysis from the results to find actionable insights
  • Contribute to technical design and code reviews, helping raise engineering quality across the team
  • Experiment and iterate on model behavior, prompting, retrieval, tool use, or orchestration strategies to improve user outcomes

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Statistics, or equivalent practical experience
  • 3+ years of experience in Machine Learning Engineering, Data Science, or a similar role
  • Strong Python programming skills
  • Hands-on experience with NLP and/or LLM-based systems
  • Strong understanding of software engineering fundamentals (testing, code quality, debugging, version control)
  • Ability to work collaboratively in a fast-moving environment and drive projects with ownership

Skills & Technologies

PythonNLPLLMMachine LearningSoftware EngineeringA/B testingLLMOpsMLOpsAmazon RedshiftSnowflake

Education Level

Bachelor
Seen 21 hours agoContent Complete
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