Job offers - CrawlJobs

Senior Engineer Spain, Barcelona Jobs

38 Job Offers

Senior Platform Software Engineer - Developer Platform
Save Icon
Senior Platform Software Engineer role in Barcelona to build and scale CI/CD systems, developer tooling, and AI-native workflows. Requires ~8 years of backend experience, strong Python skills, and hands-on Agentic AI expertise.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Angular Engineer
Save Icon
ANYbotics seeks a Senior Angular Engineer in Barcelona to build web interfaces for autonomous robot fleets. Requires Angular 2+ expertise, strong UI/UX skills, and testing experience. Not remote.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Data Engineer – MarTech
Save Icon
Senior Data Engineer role in Barcelona to own MarTech data pipelines end-to-end using Airflow, BigQuery and dbt. Requires advanced SQL, Python, data modelling and governance skills. Join Delivery Hero's global analytics team.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Product Engineer
Save Icon
Join HappyScribe in Barcelona as a Senior Product Engineer. Own engagement features across Rails, React, React Native and Electron. AI-first role for full-stack builders with 5+ years experience. Competitive salary and equity.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Fullstack Engineer
Save Icon
Senior Fullstack Engineer role at Enginy, a fast-growing Barcelona startup building an AI-native GTM platform. Requires 5+ years with TypeScript, Node.js and React, plus strong API and PostgreSQL skills. Own end-to-end features in a fast-moving, internationally scaling team.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Backend Engineer
Save Icon
Senior Backend Engineer role at Enginy, a fast-growing Barcelona startup building an AI-native GTM platform. Requires 5+ years backend experience with TypeScript, Node.js and PostgreSQL. Own core services, APIs and async workflows.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Cloud Data Platform Engineer
Save Icon
Scopely seeks a Senior Cloud Data Platform Engineer in Barcelona to build GCP and BigQuery infrastructure with Terraform and CI/CD. Requires Python, SQL, Airflow, and IAM expertise. Join a global gaming team!
Location Icon
Location
Spain, ES - Barcelona
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Quality Engineer - MONOPOLY GO!
Save Icon
Join Scopely as a Senior Quality Engineer on MONOPOLY GO! in Barcelona or Seville. Build C#/Python automation for Unity, Android and iOS, drive CI/CD testing and shape quality for a world-leading mobile game.
Location Icon
Location
Spain, ES - Barcelona
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior ML Platform Engineer (Agentic Platform)
Save Icon
Join Preply as a Senior ML Platform Engineer in Barcelona and build a durable agentic platform with secure tool layers, observability, and SDKs. Requires 5+ years of backend or ML infrastructure experience, strong Python skills, and hands-on GenAI expertise.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior ML Platform Engineer (GenAI Platform)
Save Icon
Join Preply as a Senior ML Platform Engineer in Barcelona to build a unified GenAI gateway with routing, caching, and observability. Requires 5+ years of backend/ML infra experience and strong Python skills.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Full Stack Engineer (BCN)
Save Icon
Lexroom seeks a Senior Full Stack Engineer in Barcelona to help build Europe's leading legal AI platform. Requires 5+ years' experience, daily AI coding tool use, and fluent English. Salary €50k-€80k plus equity and hybrid work.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior AI Engineer
Save Icon
Senior AI Engineer role in Barcelona building RAG-based and agent-driven legal AI systems. Requires strong Python, LLM fine-tuning, and large-scale search expertise. Hybrid work with health coverage, meal vouchers, and performance bonuses.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Engineer (BE)_MONOPOLY GO!
Save Icon
Scopely seeks a Senior BE Engineer in Barcelona to elevate the hit mobile game MONOPOLY GO! Design and optimize scalable C# backend systems, APIs, and services for live game operations. Hybrid role with strong growth opportunities.
Location Icon
Location
Spain, ES - Barcelona
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Antibot Engineer
Save Icon
Join NIQ's Digital Shelf in Barcelona as a Senior Antibot Engineer. Use reverse engineering, Python, and protocol expertise (TLS, HTTP/2) to bypass advanced anti-bot systems. Enjoy flexible work and LinkedIn Learning.
Location Icon
Location
Salary Icon
Salary
46100.00 - 70000.00 EUR / Year
Expiration Date
Until further notice
Senior AI/ML Engineer
Save Icon
Join EcoVadis as a Senior AI/ML Engineer in Barcelona and build scalable AI systems driving sustainability innovation. Requires Python, MLOps/LLMOps, Azure and Databricks expertise. Flexible hours and wellness benefits.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Knowledge Graph Engineer
Save Icon
Join EcoVadis as a Senior Knowledge Graph Engineer in Barcelona. Build GraphRAG pipelines and semantic data solutions using Neo4j, Python, and Azure. Enjoy flexible hours, wellness benefits, and remote work options.
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Knowledge Graph Engineer
Save Icon
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Software Engineer (Web Scraping, Data acquisition, Data collection)
Save Icon
Location Icon
Location
Spain, Madrid/Barcelona/Valladolid
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Frontend Engineer
Save Icon
Location Icon
Location
Spain, Barcelona (ES)
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Senior Backend Engineer (remote)
Save Icon
Location Icon
Location
Salary Icon
Salary
Not provided
Expiration Date
Until further notice
Previous 1 2 Next

About the Senior Engineer role

Senior Engineer jobs represent the pinnacle of technical expertise and leadership within the engineering field. These roles are designed for seasoned professionals who possess deep, specialized knowledge and are entrusted with guiding complex projects, making high-stakes architectural decisions, and mentoring the next generation of talent. Unlike entry or mid-level positions, senior engineers are expected to operate with significant autonomy, translating broad business objectives into robust, scalable, and innovative technical solutions. They serve as the critical bridge between strategic vision and practical execution, ensuring that engineering outcomes align with long-term organizational goals.

Professionals in these roles typically shoulder a comprehensive set of responsibilities that extend beyond pure coding. A core duty is systems architecture and design, where they define the technical blueprint for major initiatives, selecting appropriate technologies and frameworks to ensure performance, security, and maintainability. They are deeply involved in solving the most challenging and ambiguous problems, applying advanced analytical skills to diagnose issues and devise elegant solutions. Leadership is a fundamental aspect, encompassing code and design reviews, technical mentorship for junior team members, and fostering a culture of engineering excellence and continuous improvement. Furthermore, senior engineers often own the entire lifecycle of critical system components, from conception and development through deployment, monitoring, and iterative enhancement.

The typical skill set for senior engineer jobs is both broad and deep. Mastery in one or more programming languages and relevant technology stacks is a given. However, what truly distinguishes a senior engineer is their proficiency in architectural patterns, such as microservices or event-driven design, and a strong grasp of cross-cutting concerns like security, scalability, and observability. They are expected to have extensive experience with modern development practices, including DevOps principles, CI/CD pipelines, infrastructure as code, and automated testing strategies. Equally important are the soft skills: exceptional communication to articulate complex ideas to technical and non-technical stakeholders, strategic thinking to anticipate future challenges, and a collaborative mindset to work effectively across multidisciplinary teams. A proven track record of driving projects to successful completion and a mindset geared towards innovation and efficiency are common requirements.

Ultimately, senior engineer jobs are for those who are not just builders but visionaries and stewards of technology. They play a crucial role in shaping the technical direction of products and services, mitigating risk, and ensuring that engineering practices evolve to meet emerging demands. For organizations, hiring for these positions is an investment in stability, innovation, and sustained competitive advantage. For engineers, these roles offer the opportunity to have an outsized impact, lead transformative work, and define the future of technology within their domain.