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0Machine Learning Engineer II
27 nov.Amazon
Madrid, ES
Machine Learning Engineer II
Amazon · Madrid, ES
C# Java Agile C++ Cloud Coumputing Spark Machine Learning
Every day, millions of organizations - from businesses to public institutions - rely on Amazon Business for the procurement of the products they need to fulfil their mission.
The Amazon Business Search team sits at the heart of that experience. We´re redefining how over eight million B2B customers search, navigate, and discover products through conversational search, autocomplete, and intelligent navigation systems.
As a Machine Learning Engineer on our engineering team, you will design and build the next generation of Search and Discovery infrastructure that powers Amazon´s B2B marketplace. You´ll work at the intersection of large-scale distributed systems and GenAI, partnering closely with Applied Scientists to bring LLMs and agentic models into production.
This is a unique opportunity to push the boundaries of search technology, improve relevance for millions of customers worldwide, and help shape the future of B2B commerce.
Key job responsibilities
- Design, develop, and deploy ML-powered search components that improve result relevance, query understanding, and autocomplete quality - with a focus on scalability, inference performance optimization, and efficient use of compute resources.
- Own the full software development lifecycle, including design, implementation, testing, experimentation, and maintenance, ensuring high reliability and measurable customer impact.
- Build and optimize data and model-serving pipelines to support high-throughput, low-latency applications across distributed systems.
- Collaborate across Product, Software, and Science teams to deliver complex projects at scale, while mentoring and guiding peers on latest ML and AI technologies and best practices.
About the team
We are a two-pizza team of software engineers based in Madrid, building the next generation of Amazon Business Search. Our team is international and inclusive, bringing together diverse perspectives to solve complex technical challenges.
We value fast learners, problem solvers, and innovators who take ownership from concept to delivery. We work backwards from the customer, combining strong business awareness with deep technical expertise. Our culture is agile and experimentation-driven - we move quickly, measure impact, and continuously improve to deliver world-class search experiences for millions of B2B customers.
BASIC QUALIFICATIONS
- Bachelor´s degree in computer science or equivalent
- Experience in professional, non-internship software development
- Experience in machine learning, data mining, information retrieval, statistics or natural language processing
- Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design
- Experience with Machine and Deep Learning toolkits such as MXNet, TensorFlow, Caffe and PyTorch
- Knowledge of cloud computing services or deployment architecture
- Experience building, deploying, and maintaining large-scale machine learning infrastructure using distributed data processing frameworks such as Spark or Ray
PREFERRED QUALIFICATIONS
- Master´s degree in computer science or equivalent
- Expertise in large-model inference optimization, including techniques such as quantization, pruning, and distillation
- Experience with LLM inference frameworks (e.g., vLLM, DeepSpeed, Hugging Face Transformers)
- Demonstrated experience designing semantic search or RAG pipelines, integrating embeddings, vector stores, and generative models
- Proficiency in online and offline experimentation, evaluation frameworks, and metrics instrumentation for ML systems
- Strong collaboration and communication skills, with the ability to bridge science and engineering to deliver end-to-end ML solutions
Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon.
Ingeniero DevOps Blockchain
27 nov.MigaLabs
Barcelona, ES
Ingeniero DevOps Blockchain
MigaLabs · Barcelona, ES
Python Linux Docker Cloud Coumputing Kubernetes Ansible AWS Bash DevOps PostgreSQL Terraform
# MigaLabs
MigaLabs es un laboratorio de investigación especializado en análisis de blockchain, centrado en Ethereum. Desarrollamos infraestructura, herramientas y datasets que ayudan a comprender el rendimiento, la descentralización y el estado de la red. Colaboramos con equipos líderes del ecosistema y operamos sistemas distribuidos que procesan datos en tiempo real a gran escala.
# Puesto
Buscamos un DevOps Engineer con experiencia en tecnología blockchain, especialmente en Ethereum, para unirse a nuestro equipo y ayudarnos a escalar, automatizar y asegurar la infraestructura que soporta nuestros análisis y servicios.
# Responsabilidades
* Diseñar y mantener la infraestructura cloud para la captura, el procesamiento y el servicio de datos de blockchain.
* Automatizar despliegues y crear pipelines de CI/CD reproducibles.
* Administrar nodos de Ethereum (CL/EL), contenedores, bases de datos y servicios críticos.
* Implementar monitorización, métricas, logs y alertas (Prometheus, Grafana, Loki, etc.).
* Garantizar la fiabilidad, la seguridad y la escalabilidad de sistemas distribuidos.
* Colaborar con los equipos de backend y de data engineering.
* Documentar arquitectura y procedimientos.
# Requisitos
* Experiencia demostrable en entornos blockchain, preferiblemente Ethereum (ejecución de nodos, clientes, redes, sincronización, tooling).
* Dominio de Linux y de scripting.
* Experiencia con Docker y/o contenedores.
* CI/CD (GitHub Actions, GitLab CI o similar).
* Gestión de cloud (AWS, GCP, Azure...).
* Infrastructure as Code (Terraform, Ansible, Pulumi...).
* Monitorización y observabilidad (Prometheus, Grafana, Loki).
* Conocimientos de redes, seguridad y bases de datos PostgreSQL y Clickhouse.
* Programación en Python, Go o Bash.
# Bonus
* Experiencia con Geth, Nethermind, Lighthouse, Prysm, Teku u otros clientes de Ethereum.
* Kubernetes u orquestadores similares.
* Programación en Rust
* Conocimientos de sistemas distribuidos y de procesamiento de datos en tiempo real.
* Interés por la open data y la descentralización.
# Oferta
* Contrato full-time, híbrido (Barcelona).
* Proyectos de alto impacto en el ecosistema de Ethereum.
* Equipo técnico de alto nivel y entorno de investigación.
* Flexibilidad horaria y salario competitivo.
* Oportunidad de asistir a conferencias (Devcon, ETHCC, etc.).
DevOps Engineer Azure
27 nov.CAS TRAINING
DevOps Engineer Azure
CAS TRAINING · Madrid, ES
Teletrabajo Python Azure Cloud Coumputing Kubernetes PowerShell Bash DevOps Terraform
Buscamos DevOps Engineer Senior – Azure | Liderazgo | Madrid (Remote First)
¿Te gustaría liderar un squad de DevOps en una plataforma data de alto impacto, trabajar con tecnologías punteras de Azure y tener autonomía técnica real? ¡Entonces esta oportunidad es para ti!
📍 Ubicación: Madrid (1 día presencial al mes)
🌍 Idiomas: Español + Inglés C1
🔧 ¿Qué harás?
Serás el/la referente técnico del equipo DevOps-Infra (3–4 personas), liderando decisiones de arquitectura e infraestructura en una plataforma cloud con servicios avanzados de Azure.
Tu día a día incluirá:
🚀 Despliegue y mantenimiento de la infraestructura cloud de la Plataforma Data.
☸️ Administración y troubleshooting de AKS (Azure Kubernetes Services).
🧩 Infraestructura como Código con Ansible/Jinja2 y Terraform.
🧪 Automatización y scripting (PowerShell, Bash, Python).
🔐 Soporte de conectividad avanzada: Private Endpoints, VNETs, Gateways, WAF, F5, NSG...
📦 Trabajo con PaaS: Databricks, Data Factory, AzureML, OpenAI, KeyVault, Functions...
🚦 CI/CD con Azure DevOps Pipelines.
🤝 Interlocución con equipos de Microsoft internacionales.
Ingeniero/a de Datos ETL
26 nov.Inkoova
Barcelona, ES
Ingeniero/a de Datos ETL
Inkoova · Barcelona, ES
Agile
Funciones principales:
• Migración y transformación de procesos desarrollados en COBOL hacia entornos ETL modernos.
• Mejora continua del rendimiento y eficiencia de los flujos de datos.
• Diagnóstico y resolución de problemas técnicos.
• Apoyo especializado a los equipos de desarrollo y analítica.
• Elaboración de modelos de datos y preparación de documentación técnica.
Requisitos obligatorios:
• Al menos 2 años de experiencia utilizando informática como herramienta ETL.
• Capacidad para trabajar de manera colaborativa.
• Familiaridad con metodologías Agile.
Se valorará:
• Conocimientos en BigQuery y DB2.
• Experiencia en comunicación y gestión de stakeholders.
Qué ofrecemos:
• Contrato indefinido desde el inicio.
• Proyecto estable con posibilidades de crecimiento profesional.
• Entorno de trabajo colaborativo y orientado a la innovación.
• Condiciones competitivas acordes a la experiencia aportada.
Test Engineering Leader
26 nov.AstraZeneca
Barcelona, ES
Test Engineering Leader
AstraZeneca · Barcelona, ES
API MongoDB Python Selenium Cucumber REST Jira PostgreSQL Couchbase Machine Learning Office
About Evinova
Evinova is a health-tech business within the AstraZeneca Group, accelerating the delivery of better health outcomes by propelling the life sciences sector forward in digital health, from the inside. Through our application of science-based expertise, evidence-led rigor, and human experience-driven insight, our digital solutions are deliberately designed so that everyone can reach better health outcomes together.
Digital Health is the convergence of healthcare with technology, data, and analytics to transform the healthcare industry and improve human health.
At AstraZeneca, our goal is to improve patient experience and outcomes. We´ve been working hard to make this a reality, and our accumulated years of experience enable us to embed digital health at scale in our business and lead with our digital patient solutions.
Introduction to role
Evinova is seeking a dynamic Test Engineering Leader to join our Product Engineering team. Are you passionate about building products and driving innovation? In this role, you´ll leverage your test engineering expertise to deliver world-class solutions. As a Test Engineering Leader, you´ll bring an engineering mindset to testing, leading the testing strategy for our products. Collaborate with engineering leaders and excellence teams to implement tailored testing tools, establish a shared vision on testing practices, and lead external test engineer squads by influence. Adapt quickly in a fast-paced environment to solve problems and explore new directions.
Accountabilities
As a Test Engineering Leader, you will:
- Be responsible for test delivery of two products, partnering with contract test team leadership.
- Own testing for all product releases, preparing testing artifacts and reports.
- Collaborate closely with Engineering leaders and Delivery managers for smooth releases.
- Coordinate with internal employees and external contractors across multiple locations.
- Provide tailored, high-quality, operationally sustainable solutions.
- Build and implement testing strategy (manual and automated) in collaboration with engineering leaders.
- Own testing for the products, including test plan, test metrics, and release ownership.
- Build and maintain automation frameworks and scripts.
- Analyze test results, identify trends, and recommend improvements.
- Drive down manual testing for the products.
- Document testing and quality processes.
- Champion an engineering testing mindset.
- Coach and mentor team members as needed.
- Write and run actual test cases when necessary.
- Lead by doing, including writing scripts as needed.
Essential Skills/Experience
We consider individuals in this role to be our top tier Test Engineers. A top tier test engineer is capable of working in multiple spaces and is likely to be the most experienced and skilled test engineer on the team to begin with. Learning new technology is part of that. However, you must have deep technical skills.
- Experience leading different technology areas into a product technology roadmap.
- Previous hands-on testing experience.
- Expertise designing test architecture, selecting appropriate tools, and creating test strategy.
- Deep understanding of testing methodologies, tools, and automation.
- Expertise with automated test frameworks like Selenium, Playwright, Cucumber.
- Experience with scripting languages like Python.
- Experience working with databases like PostgreSQL, MongoDB, Couchbase.
- Experience with data validation testing.
- Experience with Rest API and general API testing.
- Experience with UI testing frameworks.
- Experience with process tools like JIRA, Confluence.
- Experience with creating test reports and other auditable documentation.
- Problem-solving skills.
- Ability and willingness to learn new technologies.
- Bachelor´s degree in Computer Engineering, Electrical Engineering, Math, Computer Science, Information Science, or equivalent degree is preferred.
- 10+ years of hands-on test engineer experience
- 8+ years of test engineering leader experience.
When we put unexpected teams in the same room, we unleash ambitious thinking with the power to inspire life-changing medicines. In-person working gives us the platform we need to connect, work at pace and challenge perceptions. That´s why we work, on average, a minimum of three days per week from the office. But that doesn´t mean we´re not flexible. We balance the expectation of being in the office while respecting individual flexibility. Join us in our unique and ambitious world.
AstraZeneca is where innovation meets impact. Join us on our journey to redefine healthcare by creating the future of medicine. Our patient-centric approach leverages cutting-edge technologies to understand diseases better, develop new medicines, and support patients comprehensively. Be part of a digitally-enabled Research & Development cycle that enhances clinical trials, data collection, digital therapeutics, wearables, machine learning, visual analytics, integrated data for improved patient outcomes, and insights for next-generation products. Empower yourself to explore and disrupt while working at the forefront of science. If you thrive on adapting your skills and learning from setbacks, this is the place for you.
Ready to make a difference? Apply now to join our team!
Senior Data Engineer Databricks
26 nov.Krell Consulting & Training
Senior Data Engineer Databricks
Krell Consulting & Training · Madrid, ES
Teletrabajo MongoDB Python TSQL Azure
Descripción
Buscamos un Senior Data Engineer con al menos 5 años de experiencia, especialmente focalizado en entornos Databricks durante los últimos 3 años. La persona seleccionada participará en proyectos del sector Industry, desarrollando soluciones de ingesta, procesamiento y optimización de datos en la nube.
Responsabilidades
Creación y mantenimiento de ETLs utilizando Databricks.
Desarrollo de pipelines de ingesta y transformación.
Automatización y optimización de pipelines existentes.
Participación en procesos de migración de entornos mediante prácticas de CI/CD.
Trabajo en ecosistemas Azure.
Requisitos obligatorios
Experiencia mínima: 5–7 años como Data Engineer.
Databricks (mínimo 3 años).
Python / PySpark – nivel alto.
SQL – nivel alto.
Azure – experiencia demostrable.
Requisitos valorables
Bases de datos MongoDB.
Creación y mantenimiento de entornos en Azure.
Inglés.
Modelo de trabajo
100% Teletrabajo
Horario: Estándar
Hasta 44K
Data Engineer
25 nov.UST
Data Engineer
UST · Málaga, ES
Teletrabajo TSQL Scala Spark Big Data Office
Role description
UST is looking for the very Top Talent...and we would be delighted if you were to join our family!
More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.
What are we looking for?
We are looking for a Data Engineer, working close to one of our main clients in banking sector.
Main tasks and accountabilities will be:
- Participation in Markets Data Hub tasks as a Data Engineer in the definition and automation of processes developed using Big Data technologies (Spark Scala, Databricks, Airflow) in Market Risk.
- The key responsibilities will not be those of a Spark Scala developer, but rather process definition, data preparation, request creation following the department´s procedures for process automation and configuration, and execution and validation of integrated tests.
- Process automation will be achieved through software deployments via Job as a Code.
What UST expects from you?
- +4 years of experience in technology-related projects
- High knowledge of SQL statements
- Experience in ETL design and data models
- Knowledge of Control-M and Job as Code
- Experience in testing and data validation
- English level (C1)
Desired Skills:
- Technical knowledge of programming languages (Scala) and Big Data technologies (Spark Scala, Databricks, Airflow).
- Experience in the banking sector.
- Knowledge of financial products or market risk metrics.
Work location
Hybrid Málaga. 3 days a week in the office.
Work schedule
Business Hours.
What can we offer?
23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).
`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan...)
Free access to several training platforms
Professional stability and career plans
UST also, compensates referrals from which you could benefit when you refer professionals.
The option to pick between 12 or 14 payments along the year.
Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)
UST Club Platform discounts and gym Access discounts
If you would like to know more, do not hesitate to apply and we´ll get in touch to fill you in details. We are waiting for you!
In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.
Data Engineer
25 nov.Inkoova
Barcelona, ES
Data Engineer
Inkoova · Barcelona, ES
TSQL Cloud Coumputing Terraform Kafka
Buscamos un Data Engineer con experiencia para reforzar nuestro equipo de datos. La persona ideal tendrá una base técnica sólida, capacidad para liderar iniciativas y facilidad para colaborar con distintos equipos internos.
Responsabilidades:
• Integrar y preparar datos para diferentes áreas del negocio.
• Mantener y mejorar plataformas de datos y procesos ETL.
• Participar en la migración a BigQuery e Informatica Cloud.
• Modelar bases de datos y elaborar documentación técnica.
• Trabajar con stakeholders para traducir necesidades en soluciones técnicas.
Requisitos:
• 3+ años de experiencia (o 1–2 con experiencia previa en BigQuery).
• Conocimientos sólidos de SQL, BigQuery e Informatica Cloud.
• Experiencia en modelado de datos y entornos centrados en ETL/BBDD.
• Buenas habilidades de comunicación, organización y liderazgo.
Valorables:
• Experiencia con GCP, Kafka, Terraform y gestión de stakeholders.
Junior Data Engineer
24 nov.Talan
Málaga, ES
Junior Data Engineer
Talan · Málaga, ES
Agile Angular Microservices Jira OpenShift IoT DevOps Spring Kafka Big Data Office
Company Description
Passionate about digital, data, IoT or AI and willing to join a dynamic and ambitious team on a human scale?
For more than 15 years, we have been advising companies and administrations and supporting them in the implementation of their transformation projects in Brussels and abroad.
To do so, we rely both on technological leverage and on the strength of our DNA based on collective intelligence, agility and entrepreneurial spirit.
With a presence on five continents and more than 4,000 employees, our goal is to reach more than a €1 billion revenue by 2024. Innovation is at the heart of our development and we are involved in areas linked to the technological changes of major groups, such as Big Data, IoT, Blockchain and Artificial Intelligence.
Job Description
As a Big Data Developer, You will participate in the Regulatory and Compliance technology team.
We need someone like you to help us in different fronts:
- Business application development (full software lifecycle: problem analysis, technical solution, solution design, development, testing and production upload).
- Communication with users to understand technological needs and provide strategic solutions.
- Code optimization and analysis: Threat modeling, exhaustive SAST, Sonar...
- Planning and execution of projects using Agile methodology
- Managing the different internal tools to document ALM in all phases of the projects.
- Support for incidents, including planned interventions.
- Execution of unit, integrated and regression tests
- Managing the tools to promote the releases.
EXPERIENCE
- + 2 years experience as Big Data Developer
- Fluent in Spanish and English.
Qualifications
Required skills: Min 2 years of experience
- Java/Javascript
- ETL
- Github
- Knowledge of different databases.
Language: English - professional competence
Desirable skills:
- Microservices (Spring Boot) - Openshift
- Flink
- Drools
- Kafka
- DevOps
- Agile methodology and tools: Jira, Confluence,...
- Attitude of strategic ideas and innovation to face all times of situations
- S3, Elastic and Angular
- Business knowledge in the Transactional Regulatory Reporting area
Additional Information
- Permanent, full-time contract
- Smart Office Pack so that you can work comfortably from home.
- Training and career development
- Benefits and perks such as private medical insurance, life insurance, lunch and travel cards as part of the flexible remuneration package
- Possibility to be part of a multicultural team and work on international projects
- Hibrid position based in Malaga, Spain
- Possibility to manage work permits if necesary