Empleos de senior javascript engineer en Barcelona

Remote – Europe / UK basedWe are supporting a search for a Senior MLOps / ML Platform Engineer within a specialist life sciences software company that is building a SaaS platform for biopharma and scientific teams.This is a platform role rather than a model-building one. The company's product relies on AI and scientific models, and you would own the...

Seeking a Senior React Native Engineer to build a new greenfield mobile app from scratch, working on both mobile and backend development, collaborating with teams, and using AI tools.

About the PositionYABA sells five brands across Amazon, our own Shopify stores, marketplaces like iHerb, and retailers like Target. Behind that sit NetSuite, several 3PLs and a growing set of integrations, pricing rules and internal tools. We're looking for a senior engineer to own big pieces of that system end to end.This is a senior role in a small Tech...

Ingeniero de Analytics/Consultor BI con más de 5 años de experiencia en diseño de bases de datos, SQL, PL/SQL y plataformas cloud. Se requiere nivel alto de inglés.

Desde Cobser Consulting buscamos incorporar un/a Senior QA Engineer especializado/a en AI/GenAI, con experiencia en testing de modelos de Machine Learning, LLMs y sistemas basados en agentes. Funciones Diseñar y ejecutar estrategias de testing para soluciones AI/ML y GenAI. Validar modelos en términos de precisión, robustez, sesgos, fairness y...

Sobre el rol Estamos buscando un/a Senior Java Developer con sólida experiencia en el desarrollo y mantenimiento de aplicaciones empresariales basadas en tecnologías Java. La persona seleccionada participará en el diseño, desarrollo, evolución y soporte de aplicaciones críticas de negocio, trabajando con Java 8, Spring Framework, PL/SQL, Oracle y...

In the cloud, every second counts. On the leading edge of security, Sysdig stops attacks in real-time by instantly detecting changes in cloud security risk with runtime insights and open source Falco. Trusted by a large enterprise customer base, we are a well-funded startup, passionate open source enthusiasts at heart, and problem-solvers who are building...

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and...

The company and our mission Zartis is a digital solutions provider working across technology strategy, software engineering and product development. We partner with firms across financial services, MedTech, media, logistics technology, renewable energy, EdTech, e-commerce, and more. Our engineering hubs in EMEA and LATAM are full of talented professionals...

We're looking for a Senior Performance Test Engineer to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design, implement and execute performance testing and synthetic monitoring solutions, ensuring system scalability, stability and reliability for business-critical applications. You will work closely with development teams...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Product Design Engineer based in Spain. Own core product experiences end to end, combining exceptional product design judgment with strong design engineering skills. You’ll turn ideas and prototypes into production-ready...

We're looking for a Senior ML Engineer to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design, build, and deploy scalable machine learning and AI solutions that power next-generation digital capabilities within a leading global financial institution. You will work across the full lifecycle – from concept and prototyping...

Senior Software Engineer (Backend) Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms...

Allianz Technology in Barcelona is seeking an experienced Application Support professional to ensure seamless operation of applications in the managed portfolio. You will perform updates, patches, monitor performance, and enforce security and licensing compliance. You will provide L2 support, resolve incidents, collaborate with IT teams to integrate apps,...

Core Development & ResponsibilitiesCI/CD Orchestration: Migrate and evolve workflows from Jenkins/Bitbucket to GitHub Actions standards.Infrastructure as Code (IaC): Automate Azure provisioning using Terraform, replacing manual processes with declarative, scalable models.DevSecOps & Compliance: Implement automated security gates (Snyk, SonarQube,...

Core Development & ResponsibilitiesCI/CD Orchestration: Migrate and evolve workflows from Jenkins/Bitbucket to GitHub Actions standards.Infrastructure as Code (IaC): Automate Azure provisioning using Terraform, replacing manual processes with declarative, scalable models.DevSecOps & Compliance: Implement automated security gates (Snyk, SonarQube,...

DAVANTIS, una empresa líder en analítica de vídeo, busca un Senior Test Automation Engineer en Bellaterra, Barcelona. El candidato ideal tiene más de 3 años de experiencia en automatización de pruebas y habilidades en el diseño y mantenimiento de frameworks. Ofrecemos un contrato indefinido, un entorno técnico altamente cualificado y oportunidades de...

Why Cloud Infrastructure at Langfuse Your work will keep Langfuse running — everywhere. Langfuse processes over a billion trace events per month. When a Fortune 50 company relies on Langfuse in production, they're relying on the infrastructure you operate. You'll own uptime, performance, and cost efficiency across our entire cloud footprint — and you'll...

Seeking a Senior Software Engineer to design, implement, and maintain APIs and connectors for financial data aggregation. Responsibilities include developing scalable backend services using Python/Go, collaborating with product and DevOps teams, and ensuring code quality and security.

Lighthouse is seeking a Senior AI Solutions Engineer for Marketing in Barcelona to design and deliver AI-powered marketing workflows. You will work on transforming marketing operations, building AI agent workflows, and collaborating with domain experts to maximize impact across our marketing stack. Ideal candidates have strong software/integration...