java script

Support Your App is seeking a T3 Support Engineer to join a global Intelligent Support-as-a-Service team. You will troubleshoot backend issues, read production data, and implement small fixes while collaborating with Engineering and support teams. The role requires strong English, SQL, and cloud experience (AWS), plus PHP/Java Script skills. Fully remote...

Ruby Labs Ltd is seeking a Data Engineer to own data engineering tasks, integrations, and marketing systems. Core stack is Python, SQL, and Bash, with experience in Google Tag Manager, pixels, conversion setup, and Java Script. Airbyte and Airflow are nice to have; you will work across Big Query, Click House, Pub/Sub, and other systems, collaborating with...

Trading-21 is seeking an experienced QA Automation Engineer to own the QA process for multiple projects and lead automation efforts. You will design and maintain automation scripts, participate in design reviews, and mentor junior teammates to ensure high-quality releases. The role requires strong programming skills (Python/Type Script/Java/etc.), experience...

Lever, Inc. is seeking a Full-Stack Developer / Shopify Expert (e Commerce CRO Focus) based in Spain.You will own performance, usability, and conversion for high-traffic Shopify storefronts, implementing improvements and running experiments to drive measurable results.Role combines hands-on Shopify development with CRO, performance engineering, and customer...

Arsys seeks a Specialist Full-Stack Execution for the Euro Office Performance Group (Server Development) to drive high‑volume feature delivery and rapid bug fixes across the document suite, clearing paths for senior architects and keeping momentum during sprint cycles. You will refactor legacy Java Script modules with AI‑assisted methods, build vertical...

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems. You will work with Java 21 (Spring), Go, and Node.Js (Type...

Sobre nosotros En Kuik no hacemos magia, hacemos tecnología. Pero una que entiende a las personas. Desde 2010 acompañamos a empresas que no buscan una transformación digital cualquiera, sino una que respete su esencia. Nos gusta construir soluciones que aporten valor real. Compartimos ideas, cuestionamos lo establecido y creemos que la mejor tecnología...

Sobre nosotros En Kuik no hacemos magia, hacemos tecnología. Pero una que entiende a las personas. Desde 2010 acompañamos a empresas que no buscan una transformación digital cualquiera, sino una que respete su esencia. Nos gusta construir soluciones que aportan valor real. Compartimos ideas, cuestionamos lo establecido y creemos que la mejor tecnología...

Desde SEIDOR GESEIN, seleccionamos un/a Full Stack Senior para incorporarse a un proyecto tecnológico estable, trabajando en un entorno internacional y 100% remoto. Buscamos un perfil con experiencia sólida tanto en desarrollo Frontend como Backend, capaz de participar en todo el ciclo de desarrollo: análisis, diseño, desarrollo e implementación de...

Blue Code Alicante is hiring a Senior Full Stack Integration Engineer to join one of our clients, an international Saa S company building product configuration and personalization technology for e-commerce and enterprise customers. You will take ownership of customer integrations from development through delivery. The role is explicitly expected to own...

EUROPEAN DYNAMICS Group is seeking a Full Stack developer fluent in English to work remotely within the EU. The role involves integrating with a major client’s IT team and contributing across front-end and back-end development, automation, and system administration. The candidate should have 7+ years IT experience, strong Python/Java Script skills, React...

Connect Vision International is seeking an experienced Platform Engineer to join our Digital Platform team responsible for building and improving robust cloud-native platform capabilities and shared engineering services. The role sits between software development, cloud infrastructure and platform enablement; you will design, build and maintain platform...

Eacademy Sanofi in Barcelona is seeking a Data Engineer to lead the Tender Management Software Engineering team. This pivotal role involves managing a full-stack engineering team, driving digital transformation, and contributing to the development of strategic bidding systems for pharmaceuticals. The ideal candidate has 8+ years of experience, a Bachelor's...

Ruby Labs Ltd is seeking a Data Engineer to own data engineering tasks, integrations, and marketing systems.Core stack is Python, SQL, and Bash, with experience in Google Tag Manager, pixels, conversion setup, and Java Script.Airbyte and Airflow are nice to have; you will work across Big Query, Click House, Pub/Sub, and other systems, collaborating with...

Aimling is looking for a Forward Deployed Engineer in Madrid to own complex deployments of frontier models. In this role, you will partner directly with our customers to ensure production systems' success and value delivery. Responsibilities include scoping work, managing delivery, and contributing to code. The ideal candidate has over 5 years of relevant...

The Whiteam Consulting in Madrid seeks a Senior Service Now Developer to design, develop and configure CPQ, Sales and Order Management, CSM and related workflows. You will build AI-enabled solutions on the Now Platform and integrate CPQ with CRM/ERP systems. Ideal candidates have 4+ years in Service Now development, CSA/CAD certifications, and strong Java...

Leadout Capital is seeking a Senior Technical Consultant to join Salesforce Professional Services in Iberia. You will own technical workstreams end-to-end—from solution design through go-live—on multi-cloud Salesforce implementations for Spain and Portugal enterprise customers. This hands-on delivery role requires architectures, POCs, integration work,...

Mercor is seeking a Web Development Expert for a fully remote contract. The role requires 3–8 years of frontend or full-stack experience, strong HTML/CSS and Java Script skills, and proficient use of browser Dev Tools. You will evaluate visual fidelity across multiple rewrites, ensure responsive behavior, and justify design decisions with precise,...

Jobgether is seeking a Senior Automation QA Engineer (Playwright/Type Script) based in Spain.You will design, develop, and maintain end-to-end and API tests, migrating legacy Java-based tests to Playwright, and leading test automation architecture improvements.You will also develop load-testing scenarios with k6, evaluate performance metrics, and collaborate...

NCC Group in Madrid is seeking a Senior Service Now Developer to lead the design, build, and maintenance of highly customized Service Now applications within our cybersecurity managed services. You will drive technical standards, mentor the team, and work directly with customers on requirements, escalations and architecture decisions. Ideal candidates will...