Empleos de senior javascript engineer en Sevilla

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...

Jobgether SRL in Spain is seeking a Product Engineer (AI-Native) to own features end-to-end, collaborating with AI agents and external partners to deliver reliable, production-ready solutions. You will shape architectures, integrations, and deployment in a fully remote, international team. The role emphasizes entrepreneurship, high-quality code, and a strong...

About Pleo Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses ‘go...

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you. Your Role As a...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Customer AI Engineer – Token Factory based in Spain. Join an innovative AI infrastructure environment focused on helping businesses bring advanced AI applications from experimentation to reliable production at scale....

Docker, Inc. is seeking an experienced Customer Onboarding professional to guide customers through the initial onboarding journey, ensuring a smooth and scalable experience. The role focuses on provisioning, onboarding of Docker products, and maintaining high levels of satisfaction during transitions between teams. You will collaborate with Customer Success,...

The Role Kraken is building a dedicated AI Compute and Infrastructure team to power the next generation of model training, inference, evaluation, and experimentation across the exchange. This team sits within engineering leadership and owns the infrastructure layer that lets Kraken run AI workloads with control, speed, reliability, and cost discipline. The...

Powerline is seeking a seasoned optimization engineer to develop and refine MILP and nonlinear models for battery and renewable energy projects. You will own algorithm performance across Powerline's portfolio and stay up to date with wholesale market developments. Join a fast-growing climate-tech company applying ML/AI to optimize grid assets, with a strong...

Ubicación: Barcelona o Reus (Cataluña) Modalidad híbrida: Presencialidad parcial (2-3 días por semana en oficinas en L'Hospitalet de Llobregat) Catalán medio imprescindible | Catalán alto deseable Experiencia: 5 años ¿Te apasiona diseñar la evolución tecnológica del puesto de trabajo digital en grandes organizaciones? Buscamos un/aDigital...

We are looking for a senior Ruby on Rails engineer to become the technical backbone of our product. You'll own the hardest PRs, raise the bar for the entire codebase, and eventually take technical load off the CEO. This is not a management role. It's a hands-on, high-trust position for someone who can ship production code across every part of the...

Kraken is expanding its global database platform and seeks a senior MariaDB/MySQL DBA to scale high‑throughput clusters, enhance availability, and automate operations. You will design reliable backup and DR strategies, improve observability, and work with containerized deployments and GitOps practices to empower engineering teams. Join a collaborative team...

Lognext seeks a Productivity & Collaboration Services Administrator to design, implement and maintain Microsoft 365 collaboration and productivity services across Exchange, SharePoint, Teams and OneDrive. You will work with cross-functional teams in an international environment to ensure reliable messaging and collaboration platforms. The role requires deep...

the company, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The the company Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...

Hi I’m Abhik, Ashby's Co-Founder and VP of Engineering. We’re looking for a versatile, persistent product engineer who’s not afraid to set up reusable building blocks across the stack and advocate for the time and space to do so. At Ashby, all our engineers ship features end-to-end at a high pace. Example is the best leadership. We’ll give you the...

Appfire is seeking a skilled Senior JS/TS engineer to join the Astroneers team, working on JMWE/JMCF products and related features. You will contribute across ideation, design, development, release, and maintenance in a transparent, supportive environment. You will design scalable applications using Effect-TS and Node.js, applying best practices, and...

Alex Staff is seeking a Senior Database Reliability Engineer to own PostgreSQL reliability in a production setting. You will automate repetitive tasks, support engineering teams, and reduce single-person dependency across PostgreSQL, ClickHouse, MongoDB, and Redis operations. The role emphasizes hands-on database depth, Linux fundamentals, and automated toil...

Titles? Meh, we’re not big on them, but let’s call this one Data Scientist like the other colleagues at the team As part of our international AI/ML squad, you’ll craft tailor-made solutions that wow our clients. We’re hunting for a passionate Senior AI Engineer with a solid technical background. Your mission? Train, deploy, and put groundbreaking...

UST España & Latam is seeking a Senior Android Engineer to join a multidisciplinary Mobile Engineering Team in Spain. You will design and develop high-quality Android apps, mentor others, and influence technical decisions while collaborating with product owners, designers, and engineers. Required: 5+ years of Android experience, Kotlin/Java, strong English,...

Elastic seeks a Senior Software Engineer to join the Elasticsearch Performance team. You will drive performance optimization across distributed systems, focusing on core design, profiling, and scalable improvements. Responsibilities include implementing performance models, running benchmarks with JMH/Rally, and guiding autmation for profiling and regression...