Empleos de senior backend java engineer remote en spain

Alkimii is seeking a Senior Ruby on Rails Engineer to join our Spain-based team and help evolve our hospitality SaaS platform. You will own core features, collaborate with product and design, and help scale performance and reliability. You will work with Ruby on Rails, GraphQL, and Vue.js, contributing across the product lifecycle while leveraging AWS and...

Base360.ai is seeking a Senior Software Engineer to architect and scale a platform for short-term rental operators. You’ll build customer-facing products, automation engines, AI-powered workflows, and integrations with partners like Airbnb, Stripe, and Twilio. You’ll work on a cloud-native, API-first backend and a frontend stack with React/TypeScript,...

Affinist is a remote-first company hiring a Senior Full-Stack Software Engineer for the Repayments UX. The role is based in Spain and visa sponsorship is possible, with the team located across Europe in the same time zone. You will own quarterly goals, collaborate across product, design, and analytics, and help ensure reliability and growth at scale. Base...

Orbitant is hiring a Senior DevOps Engineer to design, deploy and operate cloud foundations, Kubernetes clusters and AI infrastructure. Join a team that values engineering rigor, autonomy and practical innovation. Remote work is offered with a focus on delivering scalable, maintainable platforms for clients and internal teams. The role emphasizes GitOps,...

Decskill busca un Senior Platform Engineer para proyectos estratégicos en el sector farmacéutico. Diseñarás la infraestructura cloud para la plataforma de IA empresarial y darás soporte a los servicios backend de IA. Se valorará al menos 6 años de experiencia, experiencia sólida en Azure, Python, microservicios y APIs, y conocimientos en Docker,...

Nix is seeking a Senior Data Engineer to design, scale, and maintain high-performance ingestion, CDC, and delivery pipelines on GCP. You will architect enterprise-grade data platforms processing large-scale metadata and feature extraction datasets for AI/ML use, leveraging Snowflake, ClickHouse, dbt Core, and Airflow. The role emphasizes building robust...

Cast AI is building an applied ML role focused on real-time routing decisions for model selection and cost-efficient inference. You will own the routing model lifecycle, run production-parity evaluations, and transform fleet data into actionable training signals. The role blends ML research rigor with practical engineering to ship reliable, fast routing...

Simple Life App is seeking a Senior Frontend Developer to join the Growth team. You will build UI with Vue 3, TypeScript, and Vite, shaping AI-powered health features and experiments. You’ll own features from idea to production, collaborate with engineers, designers, product managers, and analysts, and move fast while maintaining high code quality. The...

DNA.inc is seeking a Senior QA Engineer to join a small, collaborative team building high‑performance streaming and media applications. You will lead manual testing across iOS and Android, contribute to AI‑based QA tooling, and write automation scripts to raise our quality bar. You’ll collaborate with designers and engineers across Europe, work in a...

Toshiba Global Commerce Solutions in Spain is seeking an experienced L3 Support Software Engineer to be the final escalation point for production issues on our ELERATM Commerce platform. You will work with L2 and teammates to diagnose, fix, and document problems, while developing software and ensuring high quality code. The role requires 6+ years in software...

Knowmad Mood, una empresa líder en transformación digital, busca un profesional senior para desarrollo back-end con Java 8+ y front-end con Angular en un equipo multidisciplinar. Se requieren al menos 5 años de experiencia, dominio de APIs RESTful, Maven, Git y Linux, además de experiencia con Angular 16+ y Bootstrap. Se valorará experiencia en...

Runware is seeking a Senior Software Engineer to turn ambitious ideas into production systems that delight developers and deliver business impact. You’ll work across the stack—from backend APIs and orchestration to SDKs and developer tools—owning outcomes from design to delivery. You’ll collaborate across the company to build robust, scalable...

Our Vision & Products🚀 EverAI — Building the Future of AI CompanionshipOne of the Top 15 Largest & Fastest-Growing AI Companies in the World50 Million Users in 2 years — Help Us Reach 100M first, 500M nextAt EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products — we're creating...

Jobgether, on behalf of a partner company, is seeking a Senior ML Engineer - Malware Detection to work remotely from Spain. You will develop and deploy ML solutions to detect web-based malware across Linux hosting environments, handling real malware datasets and transformers, with GPU resources and AI-assisted tools. You will own the ML lifecycle from data...

N-iX is building a global Media Data Foundation to unify paid media and analytics data. As a Senior Data Engineer, you’ll shape architecture, implement data pipelines and lead dbt-led transformations at scale for cross-platform reporting. You will collaborate with architects and product owners, work on data models for marketing dashboards and ensure data...

5Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2B platform. You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach. You’ll collaborate with engineering and product teams across time zones, use Claude Code or similar tools,...

Tech Teamz in Spain is assembling a dedicated engineering team to collaborate with a leading company on next-generation DPUs. We are seeking a Senior System Architecture Engineer to join the team for the long term and contribute to advanced semiconductor design. The ideal candidate has 5-10 years of experience in SoC or system architecture, deep knowledge of...

Jobgether partners with a Spain-based team to recruit a Senior C++ Software Engineer. The role centers on developing high-performance C++ software within a ROS2-based embedded vision and sensor-fusion platform for intelligent traffic systems. You will design, implement, and optimize core components, integrate multiple sensors, and contribute to architecture...

BCNC GROUP busca incorporar Senior Data Engineers con al menos 4 años de experiencia en ingeniería de datos para un equipo deslocalizado. El objetivo es simplificar la arquitectura, mejorar la calidad y acelerar la entrega de productos de datos para analítica, reporting e IA. El perfil domina SQL y Python, y las tecnologías del stack Databricks, Airflow,...

A leading technology company is seeking a Senior Go Software Engineer to join their team full-time in Spain. Responsibilities include writing effective Go code, resolving technical issues, and applying best practices like TDD. The ideal candidate has extensive experience with distributed systems, API development, and a collaborative mindset. Benefits include...