Empleos de lead python backend engineer en Zaragoza

We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3 billion in assets - and we’re just getting started.We’ve been featured by MoneyWeek, Finder and Forbes, and we’re growing fast with big ambitions.About the RoleWe’re looking for a Senior Backend Engineer to join...

Jobgether SRL, on behalf of a partner company, seeks a Senior Software Developer (Node.js/Python) based in Spain. You will design and operate scalable backend systems, building APIs in Node.js, TypeScript, and Python while collaborating with AI engineers.You will drive architectural decisions, mentor peers, and contribute to engineering standards in a...

InvestEngine is a London-based fintech hiring a Senior Backend Engineer to join the Payments Team and help scale a business-critical part of our platform.You'll design, develop and maintain backend services in Python 3.11 using Django/DRF, build RESTful APIs, and work with MySQL and Redis. The role emphasizes reliability, performance and long-term...

A technology recruitment agency is seeking a Mid-Senior Back End Developer specializing in Python, machine learning, and data science in Zaragoza, Spain. This full-time role involves working with Fortune-500 clients and leading technical efforts in AI and quantum technologies. Candidates should have a strong educational background and experience in software...

Intellia is seeking a Senior Python Backend Engineer to design and build scalable backend services for agent-to-agent communication on AWS AgentCore platforms. You will work on Python-based backends, API integration, and asynchronous event-driven patterns to enable robust multi-agent interactions.The role emphasizes API design, registration and discovery...

Location: Remote from Spain (an indefinite Spanish employment contract)We are looking for a Senior Python Backend Engineer to build and integrate agent-to-agent communication capabilities on AWS AgentCore platforms. The role focuses on Python backend development, A2A protocol implementation, agent discovery and registration, event-driven communication, and...

Full Stack Engineer - React / Typescript / Python We are currently partnered with a world-leading quantum AI company developing cutting‑edge solutions that make artificial intelligence faster, greener, and more accessible. Their products bridge the gap between quantum computing and AI, helping global clients solve complex real‑world problems at scale....

A leading tech recruitment agency is seeking a Full Stack Engineer for a fixed-term contract in Zaragoza. The ideal candidate will have 2-5 years of experience in both frontend and backend development, proficient in React, TypeScript, and Python. Your role will involve building internal tools and data dashboards, as well as managing deployments using Docker...

Airalo is seeking a backend engineer to drive the evolution of our global platform used by millions. You will lead backend services, build APIs, and contribute to a modular, service-oriented architecture while balancing speed with stability.We value deep PHP expertise, Laravel or Symfony experience, strong OOP, and solid SQL skills. Fluency in English is...

Help Us Build The Future of Travel At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.Today, we're a team of 400+ people across 60+ countries, building a product used by travelers every...

About PleoMessy 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 beyond'.The...

Lever, Inc. is seeking a Senior Software Developer (Node.Js/Python) based in Spain. You will design, develop, and operate scalable backend services and AI-enabled components, collaborating with AI engineers and cross-functional teams to deliver production-grade APIs.You will own technical decisions, enforce coding standards, and mentor peers while working in...

Parser Limited is seeking a Staff Backend Engineer (Java) to lead the design and delivery of high-scale microservices and messaging systems. You will influence architectural decisions, set technical standards, and drive performance improvements while collaborating with global engineering teams.You will work with modern AI-assisted tooling to enhance...

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

Kraken is seeking a Senior Software Engineer to lead the Consumer team, owning the architecture of Rust backend services powering trading, payments, and crypto experiences. You will drive end-to-end ownership, mentor engineers, and collaborate with product leadership to shape roadmaps.A strong emphasis on AI-assisted development and high-quality user...

We are partnering with a high-growth rewards and loyalty platform that sits at the intersection of consumer engagement, mobile gaming, and adtech. Their platform rewards millions of active users for engaging with apps and games while delivering measurable, high-ROI acquisition campaigns for global advertisers. In this ecosystem, data isn't just a back-office...

About the RoleWe're looking for a Principal Server Engineer to own the backend systems powering our live games - services currently supporting 1M+ DAU. You'll be responsible for performance, scalability, and reliability at the core of our infrastructure, working closely with the engineering team on everything from schema design to incident...

Backend Engineer - Fixed Term Contract / Infrastructure and Automation We’re looking for a number of Backend Engineers to help build robust services and automation pipelines that support next generation AI and quantum‑inspired technologies. The team enables model compression that reduces LLM size by up to 95 % and cuts inference costs by up to 80 %,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Engineer, AI Platform based in Spain.This role offers the opportunity to lead the engineering foundation behind reliable, measurable, and scalable AI-powered features. You'll build evaluation frameworks, observability...

Kraken is seeking an Engineering Manager for the Exchange/Trading Technologies teams. You will lead a group of engineers responsible for core trading backend services, including the matching engine, market data gateways, and order-entry systems.The role combines leadership with hands-on technical involvement across Rust/C++, Go, and Python. You will guide...