Empleos de lead python backend engineer en Barcelona

We are looking for a Senior Java Backend Engineer to join our growing Java Development Competence Center. Reporting directly to the Tech Lead, you will be part of an experienced international team, contributing to the design and development of high-quality software solutions for leading international client.This is an excellent opportunity for a passionate...

Preply in Barcelona is seeking a senior backend engineer to design and build scalable AI-powered backoffice systems. You will contribute to agentic workflows, integrate AI with codebases, and collaborate across Engineering, Product, Design and Data. Bring ~8 years of backend experience, strong Python, and hands-on AI agent experience. You’ll prototype...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Engineer – Pricing based in Spain. This is a high-impact staff-level engineering role focused on building the pricing infrastructure behind a modern energy transaction platform. You’ll own the backend and data-heavy...

Reference: 54987Posted: Location: Barcelona, ESPCategory: Software Product EngineeringCompany: Dow JonesJob Description: About the Team: Our Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a QA Chapter Lead based in Spain. This is a senior technical QA leadership role combining hands‑on engineering with responsibility for quality standards across multiple engineering squads. You’ll be embedded directly within one...

We power people's progress. At Preply, we're all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. We've just reached unicorn status with a $150M Series...

We're Hiring: Software Engineer (Hybrid - Barcelona)We are expanding our core engineering team. We are looking for an experienced Backend Engineer who thrives on solving complex technical challenges across distributed systems, data pipelines, and applied AI infrastructure.What You'll Do:- Design and build scalable backend services using Python.- Architect...

At NeuralTrust, we're looking for a Senior Software Engineer to help us scale our platform and take our technology to the next level. If you're passionate about building robust backend systems and working at the intersection of AI and security --- join us!About NeuralTrustWe're a Barcelona-based startup building the future of AI and Agents security. Our SaaS...

FuncionesEn Cobser Consulting buscamos un/a Data & AI Full Stack Engineer para incorporarse a un proyecto internacional dentro del sector asegurador. Buscamos una persona con experiencia en desarrollo Full Stack, visualización de datos y soluciones de Inteligencia Artificial, capaz de participar en el diseño y desarrollo de aplicaciones orientadas a...

ð At K-LAGAN, we're looking for talented people to keep growing with us! We are an international technology services company specialized in: IT: Banking, Insurance, Retail & E-Commerce, Healthcare Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace Manufacturing: Renewable Energy, Oil & Gas, and Utilities R&D: Research, innovation,...

The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in production, you have owned the eval harness, and you know what happens when your agent fails at 2am because you have lived it. As an AI Engineer (Agentic/Applied), you will design, build, and deploy production-grade agentic AI...

The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in production, you have owned the eval harness, and you know what happens when your agent fails at 2am because you have lived it. As an AI Engineer (Agentic/Applied), you will design, build, and deploy production-grade agentic AI...

Dow Jones is seeking a Senior Software Engineer to join the GenAI Experiences team in Barcelona. You will own end-to-end delivery of AI-powered features, collaborating with data scientists, ML engineers, and product managers to design scalable backend services and integrate LLM APIs. Lead technically on large projects, mentor colleagues, and remain hands-on...

Job Description Kleinanzeigen reaches 36M+ monthly users and is Germany’s leading online classifieds market. We are a sustainability-focused platform where you won't just write code; you will power the services that bridge our high-traffic backend with seamless user experiences. We are looking for an AI engineer proficient in Python, AWS, and GenAI...

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. You'll own the delivery side of our platform...

Location Barcelona and surrounding area Working model Hybrid – 4 days remote, 1 day per week in our Barcelona office Office KPS Iberia, C/ Pau Claris 162-164, 08037 Barcelona About KPS KPS is a global consulting and technology company delivering digital transformation and e-commerce solutions for leading international clients. At KPS Iberia, you will work...

Who We Are Manychat is a leading chat marketing platform, helping businesses engage with their customers on Instagram, Facebook Messenger, WhatsApp, and Telegram. Trusted by over 1 million brands in 170+ countries, we're an official Meta Business Partner, backed by Bessemer Venture Partners. Manychat is a leading chat marketing platform, helping businesses...

Take your career to the next level with Amaris Consulting as a Senior AWS Cloud Engineer. Be part of an international team within a global group with a €800 M turnover and more than 1,000 clients worldwide. You’ll work on AWS platforms where infrastructure automation, service continuity and data recovery are central to the role. Python, Mongo DB and...

Senior Backend Engineer - PaymentsAbout the opportunityYou will work in the Everyday Banking domain for the Payments team. This is where all payment and card transactions are being managed and processed by modern and high-volume systems that power the best customer experience possible. These teams make banking easy, reliable, seamless, and secure —...

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...