Empleos de backend python engineer en Barcelona

Senior Manager of Software Development, SCOT Fulfillment Optimization, PlanningWhen you order items on Amazon, there are practically thousands of ways we can fulfill that order. Which Fulfillment Center do we ship the items from, what carriers to use, what boxes to combine items in - now scale the same question to billions of items shipped annually...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems.You’ll work across frontend to infrastructure to...

King приглашает опытного Python-разработчика бэкэнда в Барселоне. Ваша роль — проектирование и поддержка API и сервисов, работа в распределённых системах и облачных средах, а также обеспечение...

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. Summary: We are currently seeking a Senior Software Development...

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. Our platform is built in Java using Spring...

A leading technology recruitment firm is looking for a Python Developer in Barcelona to build scalable backend systems utilizing Python and Flask. The ideal candidate has over 3 years of experience in Python programming and hands-on experience with Flask. They offer a flexible, remote-friendly work culture, career growth opportunities, and work on projects...

Betby is building a complex, high-load microservice-based backend for risk management in sports betting. We value autonomy, ownership, and scalable engineering as we expand with a small, focused team. Join our Risk-Management Product Group to develop back-office risk tools, integrate with Kafka and Rabbit MQ, and contribute to architecture discussions. We...

At Roche you can show up as yourself, embraced for the unique qualities you bring. At Roche Diagnostics Solutions (RDS), our mission is clear: to diagnose earlier, develop faster, and personalize treatment because every patient is unique. Within Computational Science & Informatics (CSI), we are the bridge between our origin and our future, shaping the next...

When you order items on Amazon, there are practically thousands of ways we can fulfill that order. Which Fulfillment Center do we ship the items from, what carriers to use, what boxes to combine items in - now scale the same question to billions of items shipped annually worldwide. At Amazon's Supply Chain Optimization Technologies (SCOT), we are tasked with...

SplitMetrics is a global software company delivering an ecosystem of products that fuel growth for mobile-first businesses worldwide. We’re looking for a Senior Backend Engineer (Python) to join our team and design backend services in Python using FastAPI. You will build async job execution with Redis/Celery/Kafka, integrate with LLM services, and...

Job Description Job Title: Python Developer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what...

A leading software development company in Barcelona is seeking a Senior Software Engineer (Python / Backend) to lead backend development and contribute to an AI-powered platform. Candidates should have over 4 years of experience in Python, strong problem-solving skills, and the ability to work independently. This role offers competitive USD-based...

SplitMetrics is seeking a Team Lead (Python) to join our remote-first engineering team. You will own the technical roadmap, lead backend, full stack and QA engineers, and coordinate quarterly planning with senior leadership to deliver high-impact data platforms.You will drive data lakehouse projects, optimize performance, and ensure reliable data pipelines...

Joppy is seeking an experienced Backend Engineer to design, build, and scale our backend systems powering AI-driven information verification and representation. You’ll work across layers, collaborating with the core team to deliver end-to-end backend solutions.You should bring deep Python experience, familiarity with FastAPI, and a strong track record in...

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. Our platform is built in Java using Spring...

Join one of Southern Europe’s fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe’s fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we’re just getting started. We’re building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI...

Present Connection ищет Python-разработчика в команду R&D на позиции бэкенд-инженера. Вы будете строить бэкенд-сервисы, конвейеры данных и инструменты, связывая данные с AI-агентами и MCP-серверами, которые их...

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. Our ecosystem includes: SplitMetrics Acquire, a platform for automating and optimizing Apple Ads. SplitMetrics Agency, a full-service mobile marketing agency staffed by top experts. ...

En LAUDE buscamos incorporar un/a Backend Python Engineer para una colaboración freelance de 3 meses, con el objetivo de evolucionar y optimizar una plataforma backend moderna basada en APIs. Mantener y mejorar un servicio backend desarrollado con FastAPI Desarrollar nuevas funcionalidades y optimizar endpoints existentes Garantizar una arquitectura limpia,...

Present Connection is expanding its R&D team in Barcelona, seeking a Python Developer to build backend services and data pipelines for an AI-driven BI platform. You will shape architecture, leverage AI agents, and own end-to-end solutions from concept to production, collaborating with cross-functional teams.The role offers hybrid work, flexible hours, and a...