Empleos de senior python engineer for ai-powered ad platform en Barcelona

A global creative technology firm is seeking a Senior Software Engineer excited to build innovative tools for video advertising. This fully remote role involves improving an Ad Scoring API and designing scalable data systems. The ideal candidate will have 7+ years of backend experience, deep Python skills, and familiarity with LLMs. Join a diverse team...

Videocation, based in Barcelona, is looking for a Product Engineer to lead full-stack development and create AI-driven features. With a hybrid work model, you'll engage closely with customers and be responsible for shaping product impacts. This role emphasizes strong ownership and collaboration across teams to enhance learning solutions that deliver...

Seedtag is hiring a Senior Software Engineer to build backend systems for neuro-contextual advertising at scale in Barcelona.The role focuses on designing high-throughput services and integrating AI/ML models within a distributed cloud environment.You will work with Data Scientists, AI teams, and Product Managers to deliver scalable API endpoints and robust...

Experis, a ManpowerGroup company, seeks a Senior Software Engineer to join Kompanion as a core early member in Engineering. You will build the foundations of an AI-native platform for critical tax, accounting, and financial workflows, owning features end to end and shaping product and engineering standards. You’ll work with Java, Spring Boot, Next.js,...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap. You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with leadership responsibilities. The position is based in Barcelona with a hybrid work model. #

Preply in Barcelona seeks a seasoned Platform Engineer to join our Developer Platform team. You will own CI/CD systems, tooling, and internal platforms that empower thousands of engineers to move fast and ship with confidence. You will work on AI-enabled workflows and scalable cloud-native services, collaborating with squads to align roadmaps, reduce...

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...

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...

Manychat is seeking a Senior Python Engineer for Brands in Barcelona. You will own backend systems, design scalable services with FastAPI, and directly influence product decisions. You’ll collaborate with product and partners to ensure the code delivers real metrics and growth. You’ll work on building a new product from scratch, with room to lead your...

Lexroom Srl is building Europe’s leading legal AI platform with a Barcelona focus. You will be a senior engineer in a small squad, owning the technical decisions and delivering production-grade features. You’ll work across the stack (Next.js, TypeScript, Python, Django) and collaborate with product and design to ship high-impact capabilities. Fluency...

Preply is seeking a Platform Software Engineer to join the Developer Platform team. You’ll build and operate CI/CD tooling and platforms that empower engineers to ship quickly and safely. You’ll own the end-to-end developer journey from writing code to deployment and craft internal platforms and tooling to turn friction into scalable engineering...

A specialized AI opportunity platform is seeking a Senior Python Developer to create functional tests and manage Docker environments. Ideal candidates should have over five years of software engineering experience, with expertise in Python and deep functional testing skills. The role offers remote, flexible participation at a competitive rate based on...

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,...

Lexroom is building the AI platform where legal work gets done. We’re growing and rely on over 20,000 legal professionals across Europe. We’re seeking a senior engineer to join a small squad, own technical decisions in production, and help teammates improve. You’ll work across the stack—deep on one side and fluent enough on the other to ship a...

MaxIT Consulting – Max Corporate Group is seeking a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for healthcare. You will own outcomes across the full product stack, applying AI-assisted development in daily work and collaborating with a founder-led, technically focused...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain, is seeking a Senior AI-First Full-Stack Engineer to build an AI-powered healthcare workforce platform. You will own end-to-end product delivery across frontend, backend, and cloud, working with TypeScript/React and languages like Java, Kotlin, Python or Go. You will deploy on AWS/GCP, design...

Preply is seeking a Platform Software Engineer to join the Developer Platform team.You'll build and operate CI/CD tooling and platforms that empower engineers to ship quickly and safely.You'll own the end-to-end developer journey from writing code to deployment and craft internal platforms and tooling to turn friction into scalable engineering...

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...

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 compensation,...

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: Why SplitMetrics? SplitMetrics Acquire, a platform for automating and optimizing Apple Ads. SplitMetrics Agency, a full-service mobile marketing agency staffed by...