Empleos de senior python backend en Madrid

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories.We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with...

Our mission is to enable everyone to build wealthWe reinvent how trading and investing work by creating exceptional products people love.That takes high standards, high velocity and engineers who own what they ship.Today, we serve over 6 million clients, with more than €38 billion in assets under management - a testament to the scale and trust we have...

Babel Profiles seeks a skilled Software Engineer with over 3 years of Python experience to contribute to AI projects in Barcelona. The position demands proficiency in system design and data governance, along with a solid background in machine learning applications. This role offers a hybrid working environment, promoting collaboration within a multicultural...

AUBAY selecciona un Cloud Engineer (SENIOR/EXPERT) con inglés para Barcelona (híbrido). Se espera sólida experiencia en ingeniería y arquitectura de soluciones de infraestructura AWS, diseño con Terraform y gestión de Git Lab CI, además de Python de alta calidad. El candidato debe dominar AWS Landing Zone, redes y seguridad, multicuenta, servicios...

Ookla, an Accenture company, is seeking a Senior Data Engineer to join its Data Engineering team in Spain. You will develop large-scale data processing jobs across Spark, Redshift, Athena and Airflow, collaborating with data scientists to turn methods into viable products while improving system performance and efficiency. You will mentor juniors, work with...

Ookla is seeking a Senior Data Engineer to join the Data Engineering team and help process the world's best data on internet performance. You will develop tools and pipelines to support data scientists and analysts, using Spark, Redshift, Athena, Iceberg and Airflow in a fast-paced environment. You will collaborate across data science, analytics and product...

Jobgether is partnering to hire a Senior Backend Engineer specializing in orchestration. Based in Spain, you will contribute to scalable backend services and high-performance distributed systems within a globally distributed team. You will emphasize clean, tested code and strong technical ownership while collaborating with cross-functional teams. The role...

bsport is hiring a Senior Backend Software Engineer to join the Financial Services team and craft a scalable payment and invoicing engine for clients worldwide. You will lead feature design, drive architecture decisions, and collaborate with Data, Product, and Dev Ops to deliver reliable, high-availability services. You will mentor peers, implement best...

Altech Group Ltd is seeking an engineer to join a fast-growing AI startup, with a strong chance to impact product direction. The role blends Python backend engineering, distributed systems, and full-stack development across Python/Django and Type Script/React. You'll own features end to end, build scalable production services, tackle performance and...

Jobtailor busca un/a desarrollador/a Python con más de 4 años de experiencia para un puesto híbrido en Madrid. Trabajarás en API creation, pruebas unitarias y desarrollo a lo largo del ciclo de vida del software, con Azure y un alto nivel de inglés. Formarás parte de un equipo colaborativo en un entorno de trabajo mixto. El rol requiere experiencia en...

Calímaco, en Madrid, busca un/a desarrollador/a senior para el área de Retail, responsable de diseñar, desarrollar y evolucionar soluciones para terminales de juego. Trabajarás con Python 3 sobre Linux, interfaces con impresoras, escáneres y sensores, asegurando calidad, seguridad y integración con la plataforma central. Se valorará experiencia en...

Calímaco, en Madrid, busca un/a desarrollador/a senior para el área de Retail, responsable de diseñar, desarrollar y evolucionar soluciones para terminales de juego. Trabajarás con Python 3 sobre Linux, interfaces con impresoras, escáneres y sensores, asegurando calidad, seguridad y integración con la plataforma central. Se valorará experiencia en...

A dynamic tech company is seeking an experienced ML Engineer to work in a hybrid capacity in Barcelona, Spain. The ideal candidate will have strong programming skills in Python and extensive experience with libraries such as Scikit-learn and Pyspark. A bachelor’s or master’s degree in a relevant field is required, alongside at least 8 years of...

Russell Tobin is seeking Senior Python Developers to join an international team. You will build scalable Python applications, API backends, and data pipelines while ensuring high quality, performance, and maintainability. Frequent collaboration with global teams on AI projects is expected. Ideal candidates have strong Python skills, experience with APIs and...

Veriff is seeking a Senior Software Engineer to join the Trust team. You will build backend services that validate identity data against country-specific sources, expanding global coverage and ensuring reliable launches. You will model diverse upstream data, implement robust testing, monitoring, and on-call practices, and collaborate with Product,...

Loyal Guru is hiring a Software Engineer in Barcelona to help build and scale our Saa S platform.You will work in an agile squad, shaping architecture and delivering robust backend services using Ruby or Golang.You'll write secure, clean code and participate in reviews, while collaborating with QA and Product Owners to ensure top quality.We value cloud...

Vermont Solutions en Madrid busca un/a Senior Backend Developer especializado/a en Java y Spring Boot con 6+ años de experiencia en microservicios y entornos Cloud.Diseñarás, desarrollarás y mantendrás soluciones cloud-native, asegurando rendimiento, seguridad y observabilidad en equipos ágiles.Requisitos: Java, Spring Boot, Spring Security, Kafka y...

Experienced Backend Java Engineer needed to lead development of a large-scale Java/Jakarta EE platform.Responsibilities include technical leadership, backend service development, integrations, platform reliability, and mentoring engineers.

Ebury's FinCore Engineering team in Madrid seeks a Senior Software Engineer to modernize our FX engine, reduce technical debt, and build high-throughput, regulated backend systems.You will influence platform architecture and own end-to-end delivery across a distributed cross-border team across Europe and beyond.The role focuses on Python with strong OO...

Giesecke+Devrient (G+D) is seeking a Senior Java Backend Developer to lead secure, scalable microservices for the TSM platform in a hybrid setup at El Prat de Llobregat.You will drive backend design with Spring Boot 4, cryptography, and automated testing while collaborating across product and QA teams.Join a high-availability, enterprise-grade environment...