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ALTEN Spain is hiring a Java Developer in Vitoria-Gasteiz (remote work options available) to build backend services with Java, Spring Boot, and microservices, working with relational databases and AWS. C1+ English is required.
Arktic, a Spanish business and technology consultancy, is hiring a junior backend Java developer to build server-side services for client projects. Day to day involves Java, Spring, Hibernate, Maven, Git, Jenkins, and SQL/NoSQL databases, with remote work options available.
Build a Python/Flask API to automate tasks on IBM Cloud virtual servers, managing infrastructure deployments with Terraform and integrating them into Jenkins CI/CD pipelines. A hybrid junior-to-mid role (1-2 years' experience) for Experis España in Spain.
Backend/AI software engineer at consultancy Arelance (Vigo, Spain) building production-grade Agentic AI systems on an AI & Data team. Day-to-day: Python/FastAPI APIs, LLM agent workflows with LangGraph/LangChain/AWS Bedrock, deployed on AWS Kubernetes/EKS, with CI/CD, Docker, Terraform and observability. Permanent contract, remote options, up to €65k.
Senior Backend Engineer who designs, builds, and operates production-grade Python services and REST APIs that integrate AI/LLM and ML capabilities in a large enterprise environment. Core stack: Python, AWS, Docker/Kubernetes, relational databases, CI/CD; hybrid with 2 days onsite in Viladecans, Barcelona.
Full Stack Engineer (Python/FastAPI + React) joining the Vulnerability team in the cybersecurity domain of a large German group's Barcelona tech hub, building the platform that centralizes and processes global vulnerability data (integrating Splunk, ServiceNow, Salesforce). Hybrid role: ~8 office days/month near Plaza Cataluña.
Senior Python Developer at Plexus Tech (Spain) building projects with Python and Django plus TypeScript, backed by PostgreSQL, Redis and RabbitMQ, and deployed with Docker and Kubernetes. Requires 5+ years of development experience and offers a permanent contract with 100% remote work.
Builds a Model Context Protocol (MCP) so AI agents can interact natively with PubMatic, automating programmatic ad operations (inventory, deals, floor prices, OpenWrap/header bidding) plus real-time reporting and optimization. Uses Python, LangChain/LangGraph, APIs, BigQuery and cloud. Hybrid in Madrid, €33k–38k.
Senior Python developer joining a backend platform team that builds high-performance, high-volume distributed services, owning complex architecture components end-to-end in production. Core stack: Python, SQL (SQL Server/Oracle/PostgreSQL) and CI/CD pipelines; role is 100% remote.
Consulting role joining a market-risk project as an ActiveViam Developer: day-to-day development in Java (J2EE) and Python on the ActiveViam platform, building OLAP-cube/analytical database solutions and risk calculations such as sensitivities and VaR. Offered 100% remote on a permanent contract.
A senior Python engineer at King builds and operates backend services, APIs, and data-driven platforms for forecasting and analytics, including distributed pipelines, OLTP database optimization, and cloud-native containerized deployments integrated with King and Microsoft ecosystems.
Senior Python developer (7+ years) building reusable libraries, internal frameworks and microservices, with strong focus on software quality. Fully remote role; stack includes FastAPI, Pip/Poetry/UV, containers, AWS (CloudWatch, X-Ray, AppRunner/Fargate, Lambda) and CI/CD with Git, Jenkins and Sonar. Requires B2 English.
Senior hands-on backend engineer building and operating production Python services and APIs that integrate AI/LLM capabilities in an AWS-based enterprise environment. Day to day spans architecture, relational databases, Docker/Kubernetes, CI/CD and observability, with a hybrid model of 2 days onsite per week in Viladecans, Barcelona.
Senior Backend Engineer building and operating production-grade Python backend services and REST APIs that power AI/LLM-enabled applications, owning services end-to-end on AWS with Docker, Kubernetes, relational databases, CI/CD and observability. Hybrid model: 2 days onsite per week in Viladecans, Barcelona.
A Python developer with 1-2 years of experience builds a Flask API and automates IBM Cloud infrastructure using Terraform and Jenkins in CI/CD pipelines for cloud and microservices environments. Hybrid role in Madrid or Barcelona (1-2 office days/week, rest remote) on an international team.
Abalia is hiring a Python developer for a fully remote role focused on automation and web scraping. Day to day involves extracting, processing, and automating data using Python and Google Cloud services, with REST APIs, OAuth 2.0, and pipeline management experience valued.
Backend developer on TransPerfect's AI team in Barcelona, building a Python pipeline that converts complex, unstructured PDFs into pixel-perfect editable .docx files. Day to day: benchmarking commercial and open-source OCR/document-AI tools (ABBYY, AWS Textract, LayoutLM-style models), and integrating LLMs like GPT/Claude for layout correction.
Senior Java backend developer/architect working fully remotely for Apiux Tech, serving a leading banking-sector client. Day to day they design software and microservices architectures, build SOAP/REST APIs, and work with Oracle/SQL Server, WebLogic/Tomcat, UML, Git and JIRA within agile teams.
Apiux está buscando un/a ARQUITECTO JAVA para TELETRABAJAR!!! Si sus habilidades, experiencia y cualificaciones coinciden con las de esta descripción del puesto, no demore su solicitud. Somos una empresa tecnológica…
Apiux Tech seeks a senior Java backend developer/architect to work fully remotely for a leading banking client, designing and implementing software architecture, APIs (SOAP/REST), and microservices. Requires 5+ years as a Java architect/team lead in banking, plus Oracle/SQL Server, WebLogic/Tomcat, GIT, JIRA and agile experience.
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