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  • Senior Software Engineer (Backend)

     ...implement REST APIs using FastAPI Build scalable, maintainable, and testable services Design database schemas and optimize SQL queries (PostgreSQL) Integrate with external services (OpenAI, Anthropic) Optimize API performance, latency, and throughput... 
    SQL
    Remoto
    Horario flexible

    Axiomatic Ai

    Barcelona
    4 días atrás

  • DevOps Engineer (Barcelona)

     ...deployment and monitoring. Experience working with different public cloud providers and hybrid environments. Database experience with SQL Server, MySQL, PostgreSQL or other. Monitor and evaluate the performance of implemented solutions, making recommendations for... 
    SQL
    De duración determinada
    Contrato
    Trabajo híbrido
    Horario flexible
    3 días a la semana

    Remotestar

    Barcelona
    3 días atrás

  • Programador/a Web Junior - Full Stack - Desarrollo y Soporte ASP/PHP/Laravel/APPs - Valles Occi[...]

     ...o Visual Basic/VBA Dominar PHP es básico, especialmente trabajar con Laravel es IMPORTANTE . Gestionar bases de datos en SQL Server/MySQL (importante SQL) y realizar tareas básicas de administración. Desarrollar interfaces web con HTML5, Bootstrap y JavaScript... 
    SQL
    Tiempo completo
    Indefinido
    Trabajar en la oficina

    Gestión de Residencias (GdR)

    Terrassa, Barcelona
    5 días atrás

  • Senior Full Stack Developer

     ...environments. Preferred Qualifications Experience with TypeScript for large-scale applications. Proficiency with databases (SQL and NoSQL, e.g., PostgreSQL, MySQL, MongoDB). Familiarity with LLM fine-tuning, embeddings, and prompt engineering. Knowledge of... 
    SQL
    Trabajar en la oficina
    Remoto

    Knowify LLC

    Barcelona
    4 días atrás

  • Dubai · Krakow · MadridRemote: Poland · Spain · UAE

     ...years of experience engineering with Python as your primary language ~ An academic background in a STEM subject ~ Fluency in Python, SQL, and other OOPLs ~ Experience with API development and integration ~ A practical understanding of distributed systems ~ The... 
    SQL
    Trabajar en la oficina
    Desde casa
    Remoto
    Inicio inmediato
    Trabajo híbrido

    Revolut Ltd

    Barcelona
    2 días atrás

  • Técnico/a de Sistemas - Cornellà de Llobregat, Barcelona

     ...(Chatgpt, ..) Experiencia con dockers Experiencia en deploy de aplicaciones .Net Conocimientos básicos de administración de SQL Server Conocimientos de administración de HCL Domino. Experiencia en empresa multinacional. Participación en proyectos innovadores... 
    SQL
    Tiempo completo
    Indefinido
    Horario flexible

    Group Mecalux

    Barcelona
    4 días atrás

  • Junior Software Developer (Training Contract)

     ...APIs and Web Services: Understanding and development of RESTful APIs and use of standard formats (JSON). Databases: Experience with SQL queries (MySQL, PostgreSQL, SQL Server). Development Tools: Advanced version control with Git (branching, pull requests, conflict... 
    SQL
    Temporal
    Tiempo completo
    Contrato
    Remoto
    Horario flexible
    2 días a la semana

    ICN2

    Barcelona
    1 día atrás

  • DBA & Data Modeller - (12 Month Contract)

     ...required to support core business applications and analytical tasks. Administer relational databases such as Oracle, PostgreSQL, SQL Server, or MySQL to maximise reliability, performance, and data resilience. Manage NoSQL databases and Databricks Delta Lake models... 
    SQL
    Tiempo completo
    Empleo permanente
    Contrato
    Remoto

    Robert Walters Spain

    Barcelona
    5 días atrás

  • Senior Software Engineer, EMR

     ...including SAML, Reverse Proxy, OAUTH/OIDC is mandatory* Experience working with both relational and documented oriented datastores such as SQL Server, Postgresql, or MySql* Comfortable working remotely with a globally distributed team* Excellent written, verbal and listening... 
    SQL
    Remoto
    Trabajo por turnos

    Abbott Laboratories

    Barcelona
    5 días atrás

  • Fullstack Engineer - Remote (BCN)

     ...addressing not only their needs but also capturing their essence. We are currently looking for a Fullstack Developer Java-Angular-Spring-SQL. Our partner, a fast-growing tech startup that helps hotels increase their website revenue by personalizing and improving the... 
    SQL
    Remoto

    Merlin Digital Partner

    Barcelona
    5 días atrás

  • Data Engineer (with Microsoft Stack)

     ...eficiencia. Integración y transformación de datos (ETL/ELT), Optimizando los procesos de transformación de datos en herramientas como SQL Server Integration Services (SSIS) Azure Data Factory. Modelado de datos y diseño de bases de datos. Diseñar esquemas de datos... 
    SQL
    Práctica
    Indefinido
    Remoto
    Jornada intensiva

    SDG Group

    Barcelona
    5 días atrás

  • Sr. Associate - Linux Administrator

    Sr. Associate - Linux Administrator Department: Technology Employment Type: Full Time Location: Barcelona Description Are you ready to take ownership of large-scale Linux infrastructure that powers mission-critical operations worldwide? Do you thrive ...
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    Shipco Transport Inc.

    Barcelona
    3 días atrás

  • Architect - Technical (Databases)

     ...or NoSQL databases are preferred. ~ Expertise in database setup, performance tuning, and issue resolution. ~ Strong knowledge of SQL/CQL, data modeling, and distributed systems architecture. ~ Hands-on experience with multi-data-center deployments and monitoring tools... 
    SQL

    Shipco Transport Inc.

    Barcelona
    4 días atrás

  • Ruby on Rails backend engineer

     ...with Ruby on Rails (RoR) for developing robust, scalable backend applications. Strong command of relational databases, including SQL and practical experience with PostgreSQL or MySQL. Commitment to high‑quality code through unit, integration, and end‑to‑end testing... 
    SQL
    Trabajar en la oficina
    Desde casa
    Remoto
    Visa de trabajo
    Horario flexible

    MarsBased

    Barcelona
    3 días atrás

  • Platform Engineer - Database Team

     ...problem‑solving and adapting to our users' needs, then this role will be great for you. Responsibilities Own and optimise relational SQL databases to ensure high availability, reliability, and scalability. Design and develop scalable, redundant and reliable APIs and... 
    SQL
    Contratista
    Tiempo completo
    Trabajar en la oficina

    Appwrite

    Barcelona
    3 días atrás

  • Full-stack developer (PHP + TS)

     ...JavaScript (ES6+) / TypeScript proficiency; ~ Familiarity with React.js / Vue.js / Angular (or at least JQuery); ~ Solid understanding of SQL (SQLite, MySQL, PostgreSQL, …), plus experience with caching and messaging tools like Memcached, Redis, MongoDB, Message Queues; ~... 
    SQL
    Contratista

    Planner5D

    Barcelona
    2 días atrás

  • Data Engineer - Spain

     ...experience in Python or equivalent scripting languages is a must. Technical Expertise: Proficient in Structured Query Language (SQL) and experienced in working with RDBMS (e.g., PostgreSQL, Oracle, MySQL). Skilled in ETL technologies (e.g., IDMC, Databricks),... 
    SQL
    Desde casa
    Remoto

    BASE life science A/S

    Barcelona
    3 días atrás

  • Senior Backend Engineer (nodejs + python) - 100% Remoto

     ...Kafka). Experiencia en Infraestructura como Código (Terraform/CDK) y CI/CD (Jenkins, GitLab CI o Bitbucket Pipelines). Conocimientos en bases de datos SQL (PostgreSQL/MySQL) y NoSQL. Habilidades organizativas, autonomía y enfoque a producto. #J-18808-Ljbffr... 
    SQL
    Práctica
    Remoto

    Jordan martorell s.l.

    Barcelona
    2 días atrás

  • Data Engineering Specialist

     ..., PySpark, and Snowpark* Experience data warehousing and object-relational database (Snowflake and PostgreSQL) and writing efficient SQL queries* Experience in cloud-based data platforms (Snowflake, AWS)* Proficiency in developing robust, reliable APIs using Python and... 
    SQL
    Trabajo híbrido

    Sanofi

    Barcelona
    2 días atrás

  • Junior Operations Specialist (Programmatic Advertising)

     ...current levels of spending and ad requests by finding an optimal equilibrium Driven by a commitment to data, use our reporting and SQL to gain performance insights and drive optimization Satisfy your hunger for knowledge by staying abreast of market and industry... 
    SQL
    Trabajar en la oficina
    Horario flexible

    Smadex

    Barcelona
    3 días atrás

  • Senior Back End Engineer Barcelona, Spain (Hybrid)

     ...Services, Cosmos DB, Azure Service Bus and Azure Kubernetes Service. Containerisation Technology (Docker, Kubernetes, Nginx). Strong SQL Server skillset, including T-SQL. Experience of building solutions incorporating NoSQL Databases such as Redis, MongoDB, AWS... 
    SQL
    Práctica
    Trabajo híbrido

    Outthink Limited

    Barcelona
    2 días atrás

  • IT Developer (AIT Production)

     ...Ability to develop software using Python, Rust, C#, or similar languages Strong understanding of database design and management (e.g. SQL, PostgreSQL) Familiarity with machine vision systems in a manufacturing environment Working knowledge of system integration... 
    SQL
    Trabajar en la oficina

    Open Cosmos Ltd

    Barcelona
    4 días atrás

  • Técnico /a de Soporte Help Desk

     ...Formativo Grado Medio Additional training: Curso especializado en ámbitos de conocimiento Technical skills: Gestión de Bases de Datos (SQL, SQL Server y Oracle). Sistemas Operativos y redes; ( Windows 2012, web IIS, web Kestrel en ASP.Net Core). Experiencia en trabajar en... 
    SQL
    Temporal
    Empleo permanente

    Alma Medical

    Barcelona
    3 días atrás

  • ERP Infor Administrator

     ...Wildfly) and proxy servers (HA-Proxy), ensuring reliability and efficiency. Database Management (Optional): Utilize your Oracle or MS SQL skills to enhance our database functionality. What We're Looking For: Technical Skills: Solid experience with ERP systems,... 
    SQL
    Remoto
    Horario flexible

    arsys ES

    Barcelona
    3 días atrás

  • Senior Full-Stack Developer (RoR) - Freelance · Barcelona ·

     ...Google Cloud y tecnologías serverless. APIs: Experiencia sólida escribiendo REST APIs . Bases de Datos: Sólida comprensión de SQL y fuerte experiencia con PostgreSQL . Prácticas de Desarrollo: Experiencia aplicando TDD y trabajando con principios de... 
    SQL
    Práctica
    Freelance
    Trabajar en la oficina
    Horario flexible
    Jornada intensiva

    Loyal Guru

    Barcelona
    2 días atrás

  • .NET Backend Developer Barcelona, Spain

     ...development – controllers, routing, versioning, serialization Entity Framework Core – LINQ, migrations, database-first/code-first SQL & Database Skills – SQL Server, PostgreSQL, stored procedures, indexing Authentication & Authorization – JWT, OAuth2, Identity... 
    SQL
    Contrato
    Trabajar en la oficina
    Trabajo híbrido

    Medhas Consulting Services UK Ltd

    Barcelona
    1 día atrás

  • Senior C#/.Net Software Engineer - Barcelona Hybrid

     ...knowledge of OOP principles ~ Strong knowledge of C# and Microsoft. NET framework ~ Good understanding of a relational database engine - SQL Server (or PostgreSQL) ~ Experience with modern software development life-cycle ~ Cloud and Application Architecture Experience... 
    SQL
    Remoto
    Trabajo híbrido
    Horario flexible

    Jordan martorell s.l.

    Barcelona
    2 días atrás

  • Data Engineer AWS / GCP

     ...accuracy, reliability, and consistency. Data Modeling & Transformation Converting raw data into scalable, analysis-ready models using SQL and frameworks like dbt . Supporting business teams with well-structured datasets. Analytics & Reporting Creating... 
    SQL
    Remoto

    Antal International Network

    Barcelona
    2 días atrás

  • Engineering Director

     ...communities Foster an inclusive and diverse environment for your team to show up and give their best each day REST APIs networking SQL, Redis PHP (Symfony), Rust, Python Web (Typescript, React) Desktop (C#, Swift) Infrastructure: MySQL / Ceph We need you... 
    SQL
    Trabajar en la oficina
    Desde casa
    Horario flexible

    Proton AG

    Barcelona
    5 días atrás

  • Data Engineer Ref.231-2025

     ...prcessament i anàlisi de dades en streaming, com Kinesis i Apache Flink, i orquestradors de fluxes de treball com Airflow. Domini de SQL i coneixement de gestors bases de dades: Oracle, MS SQL Server, PostgreSQL, MY SQL, DB2. Es valorarà coneixements en llenguatges... 
    SQL
    Jornada partida

    Orden Hospitalaria de San Juan de Dios

    Barcelona
    2 días atrás