Tech jobs — page 142 · freehire

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Claire Joster | People first

Full Stack Developer (.NET C# JS REACT)

Full stack developer for an international digital-transformation project in the financial sector, working hybrid (2 days office in Vitoria Gasteiz, 3 remote). Day to day: build scalable services with Java/Spring Boot, frontends in React or Angular, plus cloud (AWS/Azure) and SQL/NoSQL data work, contributing to solution design and architecture.

Angular AWS Azure Cloud CSS +17 skills

Senior Full Stack Developer Angular & Java | 100% remoto

New EuropeSenior

Senior full-stack developer for a long-term, 100% remote project: building and maintaining web apps with recent Angular versions (including real-time data features) while developing and integrating Java/Spring Boot services via RESTful APIs and microservices, with some UX/UI involvement.

Angular API CSS HTML Java +6 skills

Big Data Engineer

Data/Big Data Engineer with 3-4 years of experience to join a banking-sector technology project in Madrid (hybrid, 50% on-site), building data platforms with Python, Scala, Apache Spark and Airflow on Kubernetes, working across multiple technical teams.

Airflow Bash Data Engineering Kubernetes Pulsar +3 skills

Lead Data Engineer

Lead Data Engineer in Barcelona for a sports organization: owns the data strategy end to end — defining the data architecture, building the Salesforce Data 360 platform on Azure (Data Lake, Data Factory, Synapse), auditing the datalake and integrations (ERP, CRM, SSO), governing data quality/GDPR, coordinating external partners, and supporting Power BI reporting. Core stack: Azure, SQL, Python, Sa

AWS Azure Azure Data Factory Azure Synapse Cloud +12 skills

Claire Joster | People first

Senior Full Stack Developer - C#/.NET AWS Agile

New EuropeSenior

Recruiter Claire Joster is hiring a full stack developer with ~5 years of experience for an international digital transformation project in the financial sector. Daily work spans Java/Spring Boot backends, React/Angular frontends, and SQL/NoSQL databases on AWS/Azure, in a hybrid model (2 days office, 3 remote) with C1 English required.

Angular AWS Azure Cloud CSS +17 skills

Data Engineer (Azure)

A versatile Data Engineer in Spain who designs, builds and maintains data engineering solutions on Databricks, Azure and DevOps, while also developing classic and AI-based Machine Learning models for forecasting, demand/sales prediction and time-series projects. Daily use of AI coding tools like Claude Code and Codex is encouraged.

AI Azure Claude Code Data Engineering Data Science +4 skills

Claire Joster | People first

React C# .NET AWS Agile Full Stack Developer

Full stack developer joining an international digital transformation project in the financial sector, based in Vitoria Gasteiz, Spain (hybrid: 2 office days + 3 remote). Daily work spans Java/Spring Boot and React/Angular on AWS/Azure with SQL and NoSQL databases, including solution design, architecture, and technical decisions.

Angular AWS Azure Cloud CSS +17 skills

Data Engineer (Etl) Remoto

100% remote data & observability engineer who instruments microservices with Datadog and OpenTelemetry, builds structured logging, telemetry and ETL/ELT pipelines, and defines SLIs/SLOs on AWS. Bridges engineering and business stakeholders through dashboards that tie technical performance to business KPIs. Core stack: Python, SQL, Datadog, AWS.

API AWS Cloud CloudWatch Data Science +12 skills

Data Engineer / Data Modeler

Data Engineer / Data Modeler at Baoss in Barcelona (hybrid 50/50), designing conceptual, logical and physical data models plus consumption/exploitation layers for corporate applications and AI solutions on AWS Cloud, using SQL and DWH/Lakehouse architectures, with Snowflake experience valued.

AWS Cloud Data Warehousing Lakehouse Snowflake +1 skills

GFR Technologies SE

Data Engineer

Data Engineer/Data Architect at GFT in Madrid, designing and implementing data pipelines and scalable Big Data architectures for banking, insurance, and industrial clients, optimizing ETL/ELT and applying data governance and security. Core stack: Python, Spark, Kafka, advanced SQL, Data Lake/Delta Lake on AWS/Azure, with Airflow/dbt.

AI Airflow AWS Azure Cloud +9 skills

Data Engineer

Data Engineer at a multinational consulting firm, joining a data team to work on long-term data projects in the Big Data ecosystem. Day-to-day work centers on building and optimizing data solutions with Apache Spark, Scala, Databricks, Snowflake, and Azure Data & Analytics services, in a hybrid setup (3 office days, 2 remote).

Analytics Azure CI/CD Databricks Git +7 skills

PrimeIT España

Full Stack Developer (React, Python)

Full stack developer at IT consultancy PrimeIT España in Chiva, Spain, building Python/FastAPI backends and React frontends. Requires 4+ years of experience, advanced SQL with SQLAlchemy/Alembic, and testing with Pytest, Jest and Playwright.

API FastAPI Jest OpenAPI Playwright +5 skills

PrimeIT España

Full Stack Developer - Python and React

Full stack developer at a large IT consultancy in Valencia, building backend APIs in Python/FastAPI and frontend features in React. Day-to-day work spans REST/OpenAPI services, advanced SQL with SQLAlchemy/Alembic, Redux state management, and testing with Pytest, Jest and Playwright.

API FastAPI Jest OpenAPI Playwright +5 skills

Full Stack Developer (Java + Angular)

Full stack developer building and evolving microservices-based applications: coding features with Java/Spring Boot and Angular, working with Kafka, Kubernetes, and MySQL/Oracle databases, writing automated tests (Cucumber, Selenium) and observability (OpenTelemetry, Elastic Stack) in a Scrum team.

Angular Cucumber Java Kafka Kanban +8 skills

Full Stack Developer (Angular + .Net) Remoto - Remoto

Remote full stack developer role at international IT consultancy Capitole: build applications using Angular 17+ on the frontend and .NET/.NET Core with C# on the backend, backed by SQL Server. Requires 3+ years of full stack experience; salary is €30–40k depending on seniority level.

Agile Angular CI/CD Confluence Data Lake +18 skills

30K – 40K €

Full Stack Developer (Laravel & Vue JS)

Plexus Tech is hiring in Spain (fully remote) for a developer/code analyst to design, review and evolve Java/Spring Boot applications for trading controls at a leading bank, using AI tools like GitHub Copilot and Devin. Day-to-day includes code quality work, documentation in JIRA/Confluence, and CI/CD participation.

AI CI/CD Cloud Confluence DevOps +13 skills

Full Stack Developer | Python & React (Inglés)

Full stack engineer joining a cybersecurity Vulnerability team at a large European corporate group's Barcelona tech hub, building the platform that centralizes and processes global vulnerability data. Day-to-day: end-to-end feature development with React on the frontend and Python/FastAPI on the backend, automated testing, and progressive exposure to Docker, Kubernetes, and CI/CD.

Agile AWS Azure CI/CD Cloud +16 skills

35K – 43K €

BC Digital Services

Full Stack Developer (Laravel & Vue JS)

BC Digital Services (Grupo BC) in Madrid seeks a Full Stack Developer to maintain and support legacy ASP applications while building with a modern stack: advanced SQL Server (T-SQL), JavaScript/CSS, Git, Web APIs, .NET and Angular. Permanent contract, hybrid model (4 days remote, 1 day in office), 3-4 years of experience required.

Angular API CSS .NET Git +4 skills

Senior Data Engineer

New EuropeSenior

Plexus Tech, a large Spanish IT services company, is hiring a Data Engineer in Galicia to design, build, and maintain scalable data platforms on AWS — developing ETL/ELT pipelines with DBT, querying large datasets with Amazon Athena, building analytical data models, and automating Linux-based processes.

Athena AWS Aws Glue CI/CD Data Lake +11 skills

Principal Data Engineer

New HybridEuropeFull-timePrincipal

Principal Data Engineer at Roche in Sant Cugat del Vallès (hybrid, Spain-based only): a hands-on technical lead designing and optimizing AWS data architectures and PySpark/SQL workflows (Iceberg, Parquet), defining GenAI strategy for diagnostic products, and mentoring developers.

AI Analytics Athena AWS CI/CD +19 skills