Tech jobs — page 26 · freehire

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Krell Consulting & Training, S.L.

Backend Developer

NewBe an early applicant Europe

Senior backend developer at IT consultancy Krell, building Java 17+/Spring Boot microservices with Apache Kafka, event-driven and hexagonal architecture, plus testing and CI. 100% remote role open to candidates residing in specified Spanish provinces; seniority expected (5+ years), salary negotiable.

A leading digital innovation company

Full-Stack Developer

NewBe an early applicant RemoteEurope

Senior/Lead full-stack developer for a 12-month (extendable) international project, working fully remote from Spain; Italian is mandatory. Day-to-day work centers on AWS, Terraform/CloudFormation, Docker, Node.js and React microservices with Jest/Vitest testing, plus occasional trips to the client's Milan office.

AWS CloudFormation Docker GitHub GitHub Actions +9 skills

Site Reliability Developer (Python/Java) / Sre

NewBe an early applicant EuropeFull-time

Site Reliability Engineer at WatchGuard working alongside application teams in AWS, Azure, and hybrid cloud environments to ensure monitoring, security, reliability, and automation. Leads production incident response and on-call rotations, defines SLIs/SLOs and operational standards, and builds automation using Python, Java, or Go with Terraform, Kubernetes, and CI/CD tooling.

AI Artifactory Automation AWS Azure +22 skills

Senior Full-Stack Developer | Python/Node.Js Real-Time Apps

NewBe an early applicant EuropeSenior

Senior Full-Stack Developer at EY GDS Spain designing and maintaining enterprise web applications, leading frontend activities with Angular and Spring Boot, ensuring WCAG 2.1 AA accessibility, building RESTful APIs, mentoring juniors, and contributing to CI/CD; the title also cites Python/Node.js real-time apps.

Accessibility Angular API CI/CD REST +2 skills

Madrid Fintech Software Engineering Lead (Python/Ts)

NewBe an early applicant EuropeLead

Software Engineering Lead at a Madrid-based financial technology consulting firm: designing core applications in Python and TypeScript, leading a team, and collaborating closely with clients. Salary up to €120k plus bonuses.

Python TypeScript

Oxigent Technologies

Python Developer (Data Environment) - Hasta €45.000 Al Año

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¿Te gustaría seguir desarrollándote como Python Developer en un entorno internacional, formando parte de un equipo ágil y rodeado de perfiles senior de primer nivel? Desde Oxigent Technologies buscamos un/a Python…

JavaScript Python Streamlit

Oxigent Technologies

Python Developer (Streamlit) - Hasta €50.000 Al Año

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Desarrollador Python con experiencia en Streamlit y aplicaciones de datos, enfocado en la creación de visualizaciones interactivas y herramientas para el negocio. Se requiere nivel avanzado de inglés.

Python Streamlit

Triangle Talent - Solutions RRHH

Desarrollador/A Backend Senior Java-Spring Boot-Microservicios - €35.000 - €40.000 Al Año

NewBe an early applicant EuropeSenior

Senior backend developer role in Madrid (with telework) focused on designing, developing and maintaining scalable applications, REST APIs and microservices using Java and Spring Boot, participating across the full software lifecycle with emphasis on quality and performance. Permanent contract, €35,000–40,000/year.

API AWS Bootstrap CI/CD Cloud +13 skills

35K – 40K €

Desarrollador/A Backend

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Backend developer in Madrid building and integrating services, APIs, and microservices in Go (Golang). Day-to-day work involves databases, REST services, and messaging systems.

Desarrollador Backend Java - Español / Contractor - €30.000 - €35.000 Al Año - Remoto

NewBe an early applicant EuropeContract

Senior Java backend developer (100% remote from Spain) on a large-scale project: designing and maintaining Spring Boot services across multiple repositories, working with event-driven architectures and Kafka, and evolving legacy systems in an international team. Requires 4+ years of Java experience.

API Java Jdbc JPA Kafka +1 skills

30K – 35K €

Desarrollador Java Backend Aso – Remoto - Remoto

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Remote Java backend developer building ASO services and backend components on the APX platform for strategic financial-sector projects. Requires banking environment and transaction-implementation experience; knowledge of proprietary architectures like Ether is a plus.

Desarrollador/A Backend .Net

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Senior Backend .NET developer designing scalable backend services and REST APIs for digital transformation projects — modernizing legacy applications and building new cloud-native solutions — alongside architecture, frontend, DevOps and business teams in agile, hybrid work in Spain.

AI API CI/CD Cloud Cloud Native +6 skills

Frontend Developer

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Frontend developer in Madrid building web solutions at a digital transformation consultancy that delivers mobile, web and AI apps for many clients. Day to day you develop with Angular, jQuery, Bootstrap and JavaScript, and are comfortable touching Java JSP backend code.

Angular Bootstrap Java JavaScript jQuery +1 skills

The BIG Jobsite, La Fosse

Frontend Developer - €200 - €300 A Day - Remote

NewBe an early applicant RemoteEuropeContract

Remote frontend developer role paying €200–€300 per day. The developer builds responsive user interfaces for customer-facing and internal platforms, integrating with PHP environments and working with cross-functional teams.

AI CSS Git HTML JavaScript +5 skills

200 – 300 € / day

Senior Frontend Developer - €300 - €400 A Day

NewBe an early applicant EuropeContractSenior

On-site contract role in Spain for a senior frontend developer building conversion-focused interfaces for public websites and internal tools in a PHP environment. Day to day: HTML5/CSS3/JavaScript (ES6+), jQuery, Twig templating, SASS/BEM, A/B testing and performance optimisation.

300 – 400 € / day

Jooble, La Fosse

Senior Frontend Developer - €300 - €400 A Day

NewBe an early applicant EuropeContractSenior

Contract Senior Frontend Developer building high-performance, conversion-focused interfaces for public websites and internal tools in PHP environments, using HTML5/CSS3, JavaScript, jQuery, Twig templating and SASS/BEM, plus A/B testing and performance optimisation. Day rate €300–€400, start ASAP, open-ended.

300 – 400 € / day

Senior Frontend Developer (Gijón) - €300 - €400 A Day

NewBe an early applicant EuropeSenior

Day-rate (€300–€400) frontend developer role based in Gijón, Spain: building high-performance web UIs, running A/B tests, and ensuring cross-browser compatibility while collaborating with cross-functional teams.

300 – 400 € / day

Airbus Helicopters

Connectivity Systems Engineer – Avionics & Data Links

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Airbus Helicopters España in Getafe seeks a systems engineer to own functional and system design of connectivity (avionics and data links) for new technology projects, performing system-level integration within the Mission System department and contributing to the FireFighting24H project team.

Oxigent Technologies

Data Scientist/Forecasting ML Engineer

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Data Scientist/Forecasting ML Engineer at Oxigent Technologies (Madrid-based team, 100% remote possible in Spain) developing time-series demand forecasting models for a biopharma-sector project. Day to day: refactoring Dataiku/notebook code into clean modular Python, structuring data in Snowflake, and working with an MLOps architect on containers and pipelines.

Feature Engineering Machine Learning MLOps Python Snowflake

48K – 53K €

Civil Engineer - Data Center Projects (Hybrid, Flexible)

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ILERWORK busca un/a Ingeniero/a Civil para desarrollar proyectos de Data Centers y obras civiles complejas en un entorno híbrido. Se integrará en un equipo multidisciplinar y participará en todas las fases, desde el…

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