Tech jobs

NewBe an early applicant RemoteEuropeSenior

Senior Full Stack Developer (Node.js/React)

Agile API Api Design AWS Azure +15 skills

Senior full-stack developer for an EdTech startup's remote team, building backend services with Node.js/Express and frontend interfaces with React, designing RESTful APIs, and optimizing scalable web applications end to end.

Capitole

NewBe an early applicant EuropeLead

Ai Backend Developer - €21.600 Al Año

AI ERP Microsoft Dynamics

ERP Technical Lead / AI-enabler role in Málaga: lead clients and an internal team to the best technical solution using Microsoft Dynamics 365, gathering requirements, solving problems, and supporting the Project Manager on client projects. Listed at €21,600 per year.

22K – 22K €

Techsoulogy group

NewBe an early applicant HybridEuropeContract

PHP backend developer in adtech

AI API CI/CD C# CSS +9 skills

PHP backend developer on Tappx's SSP Tech team, building and maintaining high-scalability supply-side platform projects and internal tools in PHP/MySQL, owning the full lifecycle from design to production monitoring. Hybrid in Barcelona/Madrid or 100% remote anywhere in Spain.

3MT GALICIA GLOBAL SERVICES, S. L.

Senior .NET Backend Developer

API Azure Azure Service Bus C# .NET +8 skills

Senior .NET Backend Developer at 3MT Global Services, joining a project for an international client in A Coruña (hybrid), evolving the client's own product and modernizing legacy components. Day to day: building event-driven microservices in C#/.NET, REST APIs and SQL Server data access, from analysis through production.

3MT Global

Senior .NET Backend Developer

API Azure Azure Service Bus C# .NET +8 skills

Senior backend developer building and maintaining C#/.NET services for an international company's own product in A Coruña: event-driven microservices, SQL Server data access and REST APIs, plus legacy modernization, code review and production incident handling. Hybrid work from A Coruña, Spain.

ALTEN Spain

Backend Developer (AI Engineering)

AI API AWS Azure Cloud +7 skills

Hybrid (Barcelona/Madrid) backend role at consultancy ALTEN Spain: build and own Python/FastAPI services and REST APIs, and integrate LLM features — RAG pipelines, tool-calling and multi-agent workflows — into real insurance processes, with cloud experience on Azure or AWS.

Infoser Technological solutions, Hardware, Big Data Experts

NewBe an early applicant EuropeMiddle

Full Stack Developer

API Fastify Node.js React TypeScript

Mid/senior full stack developer (backend-focused) joining a development initiative: builds backend services and APIs with Node.js, TypeScript, Fastify and Prisma ORM, while also contributing to the React frontend. Requires 4+ years of experience and fluent English for an international, autonomous working style; based in Madrid.

SoftNeos Engineering and Computer Services SL

Full Stack Developer Senior

Angular CSS ERP HTML Ionic +6 skills

Senior full-stack developer at SoftNeos, a 12-person software engineering firm in the Osona region of Spain, improving and evolving its own industrial management products (MES/ERP-type, Industry 4.0). Day to day: autonomous coding, testing/QA, bug analysis, R&D, and documentation using JavaScript/TypeScript, Angular, Ionic, PHP/Laravel, and SQL.

SII Group Spain

NewBe an early applicant EuropeContract

Full stack developer in insurance

Agile Angular Java React Scrum +1 skills

Java backend developer at SII Group Spain in Barcelona, growing into a full-stack role with React on an insurance-sector client project: taking new projects from scratch and advancing ongoing developments. Core stack is Java and Spring Framework, with React training provided; French is the project working language.

Biorce

NewBe an early applicant HybridEuropeSenior

Backend developer in healthtech

Agentic AI AI Analytics API Api Design +37 skills

Senior Backend Developer at Biorce, an AI-driven healthtech company accelerating drug development, based at its Barcelona hub (hybrid). The role owns core backend services (Node.js/NestJS, TypeScript, PostgreSQL, GCP), builds third-party integrations, ships LLM-powered agentic features, and mentors engineers.

Quintall

Senior Backend Developer

Agile Analytics API ARM Templates Authentication +24 skills

Senior backend developer on an international Agile team in Barcelona's Digital Sales Hub, designing and improving C#/.NET backend services, REST APIs, databases, and cloud-hosted integrations with platforms like WCMS, DAM, marketing automation, consent management, and web analytics, plus CI/CD and technical documentation.

K-LAGAN

NewBe an early applicant EuropeMiddle

Java Developer Mid

Mid-level Java developer at IT services firm K-LAGAN, joining a long-term project to develop, maintain and evolve web applications for a banking client — payment gateway systems on an existing microservices architecture, including SQL/PL-SQL data layers and integration interfaces. Hybrid work based in Málaga, Spain.

Java PL/SQL Spring SQL

Indra Group

Java developer in mobility

API CI/CD Java Jira Maven +4 skills

Backend Java developer (5+ years) at Indra Mobility in Barcelona, building middleware and real-time integrations for transport, ticketing and smart mobility systems. Day-to-day: REST APIs, WebSocket/MQTT communications, hardware integrations, automated testing and CI/CD pipelines.

Present Connection

NewBe an early applicant HybridEuropeMiddle

Mid Python Developer – Data & AI Backend

Agentic AI AI Analytics API AWS +20 skills

Mid-level Python developer building backend services, data pipelines and tooling for an AI-based business-intelligence platform on AWS — data lake, semantic layer and AI agents/MCP servers — for an ERP provider serving DACH manufacturers. Requires solid Python, SQL and hands-on LLM/agent experience; hybrid work in Spain.

3K – 4K € / mo

Oxigent Technologies

NewBe an early applicant EuropeContractSenior

Senior Python & AI Developer (Go Migration)

API AWS BDD Claude Code Clean Architecture +19 skills

Senior backend developer joining the Code Foundations team of a multinational electronics-refurbishment company in Barcelona, migrating high-volume services from Python to Go on AWS, Kubernetes and microservices while defining quality standards (TDD/DDD) and improving deployment agility. Needs ~7 years of Python and experience with AI tooling.

Present Connection

NewBe an early applicant HybridEurope

Python developer for AI analytics

Agentic AI AI Analytics API AWS +19 skills

Python developer on an R&D team at a DACH ERP provider, building backend services, data pipelines and tooling for an AI-based business intelligence and analytics platform, connecting data to AI agents and MCP servers. Core stack: Python, SQL, APIs, LLMs/AI coding agents; hybrid in Barcelona.

3K – 4K € / mo

InnoQubit

Frontend Developer - React + TypeScript (Remote/Hybrid)

API Microsoft Dynamics React SaaS TypeScript

InnoQubit, a company building solutions on Microsoft Dynamics 365 Business Central, is hiring its first frontend developer to lead a new SaaS webapp from scratch. Day to day: building dashboards, responsive interfaces, and consuming REST APIs with React and TypeScript, in a hybrid work model in Spain.

InnoQubit

Frontend Developer React + TypeScript

API Microsoft Dynamics React SaaS TypeScript

InnoQubit, a company specializing in Microsoft Dynamics 365 Business Central solutions, seeks a frontend developer (2-3 years' experience) to be the first frontend hire on a new SaaS product for financial position and cash-flow forecasting, building the webapp in React + TypeScript with dashboards and data visualizations.

3MT Global

Senior Frontend Developer