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32 Blockchain developer jobs in Spain
- Senior Blockchain Developer / Web3 ArchitectRawtech DigitalBarcelona€80K (Employer provided)You will work closely with product managers, developers, and stakeholders to deliver cutting-edge Web3 products that drive innovation and business growth.…13d
- React Native Developer (Wallet team) - 100% remoteTether.toBarcelonaThe applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.…30d+
- Senior Fullstack Developer (Blockchain)
Merlín DPBarcelonaRemote-Friendly: You will be able to work remotely, with occasional in-person meetings in Barcelona. You will design and build end-to-end digital applications……30d+ - AI-First Developer / Builder (Python & Full-Stack)GenLayer LabsBarcelonaYou will collaborate closely with a small technical team and work in a highly AI-assisted development environment, using tools like Claude Code, OpenClaw and……30d+
- Developer Relations AI (100% remote)Tether.toMadridThe role is focused on bridging the gap between developers and our product teams, ensuring our solutions are accessible, well-understood, and developer-friendly……30d+
- Pega Systems Expert - SGT
SantanderBoadilla del MonteAnalysis and develop the required specifications, through the delivery of services and technical components required for its operation with a view of your own……30d+ - Senior Software Engineer, Blockchain (Smart Contracts)1inchTrabajo en remoto1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience……30d+
- Backend Java Engineer - Kazakhstan/Russian speaker (6 months Contract)
BinanceTrabajo en remotoEngage in and improve the whole lifecycle of service, from inception and design, through to deployment, operation, and refinement. 100% Remote, Work from Home.…30d+ - Developer Relations P2P (100% remote Worldwide)Tether.toBarcelonaThe role is focused on bridging the gap between developers and our product teams, ensuring our solutions are accessible, well-understood, and developer-friendly……30d+
- Senior UX Researcher (100% Remote Worldwide)Tether.toBarcelonaWe need someone with genuine curiosity, depth of thinking, and the ability to communicate findings clearly enough that product designers and product managers……27d
- DEVELOPER JAVA EXPERT (FRAMEWORK SPRING/API REST)SantanderBoadilla del MonteSi quieres conocer más sobre nosotros, síguenos en https://es.linkedin.com/company/banco-santander. Como Developer Java Expert (FrameWork Spring/API REST) , tu……30d+
- SENIOR FULLSTACK DEVELOPERApptiva Core TechnologiesMadridYou will participate in the design and creation of functional scalable software on the frontend and backend, working with development teams and product managers……30d+
- Senior Backend DeveloperTether.toMadridThe Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order……30d+
- Senior Backend / API Developer (Web3)Merlín DPBarcelonaNivel de inglés profesional; se valorará conocimiento avanzado de español (equipo con sede en España). Conocimiento de tecnologías blockchain y DLT, así como de……30d+
- Data Platform EngineerBlock LabsEspañaAs a Data Platform Engineer in the Data Team, you will own the end-to-end real-time pipeline, serving data across a unified analytical warehouse and feature-……30d
- Influencer Marketing Manager (100% Remote)Tether.toMadridYou've worked with agencies in multiple regions and know how to manage them. A real track record of campaigns you've run end-to-end, with results you can talk……22d
- Senior Technical Product Manager - Wallets (100% Remote)Tether.toBarcelonaYou will set the roadmap, drive every sprint, and be the person every engineer, designer, and stakeholder looks to when a decision needs to be made.…30d+
- Marketing Project Manager (100% remote)Tether.toMadridOwn and manage the end-to-end workflow for marketing design projects, from intake and scoping through delivery and launch.…30d+
- Lead Enterprise Architect - Madrid | BCG Platinion
Boston Consulting GroupMadridAs a Lead IT Architect, you will work closely with clients to understand their issues, define IT strategies, architecture solutions, win buy-in for your……22d - PHP Fullstack senior developerApptiva Core TechnologiesMadrid€27K - €35K (Employer provided)Apptiva Core Technologies, company specialized in SW development, experts in Digital Transformation, Blockchain, IoTs, NFTs, Cloud, every technology based in……30d+
- Senior QA Engineer (100% Remote)Tether.toMadridFocused on preventing defects from reaching end users, Senior QA Engineers collaborate closely with development teams to uphold high standards of usability,……30d
- Project Manager & Business Analyst for CORE Solutions
Allfunds BankMadridWe built and continue to evolve a digital ecosystem that covers the entire fund distribution value chain and investment cycle, with solutions including dealing……30d+ - Crypto Finance Manager
3CommasBarcelonaOwn the monthly close and consolidation across multiple legal entities — from data validation through to the preparation of consolidated financial statements in……19d - IT Project Manager for Funds Dealing & Client IntegrationsAllfunds BankMadridWe built and continue to evolve a digital ecosystem that covers the entire fund distribution value chain and investment cycle, with solutions including dealing……30d+
- AI-Native Software Engineer - Early Career - EuropeChainGPTEspañaYou’ll work closely with the founders and senior engineers, build real features and prototypes, and learn how to use AI agents to move faster than traditional……5d
- Senior Backend Developer - Node.js (Fully Remote, Worldwide)
BitfinexEspañaThe Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order……30d+ - Senior AI Engineer - EuropeChainGPTEspañaAs part of the onboarding process, each new hire is required to complete a Know Your Customer (KYC) verification, sign a Non-Disclosure Agreement (NDA), execute……5d
- Full-Stack Python Engineer
pubGENIUSEspañaYou will work on real client products and internal systems, alongside at least one other developer and with support from senior engineers.…30d+
Rawtech Digital
Senior Blockchain Developer / Web3 Architect
Barcelona
€80K (Employer provided)