Remote Full Stack Developer jobs open to Spain.

TypeScript · React · Kubernetes

5 years of experience, Go, TypeScript, React, Web3 libraries, Smart wallets, dApps, PostgreSQL, Redis, Kafka, RabbitMQ, NATS, Solidity, Docker, Kubernetes, Datadog, AI coding tools, zkSync, Gaming domain experience

XsollaXsolla is a Los Angeles-based B2B fintech company specializing in payment software and commerce solutions for the global video game industry.

TypeScript

Good-fit criteria (not every box required): 5+ years as a Software Engineer with TypeScript/Node across backend and frontend; shipped and operated agentic or LLM-based software in production; designed agent tools, context, prompts, state, streaming and loops with a framework/runtime; used evaluations, regression sets, tracing and user feedback; evaluates emerging agent techniques; contributes product direction through data and customer contact. Hands-on LLM development is strongly preferred; knowledge of the full stack is not required.

LedgyLedgy is a Switzerland-based fintech B2B company specializing in equity management software for international teams, with offices in Zurich and London.

Python · Kubernetes

Python, Backend development, Software design patterns, Cloud infrastructure, Test design, Security fundamentals, Authentication/authorization experience, Kubernetes, Internal platform development

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Product ownership, Deep system understanding, Excellent product judgement, Autonomous work, Interest in music

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

TypeScript · React · Figma

React/TypeScript, Zero-to-one product ownership, Collaboration with designers (Figma), Cross-functional shipping, Pragmatic decision-making, Music or audio experience, Media-heavy interface development, Working with ML models

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Production APIs, Product decomposition mindset, Proactive ownership, Cross-functional collaboration, Music and AI enthusiasm

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Rust

Rust, Backend engineering, System reliability, Scalable systems, UI systems design, Data pipelines, Project leadership, Professional editing tools

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Full-stack engineering, Frontend development, Backend services, Developer-facing products, API dashboards, User feedback utilization, Product data analysis, Experimentation for product improvement, Developer experience enthusiasm

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Forward-deployed or solutions engineering at B2B startup, full-stack, APIs & SSO, European time zones

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

TypeScript · React · Python

Remote in Ireland or Spain, production Python, PostgreSQL, AWS infrastructure, React/TypeScript and Golang

ProofpointProofpoint provides cybersecurity and compliance software focused on email, data, cloud, and human risk.

GCP

Google Cloud, Cloud Infrastructure, Cloud Architecture, DevOps, Cybersecurity, Data Engineering, AI-related technical fields

Productive PlayhouseProductive Playhouse is a California-based global data and language-services company specializing in transcription, localization and AI evaluation.

TypeScript · React

Not open in France, Italy or Germany, 3+ years mobile and web apps, React and React Native, TypeScript, Web3

MetaMaskMetaMask is a self-custodial financial platform that allows users to hold, spend, save, and grow both crypto and traditional assets.

TypeScript · Vue · Python

5 years of experience, Vue.js + TypeScript, Python + Django, AI product integration, Complex platform experience, Remote work proficiency, UI/UX design, Fintech or mortgage background

TalentuchTalentuch recruits SAP, Microsoft Dynamics, and other IT specialists for client companies.

React · Node.js · Python

React, gRPC, Node.js or Python, full-stack web apps, API integrations, web performance and accessibility

EmaEma is an AI technology company specializing in enterprise automation through its Universal AI Employee platform, operating on a B2B model and focused on enhancing workflows for businesses.

TypeScript · Node.js · PHP

TypeScript/Node.js, PHP/Laravel, Stripe & PayPal integration, AWS, on-call rotation

ThriveCartThriveCart provides cart, checkout, affiliate management and course-hosting tools that help creators, coaches and online businesses sell digital products.

TypeScript · Node.js · PHP

6+ years engineering, 1-2 years as lead, TypeScript/Node.js, PHP/Laravel, shipped AI product features

ThriveCartThriveCart provides cart, checkout, affiliate management and course-hosting tools that help creators, coaches and online businesses sell digital products.

Python

Python, End-to-end ownership, Client-facing communication, Full-stack development, Cloud infrastructure, AI-powered development, Production-minded development, Business thinking, Self-management, Timezone flexibility

AE StudioAE Studio is a custom software development and design agency specializing in AI integration and data science, operating as a B2B provider for clients ranging from startups to Fortune 10 companies.

TypeScript · JavaScript · Node.js

5 years of experience, JavaScript, TypeScript, Node.js, AWS, AI application patterns, LLM-powered features, AI observability, Production AWS, REST/API design, Ownership mindset, English B2

WildixWildix is a Tallinn-based B2B UCaaS provider specializing in AI-powered VoIP and collaboration solutions for businesses across 135+ countries.

JavaScript · React · SQL

7 years of experience, .NET Core, ReactJS, C#, JavaScript, HTML, CSS, SQL, NoSQL, AWS, Azure, Google Cloud, Microservices, Docker, Kubernetes

Unity, AI focus, Social gaming

TypeScript · JavaScript · Vue

5 years of experience, JavaScript, TypeScript, Vue.js, PHP, RESTful APIs, Mobile-first web experiences, Cross-platform integration, Accessibility, Performance optimization, Self-driven delivery, Knowledge sharing

Wikimedia FoundationThe Wikimedia Foundation is a San Francisco-based nonprofit organization providing free, multilingual educational content through its wiki-based projects, including Wikipedia, targeting a global audience.

Open-source engineering, full-stack/API design, SDKs ideal, technical writing

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

TypeScript · Java · Go

5 years software, TypeScript/C# or Java/Rust/Golang, business logic, 3h EST overlap, 35h/week overseas

VelixoVelixo is a Montreal-based B2B SaaS provider specializing in Excel-based reporting and automation solutions for ERP systems, serving a global market across various industries.

TypeScript · JavaScript · React

4 years of experience, Java, Spring Boot, RESTful services, JavaScript, TypeScript, React, Microservices, Distributed systems, High-scale applications, SQL/NoSQL databases, Redis, Kafka, AWS, Docker, Kubernetes, CI/CD

TypeScript · JavaScript · React

7 years of experience, Java, Spring Boot, RESTful services, JavaScript, TypeScript, React, Fire TV IAP integration, microservices, high-scale applications, AWS, Kafka, Redis, system design, high concurrency, mentoring engineers

Java · Kotlin · AWS

4 years of experience, Android development, Go, Java, Fire TV, Kotlin, REST APIs, Microservices, AWS, Spring Boot, Redis, Kafka

TypeScript · React · Next.js

5+ years software development, TypeScript, React, Next.js, backend APIs, daily AI coding tool use

vidIQvidIQ builds data-driven and AI-powered tools that help YouTube creators grow their channels.