Remote Full Stack Developer jobs open to Spain.

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 project experience, SDK development, Full-stack engineering, API design, Technical content creation

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.

React · Python

5+ years Python, JS/TS with React/Svelte, open-source core contributor, Python frameworks, library adoption

Hugging FaceHugging Face hosts machine learning models, datasets, and apps and develops open-source tools for AI builders.

TypeScript · Node.js

5 years of experience, TypeScript, modern frontend frameworks, Node.js, custom Design Systems, unit and E2E testing, UI/UX principles, startup or scaleup experience

bunchbunch builds integrated infrastructure for private markets, combining secure data systems, AI-powered workflows, and fund services.

Python

Enterprise SaaS administration (1,000+ seats), Python or comparable language, Integrating LLM and SaaS APIs, Identity and access management (Okta, OAuth, SCIM, SSO), Operational discipline (intake queues, SLAs), Teaching ability for technical concepts, Clear written communication for documentation, Judgment on capability needs

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

Ruby

3 years of experience, AI coding agents, Clear writing, Agile web development, TDD, Refactoring, Ruby on Rails, ClickHouse, MCP server design, Ad tech background

Magellan AIMagellan AI provides an audio advertising intelligence platform for brands, agencies, and publishers, focusing on measurement and attribution tools.

JavaScript · React · Vue

6 years of experience, .NET Core, C#, GraphQL, MongoDB, Docker, Javascript, Vue.js, React.js, AWS, Azure, Google Cloud, Microservices, Test-Driven Development, Domain-Driven Design, Web security best practices, Performance optimization, Agile methodologies

CoverGoCoverGo is a global insurtech B2B SaaS platform headquartered in Silicon Valley, specializing in no-code solutions for health, life, and P&C insurance, with a strong focus on digitizing operations for insurers and banks.

JavaScript · PHP · SQL

PHP 8, Laravel, JavaScript, CSS, HTML, Debugging, Incident response, Root-cause analysis, Relational databases, SQL, Git, CI/CD, Autonomous work, Professional English (B2+)

Intel 471Intel 471 is a Wilmington, DE-based B2B cybersecurity company specializing in SaaS-based cyber threat intelligence solutions for enterprises and government agencies worldwide.

TypeScript · React

React Native, TypeScript, React Navigation, design system component libraries, Jest, React Native Testing Library, push notifications, deep linking, device API, English B2+

NetguruNetguru designs and builds digital commerce platforms, marketplaces, and software for brands.

Rust

Rust, Interactive data visualization, Real-time applications, UI skills, Comfort with ambiguity, Great communication skills

RerunRerun is a Stockholm-based B2B open source data platform specializing in Physical AI, providing an SDK for logging and visualizing multimodal data streams.

AI feature shipping, Production software operation, Product conversation skills, Remote work autonomy, DevTools experience

ChecklyCheckly is a remote-first B2B SaaS platform specializing in application reliability, offering testing, monitoring, and observability solutions for engineering teams globally.

JavaScript · Python · GCP

5 years of experience, Cloud-native technologies (GCP preferred), Kubernetes, ArgoCD, Terraform, GitHub, Python, JavaScript, Go, Technical leadership, Internal Developer Platforms, Cost optimization

MozillaMozilla is a family of mission-driven organizations behind Firefox, Thunderbird, open-source AI tools and public-interest technology initiatives.

TypeScript · React · Python

Python, Typescript, React, API design, Platform reliability, ML/GenAI exposure

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

Ruby

3 years of experience, Ruby on Rails, PostgreSQL, REST APIs, Sidekiq, Scalable backend development, Debugging, Performance optimization, Clean code practices

PavagoPavago is a remote talent marketplace connecting businesses with pre-vetted professionals.

TypeScript · React · Next.js

TypeScript, React, Next.js, PostgreSQL, AI development, Production web app ownership, Schema migrations, Documentation, DevOps, CI/CD, Infrastructure, Observability

PavagoPavago is a remote talent marketplace connecting businesses with pre-vetted professionals.

TypeScript · React

Typescript + React, Observability and performance optimization, Robust testing and release strategies, CI/CD and DevOps familiarity, AI-assisted tooling experience, Systems-thinking mindset, Collaboration in Agile/Scrum environment

SoSafeSoSafe is a Cologne-based B2B SaaS platform specializing in cybersecurity awareness training and human risk management for enterprises, serving international markets.