Remote Full Stack Developer jobs open to Spain.

Spain? Yes. $$$? When they say. Stack? Before the essay.

21 openings. None older than 30 days.

Newest first

Software Engineer

about 8 hours ago
salary not disclosedopen to Spain + South America + EuropeFull-time

TypeScript · PHP · AWS

TypeScript, PHP, Stripe, PayPal, AWS, Docker, MariaDB, Redis, GitHub Actions CI/CD, AI coding tools

ThriveCartThriveCart is a leading B2B SaaS platform based in the creator economy, specializing in e-commerce solutions for digital entrepreneurs and coaches, with a unique one-time payment model.

Senior Software Engineer (AI Driven) - Curveglass

1 day ago
salary not disclosedopen to WorldwideSeniorFull-time

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.

Software Developer - Remote

1 day ago
€48,000 to €60,000 per yearopen to Spain + North America + South America + EuropeFull-time

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.

Software Engineering (speculative)

3 days ago
salary not disclosedopen to Spain + EuropeFull-time

Unity, AI focus, Social gaming

Lockwood PublishingLockwood Publishing Ltd develops and publishes Avakin Life, a mobile social virtual world and life-simulation game.

Senior Software Engineer, Core Experiences (Contract)

4 days ago
USD 56.07-87.13 (US range; period unclear in source)open to Spain + United States + Canada + United Kingdom + Singapore + Germany + India + Netherlands + Mexico + Italy + Brazil + Poland + Colombia + Switzerland + South Africa + Indonesia + Kenya + Morocco + GhanaSeniorContract

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.

Developer Experience Engineer

5 days ago
salary not disclosedopen to Spain + Europe + United StatesFull-time

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

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

Senior Software Engineer (Typescript, Business Logic Intensive)

5 days ago
salary not disclosedopen to WorldwideSeniorFull-time

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.

Full Stack Engineer - Web + Java

6 days ago
salary not disclosedopen to WorldwideContract

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

Proximity WorksProximity Works is a global AI engineering company specializing in AI-native technology and custom software solutions for B2B clients in sectors like sports, media, and FinTech, with a fully remote workforce.

Senior Full Stack Engineer - Web + Java

6 days ago
salary not disclosedopen to WorldwideSeniorContract

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

Proximity WorksProximity Works is a global AI engineering company specializing in AI-native technology and custom software solutions for B2B clients in sectors like sports, media, and FinTech, with a fully remote workforce.

Senior Full Stack Engineer - Android + Go/Java

6 days ago
salary not disclosedopen to WorldwideSeniorContract

Java · Kotlin · AWS

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

Proximity WorksProximity Works is a global AI engineering company specializing in AI-native technology and custom software solutions for B2B clients in sectors like sports, media, and FinTech, with a fully remote workforce.

Senior Open-Source Python Engineer, ML Developer Tools - EMEA Remote

10 days ago
salary not disclosedopen to Spain + Europe + Africa + Middle EastSeniorFull-time

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.

(Senior) Full-Stack Engineer | Frontend-leaning | Platform Team | Remote Spain

12 days ago
salary not disclosedopen to SpainSeniorFull-time

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.

AI Platform Engineer, Enablement and Governance Operations

13 days ago
salary not disclosedopen to Spain + Canada + United Kingdom + Ireland + Mexico + Brazil + United Arab Emirates + Poland + Portugal + Argentina + Romania + Chile + Sweden + Colombia + Switzerland + South Africa + Bulgaria + Lithuania + Czechia + PeruFull-time

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.

Roblox Developer

14 days ago
$30 to $45 per houropen to WorldwideFull-time

6 years of experience, Luau, Roblox Studio, Roblox API, DataStores, MemoryStoreService, GitHub, Rojo, Cross-platform delivery, Gameplay optimization, Object-Oriented Programming, Client coordination

Sawhorse ProductionsSawhorse Productions is a Los Angeles-based creative studio specializing in branded content, interactive experiences, motion graphics, VFX, animation, and digital storytelling.

Full Stack Developer

15 days ago
salary not disclosedopen to WorldwideFull-time

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.

Senior Full Stack Engineer (.NET & Vue/React) - Fully Remote, Canada Time

15 days ago
salary not disclosedopen to WorldwideSeniorFull-time

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.

PHP Engineer (Europe, Remote)

16 days ago
salary not disclosedopen to Spain + Europe12-month B2B contract

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.

Software Engineer (Rust)

18 days ago
salary not disclosedopen to Spain + Europe + United StatesFull-time

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.

Senior Product Engineer (DevTools & AI reliability)

20 days ago
€79,000 to €105,000 per yearopen to Spain + United Kingdom + Germany + France + Netherlands + Ireland + Italy + Poland + Portugal + Belgium + Malta + Romania + Ukraine + Sweden + Finland + Denmark + Austria + Greece + Bulgaria + Lithuania + Czechia + CroatiaSeniorFull-time

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.

Senior Software Engineer, Cloud Engineering

20 days ago
salary not disclosedopen to WorldwideSeniorFull-time

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.

Full-Stack Engineer - Creative Studio

21 days ago
salary not disclosedopen to WorldwideFull-time

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.