Fresh remote Full Stack Developer jobs in Spain

Explore latest remote Full Stack Developer opportunities from leading companies hiring in Spain. 57 jobs posted last 30 days.

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Fresh remote Full Stack Developer jobs in Spain (57)

Senior Software Engineer, Full Stack

about 10 hours ago
Full-time
Spain, Worldwide
$150,000 to $200,000 per year
Key requirements: 7 years of experience, Go, React, TypeScript, Frontend polish, Backend performance, Customer experience, AI integration
Customer.io

Customer.io is a Canada-based B2B SaaS platform specializing in customer engagement and marketing automation, designed for early and mid-stage companies.

Remote policy: Customer.io is a remote-first company that supports remote work, with hiring available for roles in various regions, including the Americas.

Commerce Cloud Developer (B2C) | Remote Europe

about 10 hours ago
Full-time
Spain, Europe
€50,000 to €70,000 per year
Key requirements: 4 years of experience, Salesforce Commerce Cloud B2C (SFRA), Salesforce Core (Sales/Service Cloud), JavaScript, ISML, API integrations, GIT, Apex (Triggers, Classes), Lightning Web Components (LWC)
Vortech PCI Group S.L.

Vortech PCI Group S.L. is a Barcelona-based B2B IT services and consulting company specializing in software development, SAP ERP solutions, and automation technologies for local and international enterprises.

Remote policy: Vortech PCI Group S.L. offers fully remote positions, primarily hiring candidates based in Spain, with additional opportunities in Portugal and India. Fluency in Spanish is typically required, aligning with the company's operational hours.

Senior Fullstack Software Engineer - JavaScript / TypeScript

1 day ago
Full-time
Spain, Worldwide
$100,000 to $130,000 per year
Key requirements: 3 years of experience, Typescript, Angular, JavaScript, Node.js, AWS, AI integration, AI API development, CI/CD automation, Mentoring on AI practices, Compliance standards for AI
Rithum

Rithum is a B2B e-commerce SaaS platform that enables brands and retailers to optimize their multi-channel operations, headquartered in an unspecified location, serving a global market.

Remote policy: Rithum embraces a remote-first work culture, allowing team members to work from various locations. While specific hiring regions are not disclosed, the company supports a flexible approach to remote work.

Google Cloud Data Engineer

1 day ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, PHP, MySQL, JavaScript, React, Angular, Docker, Kubernetes, Cloud-native architectures, CI/CD workflows, Secure coding principles
NMI

NMI is a global fintech B2B company specializing in secure payment gateway and processing solutions for SMBs and fintech startups.

Remote policy: NMI embraces a remote-first culture, allowing team members to work primarily from home while supporting occasional in-person responsibilities at their UK office. They hire from various regions, fostering a flexible work environment.

Fullstack Engineer - Monetisation

2 days ago
Full-time
Spain, United Kingdom, Poland, Portugal, Romania, South Africa
Key requirements: Typescript, Node.js, Google Cloud Platform, Algorithmic pricing experience, Experimentation platform development, Marketplace or platform experience, Deep understanding of database structures, Cloud native experience, React, React Native (bonus)
MoonPay

MoonPay is a Miami-based fintech company specializing in cryptocurrency payment infrastructure and NFT transactions, serving a global market with B2C and B2B solutions.

Remote policy: MoonPay supports remote work and hires from various regions, with team members located in cities such as London, Barcelona, and Cape Town, among others. The company operates globally, allowing for collaboration across time zones.

Senior Full Stack Engineer (Web3 Product Innovation)

3 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, 0→1 product development, Hands-on experience in crypto/Web3, Experience with blockchain-specific tech, AI/ML applications in production, Strong product sense, High-growth startup experience, Self-driven with a bias for action, Excellent communication skills
Trust Wallet

Trust Wallet is a leading B2C multi-chain, non-custodial cryptocurrency wallet enabling users to manage over 10 million digital assets, headquartered remotely with a global user base.

Remote policy: Trust Wallet operates as a fully remote company, hiring globally with team members working from various countries. Candidates must have the right to work in their respective locations.

Software Engineer, AI (JavaScript)

3 days ago
Contract
Spain, Worldwide
$30 to $70 per hour
Key requirements: 3 years of experience, JavaScript, Strong code-review instincts, Attention to detail, Excellent written communication, Enjoy reading documentation
G2i

G2i is a U.S.-based B2B SaaS platform specializing in connecting companies with top engineering talent, including software engineers and AI specialists.

Remote policy: G2i is a fully remote company hiring engineers for contract roles worldwide, with team members located in various regions such as LATAM, Europe, and Canada.

Full Stack Developer (Javascript)

3 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, JavaScript, TypeScript, Next.js, GraphQL, React/Context API, TailwindCSS, PostgreSQL, MySQL, Git, Playwright, Cypress, Jest, React Testing Library, Authentication solutions
Codekeeper

Codekeeper is a remote-first SaaS provider based in The Hague, specializing in software escrow solutions for B2B clients, including enterprises and government organizations.

Remote policy: Codekeeper is a remote-first company with a central office in The Hague, supporting a flexible work environment for team members across various regions.

Founding Engineer

4 days ago
Full-time
Spain, Worldwide
Key requirements: Full stack development, TypeScript in production, AI-assisted development, Supabase or PostgreSQL expertise, Experience with AI/LLM APIs, Early-stage startup experience, Interest in creator economy, Clear written communication
Coreli

Coreli is a digital marketing SaaS company specializing in customizable landing pages for social media creators, headquartered remotely, and operating in a B2C model targeting the global creator economy.

Remote policy: Coreli is a remote-first company, welcoming applicants from various locations, with a preference for candidates in the UK or EST time zones for collaboration.

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

4 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, .NET Core, C#, GraphQL, MongoDB, Docker, JavaScript, Vue, AWS, Azure, Google Cloud, Test-Driven Development (TDD), Domain-Driven Design (DDD), Web security best practices, Performance optimization, Agile methodologies, Cross-functional collaboration
CoverGo

CoverGo 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.

Remote policy: CoverGo embraces a 100% remote work culture, fostering an international environment with team members from various regions. We welcome applications from candidates around the world, promoting collaboration across time zones.

Full Stack Developer

5 days ago
Full-time
Spain, Worldwide
$80,000 to $120,000 per year
Key requirements: 5 years of experience, C#, Python, ReactJS, .NET Core, Postgres, MongoDB, AI-DLC, Test Driven Development, Component based frameworks
Gorilla Commerce

Gorilla Commerce is a Westport, CT-based B2C e-commerce company specializing in high-quality, affordable home and pet products, leveraging a data-driven approach to product development.

Remote policy: Gorilla Commerce adopts a remote-first approach, allowing flexible work arrangements for team members. While specific hiring locations are not detailed, the company supports collaboration across various regions.

Developer Relations Engineer

7 days ago
Full-time
Spain, Europe, Asia
Key requirements: Solidity, EVM development, Frontend interface development, Prototyping, Demo creation, AI-native working habits, Independent thinking
Improbable

Improbable is a London-based B2B technology company specializing in large-scale simulation platforms and Web3 innovations for the gaming and metaverse industries.

Remote policy: Improbable is a remote-first company offering flexible work arrangements across Europe and Asia, with team members collaborating across various time zones.

Senior Software Engineer - Full-stack - Growth Product

8 days ago
Full-time
Spain, Canada, United Kingdom, Singapore, Germany, Ireland, Mexico, Brazil, United Arab Emirates, Poland, Portugal, Romania, Switzerland, Australia, Lithuania, Czechia
Key requirements: 5 years of experience, Full-stack applications, TypeScript, Rust, Go, Python, Ruby, React, React Native, Distributed systems, Performance optimization, Secure software design, Product mindset, Autonomous operation in remote environment
Kraken

Kraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

Remote policy: Kraken is a fully remote company with team members in over 70 countries, hiring globally to support a diverse workforce across various regions.

Senior Full Stack Engineer - AI

8 days ago
Full-time
Spain, Worldwide
Key requirements: Go, LLMs / AI systems, React / React Native, Crypto / web3 experience, AI-driven product mindset, System design and architecture, Performance and scalability, Security in AI + wallet context
Trust Wallet

Trust Wallet is a leading B2C multi-chain, non-custodial cryptocurrency wallet enabling users to manage over 10 million digital assets, headquartered remotely with a global user base.

Remote policy: Trust Wallet operates as a fully remote company, hiring globally with team members working from various countries. Candidates must have the right to work in their respective locations.

0to1 Engineer

8 days ago
Contract
Spain, Worldwide
$200,000 to $227,250 per year
Key requirements: Python, TypeScript, Open source AI stack, AI-assisted development tools, Prototyping for developer tools, Community engagement, Strong written communication
Mozilla

Mozilla is a Mountain View, California-based non-profit organization that develops open-source software, including the privacy-focused Firefox browser and Thunderbird email client, targeting global consumers.

Remote policy: Mozilla embraces a flexible remote work environment and hires globally, with team members located in various regions, including the United States. We welcome applications from diverse locations to support our mission of building an open and accessible internet.

Senior Mobile & Full Stack Engineer DF010LG

8 days ago
Full-time
Spain, Worldwide
Key requirements: React Native, PostgreSQL, Node.js, Express.js, RESTful APIs, JavaScript, TypeScript, Vite, Tailwind CSS, Shadcn UI, Web security best practices
Coderio

Coderio is a remote-first B2B tech company specializing in IT staff augmentation and scalable digital solutions for global businesses.

Remote policy: Coderio is a remote-first company that values talent regardless of location, hiring from various regions to support a collaborative international team.

Fullstack Developer - Agentic AI

10 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, ReactJS, C#/.NET, Python, AI-assisted coding tools, Fullstack development, SaaS experience, Proactive ownership, Clean code design, Fluency in English
Shift Technology

Shift Technology is a Boston-based B2B SaaS platform specializing in AI solutions for the insurance industry, focusing on fraud detection, claims handling, and underwriting optimization for global insurers.

Remote policy: Shift Technology offers flexible remote and hybrid working options, welcoming applications from diverse locations and cultures, with team members from over 50 countries.

Fullstack Engineer - TypeScript - Custody

12 days ago
Full-time
Spain, United Kingdom, Germany, Ireland, Poland, Portugal
Key requirements: 5 years of experience, TypeScript, Node.js, Microservices, Event-driven architectures, RESTful APIs, SQL databases, React, Next.js, Docker, Crypto protocols, Financial systems
Kraken

Kraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

Remote policy: Kraken is a fully remote company with team members in over 70 countries, hiring globally to support a diverse workforce across various regions.

Senior Software Engineer – Agent Systems

12 days ago
Full-time
Spain, Canada, United Kingdom, Germany, Ireland, Mexico, Brazil, United Arab Emirates, Poland, Portugal, Romania, Switzerland, Lithuania, Czechia
Key requirements: 5 years of experience, AI/ML systems, Inference pipelines, Backend services architecture, Fullstack systems, Prototyping for production, Systems thinking, 0→1 environment experience
Kraken

Kraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

Remote policy: Kraken is a fully remote company with team members in over 70 countries, hiring globally to support a diverse workforce across various regions.

Forward Deployed Engineer - Software Engineer

12 days ago
Full-time
Spain, Worldwide
Key requirements: Python, Customer collaboration, Software architecture, APIs integration, Problem-solving, Communication
ElevenLabs

ElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

Remote policy: ElevenLabs embraces a remote-first culture, allowing team members to work from various locations globally, with options to collaborate in offices located in New York, London, and Warsaw.

Software Engineer, Reporting & Insights

13 days ago
Full-time
Spain, Worldwide
€21,000 to €25,000 per year
Key requirements: 3 years of experience, Python, Django, Vue.js, MySQL, RESTful APIs, Git, Analytical databases, Data-heavy SaaS applications
Muck Rack

Muck Rack is a Miami-based SaaS platform specializing in media monitoring and public relations tools for B2B clients in the global communications industry.

Remote policy: Muck Rack is a fully remote company with a distributed team, hiring from various regions globally. While we support remote work, there may be specific limitations on hiring locations based on job function.

Senior Shopify Integration Engineer (React / Customizer) – Contract

14 days ago
Contract
Spain, Worldwide
Key requirements: 5 years of experience, Shopify Plus, React.js, Custom application integration, Shopify Storefront API, Cross-application communication, Shopify cart and checkout flows, JavaScript, Web security
Tech Holding

Tech Holding is a Los Angeles-based B2B consulting firm specializing in professional services and managed solutions for cloud transformation and technology integration across various industries.

Remote policy: Tech Holding supports remote work opportunities and hires from various regions globally, allowing flexibility for team members to work from different locations.

Software Engineer - Console

14 days ago
Full-time
Spain, Worldwide
Key requirements: TypeScript, Kotlin, Go, AWS, API design, Full-stack systems, Event-driven architectures, Infrastructure as code, User experience appreciation, Security product experience
XBOW

XBOW is a remote-based B2B SaaS company specializing in AI-powered penetration testing solutions for the cybersecurity industry, targeting organizations in need of advanced security measures.

Remote policy: XBOW operates as a fully remote company, with all team members working remotely. While specific hiring locations are not detailed, the company supports collaboration through regular meetings and travel for in-person interactions.

Software Engineer - AI Systems

14 days ago
Full-time
Spain, Worldwide
Key requirements: LLM prompting, Agentic orchestration, TypeScript, Production-grade software, Performance testing frameworks, Offensive security experience, Open-source contributions, Ph.D in machine learning
XBOW

XBOW is a remote-based B2B SaaS company specializing in AI-powered penetration testing solutions for the cybersecurity industry, targeting organizations in need of advanced security measures.

Remote policy: XBOW operates as a fully remote company, with all team members working remotely. While specific hiring locations are not detailed, the company supports collaboration through regular meetings and travel for in-person interactions.

Software Engineer III, Fundraising Tech

14 days ago
Full-time
Spain, Canada, United Kingdom, Singapore, Germany, France, India, Netherlands, Mexico, Italy, Brazil, Poland, Colombia, Switzerland, South Africa, Indonesia, Kenya, Morocco, Ghana
$92,267 to $118,045 per year
Key requirements: 2 years of experience, PHP, LAMP, MySQL, JavaScript, Payments-related code, Open-source software architecture, CiviCRM, MediaWiki, High security software development
Wikimedia Foundation

The 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.

Remote policy: The Wikimedia Foundation is a remote-first organization, hiring globally from various countries including the United States, Canada, and many others across different continents. Team members collaborate across time zones, supporting a diverse and inclusive workforce.

Software Engineer III, Fundraising Tech

14 days ago
Full-time
Spain, Canada, United Kingdom, Singapore, Germany, France, India, Netherlands, Mexico, Italy, Brazil, Poland, Colombia, Switzerland, South Africa, Indonesia, Kenya, Morocco, Ghana
$92,267 to $118,045 per year
Key requirements: 2 years of experience, PHP, LAMP environments, Payments-related code, Open-source software architecture, JavaScript/HTML/CSS, MySQL, Third-party web API integration, CiviCRM
Wikimedia Foundation

The 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.

Remote policy: The Wikimedia Foundation is a remote-first organization, hiring globally from various countries including the United States, Canada, and many others across different continents. Team members collaborate across time zones, supporting a diverse and inclusive workforce.

Demo Engineer - Venture Business

15 days ago
Full-time
Spain, Europe, Asia
Key requirements: Solidity, EVM development, Rapid prototyping, Frontend interface building, AI tools usage, Idea generation
Improbable

Improbable is a London-based B2B technology company specializing in large-scale simulation platforms and Web3 innovations for the gaming and metaverse industries.

Remote policy: Improbable is a remote-first company offering flexible work arrangements across Europe and Asia, with team members collaborating across various time zones.

Senior Software Engineer, Fullstack

15 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, TypeScript, Node.js, Postgres, AWS, Elasticsearch, User-facing product experience, AI-native product development
Vannevar Labs

Vannevar Labs is an Arlington, VA-based B2B software company specializing in national security solutions, particularly in computer vision and natural language processing, serving U.S. defense and intelligence agencies.

Remote policy: Vannevar Labs is a fully remote company that hires globally, allowing employees to work from various locations, including the U.S. and beyond, without specific time zone requirements.

Product Engineer - DoiT Labs(Poland)

16 days ago
Full-time
Spain, United Kingdom, Netherlands, Ireland, Portugal, Sweden
$70,000 to $100,000 per year
Key requirements: 5 years of experience, AI-first mindset, Hands-on experience building AI/ML-powered product features, Strong full-stack engineering capability, Solid understanding of public cloud platforms, Product-oriented thinking, Comfort with ambiguity and fast-changing priorities, Strong customer empathy and communication skills
DoiT

DoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

Remote policy: DoiT International is a fully remote company, hiring globally with team members in various regions including the East Coast US, UK, Ireland, and Spain, facilitating collaboration across time zones.

Senior Fullstack Engineer (TypeScript), AI Engineering: Editor Extensions

16 days ago
Full-time
Spain, Worldwide
$100,000 to $150,000 per year
Key requirements: TypeScript, Node.js, Kotlin, JetBrains IDEs, Language Server Protocol, Vue 3, AI-assisted developer tooling
GitLab

GitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

Remote policy: GitLab is a fully remote company that hires globally, with team members located in over 65 countries. We embrace flexibility in scheduling to accommodate various time zones.