Fresh remote Full Stack Developer jobs in Spain

Explore latest remote Full Stack Developer opportunities from leading companies hiring in Spain. 53 jobs posted last 30 days.

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Fresh remote Full Stack Developer jobs in Spain (53)

Fullstack Developer - Agentic AI

2 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

4 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

4 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

4 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

5 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

6 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

6 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

6 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

6 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

6 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

7 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

7 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)

8 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

8 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.

Tech Programmer

9 days ago
Full-time
Spain
Key requirements: 2 years of experience, C#, Unity, Software development, Data structures, Algorithms, Software design, CI software, Game industry knowledge, Effective communication, Team player
Ubisoft

Ubisoft is a French video game developer and publisher headquartered in Saint-Mandé, specializing in AAA titles for global consumers in the B2C gaming industry.

AI Product Engineer (Remote | PKR Salary | Open worldwide)

9 days ago
Full-time
Spain, Worldwide
Key requirements: 4 years of experience, AI product development, LLM integrations, SaaS product architecture, React / Next.js, Node or Python, Deploying production systems, AI-assisted coding tools, Architectural thinking, High independence, High accountability
HR Ways

HR Ways is a global technical recruitment firm headquartered in Pakistan, specializing in connecting IT talent with software houses and IT product companies across multiple countries.

Remote policy: HR Ways embraces a fully remote work model, hiring globally from various regions including Pakistan, Canada, the US, the UK, and more, allowing team members to collaborate across time zones.

Full Stack Developer (Javascript)

9 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, JavaScript, TypeScript, Next.js, GraphQL, React, TailwindCSS, PostgreSQL, MySQL, Playwright, Cypress, Git, GitHub, 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.

Senior Full Stack (Node/React) DF010LG

9 days ago
Full-time
Spain, Worldwide
Key requirements: React, Node.js, PostgreSQL, Offline-First Engineering, RESTful API design, Web security best practices, Agile collaboration, Startup mindset, Problem-solving
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.

Mid-level Software Developer - Remote in Spain

9 days ago
Full-time
Spain
Key requirements: 5 years of experience, TypeScript, Generative AI tools, SOLID principles, Agile Methodologies, Functional programming, Analytical skills, Communication skills, Technical consulting
Stack Builders

Stack Builders is a Pittsford, NY-based B2B software consultancy specializing in custom software development and technology consulting, serving a diverse range of clients globally.

Remote policy: Stack Builders is a fully remote company with a flexible hiring approach, welcoming team members from various locations around the world. Collaboration may require overlapping hours with the US Eastern timezone (UTC-5).

Senior Full Stack Engineer (.NET & Vue/React) - Fully Remote, Canada Time GMT-6

10 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, .NET Core, Vue, C#, GraphQL, MongoDB, Docker, AWS, Azure, Google Cloud, Test-Driven Development, Domain-Driven Design, Web security best practices, Performance optimization, Agile methodologies
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.

Gameplay Engineer | North America | Canada | Europe | Fully Remote

10 days ago
Full-time
Spain, North America, Europe
Key requirements: C/C++, Unreal Engine 4/5, AAA title experience, Gameplay mechanics architecture, Strong math skills, Analytical problem-solving, Game design critique, Creativity in problem-solving, Excellent communication skills
Escape Velocity Entertainment Inc

Escape Velocity Entertainment is a fully remote gaming studio based in Orlando, FL, specializing in innovative video game development for a global audience.

Remote policy: Escape Velocity Entertainment Inc is a fully remote studio that supports team members from various regions, including North America, Canada, and Europe, prioritizing autonomy in work style without strict time zone requirements.

Senior Fullstack Engineer (Golang + PHP + React.js) - Freelance

10 days ago
Contract
Spain, Europe
€37.50 to €37.50 per hour
Key requirements: Golang, PHP, React.js, CIAM solutions, Auth0, AWS Cognito, Legacy Monolith Architectures, Microservices migration
Netguru

Netguru is a Poznań-based B2B software development and consultancy company specializing in custom software, product design, and digital solutions for global startups and corporations.

Remote policy: Netguru supports fully remote work for roles, primarily hiring candidates residing in the EU. Team members collaborate across various time zones, ensuring flexibility and a diverse work environment.

AI Automation Engineer

12 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Python, JavaScript/TypeScript, LLM APIs, prompt engineering, automated evaluations, orchestration frameworks, RAG architectures, vector databases, workflow platforms, Google Cloud Platform (GCP), AI Coding assistants, data security practices, BigQuery, CI/CD pipelines
Bestow

Bestow is a life insurance SaaS platform headquartered in Dallas, specializing in B2B solutions for life insurance carriers to modernize their operations and enhance customer experiences.

Remote policy: Bestow supports flexible remote work and hires from various locations, with team members working remotely or from our office in Dallas, Texas.

Staff Software Engineer

12 days ago
Full-time
Spain, Worldwide
$121,458 to $187,333 per year
Key requirements: 10 years of experience, JavaScript, TypeScript, Node.js, React, Java, Python, SQL, MongoDB, AI integration, Autonomy in software development, AI-assisted development tools
PatientPoint

PatientPoint is a Cincinnati-based digital health B2B company operating the largest point-of-care network in the U.S., delivering behavior-changing health content and patient engagement solutions to healthcare providers.

Staff Software Engineer

13 days ago
Full-time
Spain, North America, Europe, Asia, Oceania, Middle East
$176,000 to $196,000 per year
Key requirements: 8 years of experience, TypeScript, Python, Rust, Browser extensions, Event streaming, Data pipelines, High-throughput ingestion, Security tools
Obsidian Security

Obsidian Security is a Boston-based B2B SaaS provider specializing in comprehensive cloud security solutions for enterprises, focusing on SaaS Security Posture Management to protect against modern threats.

Remote policy: Obsidian Security supports a hybrid work model, hiring from various regions including the U.S., EMEA, UK, and Australia, with team members working remotely or commuting to offices as needed.

Agentic Full-Stack Developer + IT Operations

13 days ago
Contract
Spain, Europe
Key requirements: 3 years of experience, Agentic coding workflows, TypeScript, React, Next.js, System architecture from conversation, Security-first mindset, Wiring up third-party APIs, Self-directed
Arktura

Arktura is a US-based B2B manufacturer of innovative architectural wall and ceiling panels, specializing in custom solutions for large-scale projects in the architectural industry.

Senior Software Engineer II (Node.js and Angular)

14 days ago
Full-time
Spain, Worldwide
$100,000 to $150,000 per year
Key requirements: Node.js, Angular, Microservice architecture, Kubernetes, AWS, MySQL or MariaDB, MongoDB, Automated testing practices, Agile development
CloudTalk

CloudTalk is a Bratislava-based B2B SaaS company offering an AI-powered call center platform designed for sales and customer support teams, serving a global market.

Remote policy: CloudTalk supports remote work and offers flexible arrangements, including fully remote or hybrid options. While the company operates globally, specific hiring locations are not explicitly defined.

Senior AI-Enabled Full-Stack Developer

14 days ago
Full-time
Spain, Worldwide
Key requirements: 7 years of experience, Next.js, TypeScript, AI tool integration, Postgres/MySQL, CI/CD automation, Comprehensive testing, User-first product design, Scalable architecture design, Asynchronous collaboration, AI-driven development workflows
HostPapa

HostPapa is a Canadian-based web hosting company offering B2B and B2C solutions, including shared, reseller, and VPS hosting services, with a focus on small businesses and a global presence.

Remote policy: HostPapa offers remote work opportunities and hires from various locations, with team members and customers in 39 countries around the globe.

Remote Software Engineer/ PHP Developer

15 days ago
Full-time
Spain, Worldwide
$3,500 to $4,000 per month
Key requirements: 4 years of experience, PHP, JavaScript, React, Node.js, Object-oriented programming, Linux command line, Scalable web applications, RESTful APIs, Microservices, SQL/NoSQL, Cassandra, MongoDB, Redis, RabbitMQ, Docker, AWS, Elastic Search, AI/ML technologies
Lavendo

Lavendo is a San Francisco-based B2B recruitment firm specializing in placing top sales professionals for startups in the technology and business development sectors.

Remote policy: Lavendo is based in San Francisco, CA, and primarily focuses on U.S. sales recruiting. While specific remote work policies are not detailed, the company may offer flexibility for remote roles, particularly for candidates who can align with U.S. working hours.

Senior Full-Stack SWE

16 days ago
Full-time
Spain, Worldwide
$100,000 to $250,000 per year
Key requirements: 5 years of experience, Next.js 13+, TypeScript, Tailwind CSS, AI SDKs, LLM integration, autonomous agent development, scalable architecture, high-speed environments, measurable business impact
The Growth Partner

The Growth Partner is a talent acquisition and growth advisory firm specializing in recruiting commercial leaders for scale-ups and corporations, operating in the B2B space.