Fresh remote Full Stack Developer jobs in Spain

Explore latest remote Full Stack Developer opportunities from leading companies hiring in Spain. 43 jobs posted last 30 days.

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Fresh remote Full Stack Developer jobs in Spain (43)

Senior Full Stack Engineer - Data & Analytics

about 24 hours ago
Full-time
Spain, Worldwide
Key requirements: 4 years of experience, Python, SQL, React, AI and LLM tools, Data modeling, End-to-end data workflows, Data quality, Healthcare datasets, Analytics engineering tools, AWS services
Prompt

Prompt is a healthcare technology company based in the US, offering B2B automated EMR software solutions for outpatient rehab organizations.

Remote policy: Prompt supports a remote/hybrid work environment and is hiring from various regions, allowing team members to work flexibly across time zones.

Software Engineer III, Editing

2 days ago
Full-time
Spain, Canada, United Kingdom, Singapore, Germany, India, Netherlands, Mexico, Italy, Brazil, Poland, Colombia, Switzerland, South Africa, Indonesia, Kenya, Morocco, Ghana
$95,164 to $148,729 per year
Key requirements: 2 years of experience, JavaScript, PHP, Algorithms, Data structures, Rich-text editor experience, Open-source contribution, Multilingual code writing
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.

Full Stack Engineer

3 days ago
Full-time
Spain, Europe, Asia
Key requirements: TypeScript, Golang, Crypto interest, Production-grade frontends, High-performance back-ends, Self-direction, Prototyping ability
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.

Mid-Level Full Stack Data Engineer

3 days ago
Full-time
Spain, North America, Europe, Asia, Middle East
$120,000 to $170,000 per year
Key requirements: 3 years of experience, Python, Java, C#, Node.js, Electron integration, Data ingestion pipelines, RESTful API development, Data modeling, Agile development
Agile Defense

Agile Defense is a Reston, VA-based B2B information technology company specializing in cybersecurity, data analytics, and digital transformation solutions for national security and civilian government sectors globally.

Remote policy: Agile Defense, Inc. supports hybrid work arrangements and hires remotely from various regions, including North America, Europe, Asia, and the Middle East, with team members located in diverse areas.

Senior Full Stack Engineer

3 days ago
Full-time
Spain, North America, Europe, Asia, Middle East
$130,000 to $170,000 per year
Key requirements: 7 years of experience, Electron, Backend frameworks (Java, Python, Node.js, C#/.NET), Frontend frameworks (React, Angular), Client-server architecture, Structured data formats (JSON, XML, CSV), Agile/Scrum environments, Debugging and performance optimization
Agile Defense

Agile Defense is a Reston, VA-based B2B information technology company specializing in cybersecurity, data analytics, and digital transformation solutions for national security and civilian government sectors globally.

Remote policy: Agile Defense, Inc. supports hybrid work arrangements and hires remotely from various regions, including North America, Europe, Asia, and the Middle East, with team members located in diverse areas.

Senior Software Engineer (Analysis)

4 days ago
Full-time
Spain, Worldwide
$120,000 to $200,000 per year
Key requirements: 3 years of experience, Rust, Go, Typescript, Haskell, SaaS product experience, End-to-end feature ownership, Performant SQL, AI coding tools, Observability tooling, Problem-solving, Mentorship
FOSSA

FOSSA is a San Francisco-based B2B SaaS platform specializing in software supply chain management for open source software, with a distributed team across multiple countries.

Remote policy: FOSSA embraces a distributed work model, hiring remotely from various countries and supporting team members across multiple time zones.

Full Stack Developer (Javascript)

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

Product Engineer (UI-Focused) — Horizon

9 days ago
Full-time
Spain, Worldwide
$100,000 to $150,000 per year
Key requirements: 5 years of experience, TypeScript, React, MCP knowledge, AI/LLM tooling, User flow design, Information architecture, Full-stack coding, Strong product judgment, Collaboration skills
Prefect

Prefect is a remote-first technology company specializing in Python-based workflow orchestration for data engineering and machine learning, operating as a B2B SaaS platform with a focus on global data teams.

Remote policy: Prefect is a remote-first company, hiring from various locations and supporting team members globally, with a preference for candidates based in regions such as New York and the Bay Area.

Technical Lead, Full-Stack & AI Platforms

9 days ago
Full-time
Spain, Worldwide
Key requirements: 8 years of experience, AI architecture, Cloud-native applications, Large Language Models (LLMs), TypeScript, React, Node.js, Azure, Technical leadership, Solution architecture, XR platform development, Integration patterns
Aequilibrium Software Inc.

Aequilibrium Software Inc. is a Vancouver-based B2B technology consulting firm specializing in custom software solutions for FinTech and Immersive Learning, supporting digital transformation for businesses globally.

Remote policy: Aequilibrium Software Inc. is a fully remote organization, hiring globally with team members located around the world. Candidates outside of Canada will work as independent contractors.

Full Stack Engineer - Radiance

10 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, Full-Stack Web Development, React / Next.js, Node.js / Python, REST + GraphQL, Systems Thinking, Data Modeling, Workflow Automation, AI / LLM Implementation, Shipping Mentality, Building platforms from zero to v1
Infinity

Infinity is a no-code work management SaaS platform that specializes in project management and team collaboration, operating in the B2B sector.

Remote policy: Labrynth operates on a remote-first model, supporting fully remote work with flexible hours. The team collaborates primarily across Americas time zones and includes members from various regions globally.

Senior Software Engineer - Full Stack Internal Tooling (Build and Deployment Platform)

10 days ago
Full-time
Spain, Worldwide
$190,800 to $267,100 per year
Key requirements: 5 years of experience, Kubernetes, CI/CD tools, React, Component-based frameworks, Backend systems, API design, User experience design, Deployment workflows, Observability tools, Developer experience
Reddit

Reddit is a San Francisco-based B2C social news aggregation platform that connects diverse communities through user-generated content, primarily generating revenue via advertising and premium subscriptions.

Remote policy: Reddit is a remote-friendly company that supports flexible work arrangements, hiring from various locations including the Netherlands and the United Kingdom, with team members collaborating across time zones.

Senior Fullstack Engineer (Trip Management)

10 days ago
Full-time
Spain
Key requirements: PHP, Node.js, AI tools, Event-driven architecture, Domain-Driven Design, CI/CD pipelines, React, React Native, RESTful API design, Observability practices
Exoticca

Exoticca is a Miami-based online travel agency specializing in affordable, handcrafted vacation packages for global travelers, focusing on immersive experiences in the travel and tourism industry.

Remote policy: Exoticca offers 100% remote work opportunities, specifically hiring within Spain. Team members collaborate across various time zones, ensuring flexibility and support for a diverse workforce.

Fullstack Developer

10 days ago
Full-time
Spain, Europe
Key requirements: 3 years of experience, C#, ASP.NET, .NET Framework, Microsoft SQL Server, Availability to work during CET business hours
Partner One Capital

Sr. Software Engineer - React Native - Pro

11 days ago
Full-time
Spain, Europe, Brazil, Argentina
Key requirements: 6 years of experience, React Native, JavaScript/TypeScript, API design, Trading/crypto mobile applications, Next.js, WebSockets, UI/UX best practices, Frontend testing frameworks, Native mobile app development
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

12 days ago
Full-time
Spain, Sweden
Key requirements: C++, Mobile game development, Ownership of systems/features, Collaboration across disciplines, Design reusable systems
King

King is a leading interactive entertainment company headquartered in Stockholm, specializing in mobile gaming with iconic titles like Candy Crush, serving over 200 million monthly active users globally.

Senior Python Software Engineer, ML Developer Tools - EMEA Remote

12 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, Python, Architecting complex Python projects, JavaScript or TypeScript, React or Svelte, Open-source contributions
Hugging Face

Hugging Face is a New York City-based AI and machine learning platform providing SaaS tools for model sharing and collaboration, targeting both B2B and B2C markets globally.

Remote policy: Hugging Face supports remote work and has a distributed team, with flexible working hours and options for employees to work from various locations, including the opportunity to visit offices in New York City and Paris.

JR256 - Senior Full-Stack (.NET + React) Developer, (insurance, Zor.)

12 days ago
Full-time
Spain, Europe
Key requirements: 4 years of experience, C#, .NET Core, React, Azure microservices, OAuth 2.0, Kubernetes, Docker, RESTful APIs, CI/CD, Unit Testing, DDD, MS SQL
Eleks

ELEKS is a Tallinn-based B2B custom software engineering and consulting company, providing full-cycle development services across industries such as finance, healthcare, and logistics, with a global presence.

Remote policy: ELEKS supports remote work and hires from various regions, including Eastern Europe and North America, with team members located in countries such as Ukraine, Poland, Germany, and the United States. Specific roles may have hybrid requirements or travel expectations.

Senior Full-Stack (.NET + React) Developer, Technical/ Team Lead, (insurance, Zor.)

12 days ago
Full-time
Spain, Europe
€60,000 to €90,000 per year
Key requirements: 7 years of experience, C#, ASP.NET Core, React, Azure microservices, OAuth 2.0, Kubernetes, Docker, RESTful APIs, CI/CD, Unit Testing, Domain Driven Design, MS SQL, API management, Technical leadership, Insurance experience
Eleks

ELEKS is a Tallinn-based B2B custom software engineering and consulting company, providing full-cycle development services across industries such as finance, healthcare, and logistics, with a global presence.

Remote policy: ELEKS supports remote work and hires from various regions, including Eastern Europe and North America, with team members located in countries such as Ukraine, Poland, Germany, and the United States. Specific roles may have hybrid requirements or travel expectations.

Graduate Software Engineer, Open Source and Linux, Canonical Ubuntu

13 days ago
Full-time
Spain, Worldwide
Key requirements: Python, Rust, C/C++, Golang, JavaScript, Linux experience, Open source contributions, Personal projects in technology, High academic performance, Ability to travel internationally
Canonical

Canonical is a London-based B2B open-source software company specializing in Ubuntu and providing commercial support services to global enterprises in sectors like cloud, IoT, and data science.

Remote policy: Canonical is a remote-first company hiring globally, with team members located in over 70 countries. While most roles are remote, candidates may need to be situated in specific geographical regions such as the Americas, EMEA, or APAC for certain positions.

Software Developer - Remote

13 days ago
Contract
Spain, Worldwide
Key requirements: 1 years of experience, Python, Rust, GoLang, Java, Node.js, Scalable software systems, Remote collaboration, CI/CD pipelines, Problem-solving, Cloud platforms (AWS, GCP, Azure)
CONFISA INTERNATIONAL GROUP

Confisa International Group is a Pembroke Pines, Florida-based professional services firm specializing in retained executive search and human resources solutions for B2B clients across multiple industries globally.

Remote policy: Confisa International Group supports remote work for certain roles, with current hiring focused on candidates located in the USA. The company has a global reach, operating across multiple continents including Europe, Africa, Asia, and the Americas.

Senior Software Engineer

13 days ago
Full-time
Spain, Europe
£100,000 to £130,000 per year
Key requirements: Core Java, Test-Driven Development, Pair programming, Continuous integration, Performance optimization, Behavior-Driven Development, Domain-Driven Design
MLabs

MLabs is a remote fintech company specializing in DeFi solutions, providing a unified API for financial institutions to access on-chain liquidity across major blockchains.

Remote policy: MLabs supports remote work for positions located within the EMEA region, allowing for flexible hours and a remote-first environment.

Senior Full Stack AI Native Developer

13 days ago
Full-time
Spain
Key requirements: Javascript/Typescript, AI Agents with Claude SDK, LangGraph + LangFuse, RESTful APIs with NextJS/Express, PostgreSQL & BigQuery, GCP, Deep API Integration, Problem-Solving Mindset, Passion for AI, Very High Agency
leadtech

Leadtech is a Barcelona-based B2B online innovation technology company specializing in creating and managing digital products and services for the global online business community.

Remote policy: Leadtech offers a flexible work environment, allowing employees to choose between working fully remote or from our Barcelona office, where we foster creativity and collaboration.

Senior Software Engineer | Remote | AI SaaS Software Role

16 days ago
Full-time
Spain, North America, Europe
$100,000 to $150,000 per year
Key requirements: 7 years of experience, Scala, React, AI coding tools, SaaS product development, Multi-session workflows, System design, Agent-driven development, Async communication
Process Street

Process Street is a San Francisco-based B2B SaaS startup specializing in compliance operations and workflow automation for global enterprises across various industries.

Remote policy: Process Street embraces a fully remote work culture, with team members distributed across various time zones. We welcome applicants from diverse regions, fostering a collaborative environment that values flexibility and autonomy.

Software Engineer - Applied Science

17 days ago
Full-time
Spain, Worldwide
Key requirements: Pricing algorithms, Auction mechanisms, Marketplace economics, Data science, Causal modeling, Experimentation frameworks, TypeScript, Node/NestJS, MongoDB, Postgres, Analytical investigations
Clipboard

Clipboard Health is a US-based healthcare staffing SaaS platform connecting professionals with facilities for flexible shift work, emphasizing socio-economic mobility and rapid payments.

Remote policy: Clipboard Health is a fully remote company with a global team, hiring from various locations around the world to support flexible work arrangements.

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

18 days ago
Full-time
Spain, Europe, Africa
Key requirements: 6 years of experience, .NET Core, Vue, C#, GraphQL, MongoDB, Docker, AWS, Azure, Google Cloud, Test-Driven Development (TDD), Domain-Driven Design (DDD), 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.

Software Engineer (Remote)

19 days ago
Full-time
Spain, Worldwide
$132,000 to $165,000 per year
Key requirements: Python, React, Redux, PostgreSQL, AWS, AI/ML integration, Cloud architecture, Data pipelines, Observability, Modular backend design, Proactive communication
PolicyMe

PolicyMe is a Toronto-based B2C insurtech startup specializing in digital life, critical illness, and health & dental insurance solutions for the Canadian market.

Remote policy: PolicyMe is a remote-first company based in Toronto, Canada, supporting flexible work arrangements. We welcome applications from various regions, allowing team members to work remotely while also offering the option to collaborate in our Toronto office.

Senior Full Stack Engineer, AI Builder

19 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, AI integration, Production systems, Real AI experience, Node.js, TypeScript, Nest.js, Vue, GraphQL, MongoDB, AWS, Strong fundamentals, Communication skills
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.

全栈工程师, JavaScript/TypeScript (Full Stack Engineer) (Remote)

21 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, NodeJS, ReactJS, NestJS, ExpressJS, GraphQL, MongoDB, MySQL, Selenium, Cypress, Puppeteer
BJAK

BJAK is a Malaysia-based insurtech B2C and B2B platform specializing in vehicle insurance, recognized as the largest insurance portal in Southeast Asia, serving the ASEAN market.

Remote policy: BJAK offers fully remote roles, allowing team members to work from anywhere, with a focus on creating an inclusive and flexible work environment.

Full-Stack Developer

22 days ago
Full-time
Spain, Europe
Key requirements: 3 years of experience, React, Node.js, NoSQL, Docker, High traffic websites, Clean code, Clean architecture, JavaScript, TypeScript, Performance optimization
Kodify

Kodify is a technology company specializing in software solutions, including AI-driven automation and text formatting tools, operating as a B2B service provider with a focus on the online entertainment sector.

Remote policy: Kodify offers flexible work arrangements, allowing for fully remote positions or the option to work from their Barcelona office, with team members potentially located in various regions.

Expert Engineer - Full-Stack

22 days ago
Full-time
Spain, Germany, Italy, Portugal
Key requirements: 6 years of experience, Kotlin/Java, React/JS, Spring Boot, Terraform, Github Actions, REST APIs, Microservices, AWS, AI-assisted development tools, System design, Architectural leadership
Jimdo

Jimdo is a Hamburg-based SaaS company specializing in AI-powered website building tools for small businesses and e-commerce, serving a global market.

Remote policy: Jimdo operates as a fully remote-first company, hiring from various regions, primarily focusing on Europe and Asia, with team members located in over 15 countries.