Fresh remote Full Stack Developer jobs in Spain

Explore latest remote Full Stack Developer opportunities from leading companies hiring in Spain. 151 jobs posted last 30 days.

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Fresh remote Full Stack Developer jobs in Spain (151) - Page 4

Fullstack Engineer

25 days ago
Full-time
Spain, Worldwide
$136,000 to $200,000 per year
Key requirements: 3 years of experience, Golang, React, Cloud computing (GCP, AWS), Big Data, GraphQL, Mentoring teammates, Performance optimization, Continuous integration (CircleCI, Jenkins)
Atticus

Atticus is a US-based B2C legal services firm specializing in helping individuals access disability benefits and compensation through a user-friendly platform.

Remote policy: Atticus is a fully remote company that empowers employees with flexibility, hiring from various locations to support a diverse team.

Senior AI Product Engineer, Fullstack

25 days ago
Full-time
Spain, Worldwide
$125,000 to $225,000 per year
Key requirements: 5 years of experience, React, TypeScript, Python, Go, AI and LLM ecosystem knowledge, SaaS platform experience, Product ownership, UX design focus, Debugging complex systems
Arize AI

Arize AI is a remote-first B2B company specializing in AI observability, providing a platform for evaluating and monitoring AI models, with offices in New York City and the San Francisco Bay Area, targeting enterprises globally.

Remote policy: Arize AI is a remote-first company, offering flexibility for employees to work from anywhere, with in-person options available in New York City and the San Francisco Bay Area. For remote employees, a work-from-home stipend is provided to support co-working space expenses.

Senior Full Stack Engineer, Matcha

25 days ago
Full-time
Spain, North America, South America, Europe, Africa, Asia, Oceania
$95,000 to $230,000 per year
Key requirements: 5 years of experience, TypeScript, React, Next.js, Web3 tooling, API design, Decentralized finance knowledge, Mentorship, Product analytics
0x

0x is a blockchain/DeFi company headquartered in San Francisco, providing a decentralized exchange infrastructure and developer APIs for web3 builders globally.

Remote policy: 0x supports a remote work environment and hires from various locations, with team members collaborating globally. Employees may need to travel for two annual in-person meetups.

Senior Software Engineer, AI Tools – Tiger Labs

25 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, AI in production, Solid backend skills, PostgreSQL, Go, Python, Developer experience focus, Internal tools development, Open-source contributions, Fast prototyping, Collaboration with product and design
Tiger Data

Tiger Data, headquartered in a cloud environment, is a B2B SaaS provider specializing in high-performance PostgreSQL cloud database solutions for industries like IoT, finance, and healthcare, enabling real-time analytics and intelligent applications.

Remote policy: Tiger Data is a remote-first company, hiring from various locations with a preference for engineers in Europe. Team members collaborate across time zones, ensuring flexibility and inclusivity.

Senior Software Engineer - Quora, Ads (Remote)

25 days ago
Full-time
Spain, Worldwide
$172,279 to $291,466 per year
Key requirements: 5 years of experience, Python, Online advertising experience, Large-scale distributed systems, MySQL, HBase, Memcached, Redis, React, Javascript, Typescript
Quora

Quora is a Mountain View, California-based B2C knowledge-sharing platform that connects users through Q&A and has expanded into AI with its Poe chatbot service, serving a global audience.

Remote policy: Quora is a remote-first company, hiring from various countries around the world. Team members can work remotely while collaborating during coordination hours (Mon-Fri: 9am-3pm Pacific Time). For specific employment eligibility by country, please visit careers.quora.com/eligible-countries.

Senior Software Engineer - Developer Tools, Poe (Remote)

25 days ago
Full-time
Spain, Worldwide
$172,279 to $249,640 per year
Key requirements: 4 years of experience, Python, React, GraphQL, NextJS, Relay, Building developer tools, Large scale web applications, Frontend architecture
Quora

Quora is a Mountain View, California-based B2C knowledge-sharing platform that connects users through Q&A and has expanded into AI with its Poe chatbot service, serving a global audience.

Remote policy: Quora is a remote-first company, hiring from various countries around the world. Team members can work remotely while collaborating during coordination hours (Mon-Fri: 9am-3pm Pacific Time). For specific employment eligibility by country, please visit careers.quora.com/eligible-countries.

Senior Full Stack Engineer - Developer API, Poe (Remote)

25 days ago
Full-time
Spain, Worldwide
$172,279 to $291,466 per year
Key requirements: 5 years of experience, React, Typescript, GraphQL, Python, API design, UI product development, AI enthusiasm, Cross-functional collaboration
Quora

Quora is a Mountain View, California-based B2C knowledge-sharing platform that connects users through Q&A and has expanded into AI with its Poe chatbot service, serving a global audience.

Remote policy: Quora is a remote-first company, hiring from various countries around the world. Team members can work remotely while collaborating during coordination hours (Mon-Fri: 9am-3pm Pacific Time). For specific employment eligibility by country, please visit careers.quora.com/eligible-countries.

Member of Engineering (Full-stack)

25 days ago
Full-time
Spain, North America, Europe
$70,000 to $120,000 per year
Key requirements: React, Svelte, Vue, Electron, Back-end API design, CI/CD pipelines, Containerization, Unit testing, Integration testing, Performance optimization, Typescript, Node.js, Python, Go, Git, Docker, Webpack, npm, Grafana, Datadog, Feature flagging
poolside

Poolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Remote policy: Poolside operates as a remote-first company, hiring team members primarily from Europe and North America, with flexible work arrangements and regular in-person gatherings.

Member of Engineering (Agent Sandboxes)

25 days ago
Full-time
Spain, North America, Europe
Key requirements: Go, C, C++, Python, Distributed systems, Kubernetes, Container orchestration, Virtualization, CI/CD platforms, Fast-paced environment
poolside

Poolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Remote policy: Poolside operates as a remote-first company, hiring team members primarily from Europe and North America, with flexible work arrangements and regular in-person gatherings.

Full Stack AI Engineer

25 days ago
Contract
Spain, Worldwide
$75 to $75 per hour
Key requirements: Python, AI toolkits, Rapid prototyping, Commercial APIs, Open source tools, Low-code tooling, AI agents, Vector databases, Retrieval-augmented generation, Frontend development, Venture-backed startup experience
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.

Founding AI Engineer - Supernal

25 days ago
Full-time
Spain, Europe
$120,000 to $180,000 per year
Key requirements: Python/Django, React/TypeScript, LLM-based agents, RAG pipelines, Fine-tuning models, Web automation, Systems thinking, Fast shipping of product features, Developer-friendly APIs, Structured data extraction
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.

Member of Technical Staff, Engineering

25 days ago
Full-time
Spain, Worldwide
Key requirements: gen AI tools, theoretical physics knowledge, web development, API integrations, software architecture patterns, cloud technologies, strong communication skills
FirstPrinciples

FirstPrinciples is a non-profit research organization developing an AI Physicist to advance fundamental physics research and accelerate scientific discovery.

Remote policy: FirstPrinciples embraces a flexible remote work policy, hiring from various regions to support a diverse team. We welcome applicants from multiple locations, allowing for collaboration across time zones.

Senior Ruby-on-Rails Engineer (Full Remote - Spain)

25 days ago
Full-time
Spain
Key requirements: 5 years of experience, Ruby-on-Rails, Tech scale-up experience, Large-scale product experience, Strong communication, Ownership mindset, User-centricity, Comfort with uncensored content
EverAI

EverAI is a leading AI companionship platform based in a remote-first environment, offering Candy.AI, the world's largest AI girlfriend/boyfriend app, targeting a global B2C market with over 40 million users.

Remote policy: EverAI is a fully remote company, allowing team members to work from anywhere. We embrace a flexible hiring approach, welcoming applicants from various regions.

Senior Ruby-on-Rails Engineer (Full Remote - Europe)

25 days ago
Contract
Spain, Europe
Key requirements: 5 years of experience, Ruby-on-Rails, Tech scale-up experience, Large-scale product experience, Strong communication skills, Ownership and commitment, User-centricity, Comfort with uncensored content
EverAI

EverAI is a leading AI companionship platform based in a remote-first environment, offering Candy.AI, the world's largest AI girlfriend/boyfriend app, targeting a global B2C market with over 40 million users.

Remote policy: EverAI is a fully remote company, allowing team members to work from anywhere. We embrace a flexible hiring approach, welcoming applicants from various regions.

Automation Specialist

25 days ago
Full-time
Spain, Europe
R 400,000 to R 580,000 per year
Key requirements: 4.5 years of experience, JavaScript, Python, Java, React, Angular, Vue, Node.js, SQL, Agile methodologies, Lean, Six Sigma, Google Workspace automation
SmartPA

SmartPA is a global B2B provider of virtual assistant and administrative services, specializing in business administration and outsourcing, with a focus on enhancing operational efficiency for clients across various sectors.

Full Stack Developer - OpenAI/GPT3 Expert / AI/ML Developer

25 days ago
Part-time
Spain, Worldwide
Key requirements: OpenAI, GPT-3, B2B podcasting, AI/ML development, Detail-oriented, Self-direction
Rise25

Rise25 is a B2B podcast production company specializing in helping businesses generate referrals and grow revenue through strategic podcasting, headquartered remotely.

Remote policy: Rise25 embraces a flexible remote work culture, allowing team members to work from various locations around the globe, as long as they meet their job responsibilities.

Senior Full-Stack Software Engineer (Remote)

25 days ago
Full-time
Spain, Europe
$75,000 to $85,000 per year
Key requirements: 7 years of experience, C#, .NET/Core, JavaScript frameworks, Web APIs, SQL Server, TDD, test automation, Azure Cloud
AllBooked

AllBooked by Skedda is a global B2B SaaS venue management platform headquartered within Skedda, specializing in booking solutions for sports venues, studios, and coworking spaces.

Senior Software Engineer, Product Engineering, EU

25 days ago
Full-time
Spain, Europe
Key requirements: TypeScript, React, GraphQL, Node.js, Postgres, Redis, Product ownership, Handling product ambiguity, Customer-focused problem solving, Wireframing, Prototyping
Ashby

Ashby is a San Francisco-based B2B SaaS company specializing in an all-in-one recruiting platform for HR technology, targeting scaling companies and ambitious hiring teams.

Remote policy: Ashby is a fully remote, asynchronous organization with no typical on-site requirements, hiring from various regions including Europe. Team members collaborate across time zones, fostering a flexible work environment.

Design Engineer, EU

25 days ago
Full-time
Spain, Europe
Key requirements: TypeScript, React, GraphQL, Node.js, Postgres, Redis, Design system development, Prototyping in Figma, User-centered design, Collaboration with product and design teams, Building flexible components
Ashby

Ashby is a San Francisco-based B2B SaaS company specializing in an all-in-one recruiting platform for HR technology, targeting scaling companies and ambitious hiring teams.

Remote policy: Ashby is a fully remote, asynchronous organization with no typical on-site requirements, hiring from various regions including Europe. Team members collaborate across time zones, fostering a flexible work environment.

Java Full stack Architect ( Freelance Role - REMOTE )

25 days ago
Contract
Spain, Worldwide
Key requirements: 12 years of experience, Java 17, Spring Boot, Angular, AWS, RESTful APIs, Microservices, Micro-frontends, Project management, Strong communication skills
ADV TECHMINDS

Adv Techminds is a Karimnagar-based IT consulting firm specializing in SAP solutions, operating in the global B2B market.

POWERAPPS DEVELOPER (REMOTE) 3-10 YRS EXP

25 days ago
Contract
Spain, Worldwide
Key requirements: 3 years of experience, PowerApps, Power Automate, SharePoint, SQL Server, Agile methodologies, Business requirements gathering, Technical documentation, Power BI integration, JavaScript, jQuery, CSS, HTML
ADV TECHMINDS

Adv Techminds is a Karimnagar-based IT consulting firm specializing in SAP solutions, operating in the global B2B market.

Full Stack Medusa Developer 5+ ( REMOTE)

25 days ago
Contract
Spain, Worldwide
Key requirements: 5 years of experience, Medusa.js, Next.js, Vue.js, eCommerce development, CMS integrations, TypeScript, Agile environments
ADV TECHMINDS

Adv Techminds is a Karimnagar-based IT consulting firm specializing in SAP solutions, operating in the global B2B market.

Full-Stack Engineer, ML Infrastructure

25 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, Python backend frameworks, GCP/AWS, NoSQL and SQL Databases, Modern frontend frameworks, AV or robotics experience, Building developer facing applications, Big data and ML knowledge, Startup experience
Serve Robotics

Serve Robotics is a B2B hardware robotics company based in the U.S. specializing in self-driving delivery robots for last-mile food delivery, targeting urban markets.

Remote policy: Serve Robotics is open to hiring qualified talent working remotely, with a preference for candidates located in the United States. Team members may be based in various locations, allowing for flexible collaboration.

Software Development Engineer Principal (Full Stack .NET/React) Contract

25 days ago
Contract
Spain, Worldwide
Key requirements: 10 years of experience, C# mastery, .NET Core familiarity, Dependency Injection expertise, Object-oriented programming expertise, Web services development, Microsoft SQL Server proficiency, Unit and integration testing, Source control systems (git), Microsoft Azure familiarity, Docker experience, End-to-end request tracing, OpenAPI Specification familiarity, Design patterns knowledge, Code review leadership, HTML, CSS, JavaScript proficiency, JavaScript frameworks (Angular preferred)
Sagent

Sagent is a fintech SaaS provider transforming the mortgage servicing industry, headquartered in the US, focusing on simplifying homeownership for consumers and serving banks and lenders.

Remote policy: Sagent supports remote work and hires from various locations, allowing team members to work from anywhere while collaborating across time zones.

Software Engineer, Trust & Safety

25 days ago
Full-time
Spain, South America, Europe
Key requirements: 3 years of experience, Node.js, TypeScript, React, Postgres, Clickhouse, AWS, Datadog, real-time enforcement systems, trust and safety experience, system design for safety
Resend

Resend is a B2B SaaS platform headquartered remotely, specializing in modern email API services for developers, enabling scalable transactional email delivery globally.

Remote policy: Resend is a fully remote company with team members across various countries, primarily hiring from regions aligned with Brazilian and European Time Zones (UTC-3 to UTC+2).

Full-stack Engineer - Customer Experience

25 days ago
Full-time
Spain, North America, Europe
$80,000 to $120,000 per year
Key requirements: Svelte, TypeScript, API integration, Rust, Go, Performance optimization, Accessibility, Testing, Observability, Kubernetes
Rerun

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

Remote policy: Rerun is a remote-first company headquartered in Stockholm, Sweden, with team members primarily in European and US-East Coast time zones. While hiring is focused on these regions, candidates from other locations may be considered on a case-by-case basis to ensure effective collaboration.

Software Engineer — Data Stack Tooling

25 days ago
Full-time
Spain, Worldwide
Key requirements: Kubernetes, Docker, S3, Python, Async-python, Temporal.io, React, Dbt, Debugging stateful workflows, Building resilient systems
PostHog

PostHog is a San Francisco-based B2B SaaS platform offering an integrated suite of tools for product engineers to build, test, and analyze software products, with a focus on the global market.

Remote policy: PostHog is a fully remote company with a globally distributed team, currently hiring in time zones between GMT-8 and GMT+2.

Product Engineer

25 days ago
Full-time
Spain, Worldwide
Key requirements: Full-stack experience, Project ownership from 0 to 1, Strong writing skills, Experience in big data, SaaS experience, Django knowledge, TypeScript-based React knowledge, AI product experience
PostHog

PostHog is a San Francisco-based B2B SaaS platform offering an integrated suite of tools for product engineers to build, test, and analyze software products, with a focus on the global market.

Remote policy: PostHog is a fully remote company with a globally distributed team, currently hiring in time zones between GMT-8 and GMT+2.

DevEx Engineer

25 days ago
Full-time
Spain, Worldwide
Key requirements: Python, Django, TypeScript, DevEx experience
PostHog

PostHog is a San Francisco-based B2B SaaS platform offering an integrated suite of tools for product engineers to build, test, and analyze software products, with a focus on the global market.

Remote policy: PostHog is a fully remote company with a globally distributed team, currently hiring in time zones between GMT-8 and GMT+2.

Full Stack Developer JS - EdTech

25 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, TypeScript, React.js, Tailwind CSS, AI integration, Scalable code, Startup experience
Paradox

Paradox is an EdTech company specializing in innovative online learning experiences, leveraging AI to empower personal development and education, with a global reach and remote work culture.

Remote policy: Paradox offers flexible remote work options, allowing employees to work fully remote from anywhere in the world or from our offices in Dubai and Lisbon.