Remote Full Stack Developer jobs open to Spain.

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

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

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.

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.

Python · GCP · Kubernetes

C++, Python, Game engine development, Cross-platform development, Performance-critical software, Game editor extension systems, Cloud technologies (GCP, Docker, k8s), Observability tools (Sentry, Grafana), Facilitating workshops, Technical presentations

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.

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.

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 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.

TypeScript · React · Python

Python, Typescript, React, API design, Platform reliability, ML/GenAI exposure

ElevenLabsElevenLabs 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.

Ruby

3 years of experience, Ruby on Rails, PostgreSQL, REST APIs, Sidekiq, Scalable backend development, Debugging, Performance optimization, Clean code practices

TypeScript · React · Next.js

TypeScript, React, Next.js, PostgreSQL, AI development, Production web app ownership, Schema migrations, Documentation, DevOps, CI/CD, Infrastructure, Observability

TypeScript · React

Typescript + React, Observability and performance optimization, Robust testing and release strategies, CI/CD and DevOps familiarity, AI-assisted tooling experience, Systems-thinking mindset, Collaboration in Agile/Scrum environment

SoSafeSoSafe is a Cologne-based B2B SaaS platform specializing in cybersecurity awareness training and human risk management for enterprises, serving international markets.

TypeScript · Next.js

3 years of experience, TypeScript, Next.js, Postgres, AI-native, Security literacy, CRM/ERP APIs, Integration experience, Product Management

Wingtra AGWingtra AG is a Zürich-based B2B company specializing in high-precision VTOL drones for surveying and mapping, serving global markets in industries such as construction, agriculture, and mining.

TypeScript · JavaScript · React

5 years of experience, React, JavaScript, TypeScript, Node.js, REST APIs, GraphQL, AWS, Docker, CI/CD

JavaScript · Vue · Node.js

What You Bring to the TeamTechnical Background: Proven experience building performant, robust, responsive, and cross-browser compatible Server-Side Rendering (SSR) websites.; Framework Mastery: Hands-on experience with JavaScript frameworks (specifically Nuxt.js, Vue.js, and Node.js) alongside core HTML5 and CSS3.

ProductsupProductsup is a global B2B P2C platform specializing in managing product content journeys for the e-commerce industry, leveraging AI and automation to optimize listings for brands and retailers.

TypeScript · Vue · Node.js

TypeScript, Node.js, Vue 3, API design, Security-minded development, Modern build tools, Isomorphic core packages, Agile communication, Remote work proficiency

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

6 years of experience, C++, Unreal Engine, Networked gameplay, 3D math skills, Gameplay systems development, Cross-platform performance optimization, Game feel understanding, Mentoring programmers, FPP games knowledge

TypeScript · React · GraphQL

4 years of experience, Go, Postgres, React, TypeScript, GraphQL, Product-minded, Comfortable across the stack, Cloud web applications familiarity, Complex data models familiarity, Strong engineering practices experience

3 years of experience, Full-stack or backend proficiency, Custom integrations experience, Technical implementation ownership, Technical discovery sessions, C1+ English proficiency

PearlPearl is a dental AI company specializing in SaaS solutions for dental x-ray analysis, headquartered in an unspecified location, operating in the B2B healthtech industry with a global market presence.

TypeScript · React · Node.js

4 years of experience, React, Node.js, MongoDB, TypeScript, SSR patterns, Module Federation, webpack, automated testing frameworks, CI/CD workflows, performance optimization, accessibility standards

XsollaXsolla is a Los Angeles-based B2B fintech company specializing in payment software and commerce solutions for the global video game industry.