Remote Full Stack Developer jobs open to Spain.

TypeScript · Next.js · Python

CET/EET ±2h time zone, backend depth, Python or Golang, Kubernetes, TypeScript/NextJS, AI coding tools

Namecheap IncNamecheap provides domain registration, web hosting, managed WordPress, email, and website security services.

TypeScript · React · Angular

4+ years backend, Java or Groovy, Micronaut or Spring Boot, TypeScript with Angular or React

SeqeraSeqera develops open-source and cloud software, including Nextflow and Seqera Platform, for scalable data analysis in life sciences.

React · Vue · Python

1.5 years of experience, Python, Kotlin, React, Vue, Declarative UI frameworks, Mobile application development, Code review, Debugging, Collaboration with product management, Agile methodology

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

React · Vue · Python

4 years of experience, React, Vue, Python, Kotlin, React Native, Technical planning, Code quality, Communication skills, Team leadership

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

TypeScript · React · Node.js

5+ years software development, Node.js, React, TypeScript, shipped AI features, English B2+

5Blue Software5Blue Software provides custom software development, staff augmentation, and AI solutions for startups and mid-sized companies.

TypeScript · React · PHP

AI-native, PHP/Laravel, TypeScript/React, Outcome-driven, Strong horizontal partner, Deep skill in at least one stack, Decisive and documented, Customer- and pro-minded

LawnStarterLawnStarter is an Austin-based B2C online platform specializing in lawn care and outdoor services, connecting homeowners with local professionals across over 120 metro areas nationwide.

TypeScript · React · Go

5+ years full-stack, shipped dApps, viem/wagmi, smart wallets, Golang and TypeScript, React, English B2

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

TypeScript · JavaScript · React

Python, React, JavaScript, Java, Node.js, Rust, Golang, TypeScript, Cross-language development, End-to-end troubleshooting, Complex debugging, Code review and validation, Technical problem-solving

Weekday AIWeekday provides AI-assisted candidate sourcing and recruiting services for employers.

TypeScript

Good-fit criteria (not every box required): 5+ years as a Software Engineer with TypeScript/Node across backend and frontend; shipped and operated agentic or LLM-based software in production; designed agent tools, context, prompts, state, streaming and loops with a framework/runtime; used evaluations, regression sets, tracing and user feedback; evaluates emerging agent techniques; contributes product direction through data and customer contact. Hands-on LLM development is strongly preferred; knowledge of the full stack is not required.

LedgyLedgy is a Switzerland-based fintech B2B company specializing in equity management software for international teams, with offices in Zurich and London.

Python · Kubernetes

Python, Backend development, Software design patterns, Cloud infrastructure, Test design, Security fundamentals, Authentication/authorization experience, Kubernetes, Internal platform development

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Rust

Rust, Backend engineering, System reliability, Scalable systems, UI systems design, Data pipelines, Project leadership, Professional editing tools

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Forward-deployed or solutions engineering at B2B startup, full-stack, APIs & SSO, European time zones

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.