42 remote full stack engineer roles open to candidates in Spain, 2 added this week, all at fully remote, VC-backed startups. 5 name Spain specifically, 12 are open worldwide, and the rest hire across the EU. Most asked-for skills: TypeScript, React and Node.js. Matcha reads every posting daily and emails you only the ones that fit.
Describe your next role, cut the noise
42 open roles · 1 new this week · 80% not on LinkedIn
Clear, scalable compliance verification to prevent fraud in regulated industries.
Own end-to-end platform features for sportsbook and casino products; must have full-stack experience with Python, React, TypeScript, Next.js/TanStack, APIs, data pipelines, CI/CD, security/compliance (AML, KYC, privacy); global team, mentors others.
Remote from the US, Spain, Mexico, or India; also offices in Boston, Barcelona, Monterrey, and Indore.
People and Company Intelligence
Own self-serve product and internal customer-support tools for people/company data APIs; 5–7+ years, 4+ years Python, 2+ years React/TypeScript, REST APIs, SQL, cloud, Docker, CI/CD; bonus: Elasticsearch/OpenSearch, Vercel, Figma; stock
Remote anywhere
AI IoT predictive maintenance for smarter lifts, fire safety, and doors.
Own full-stack problems end-to-end for building-maintenance and IoT software; remote in Europe/UK, English required; 5+ years, TypeScript, modern backend architecture, production ownership; bonus: React Native, ops-heavy domains, AI workflows, IoT/telemetry, developer tooling; 20-person ProdEng team
Remote Europe and United Kingdom only
AI IoT predictive maintenance for smarter lifts, fire safety, and doors.
Own end-to-end product engineering for building-maintenance and IoT workflows; remote Europe, English required; 5+ years, TypeScript, modern backend architecture, full-stack ownership, production software; bonus: React Native, ops-heavy domains, AI workflows, developer tooling, IoT/telemetry/time-series; reports to VP Eng
Remote Europe only
Defuse Labs enables AI-driven, automated cross-chain transactions via NEAR Intents.
Own end-to-end product design for a crypto/fintech platform spanning web, mobile, conversational UX, and AI agents; 7+ years; Figma, prototyping, design systems, fintech/crypto or consumer finance, blockchain/wallets/DeFi/cross-chain; bonus: analytics, experimentation, HTML/CSS/React; startup mode
Remote anywhere
Real-time AI risk platform for fraud, compliance, underwriting.
Own end-to-end investigator tools for fraud detection, including graph visualizations and search over data-intensive systems; TypeScript, Node.js, React, Go, big-data apps, technical data modeling, production data pipelines; startup environment; equity
Remote in the United Kingdom or Europe; must keep a home base in the country you're hired in
Enterprise AI platform for hybrid human-AI teams boosting efficiency.
Own front-end architecture for an AI governance product turning agent output, risk signals, and knowledge-graph relationships into usable interfaces; remote in Europe timezone; must have strong frontend fundamentals, product/UX judgment, full-stack basics, AI coding tools fluency; bonus: regulated domains, graph visualization, Go/Python
Remote in Europe timezone
Direct, auditable energy marketplace enabling renewable energy transactions.
Own architecture-heavy full-stack systems for renewable energy deal origination and new product launches; remote Europe/UK with core hours; Python, AWS serverless, event-driven systems, startup product delivery; bonus: energy/fintech, pricing engines; Series B, equity.
Remote Europe and United Kingdom only
We’re on a mission to improve the health of millions.
Own front-end-heavy full-stack development for zoe.com in consumer health; must have right to work in UK, Ireland, Spain, Poland or Germany, no visa sponsorship, work across UK/CET; 3–5 years, TypeScript, React, Next.js, backend language, APIs/databases; bonus: design systems, A/B testing, WCAG, GraphQL, Kotlin/Python
Remote UK, Ireland, Spain, Poland or Germany only; right to work required, no visa sponsorship
Adaptive strategic portfolio management platform bridging strategy and execution.
Own maintenance and reliability of Jira Data Center BI connectors exporting to BI tools; English B2+; 3+ years, Java, Spring, SQL, React, TypeScript, Redux/state management, testing, GitHub Actions; bonus: Atlassian apps, BI/OData, performance, secure coding, cloud migration
Remote only from Poland, Ireland, Portugal, Romania, Slovakia, Spain, or Ukraine
Base360.ai: AI operating system for B2C brands, spun out of The Flex rentals operator.
Own end-to-end product engineering for an AI operating system in short-term rentals; React, TypeScript, Python, FastAPI, APIs, databases, integrations, cloud architecture; bonus: hospitality/property management, multi-tenant SaaS, AI agents, event-driven, Supabase, AWS serverless; small team, work closely with founders.
Remote worldwide except US/Canada; explicitly open across Europe, UK, MEA, APAC, and Peru.
Infrastructure for bitcoin, energy, and capital since 2010.
Own end-to-end fullstack and internal AI tooling for a Bitcoin mining fleet-management platform; English required; TypeScript/Node/NestJS plus modern SPA, PostgreSQL/SQL, LLM shipping experience, Git/Docker/CI, distributed systems, REST/gRPC, testing, debugging; bonus: Rust, Python, frontend performance, crypto
Fully remote (or Prague office), employee or freelance; international team, no stated country limits
End-to-end private markets platform enabling funds, investors, data-driven collaboration.
Own frontend-leaning full-stack platform features and design system for private-markets fund operations software; quarterly trips to Berlin; 5+ years, TypeScript, modern frontend frameworks, Node.js, design systems, Vitest/Playwright; bonus: fintech, zod, data viz; Series B, equity
Remote Spain only
Turns studies into evidence, enabling decisive, competitive business impact.
Early engineering hire at a well-funded startup building generative-AI cybersecurity software; owns customer-facing product features end to end from React UI through API and database; dedicated ownership of an API layer powering the React app; works in a fast-paced B2B SaaS environment with high autonomy and architectural input, with room to grow into frontend architecture ownership; requires 6+ years building production full-stack applications, strong depth in both frontend and backend, performant REST API development, B2B SaaS experience, and database/query optimization intuition; must: strong TypeScript/React, scalable API architecture experience; bonus: Python/FastAPI, Kubernetes/EKS, Temporal, PostgreSQL tuning, LLM application integration, Tailwind/TanStack/shadcn/ui/Radix UI, cloud/IaC, design systems/component libraries
Remote Europe only
Interoperable healthcare care-orchestration platform for outpatient providers.
Own end-to-end healthcare ecosystem integrations and automation across a TypeScript monorepo; remote in UK/EU within ±2 hours GMT, occasional London/Paris travel; 5+ years, React, TypeScript, Node.js, REST/GraphQL, MongoDB/NoSQL, CI/CD, testing, AWS/cloud; bonus: HL7/FHIR, Workato, Terraform/CDK, Datadog.
Remote UK and EU only, within ±2 hours of GMT; occasional travel to London or Paris.
Work productivity tools: Toggl Track time tracking and Toggl Plan management.
The ideal candidate has significant experience building and shipping production web applications with deep knowledge of JavaScript, TypeScript, React, and backend fundamentals. You must be comfortable working in a remote, autonomous environment and possess strong English communication skills.
Remote worldwide if your main location is between UTC-4 and UTC+4.
Europe's fastest-growing refurbished marketplace, sustainable and affordable.
The role requires significant experience in full-stack development with proficiency in Go, PostgreSQL, Redis, and modern frontend technologies like Vue. Candidates must possess a strong understanding of distributed systems, API design, and a commitment to writing clean, maintainable code.
Remote in European time zones only
Intelligent requirements management AI saving millions in manufacturing quoting.
Candidates must have 2+ years of experience shipping production code across backend and frontend. You must be based in Germany with the right to work and have experience with statically typed languages and modern web technologies.
Fully remote from Germany only; must be based in Germany with right to work there.
AI-powered, collaborative retirement planning for individuals, sponsors, and advisors.
Requires 4+ years of professional software engineering experience with a strong focus on backend frameworks and relational databases. Proficiency in React/TypeScript and experience building robust, webhook-driven third-party API integrations is essential.
Remote full-time; no specific region restrictions stated.
AI-powered defense platform delivering targeting, planning, and deterrence at edge.
Requires 7+ years of software engineering experience with strong backend expertise in languages like Python or Java and proficiency in full-stack development using React and Node.js. Must have deep knowledge of identity and authentication protocols such as OAuth 2.0, OIDC, and SAML.
Remote-friendly; no stated regional restrictions. Travel may be required for clearance-related user visits.
Adaptive strategic portfolio management platform bridging strategy and execution.
Requires 5+ years of commercial software experience, specifically with TypeScript, React, and Java or Kotlin. A degree in Computer Science or a related field is expected, along with experience in scalable distributed systems and cloud infrastructure.
Remote Canada, Ireland, Portugal, Spain, or UK.
MIT-backed startup building home biomarker testing platform for early detection.
Requires over 5 years of experience in full-stack production software development with a proven track record of leading projects or teams. Candidates must have hands-on experience with AI coding tools, designing SDLC practices, and scaling distributed systems on cloud platforms like AWS.
Remote not specified; no geographic restrictions mentioned in posting.
Global digital intelligence platform measuring consumer behavior across apps, web, gaming.
Requires an experienced C# developer proficient in SQL and occasionally Ruby, with a preference for those comfortable with Javascript and React. Candidates should align with core values of simplicity, quality, and extreme ownership.
Remote from Krakow, Poland (Europe).
Global digital intelligence platform measuring consumer behavior across apps, web, gaming.
Candidates must be experienced C# and SQL developers with some familiarity with Ruby. Proficiency in Javascript and React is considered a significant advantage.
Remote in Warsaw, Poland (Europe).
Cold outreach tips, strategies, and the best tactics used by over 37,000 users to generate millions every month.
Requires over 8 years of experience in TypeScript and JavaScript with proficiency in Node.js, React, and MongoDB. Candidates must be fluent in French and English and based within the French timezone (+/- 2h).
Remote from France/Europe timezone (French timezone ±2h); role evolves from Senior Developer to Tech Lead after 3-6 months.
AI sales agents automate CRM, analyze deals, coach reps.
Requires 4+ years of full-stack experience with strong proficiency in Ruby on Rails (or similar backend frameworks) and Vue.js. Must be fluent in English and located within the UTC+0 to UTC+5 timezone.
Remote EU only; timezone UTC+0 to UTC+5.
AI powered growth system automates B2B client acquisition and outreach.
Requires 4+ years of production experience with React, Next.js, and TypeScript, along with a proven track record of building real-world LLM applications. Proficiency in Postgres and serverless infrastructure is essential.
Remote Europe; Portugal allowed; fully remote.
AI powered growth system automates B2B client acquisition and outreach.
Requires 4+ years of experience with React, Next.js, and TypeScript, along with a proven track record of building real-world LLM applications. Proficiency in Postgres and serverless infrastructure is essential.
Remote worldwide; work from anywhere with no regional restrictions.
Automated shelf scans cut costs, boost availability, and increase sales.
Requires over 6 years of professional software development experience with at least 3 years in Python and React/TypeScript. Candidates must be fluent in Polish and English and be comfortable working in a fast-paced, ownership-driven environment.
Remote Poland only; must be based in Poland and align with global team hours.
Multilingual, customizable survey platform for businesses, researchers, and educators.
Requires solid programming skills in PHP frameworks and experience with B2B, SaaS, or Dev Tools. Candidates should have a getting-things-done mentality and a preference for contributing to open-source projects.
Remote EU (Germany); flexible hours; option to work remotely or from Hamburg office.
Cybersecurity startup delivering a platform to manage security programs.
Candidates should have 5+ years of fullstack software development experience, particularly in Go and JavaScript/TypeScript. Strong experience in building production APIs and user interfaces is essential, along with solid debugging skills across the full stack.
Remote worldwide; US hires may require E-Verify; non-US hires via EOR per location.
Biotech lab software platform building infrastructure for AI-driven scientific discovery.
Candidates should have experience taking a product from idea to production and possess strong product judgment. Familiarity with AWS services, Next.js, Spring Boot, and exposure to AI technologies is preferred.
Remote worldwide; open to candidates globally with strong collaboration and time-zone considerations.
Modular fintech infrastructure for prop firms: real-time risk, payouts, scaling.
Own fullstack architecture, roadmap, and mentoring for fintech/Forex trading platform; 6+ years software development, 4+ years lead, JavaScript, TypeScript, React, Next.js, Node.js, Express or NestJS, APIs, databases, cloud infrastructure, AI tooling.
Remote policy unclear
AI-native B2B support platform turning customer conversations into revenue.
Own end-to-end core product across backend, data, AI-agent workflows, and support UI for AI customer support; must-have: full-stack, typescript, react, modern AI/LLMs; early engineer, direct founder access, shapes architecture
Remote policy unclear
Early-stage startup building AI applications integrating LLMs and MCP.
First engineering hire outside founders; stock options, competitive pay, and rapid impact building AI apps.
Remote within LATAM/WW; team is Latvia/Portugal based—no other restrictions stated.
Berlin-based AI data defense firm delivering real-time sensor fusion.
Requires 3-7 years of experience building production-grade TypeScript applications with React and Node.js. Candidates must be eligible to work in Germany and be familiar with secure UI patterns and Kubernetes workflows.
Remote Germany only
AI-powered tools empowering microbusinesses to start, grow, thrive.
Requires 8+ years of full-stack experience with expert knowledge of React, TypeScript, and backend languages like Kotlin or Java. Must have a proven track record of leading large-scale architectural initiatives and experience with AI-assisted development tools.
Remote Europe
AI localization engine delivering automated UI translations for developers.
Requires 5+ years of production experience with TypeScript and Node.js, expert React knowledge, and a CS degree or equivalent. Candidates must have built a real-world app or side project and be available during San Francisco morning hours.
Remote EU countries only (Poland, Czech Republic, Germany, Portugal, Spain); distributed team, strong English, remote-friendly
WellTech Innovations: personalized, intuitive well-being tools as a creative lifestyle.
Requires strong commercial experience with React Native, TypeScript, and full-stack architecture. Candidates should be comfortable with AI-assisted development and have a deep understanding of modular systems and performance optimization.
Remote not specified; eligible in UK and EU regions; hubs in Cyprus, Ukraine, Poland, Spain, and the UK.
A personalized experience for every employee.
Requires 3-5 years of experience building microservices with proficiency in TypeScript, Node.js, and AWS. A bachelor's degree in Computer Science or equivalent experience is required.
Remote EU (UK) only
Paperpile builds research software and BibGuru citation tools.
The role requires deep expertise in React, TypeScript, and Node.js, with a track record of building complex, production-ready applications. Candidates must be able to deliver pixel-perfect code from Figma mockups and have experience with testing frameworks like Playwright.
Remote EU only
Cold outreach tips, strategies, and the best tactics used by over 37,000 users to generate millions every month.
You must have at least 7 years of experience in TypeScript/JavaScript and a strong background in NodeJS and MongoDB. Proficiency in React, experience with agile methodologies, and the ability to work independently in a remote environment are required.
Remote EU (French timezone); English/French fluency; fully remote.
Candidates must possess 3 to 7 years of professional software engineering experience with strong proficiency in HTML, CSS, and modern JavaScript, including deep experience building production applications with React. Essential knowledge includes understanding browser behavior, frontend performance, debugging production systems, and working with REST APIs and relational databases like MySQL.
Remote anywhere
Candidates must possess 5+ years of full-stack development experience with deep expertise in PHP (Laravel preferred) and strong proficiency in modern JavaScript frameworks like Next.js and React. Significant hands-on experience with Craft CMS, WordPress, and GraphQL is mandatory for this position.
Remote anywhere
Candidates must have experience with various programming languages like TypeScript, Python, and Go, alongside strong skills in cloud platforms such as Google Cloud, AWS, or Azure. Success requires technical decision-making ability, project leadership, team mentoring, and a background in building scalable systems with both front-end and back-end technologies.
Remote anywhere
A bachelor's degree in Computer Science or a related field is required, along with proven experience as a Full Stack Developer. Strong knowledge of frontend and backend technologies, as well as effective communication skills, are essential.
Remote UK only
Candidates must possess 5 to 12 years of professional software engineering experience with strong hands-on expertise in .NET and solid experience with React. Comfort with mobbing or pair programming and experience with Azure DevOps are also required.
Remote US only
You should be comfortable with ambiguous requirements and have experience in both backend and frontend technologies. Fluency in React and familiarity with Livewire are essential for this role.
Remote US only
Candidates should have solid experience with .NET Core and proficiency in React.js, along with advanced knowledge of EF Core and T-SQL. Familiarity with NoSQL databases and RESTful APIs is also required.
Remote anywhere; must be legally authorized to work in your country of residence.
The ideal candidate is a senior full-stack engineer comfortable across the entire stack who possesses genuine curiosity about AI and is excited to apply it creatively to real-world problems. They must be product-minded, self-directed, thrive with autonomy, and be a clear communicator within a fast-moving team.
Remote UK only
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Describe your next role, cut the noise
37 companies have open full stack engineer roles in Spain. The most active right now:
Share of the 42 postings that name each skill:
Figures from the postings on this page, updated weekly. Last update 2026-10-26.
No. Only 5 of the 42 postings name Spain; the rest accept candidates anywhere in the EU, and 12 are open worldwide. Most ask for a time-zone overlap rather than a specific address, so check the location line on each posting.
1 of these 42 postings hire in both the EU and the US, and 12 are open worldwide, which usually means a US or global company. The rest hire in the EU only, often for payroll or time-zone reasons.
76% ask for 5 to 10 years, 21% for 2 to 5 years, 3% for 10 or more, and 0% are open to candidates with under 2 years.
2 in the last 7 days, 42 over the last 6 months, from 37 companies.
A zero-noise alternative to job boards for remote startup jobs. Describe your next role once in plain language; Matcha reads every job description daily and emails you only the roles that actually fit. No UI to check, no notifications, no noise.
Matcha is a zero-noise alternative to job boards for remote startup jobs. Instead of scrolling through hundreds of irrelevant postings, you describe your next role once and Matcha reads every job description daily to surface only the roles that actually fit. Matches arrive in a single email, as soon as a relevant role is posted. No UI to check, no notifications, no noise. Because Matcha reads full job descriptions in plain language, there is no limit to what you can filter by: not just the usual dropdowns, but anything you can put into words.
Matcha surfaces fully remote jobs at startups from seed to series A, series B, etc. typically backed by top-tier VCs like a16z, Index Ventures, Y Combinator, Google Ventures, Sequoia, Accel, Khosla Ventures, etc. Roles span software engineering, design, marketing, sales, and more. Open to candidates in Europe, the US, Canada, the UK, Brazil, Latam, APAC, and worldwide.
Describe your next role, cut the noise
