Backend-First Full Stack Engineer — Ai-Native & End-To-End Ownership - €30.000 - €60.000 A Year
de 30000 a 60000 €/añoA Technology Innovator In Customer Engagement
Factech es una empresa multinacional especializada en servicios IT para grandes compañías.
Con más de ***** profesionales y presencia en España, Colombia y México, participamos en proyectos tecnológicos de alto impacto junto a clientes líderes.
Full Stack Engineer Senior para una misión temporal de 3 meses, donde construirás soluciones desde cero en un entorno ágil, exigente y altamente técnico.
Beneficios Proyecto de alto impacto en corto plazo Autonomía total y ownership técnico Stack moderno y relevante (React + Python + AWS) Equipo senior, ágil y sin burocracia La oportunidad es trabajar en PoCs que llegan a producción, viendo resultados reales en semanas, no meses.
Misión Construir soluciones completas desde cero que validen ideas de negocio a través de Proofs of Concept, llevándolas hasta producción con calidad, rendimiento y escalabilidad.
En Tu Día a Día Liderarás el desarrollo end-to-end de aplicaciones usando React y Python.
Diseñarás y mantendrás infraestructura en AWS garantizando rendimiento y disponibilidad.
Crearás APIs eficientes que conecten frontend, backend y servicios externos.
Detectarás y resolverás cuellos de botella con impacto inmediato en el producto.
Aportarás liderazgo técnico mediante code reviews y buenas prácticas.
Qué te hará tener éxito en esta posición Dominar React en entornos complejos (ha permitírtte construir interfaces robustas, escalables y alineadas con necesidades reales de negocio) Tener experiencia sólida en backend con Python (será clave para diseñar lógica eficiente y servicios fiables utilizando frameworks como Django o FastAPI) Contar con experiencia real en AWS (te ayudará a construir soluciones cloud escalables y resilientes desde el inicio) Aportar seniority y ownership técnico (tu capacidad para tomar decisiones y liderar soluciones marcará el ritmo del equipo) Tener mentalidad proactiva (identificas problemas y propones soluciones con impacto inmediato) Dominar fundamentos web (HTML, CSS, DOM) (esto te permitirá entender el sistema completo y optimizar la experiencia end-to-end) Sentirte cómodo/a resolviendo problemas complejos (tu capacidad de debugging será clave en entornos rápidos y cambiantes) Trabajar bien en entornos ágiles y exigentes (adaptarte, priorizar y entregar valor en ciclos cortos) Experiencia con Infrastructure as Code (Terraform o AWS CDK) (te dará autonomía para gestionar entornos de forma eficiente y escalable) Familiaridad con CI/CD (GitHub Actions, GitLab CI) (facilitará la automatización y calidad en los despliegues) Nivel fluido de español e inglés (será clave para colaborar de forma efectiva con el equipo y stakeholders) En Factech fomentamos un entorno laboral basado en el respeto, el desarrollo profesional y la igualdad de oportunidades sin discriminación alguna.
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de 60000 a 80000 €/año
...'re building an AI-native platform with autonomous... ...Looking for a Full-Stack Engineer. Salary : €... ...now. 6 by the end of the year. You will be... ...We'll be the first to launch something... ...? Fast API backend ? Supabase)Identify... ...enforced. Ownership mindset : You own...Back EndPrácticaTrabajar en la oficinaRemotoTrabajo híbrido- ...system for construction, combining AI, automation and modern software.... ...We are seeking a product-minded Full Stack Engineer with backend depth to own features end to end, primarily focusing on backend... ...while maintaining full product ownership.Location options include Milan or...Back End
- ...their most powerful growth engine. Our AI?powered voice of customer (VoC... ...excellent and experienced Full Stack engineer to join the team and... ...Development: Build responsive front?end interfaces with React .... ...Required Qualifications: 3+ years of hands?on experience with...Back End
de 60000 a 90000 €/año
...Spain | Senior Engineering Opportunity... ...for a Senior Full-Stack Engineer – AI-Native Applications... ...significant ownership over product... ...applications end to end. Work... ...across frontend, backend, databases,... ...~5+ years of professional... ...salary between €60,000 and €90,000 gross...Back EndPrácticaTrabajar en la oficinaRemotoTrabajo híbridoTrabajo por turnosde 60000 a 80000 $/año
...Senior Software Engineer - Ai & Precision Medicine - $60,000 - $80,000 A Year Tempus AI Barcelona, Kingdom Of Spain, ES Seeking a Senior Software Engineer passionate... ...AI and precision medicine to work on frontend and backend development using TypeScript and Python. Senior...Back End- Build and maintain full stack product features using React, Node.Js, and PostgreSQL, collaborating with product and design teams. Focus on code quality and technical improvements.Back End
de 40000 a 55000 €/año
Backend-focused full-stack product engineer responsible for designing, building, and operating AI-native software, focusing on real-time decision streaming for the aviation industry.Back End51000 €/año
...Senior Software Engineer - Finance... ...Permanent- Full time-... ...technologies. Our stack is Ruby on... ...for the backend and React/React-native for the... ...in a people-first company regardless... ...couple of years of... ...salary is 60,000€ regardless... ...engineer, taking ownership of big...Back EndTiempo completoEmpleo permanenteTrabajar en la oficinaRemotode 30000 a 110000 $/año
...for a Senior Software Engineer to join our Core... ...functions, lightweight backend services, and jobs using... ...a system requires end-to-end design, and you... ...and PMsPreferred Tech Stack:Kotlin Multiplatform... ...range for this role is: 30,*******,000 USD/Year + Bonus + Stock...Back EndRemoto- ...human-led, AI-enhanced learning... ...Today, 100,000+ tutors teach... ...on the backend and React on... ...agnostic, great engineers come from... ...a Senior II Full Stack Engineer, you will combine... ...to: Back-end Development:... ...& Ownership: Lead complex... ...propose AI-native alternatives...Back EndTemporalInicio inmediato
de 50000 a 60000 $/año
Senior Front End Engineer to build developer tools, SDKs, and integrations for games entering web3, working with frontend technologies and game engines.de 30000 a 40000 €/año
...We operate as an office first company, understanding... ...testing both frontend and backend of a web application.... ...for Christmas and New Year's Eve. WHO WE ARE At... ...fair, and closer to the end-user. As a member of... ...be encouraged to take ownership, innovate, and think creatively...Back EndPrácticaTrabajar en la oficinaRemoto- ...infrastructure, AI-powered... ...you value ownership, growth... ...team as a Full Stack Engineer with a frontend... ...to backend services,... ...features end to end, your... ..., product-first mindset.... ...Have 5+ years (Senior) of... ...People team (30 min): get... ...Interview (60 min): this... ...managers and 12,000 LPs on the...Back EndRemoto
100000 €/año
...AI Engineer – Remote (Barcelona) | €100,000 About the Role We are looking for a hands... ...Qualifications 5+ years of experience in ML or backend engineering in production... ...experience Tech Stack Highlights Python... ...Engineer - €******* A Year - Remote Barcelona, Kingdom...Back EndRemoto- ...Indeep AI is seeking a versatile Full-Stack AI Engineer for our Barcelona office. You will work across the entire stack—from backend services and AI pipelines to the frontend and deployment infrastructure... ...startup. You'll own features end-to-end, balance performance with...Back EndTrabajar en la oficina
- ...ready to build AI-native software that... ...you thrive in a full-stack environment... ...daily and take end-to-end ownership of what you ship... ...robust backend services, contribute... ...define how engineering teams build with... ...by shaping AI-first engineering practices... ...~5+ years of professional...Back EndTrabajar en la oficinaRemotoInicio inmediato3 días a la semana
de 50000 a 80000 €/año
...AtIndeep AI, we are an applied... ...linguists, engineers, scientists... ...?Stack AI Engineerto... ...stack — from backend and platform... ...Implement features end?to?end,... ...Frontend & Full?... ...Required5 to 8+ years of professional... ...Offer€50,000–€80,000 yearly... ...with broad ownership across the...Back EndPrácticaContratoTrabajar en la oficinaTrabajo por turnosLunes a viernes- ...people across 30+... ...**** our $60 M Series B... ...talented engineers who possess... ...calculations engine), are excited... ...sense of ownership in their work... ...Back End in the integrations... ...our core stack (not... ...Script), native app extensions... ...7+ years of experience... ...and modern backend systems Experience...Back EndContratistaTrabajo por turnos
- ...through human-led, AI-enhanced learning. Today, 100,000+ tutors teach... .... The Preply Engineering Team provides the... ...As a Senior II Backend Engineer, you'll drive... ...Foster a quality-first culture through... ...projects end-to-endA track record... ...and propose AI-native alternatives. Willingness...Back End
- ...infrastructure, AI-powered... ...value ownership, growth... ...AI Engineer on our AI... ...This is end-to-end product... ...Your First 90 Days... ...: 5+ years building... ...drama Backend: You have... ...Tech Stack Frontend... ...weeks a year A... ...Interview (30 min) – Meet... ...(60 min) – Explore... ...and 12,000 LPs on...Back EndRemoto
- ...Haddock is seeking a Product Engineer to own end-to-end product development, from ideation through deployment, with heavy AI tooling and data-driven workflows. You will design... ...scalable architectures and collaborate across backend, frontend, and AI-enabled components to...Back EndTrabajo híbrido
- ...through our AI product.... ..., for the first time. We... ...for an AI Engineer who is... ...deeply AI-native. Someone who... ...unbuilt. End-to-end... ...documented, ten years of a... ...build the backend, the frontend... ...overall. One year of very... ...at least 5,000 executions... ...Our tech stack TypeScript...Back EndTrabajar en la oficina2 días a la semana
- ...you imagine building AI-powered products... ...knowledge graphs and cloud-native technologies to... ...life during your first 6 months. And... ...Strong software engineering experience building... ...building scalable backend services and enterprise... ...What if the project ends? We work on a wide...Back EndTemporalTrabajar en la oficinaTrabajo híbridoTurno de tarde2 días a la semana
55 €/día
...bringing AI, automation... ...still full of slow,... ...for an AI Engineer who knows... ..., and AI-native product features... ...features end to end,... ...stack when AI features... ...it, from backend logic to... ..., and ownership it requires... ...layers.AI-first: we build... ....02: 30-min Talent... ...55,******,000 € depending...Back EndTrabajo híbrido90000 €/año
Senior Backend Developer for a B2C HealthTech company, working remotely in Europe on a large-scale PHP API and migrating to Go, supporting millions of users daily.Back EndRemoto1500 €/mensuales
...bringing AI solutions... ...and cloud-native technologies... ...during your first 6 months.... ...software engineering experience... ...solutions across backend, frontend,... .... Taking ownership of the... ...stacks. Ensuring... ...the project ends? We work... ...insurance. ~ Full coverage for... ...up to €6,000 per candidate...Back EndTemporalTrabajar en la oficinaTrabajo híbridoTurno de tarde2 días a la semana- ...Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.Js and TypeScript while integrating AI-driven solutions in production environments... .... The ideal candidate has 5–7 years of experience, excellent...Back EndRemoto
- ...algorithms, AI, and live... ...This is a backend-focused full-stack role. You'... ...features end to end: understanding... ...AI-native software... ...with 7+ years of backend... ...full-stack engineering experience... ...backend engineer who: Has... ...and takes ownership of software... ...your first few months...Back End
- ...human-led, AI-enhanced learning... ...Today, 100,000+ tutors... ...on the backend and React on... ...agnostic, great engineers come from... ...a Senior Full Stack Engineer, you will combine... ...to: Back-end Development... ...& Ownership: Lead complex... ...approximately 60% of the work... ...propose AI-native alternatives...Back EndTemporalInicio inmediato
- ...through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages... ...closely with engineering and product... ...technical roadmap. Lead end-to-end strategic... ...understanding of total cost of ownership, ensuring decisions... ...and propose AI-native alternatives.Why...Back End
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