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WikipediaFactorial
Barcelona, ES
Mid/Senior Product Growth - Engineering
Factorial · Barcelona, ES
. React Ruby TypeScript Ruby on Rails Office
Hello! 👋🏽
At Factorial we're looking for a Full-Stack Senior/Mid Product Developer to help us boost our team & the company to the next level. 🦄 Are you ready to be part of one on the most impactful teams? 🚀
The Team 👩🎤
The Growth Product team is the most impactful team at Factorial, because we work across the entire customer journey: from enhancing the platform that our sales team uses to demonstrate Factorial, to creating upselling experiences that help customers discover new products and streamlining the onboarding process of new companies.
Imagine building something that helps our sales team improve their conversion rate by 10%, or designing an automated process that enables our specialists to handle five times more clients each week. These are the types of projects that drive over $1M in annual recurring revenue, and they are led by the Growth Product team.
You will join forces with awesome talent like Lara Menendez, Amalia González, Chloé Dumit, Rubén Pérez, Pablo Gutiérrez & David García.
The Tech Behind 👨💻
Our projects are built in React with TypeScript and Ruby on Rails. Usually our tasks are 75% of Frontend and 25% is Backend.
What we are looking for 🧙
- We are looking for a person who loves to think about the user & create awesome solutions to solve problems and know tech is only a tool to achieve this goal.
- We are looking for a team player and great communicator, a person who is comfortable helping your teammates, sharing your knowledge and raising the hand first when anyone need helps.
- A truly owner with a critic eye. We are looking for a person who like proposing new things, is being responsible for building, deploying, and validating them.
- A person who love to talk about money! We are growth and revenue is our objetive, you have to be passionate about business ideas and be super existed when you find the next 1M€ revenue idea.
- Entrepreneurial mindset even if you didn’t found your own company, have this passion is crucial to join our team. Things will move fast and you have to be happy working at light speed.
At Factorial transparency is in our DNA, people at the same rank will receive the same salary and all the salary ranks are public
- Mid Engineer you will join factorial with 40.000€ Base and 2.800€ Variable paid quarterly based on our business goals and after one year you will receive 10% of your salary as ESOP.
- Senior Engineer you will join factorial with 55.000€ Base and 5.500€ Variable paid quarterly based on our business goals and after one year you will receive 10% of your salary as ESOP.
Benefits 💆
We care about people and offer many benefits for employees:
- High growth, multicultural, and friendly environment 🤝🏽
- Continuous training and learning based on your needs 🤓
- Alan private health insurance 🩺
- Healthy life with Gympass (Gyms, pools, outdoor classes) 🧘🏽♀️
- Save expenses with Cobee 💰
- Language classes with Yolk Academy 👩🏽🏫
- Get the most out of your salary with Payflow
- Breakfast in the office and organic fruit 🍏
- Nora and Apetit discounts 🍱
- Free caffeine and theine ☕
- Pet Friendly 🐶
We know applying for a job takes time, that’s why we want to make the experience as good and efficient as we can!
- Talent Interview (30mins) The first thing is to get to know each other and give you the chance to ask any questions you have about Factorial. Treat this interview as an informal conversation, so don’t be nervous. You can ask anything you want!
- Engineering Manager Interview (1h) After talk with our amazing Talent team you will be redirected to talk our Engineering Manager, this interview is focus on talk more about how growth product team works and your experience.
- Challenge (2h) We need to validate your knowledge and understand how you work before joining Factorial. The challenge is quite simple: we’ll start with a short description of a problem, and we’ll evaluate your skills to research it thoroughly and propose a solution. After that, we’ll get hands-on and you’ll start taking the first steps towards a technical solution. We will evaluate how you work so you can use any resources you like, just as if it were a real-life task.
- VP / CTO Interview (1h) Once you finish the challenge, we’ll do a final interview having the change to have a talk whit our Engineering VP our our CTO.
- Offer Letter If everything plays out, we’ll make you a formal offer based on all the steps above.
Factorial is an all-in-one HR Software fast-growing company founded in 2016. Our mission is to help SMEs automate HR workflows, centralize people data, and make better business decisions. Currently, we serve thousands of customers in over 60 countries worldwide and across industries, and we have built a diverse and multicultural team of over 900 people in our Barcelona, Brazil, Mexico, and US offices. 🌎
Our Values 🫀
- We own it: We take responsibility for every project. We make decisions, not excuses.
- We learn and teach: We're dedicated to learning something new every day and, above all, sharing it.
- We partner: Every decision is a team decision. We trust each other.
- We grow fast: We act fast. We believe that the worst mistake is not learning from them.
share
Lead Devops Software Engineer
share · Zaragoza, ES
Teletrabajo . React API Node.js MySQL MongoDB Python TSQL NoSQL Linux Angular Cloud Coumputing AWS IoT DevOps PostgreSQL Redis Terraform
We're building the future of connectivity in Africa, from the ground up.
We're a lean team relentlessly tackling every problem on a first principle basis.
We need people who want to take on responsibility, and are not intimidated by large challenges and ambition.
If you enjoy the aforementioned, you're going to love working with the Share team...
About Share
Share is an ecosystem built for next-generation Internet Service Providers on a mission to connect the 600 million people in Africa who remain offline.
Like Airbnb for homes or Uber for rides, Share unlocks a new asset class, telecom infrastructure, by enabling local networks to expand connectivity and earn from it.
Backed by global leading tech investors and powered by a world-class team, Share is building one of the most scalable and impactful technology companies in the world, from Africa.
- Living Twice Inc. is the U.S.-based legal entity managing the Share ecosystem.
What We're Looking For
We're looking for a Lead DevOps Software Engineer to bridge full-stack software development with infrastructure-level systems engineering.
You'll architect and maintain the software–hardware interface that underpins our distributed connectivity network, ranging from backend systems and APIs to network telemetry, monitoring, and automation pipelines that operate at the edge.
Experience in telecommunications, networking, or IoT systems is a plus, but not required.
What matters most is your ability to think holistically, from low-level device data to high-level cloud orchestration.
Responsibilities
- End-to-end platform development: Design and build scalable web and backend systems that integrate with physical network devices, telemetry, and edge data streams.
- Infrastructure automation: Lead CI/CD, infrastructure-as-code, and container orchestration across multi-cloud and hybrid environments.
- System reliability & observability: Build tools for monitoring uptime, latency, and data integrity across distributed deployments.
- Edge-to-cloud pipelines: Design robust data pipelines and synchronization frameworks between hardware telemetry and application services.
- Cross-layer collaboration: Work closely with network and hardware engineers to ensure software interfaces seamlessly with routers, access points, and local gateways.
- Security & compliance: Ensure data protection and secure network operations across geographies and jurisdictions.
- Mentorship & technical leadership: Guide junior engineers, define DevOps best practices, and enforce reliability across the stack.
- Backend Development: Advanced in Node.js and/or Python; experience with event-driven architectures and API design.
- Frontend Development: Skilled in React (preferred), Vue, or Angular for building operational dashboards and monitoring tools.
- Cloud & DevOps: Strong command of AWS (Lambda, EC2, ECS), Vercel, Terraform, CI/CD pipelines, and infrastructure automation.
- Networking & Systems: Familiarity with Linux networking, routing, and service orchestration at scale; experience in telecom, mesh, or IoT systems is a major plus.
- Database Design: Expert in both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB, Redis) for high-availability, real-time analytics.
- Monitoring & Logging: Experience with Prometheus, Grafana, Datadog, or similar tools.
- Security & Compliance: Knowledge of data security, identity management, and encryption standards.
- (Nice to Have) Blockchain/DePIN: Exposure to tokenized networks, wallets, or smart contract integrations.
A chance to work at the cutting edge of telecommunciations, Web3 technology and real-world impact.
An opportunity to influence the development of a groundbreaking platform that bridges the gap between blockchain and physical infrastructure.
A flexible & remote working environment with the option to travel.
Equity ownership package.
Potential to grow in an organization backed by top advisors and investors in the impact & cryptocurrency industry.
Private benefits disclosed at interview.
If interested in shaping the future of a world-changing organization, share your portfolio and resume with ******
CAS TRAINING
Developer IA Python NodeJS REACT
CAS TRAINING · Madrid, ES
Teletrabajo React Javascript Java Python Azure Angular
CAS Training selecciona a un/a developer con al menos 2 años de experiencia en Conversational AI para proyecto remoto
Es necesario experiencia en IA aplicada a asistentes conversacionales
Desarrollo de asistentes conversacionales en java, phyton o javascript.
Configuración de herramientas conversational AI
Requerido:
Conocimiento de plataformas para el desarrollo de asistentes conversacionales como Dialogflow, MS LUIS, Azure AI Foundry, Cognigy, ..
Experiencia en desarrollo en frameworks javascript como nodeJS, react, angular o phyton o java.
Nivel de inglés mínimo: B2
Aubay Spain
FULL STACK DEVELOPER - GENERATIVE AI
Aubay Spain · Madrid, ES
Teletrabajo . React Node.js Python Azure Docker Cloud Coumputing
Provincia : Madrid
Nº Vacantes (puestos) : 1
Funciones
Se requiere un Senior Full Stack Software Developer para apoyar a nuestro equipo en la escalabilidad de activos de IA y el desarrollo de un producto innovador de Retrieval-Augmented Generation (RAG).
El servicio será para colaborar en la intersección entre modelos de lenguaje de última generación (LLMs), agentes y desarrollo de aplicaciones, contribuyendo al futuro de soluciones impulsadas por IA.
- Servicio con enfoque en desarrollo front end.
- Construcción de interfaces frontend intuitivas y responsivas utilizando React.
- Colaboración con equipos multidisciplinarios en el diseño e implementación de aplicaciones y soluciones potenciadas por IA.
- Contribuir al desarrollo de productos RAG y mejorar la escalabilidad de los activos de IA.
- Colaboración con tecnologías emergentes de IA, incluyendo LLMs, arquitecturas agenticas e integraciones de aplicaciones.
Experiencia comprobada en desarrollo full stack con Python (backend) y React (frontend).
Sólida experiencia en despliegue en entornos reales y buenas prácticas.
Diseño de soluciones de software escalables, confiables y mantenibles.
Se valorará positivamente la experiencia con LLMs o en entornos de innovación.
Conocimientos técnicos requeridos:
- Python
- REACT.js
- Node.js
- Docker
- LangChain
- Cloud: Amazon, Azure
- LLMs
- RAG
- Nivel Inglés avanzado obligatorio
- Metodología ágil
- Experiencia práctica con LangChain
- Despliegue y optimización de modelos de IA
Contrato indefinido
Proyecto estable
Teletrabajo 3 días/semana
Ubicación: Cornellá
Formación
Retribución flexible (seguro médico, ticket restaurante, cheque guardería)
Salario a negociar
BNP Paribas
Madrid, ES
AI/ML Engineer Intern – AIR Tech Madrid
BNP Paribas · Madrid, ES
. React Javascript API Java Python Agile TSQL Django Jenkins Angular Docker Kubernetes Ansible DevOps Machine Learning
BNP Paribas Group
BNP Paribas is one of the euro zone’s leading banks, with nearly 200 000 employees in 74 countries with key positions in its three main activities: Retail Banking, Investment & Protection Services, International Financial Services and Corporate & Institutional Banking.
Throughout the world, BNP Paribas employees are deeply involved with the real economy. They help women and men, as well as businesses, associations, and institutions, to build their projects and solve concrete problems. As an international company and one of the largest banks, we have the human, technological and financial means to help move the lines, to be part of the solution, to be forerunners. Our company is renewing its client-centered model to become more digital. This move goes hand in hand with our focus on bringing positive contributions to society.
AIR Tech team
Our AIR Tech team (Artificial Intelligence & Robotics Technology for RISK and Compliance) is here to drive the bank's digital transformation through the development of strategies and recommendations based on advanced analytical methods.
Within the RISK and Compliance functions, AIR Tech is an AI (Artificial Intelligence) expert team in charge of developing Artificial Intelligence solutions for RISK and Compliance Streams and beyond.
Role Responsibilities
As an ML (Machine Learning) Engineer, you will play a pivotal role in deploying AI models that drive strategic decision-making and operational efficiency. The ML Engineer will collaborate with cross-functional teams to integrate machine learning and other AI models into the business processes and provide technical support to ensure the success of AI initiatives.
Within our team of c.35 people, you will support Data Scientists and contribute to industrializing the analysis and modelling of structured and unstructured data. You will also contribute to the architecture design of the solution for your project. And you will participate in the team effort in building tools and frameworks to improve efficiency with a focus on delivering high standard code and models.
You will also be involved in the MLOps activities, especially in deploying and monitoring our ML models in production. You will work closely with Data Scientists to define and operate an AI model lifecycle and to ensure the optimal performance of our portfolio of models.
Key Responsibilities
- Integration of machine learning models into business processes, ensuring smooth deployment and effective performance.
- Full stack development (front-end/back-end) and architecture design for projects but also development of some API based on common data processing needs
- Technical support for Data Scientists in terms of ensuring proper code structuring and better automation of workflows
- Technology monitoring on artificial intelligence topic (for instance review of internal or external solutions
Technical Skills And Qualifications
- Expertise: Python (mandatory), SQL, Elastic search, Docker, Devops and MLops methodology, Angular, JavaScript, SQL, Apache, React, Django, Java.
- Education: Bachelor or Master Degree in Computer Science or related field.
- Skills:
experience as software engineer/ data analytics engineer in an agile, innovation-oriented team is appreciated preferably with at least one of the following skills:
In particular Experience building and maintaining CI/CD pipelines. building and maintaining CI/CD pipelines using tools such as Ansible, Jenkins, Docker, and Kubernetes, or building, deploying, and monitoring ML/GenAi models in production using tools such as MLFlow and Kubeflow.
- Languages: Fluent in English. Spanish and/or French a plus
- Personal profile:
- Strong analytical / problem solving skills.
- Capacity to work in project mode.
- Rigorous and curious.
- Resourceful.
- Client-oriented.
BNP Paribas Group in Spain is an equal opportunity employer and proud to provide equal employment opportunity to all job seekers. We are actively committed to ensuring that no individual is discriminated against on the grounds of age, disability, gender reassignment, marriage or civil partnership status, pregnancy and maternity/paternity, race, religion or belief, sex or sexual orientation. Equity and diversity are at the core of our recruitment policy because we believe that they foster creativity and efficiency, which in turn increase performance and productivity. We strive to reflect the society we live in, while keeping with the image of our clients.
Junior Developer
1 nov.Appdrawn Software Development
Barcelona, ES
Junior Developer
Appdrawn Software Development · Barcelona, ES
. Javascript Docker Ruby Git REST TypeScript MVC React Ruby on Rails Office
AppDrawn is a small but fast-growing web and mobile application development award-winning agency with 22 years of experience. Our core focus is on business applications and bespoke platform development. We currently manage projects from our UK office, serving clients predominantly in the London area. The development team is at the Barcelona office. This role would be based in Barcelona
We are looking to recruit a junior developer to join our team of developers with experience and passion in development. This is an excellent opportunity for a talented developer looking to expand their experience in web application development.
The Role
You ll be working on the full process of the projects from beginning to the end and could get involved in all of the steps of creating the apps. As a boutique web app development company, we have a clear objective: to create innovative and bespoke web apps to elevate businesses.
As a Full-stack Junior developer you will work using ReactJS and Ruby on Rails.
You don t have experience or knowledge in any of these 2 technologies? You will be trained on both from scratch since the first day with our training program, and you will receive support from the rest of the team to keep growing on your Developer career.
Essential Experience
- Proven experience in web app development, or degree-level training in software development.
- Development using MVC frameworks
- HTML/CSS/JS
- Experience with: Database engines, Docker and Git version management
- Honest and straight forward
- Have the ability to adapt to new challenges
- Great at problem solving
- Friendly and supportive team.
- Office in central Barcelona with easy access via public transport.
- Flexible holidays.
- Training plan in both technologies.
- We have a range of opportunities ranging from a part time role, compatible with university studies or a young family up to a full-time role. We are looking for people who have long-term residency in Barcelona and who are fluent in English.
CAS TRAINING
Desarrollador/a IA Python Node JS. REACT
CAS TRAINING · Barcelona, ES
Teletrabajo React Java Node.js Python Agile Azure Linux Angular Oracle ITIL
🚀 Buscamos un/una Desarrollador/a especializado en Inteligencia Artificial Conversacional para incorporarse a un proyecto del sector seguros, enfocado en el diseño y desarrollo de asistentes virtuales inteligentes.
El perfil ideal es un profesional con al menos 2 años de experiencia en proyectos de IA conversacional, capaz de participar en todas las fases del ciclo de desarrollo —desde el diseño funcional hasta la configuración de las herramientas y la integración técnica—
🏡 Modalidad: 100% Teletrabajo, preferiblemente Barcelona.
🌍 Idiomas: Inglés nivel B1-B2 (entorno internacional).
🎯 Responsabilidades:
• Desarrollo y mantenimiento de asistentes conversacionales utilizando Python, Node.js o Java.
• Configuración e integración de plataformas de IA conversacional (Dialogflow, MS LUIS, Azure AI Foundry, Cognigy, etc.).
• Implementación de interfaces y flujos conversacionales intuitivos.
• Colaboración con equipos funcionales y de negocio para mejorar la experiencia del usuario.
• Participación en la definición de buenas prácticas y estándares de desarrollo IA.
🧩 Requisitos:
• Experiencia mínima de 2 años en proyectos de Conversational AI / Chatbots.
• Dominio de Node.js, React, Angular, Python o Java.
• Conocimientos sólidos en plataformas de desarrollo de asistentes (Dialogflow, LUIS, Azure AI Foundry, Cognigy...).
• Nivel de inglés B2 o superior (entorno internacional).
🌟 Se valorará
• Experiencia con Cognigy.
• Conocimientos o interés en el sector Insurance / Banca.
• Capacidad para trabajar en entornos Agile y equipos multidisciplinares.
🎁 Ofrecemos:
• Contrato indefinido con CAS Training
• Formar parte de un equipo europeo de alto nivel técnico en un entorno innovador
• Paquete retributivo atractivo y flexible, negociado según tu experiencia
• Acceso gratuito a nuestro Catálogo Anual de Formación con fabricantes top: Microsoft, Linux, Oracle, ITIL, ¡y muchos más!
Full Stack Engineer
31 oct.ZINCO AI
Full Stack Engineer
ZINCO AI · Madrid, ES
Teletrabajo Javascript Python OCR React Office
🧠 About Zinco
At Zinco, we’re building the back-office of the future for millions of small businesses: accounting, taxes, payroll, financing — all AI-Powered by cutting-edge technology and a team of advisors who truly understand what matters to clients.
Technology powers everything. But real impact comes from people.
🎯 Your mission
As a Full Stack Engineer, your mission is to build the interfaces, systems, and tools that drive Zinco’s internal platform and client-facing experiences.
You’ll work across front-end and back-end to create fast, elegant, and highly usable dashboards, data tools, and automations. You’ll help bring clarity and control to complex financial, tax, and payroll workflows — with precision and speed.
This role is perfect for someone who codes fast, ships often, and cares deeply about both technical excellence and product usability.
You’ll play a key role in defining our tech foundations and helping shape the future team. This is a great opportunity to have an outsized impact from day one.
🚀 What you’ll do
Develop and maintain back-end systems in Python, using FastAPI and Pydantic.
Design and automate workflows that process documents, handle emails, and interact with APIs — using tools like n8n, Langchain, MCP, and OCR.
Contributing to the deployment and monitoring of services, we currently use Railway for deployment.
Ensure systems are secure, scalable, and resilient.
Write clean, maintainable code — fast — and take ownership from idea to release.
Design and implement dashboards, chat experiences and tools used by our teams and clients.
Collaboration on ML pipelines or intelligent systems — experience with ML and MLOps is a plus.
🧬 What we’re looking for
Based in Madrid - remote work is fine, but we love our office vibes!
Experience with Python (FastAPI, Pydantic, Pandas) and JavaScript (ReactJS or similar frameworks).
Experience with deployment pipelines and infrastructure.
Passionate about experimenting with AI-powered developer tools like Cursor, Windsurf, or similar to accelerate coding and problem-solving.
Hands-on experience with tools like MCP, Langchain, CrewAI, n8n, or similar agent/workflow frameworks.
Deep understanding of data security and privacy, especially when dealing with sensitive client information.
Pragmatic and fast: you move with urgency, write clean code, and prioritize impact.
Senior React Frontend Software
31 oct.HAYS
Senior React Frontend Software
HAYS · Barcelona, ES
Teletrabajo React Javascript Angular GraphQL TypeScript MVC Office
Your new company Brand-new electronic retail company. You will be part of a huge Tech Hub in an international environment.
Your new role Lead the frontend architecture using React, ensuring scalability, performance, and maintainability.
- Design intuitive and highly responsive interfaces, focused on enhancing the work of in-store teams.
- Collaborate with product owners and stakeholders to translate requirements into elegant solutions.
- Define best practices for data and state management using GraphQL and Apollo.
- Guide technical direction, lead architectural discussions, and propose improvements to the tech stack.
- Mentor other developers, fostering a culture of learning and innovation.
- Ensure high code quality through testing strategies and best practices.
- Optimize CI/CD processes to enable efficient and high-quality deployments.
What will need to fit it?
- Extensive experience with modern JavaScript standards (ES6/ES7) and TypeScript. (+6 years)
- Expert-level proficiency in React, including advanced state management techniques.
- Deep understanding of software architecture patterns (MVP, MVVM, MVC) and scalable frontend design.
- Strong expertise in GraphQL for efficient and optimized data querying. Experience with Apollo is a plus.
- Proficiency in NodeJS to complement frontend development and facilitate seamless backend integration. Experience with Angular is a plus.
- A track record of designing and delivering high-performance, mobile-first interfaces in production environments.
- Passion for clean, maintainable, and test-driven code, with experience using robust testing frameworks.
- Hands-on experience with CI/CD pipelines and tools like GitHub Actions.
- Proactive problem solver with a strategic mindset, capable of driving technical improvements.
- GCP experience is a big plus.
- Advanvced level of English (spanish is not mandatory)
What will you get in return?
- Perm and direct contract with the company
- Young and dynamic environment where you´re encouraged to contribute and co-create the Tech Hub culture and international collaboration model.
- Competitive fix salary
- 10% discount on all products from the company website.
- Access to Flexible Pay program (e.g., meal vouchers, private health insurance with SegurCaixaAdeslas).
- Flexible working hours and hybrid work model (home office + on-site). (4 remote work days per week)
- Intensive workdays every Friday and during summer.
- Choice between two office locations: Barceloneta or El Prat del LLobregat
- Visa support provided throughout the entire process.
- Training budget available for professional and personal development.
- Language classes offered: English, Spanish, and German.
- Birthday off - enjoy your special day without work.
- Work with the latest cutting-edge tech stack.