Senior Frontend Developer
hace 1 semana
Opportunity to work in SPAIN (Madrid or Barcelona)
About the role
We are looking for a
Senior Front End Software Developer
to join a cutting-edge team focused on scaling AI assets and building innovative AI-driven products. You will work at the intersection of
LLMs, agentic architectures, RAG systems, and modern application development
, contributing to the next generation of intelligent interfaces and document-understanding solutions.
In this role, you will collaborate with cross-functional teams, shape new AI-powered applications, and help bring state-of-the-art machine intelligence into real-world products used across the organization.
This position can be
fully remote from anywhere in Spain
, with
monthly workshops in Madrid or Barcelona
.
What will you do?
Build intuitive, responsive, and modern interfaces using
React
.
Collaborate with backend, AI, and product teams to deliver end-to-end AI-powered applications.
Work hands-on with
LLMs, RAG architectures, LangChain
, and emerging AI technologies.
Contribute to the design of scalable and maintainable frontend solutions.
Integrate AI agents, embeddings, vector databases, and retrieval architectures into real applications.
Participate in Agile ceremonies and work closely with stakeholders to present, explain, and iterate on solutions.
Support experimentation, prototyping, and optimization of AI models and workflows.
Mandatory Requirements
Strong experience with
(Senior level).
Solid background in
full stack development
(React + ).
Hands-on experience with
Large Language Models (LLMs)
and
Retrieval-Augmented Generation (RAG)
.
Knowledge of
Python
(for AI integrations).
Experience with
Docker
and modern cloud environments (AWS and/or Azure).
Ability to design scalable, reliable, maintainable software architectures.
Strong communication skills, autonomy, and problem-solving mindset.
English: mandatory
.
Nice to have
Practical experience with
LangChain
(highly preferred).
Familiarity with AI model deployment, inference optimization, and agentic workflows.
Experience integrating vector databases or embeddings-based search.
Previous work in Agile or cross-functional product teams.
Why join this project?
People first – diverse and inclusive culture in an international environment.
Cutting-edge technologies and global projects.
Career growth and continuous development opportunities.
Happiness and low turnover rate.
€1200 per year training budget and learning resources.
Flexible compensation.
Private health insurance and benefits package.
Flexible working hours and hybrid model.
Wellhub: access to fitness, wellness, and mental health support.
Football and paddle tennis teams sponsored by Capitole.
Team buildings, global events, and strong tech communities.
Want to know more about us? Click here and discover all the details.
Find out what people are saying about us on
Glassdoor Reviews
.
If you're passionate about AI, enjoy building seamless user experiences, and want to contribute to products powered by the latest advances in LLMs and agentic architectures — we would love to meet you.
Empowering People, Unlocking Innovation.
The employee will adhere to information security policies:
-Will have access to confidential information related to Capitole and the project they are working on.
-Must comply with the security policies and internal policies of the company and the client.
-Must sign an NDA.
-
Frontend Developer
hace 3 días
Buenos Aires, Buenos Aires C.F., Argentina Hire Overseas A tiempo completoWe're looking for a Frontend Developer to build sleek, high-performing web applications with a mobile-first approach. You'll work closely with design and product teams to implement user interfaces that are both functional and beautiful, while leveraging AI-assisted coding tools to move quickly and efficiently.If you have strong skills, a keen eye for...
-
Frontend Developer
hace 3 días
Buenos Aires, Buenos Aires C.F., Argentina Hire Overseas A tiempo completoWe're looking for a Frontend Developer to build sleek, high-performing web applications with a mobile-first approach. You'll work closely with design and product teams to implement user interfaces that are both functional and beautiful, while leveraging AI-assisted coding tools to move quickly and efficiently.If you have strong skills, a keen eye for...
-
FrontEnd Developer SR
hace 7 días
Buenos Aires, Buenos Aires C.F., Argentina Softtek A tiempo completoFrontEnd Developer SR (Reactjs)Lugar de trabajo:CABA. Híbrido (2 veces por semana a las oficinas en Retiro)Horario: Lunes a viernes 9 a 18hs.Descripción del puestoHabilidades Requeridas:Estudiantes o graduados de las carreras de sistemas.TypeScriptSPAMaterial UIReduxHooksIntegración RESTResponsabilidadesDesarrollar la nueva interfaz SPA con foco en...
-
Frontend Developer Ssr
hace 7 días
Buenos Aires, Buenos Aires C.F., Argentina redbee A tiempo completoBuscamos profesionales con curiosidad y pasión, jugadores de equipo, que quieran crecer, innovar y aprender de las últimas tecnologías. Hacemos diferente y estamos en movimientoTenemos una cultura A.C.T.I.VA y nuestro propósito es ayudarte a elegir el mejor camino para que la rompas.¿Qué hace un Frontend Developer en redbee? -Desarrolla productos...
-
Frontend Developer
hace 1 semana
Buenos Aires, Buenos Aires C.F., Argentina Faraday A tiempo completoEstamos buscando Frontend Developer con visión de producto y obsesión por la calidad. Si tu objetivo es diseñar, desarrollar y mantener interfaces web funcionales, escalables e intuitivas, traduciendo los diseños UI/UX en código impecable, y te mueven los estándares de calidad, esta es tu oportunidad de dejar una huella visible en nuestro...
-
Senior Fullstack Developer
hace 1 semana
Buenos Aires, Buenos Aires C.F., Argentina EX Squared LATAM A tiempo completoBecome an EXpert as a Senior Fullstack Developer (PHP / Laravel + Shopify)At EX Squared LATAM, we connect top engineering talent across the region with innovative digital projects. We're looking for a Senior Fullstack Developer with strong experience in PHP / Laravel and Shopify to help build and maintain scalable, high-quality e-commerce solutions.This role...
-
Senior Full Stack Developer
hace 2 semanas
Buenos Aires, Buenos Aires C.F., Argentina Latino Legends A tiempo completoSalary: $5,000 – $6,000 USD per month (based on experience)Schedule: Full-time, Monday–Friday, 8:30 AM – 5:30 PM (EST)Location: Fully remote (Latin America)Senior Full Stack Developer (.NET Core & Angular)Latino Legends is conducting a search on behalf of one of our innovative, fast-growing clients in the marketing and digital delivery space.Our client...
-
Frontend Developer
hace 2 semanas
Buenos Aires, Buenos Aires C.F., Argentina IT Rock A tiempo completo¿Qué estamos buscando?Un/a desarrollador/a Frontend Ssr que tenga ganas de sumarse al equipo de Desarrollo con proyectos dinámicos, novedosos y bien rockanroleros.Un/a DEV con +3 años de experiencia en Frontend, con fuerte dominio de Angular y/o React, y experiencia desarrollando aplicaciones híbridas con Ionic. Capaz de robustecer arquitecturas...
-
Frontend Developer Senior
hace 1 semana
Buenos Aires, Buenos Aires C.F., Argentina Interinnova A tiempo completoAcelera tu carrera en Interinnova. Aplica ahora y te contactaremos Requisitos- Graduado/a o estudiante avanzado/a de carreras de Sistemas, Ingenierías o afines.- Experiencia mínima de 4 años en desarrollo frontend. - Residir en AMBA o cercanías.¿Qué esperamos de vos?- Experiencia sólida en el desarrollo de interfaces web modernas, con foco en...
-
Frontend Developer Senior
hace 1 semana
Buenos Aires, Buenos Aires C.F., Argentina Interinnova A tiempo completoAcelera tu carrera en Interinnova. Aplica ahora y te contactaremosRequisitosGraduado/a o estudiante avanzado/a de carreras de Sistemas, Ingenierías o afines.Experiencia mínima de 4 años en desarrollo frontend.Residir en AMBA o cercanías.¿Qué esperamos de vos?Experiencia sólida en el desarrollo de interfaces web modernas, con foco en performance y...
