Senior Frontend Developer

2 semanas atrás


Mato Grosso, Brasil Capitole Tempo inteiro

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 React.Js (Senior level). Solid background in full stack development (React + Node.Js). 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.



  • Mato Grosso, Brasil Twin Harbour Interactive Tempo inteiro

    Join our game development as Senior FrontendDeveloperAt Twin Harbour Interactivewe strive to develop high-quality strategy games and make them accessible for all players around the world. In our eyes game development is a promise for fun and entertainment – that's what we live and aim forAs a Senior Frontend Developer, you will ensure the stability and...


  • Mato Grosso, Brasil Corel Tempo inteiro

    Senior Frontend Web DeveloperPush the boundaries of tech. In your sweatpants.We're looking for an experienced Senior Frontend Web Developer to help us change the way the world works, with anytime, anywhere, any-device productivity. Here, you'll develop amazing frontend web applications for users from all over the world with our Parallels team.The top...

  • Senior Frontend Developer

    4 semanas atrás


    Mato Grosso, Brasil Mojo Trek Tempo inteiro

    Company Description: Mojo Trek, an Inc. 5000 company, delivers an unparalleled technology recruitment experience, grounded in transparency and integrity. From midsize technology innovators to Fortune 50 powerhouse corporations, we help our clients build technology teams that make a difference. In addition to our strong presence in the Midwest and New York,...

  • Senior Full Stack Developer

    1 semana atrás


    Mato Grosso, Brasil Catalyte Tempo inteiro

    We are looking for a Senior Full Stack Software Developer for a 100% Remote, 12 month +, 1099 contract No 3rd Party C2Cs Please. Location: Brazil, South America (work remote supporting US based client/project) Employment Type: Contract Work, 40 hours weekly 100% Requirement: Must have good verbal & written communication (English) Summary: We're looking for a...

  • Senior Frontend Developer

    2 semanas atrás


    Mato Grosso, Brasil Capitole Tempo inteiro

    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...

  • Frontend Developer

    1 semana atrás


    Mato Grosso, Brasil Talently Tempo inteiro

    You are the person they are looking for if you have.... 2–5 years of experience in frontend development (startup experience is a plus) Strong proficiency with JavaScript, TypeScript, React, Next.Js, HTML5, CSS3, Tailwind, and modern build tools Excellent English communication skills and ability to work in fast-paced environments Experience integrating APIs...


  • Mato Grosso, Brasil GeorgiaTEK Systems Inc. Tempo inteiro

    Senior Frontend Engineer – React / Smart TV Applications Location: Remote in Brazil Experience: 3+ years Tech Stack: React, TypeScript, JavaScript, Svelte, Astro, AWS About the Role We are seeking an experienced Frontend Engineer to build and enhance high-quality user interfaces for Smart TV and embedded device applications. This role focuses on developing...


  • Mato Grosso, Brasil Brick Abode Tempo inteiro

    Frontend .Net Ui Developer With Blazor HybridJoin to apply for the Frontend .Net Ui Developer With Blazor Hybrid role at Brick Abode.5 days ago – Be among the first 25 applicants.Hey, Dev, check the opportunity we have here at Brick Abode!About Brick AbodeWe are a software development company that serves clients from multiple countries around the world,...


  • Mato Grosso, Brasil Brick Abode Tempo inteiro

    Frontend .Net Ui Developer With Blazor Hybrid Join to apply for the Frontend .Net Ui Developer With Blazor Hybrid role at Brick Abode . 5 days ago – Be among the first 25 applicants. Hey, Dev, check the opportunity we have here at Brick Abode! About Brick Abode We are a software development company that serves clients from multiple countries around the...


  • Mato Grosso, Brasil OSF Digital Tempo inteiro

    Front-End Developer The Front-End Developer is responsible for implementing animations and digital interfaces across multiple platforms, using HTML5 animation tools (such as Hype), programmatic media delivery platforms, and internal rich media frameworks. This role involves translating layouts and mockups into functional, responsive code, working closely...