Backend Developer (English)

About the job Company Description SLS Barcelona, a five-star urban resort of extraordinary experiences, brings a new variety of seaside glamour, indulgence and excellence to Barcelona’s waterfront district of Port Forum. Here the hallmarks of an SLS wonderland – playful ambiance, VIP treatment, and theatrical experiences - meet idyllic views to set a lavish stage for the extraordinary to unfold. The only 5-star hotel in the city to feature a terrace off every guestroom (471 in total), SLS Barcelona is all-encompassing in its delight, offering an array of exclusive amenities including rooftop dining and bars, three inviting swimming pools, a spacious 800 square-meter ballroom with abundant natural light, break out rooms catering to all size of meetings, a rejuvenating spa, and a state-of-the-art fitness centre. Say farewell to the ordinary, and hello to the extraordinary! Job Description What you’ll do We are looking for IT Manager to join the pre-opening team at SLS Barcelona . Under the guidance of the Director of Finance, the IT Manager is responsible for ensuring functional integration of network and LAN hardware components throughout the entire operation. Verify receiving and storage procedures daily to ensure they are being followed. Oversee and manage the day-to-day operations of technology including networks, workstations, POS, PMS, etc. to ensure efficient and revenue maximizing operations. Conduct capacity and performance studies recommending appropriate action to maintain standards of performance and capacity. Assist in performing hardware and software evaluation tests and determine appropriate installation or upgrade schedule. Administer, maintain and provide network level support for Hotel, Bar and Restaurant. Ensure functional integration of network and database server software and LAN hardware/software components. Perform fault isolation, problem determination and problem resolution of standard set network and serve problems to ensure proper integration of software and hardware components. Conduct capacity and performance studies pertaining to network file segments and servers (when applicable). Recommend appropriate action where performance is below objective or where capacity may be nearing its threshold. Assist in the monitoring and maintenance of process server and related network functions to ensure all components are performing optimally and in concert with each other. Perform hardware and software evaluations with individual workstations (when necessary) and determine appropriate installation and/or upgrade schedule. Maintain complete and thorough knowledge of new releases of network and server software. Document disaster recovery procedures and perform production turnover procedures with all application including but not limited to Opera, Micros, etc. Maintain department objectives and keep consistent with objective from hotel level and corporate level. Run training classes for individual workstations and new applications. Attend training classes as needed. Qualifications What we are looking for... Minimum of three (3) years of IT experience – hotel or restaurant experience preferred. Previous experience with pre-opening of a hotel or restaurant a big plus. Someone who understands, celebrates and embraces the SLS brand values. Proven team leader with a high level of energy and motivation, a natural at managing and inspiring others in a way that gets the best out of them. Ability to work independently and to partner with others to promote an environment of teamwork. Ability to multitask, work in a fast-paced environment, meet deadlines and have a high-level attention to detail. You combine analytical and methodical thinking with high attention to detail and a solution-focused approach. Excellent verbal and written communication skills. Fluent in Spanish and English. You make people feel good - your team, guests, and colleagues alike. You make a positive impact. You are an excellent relationship builder, confident in working with other teams and leaders; you’re passionate about what we can achieve together. You take ownership of important issues, solve problems, and make effective decisions. You learn quickly and adapt to SLS’s unique culture. You are humble and open to ideas. We leave our ego at the door and help get things done. You’re up for doing things differently and trying (almost) everything once. You want to be part of a team that works hard, supports each other and has fun along the way. Additional Information What's in it for you... The opportunity to join an innovative, fast-growing, international group that’s committed to not just building new hotels but building a global brand. The chance to challenge the norm and work in an environment that is both creative and rewarding. Become part of a team that’s very passionate about creating great hospitality experiences and exploring new locations at every opportunity. A competitive package and plenty of opportunity for development. Excellent discounts across the entire Ennismore family of brands. SLS is part of Ennismore, a creative hospitality company rooted in culture and community, with a global collection of entrepreneurial and founder-built brands with purpose at their heart. Ennismore is a joint- venture with Accor, formed in 2021. Department: IT & Technology The company Opulent & Mischievous SLS is crafted with the luxury and excellence of a grand hotel, and delivered with a mischievous wink and a sexy little smile. It’s the home of lavish and extraordinary experiences coupled with a playful ambiance. Culinary artistry, theatrical interiors, subversive design touches and unexpected indulgences are at the heart of every SLS property.

About the job JOB SUMMARY Contributes general knowledge and skill in technology to provide first-and some second-level support including break-fix (repairs, installations, maintenance of systems). Generally, works within well-established guidelines to complete routine tasks. Responsible for performing repairs, installations, and maintenance for property-based systems with a particular area. Has knowledge of sophisticated technology equipment/processes. CANDIDATE PROFILE Experience required: 8-10 years’ experience in the Information Technology or related professional area. Need to have the appropriate qualifications and technical expertise. Communication is critical as you will deal with Guests. At least 5 years of experience in Marriot is necessary to understand the various IT systems and infrastructure. Having a ‘Guest-first’ mentality is needed to be successful in this role. Preferred: Spanish language but not mandatory. System-related professional certifications desired. Some experience of Luxury hotel operations CORE WORK ACTIVITIES: Managing Technology Needs within Budget Targets Assists and/or provides input to IT Leadership for CAPEX and department operating budgets based on anticipated IT projects and property support/needs requirements. Confirms that property follows appropriate Marriot International Policies (MIPs) and Information Security Manuals (ISMs). Implements solutions as directed to resolve discrepancies. Places equipment orders as directed relating to personal computers, telecommunications, local servers/networks, processes invoices for the property. Conducts periodic inventories of applications and hardware; prepares reports as requested. Confirms that technology assets are secured. Complies with technology-related vendor contracts. Building and Sustaining Relationships with Customers. Writes and presents proposals, analyses, project plans, cost models, etc. in written and/or oral formats. Provides customer service to associates at dedicated property. Responds to inquiries from customers/vendors/peer group. Assists in disaster recovery and business continuity as it relates to technology. Provides technical guidance. Escalates problems as appropriate through direct supervisor, CLS IT Field and/or Marriot IT resources. Images desktops, installs new Sofware applications, applies patches, maps drive to appropriate server/network. Moves/adds/changes PCs/peripherals, migrating data when necessary. Performs routine desktop backup as scheduled or directed. - Confirms technology security (i.e., encryption, patch deployment) and technology compliance (i.e., Quarterly ID Audits, MAARK2) measures are in place. Supports unit infrastructure (servers, switches, router, APs etc.) and engages appropriate MI IT and/or Vendor resources. Assists in creating and maintaining secure server environment. Performs server backups and routine preventative maintenance. W Hotels’ mission is to Ignite Curiosity, Expand Worlds. We are a place to experience life. We’re here to open doors and open minds. We are constantly inspired by new faces and new experiences. A tuned-in, up-for-anything spirit is at our core and has made us renowned for reinventing the norms of luxury around the globe. Whatever/Whenever is our culture and service philosophy that brings our guests’ passions to life. If you are original, innovative, and always looking towards the future of what’s possible, welcome to W Hotels. In joining W Hotels, you join a portfolio of brands with Marriott International. Be where you can do your best work,​ begin your purpose, belong to an amazing global​ team, and become the best version of you. Department: IT & Technology Language required: Spanish. The company Step inside. See for yourself. Designed by world-renowned architect Ricardo Bofill, W Barcelona sets the scene for a spectacular stay. Located on the beachfront along the famous Barceloneta boardwalk. Check into one of our 473 fabulous guest rooms & suites boasting panoramic views over the Mediterranean Sea and city of Barcelona.

We are seeking a highly skilled AI Engineer to design, develop, and optimize Agentic AI systems, leveraging Python and state-of-the-art AI technologies. The ideal candidate should have deep experience in LLMs (Large Language Models), multi-modal AI, small language models (SLMs), and autonomous AI agents. You will play a crucial role in building AI-powered agents that autonomously reason, execute tasks, and interact with humans in complex workflows. Key Responsibilities Design and develop AI-powered autonomous agents that can interact with APIs, databases, and external environments. Implement LLM-based workflows for real-time decision-making and process automation. Optimize AI models with small language models (SLMs) and multi-modal architectures to improve efficiency and task execution. Work with AI frameworks (LangChain, Auto-GPT, BabyAGI, Semantic Kernel) for advanced agentic AI capabilities. Develop robust AI pipelines integrating with cloud platforms like AWS, Azure, or GCP for scalable AI deployment. Enhance natural language processing (NLP) and reinforcement learning (RL) capabilities for dynamic AI agent behavior. Integrate AI agents with APIs, databases, and automation tools, ensuring seamless operation in real-world business applications. Implement AI safety measures including explainability, fairness, and ethical AI development. Benchmark AI models for performance and accuracy, fine-tuning large-scale AI deployments for efficiency. Required Skills & Experience Technical Skills: Programming: Strong expertise in Python (including libraries like PyTorch, TensorFlow, JAX, or LangChain). AI/ML Models: Experience with LLMs, SLMs, multi-modal AI, reinforcement learning, and self-learning AI systems. AI Frameworks: Hands-on experience with Auto-GPT, BabyAGI, LangChain, Semantic Kernel, and Hugging Face Transformers. Data Engineering: Experience working with vector databases (Pinecone, FAISS, Weaviate) and LLM fine-tuning. Cloud & MLOps: Experience deploying AI models on AWS, GCP, or Azure using tools like Kubeflow, Docker, and Kubernetes. API Development: Proficiency in RESTful APIs, GraphQL, and WebSockets for AI agent integrations. Agentic AI Architectures: Strong understanding of multi-agent collaboration, cognitive architectures, and AI-driven workflow automation. Prompt Engineering & Optimization: Expertise in LLM tuning, Reinforcement Learning with Human Feedback (RLHF), and AI evaluation metrics. Preferred Qualifications Master’s in Computer Science, Data Science, or related fields. Experience with autonomous AI agents and self-improving AI models. Knowledge of zero-shot, few-shot learning, and retrieval-augmented generation (RAG) techniques. Exposure to ethical AI principles, bias detection, and AI safety methodologies.

Company Verbio develops cutting-edge technology around the widest range of Human-Machine communications through natural language. By joining us, you will acquire a broad knowledge of our Artificial Intelligence technology and products, which include Speech Recognition, Text-to-Speech Conversion, Cognitive Natural language understanding, and Virtual Assistants. Our products are based on the latest Neural Networks and Machine Learning Techniques and by working on their implementation on real use cases, you will be closely participating in their configuration and training, as well as on complex integrations with client’s systems creating innovative solutions across various industries. The tech stack we use goes from C++, Python, Rust, Vue, or Node.js to cutting-edge ML Frameworks such as PyTorch. We use Docker for virtualization. We work with databases such as MySQL or PostgreSQL. We work as well with NVIDIA and Intel hardware accelerators. Our offices are located in Barcelona, Madrid, São Paulo, Mexico DF, and USA and you will be part of a multinational team of PhDs & Engineers in Artificial Intelligence and Software Development. If you enjoy challenges and learning daily in a very innovative environment, this is your company! Currently, we are hiring a Backend Software Engineer who will help to develop the core of our technology for our cloud product. The selected candidate will work on building the technology to create voice virtual assistants in our cloud product Speech Center. These assistants engage with end-users in natural conversations over the telephone and help them to complete specific tasks. Role You will have the opportunity to be part of the Engineering team, a growing cross-functional team at the heart of Verbio’s software development squad. You will be in close contact with the state-of-the-art AI technologies we develop at Verbio. If you have a strong passion for process automation, you love to work with different technologies and programming languages, and you like to constantly search for improvements and new tools to enhance the software development process, we definitely would love to have you on our team. We use a vast amount of different technologies to make sure every piece of our system and infrastructure is optimized for performance. We most definitely want you if... You are someone with a passion for writing high-quality code. You are not afraid of challenges and are interested in learning. You understand that change is a given in this fast-paced industry, and that excites you. You enjoy working closely with a team of peers and you strive to deliver world-class maintainable and scalable solutions. You will… Design and develop the core components of our technology. Design test scenarios for complex and high-load systems. Analyze and improve system resources' efficiency, scalability, and stability. Design, develop, and maintain AI-based cloud services and APIs Help maintain dependencies between modules in our current code base. Organize and write technical manuals and guidelines for our components. Required skills and Experience Candidate must be located in Europe Degree in Computer Science, Telecommunications, or related subject. 5+ years of experience programming in Python, C++, or Rust 2+ years of programming experience in web server experience (REST API, Websockets) or other cloud applications. Experience with CI systems (GitLab CI, GitHub Actions, …., etc.). Familiar with Docker. Familiar with the Linux ecosystem, feel comfortable using the Linux command line and simple OS administration tasks. Team player skills. Results-oriented approach with a clear ability to think strategically. Good English level (B2 or above). Nice to have Building tools (cmake, cargo,…). Design patterns, SOLID, etc. TDD. Experience in VoIP protocols (SIP, RTP, RTSP, etc.) and related toolkits (Asterisk) . Experience in scripting languages (Shell/Python). Agile methodologies (SCRUM, Kanban). Experience using JIRA. Knowledge of regular expressions. Experience with the Rust language. Familiar with web technologies (REST, JWT). Experience using Databases (MariaDB, PostgreSQL). Primary Languages, Frameworks, and Libraries Python. CMake. Docker. Git. Gitlab & Gitlab-CI. Pytorch Onnx C++. Rust. Javascript. Typescript. Bash. SQL. Benefits You will become part of a young, dynamic, and international team (8+ nationalities), with a great deal of PhDs and expert engineers. Flexible Timetable. We love and encourage challenges, so you will have infinite possibilities for learning and growth. Private health insurance