Senior Machine Learning and LLM Engineer (API & Fullstack) - English Required

Are you a passionate Fullstack Engineer ready to take on exciting challenges? Join Scopely, a leading interactive entertainment company, where you'll work on innovative gaming projects that captivate millions of players worldwide.As a Fullstack Engineer, you will design and develop robust web applications, ensuring a seamless user experience. Collaborate with cross-functional teams, contribute to architectural decisions, and implement best practices in coding and testing.

Join Contentsquare as a Senior Fullstack Software Engineer, where you will play a pivotal role in our Growth line, enhancing user conversions and driving customer retention strategies. This position offers the flexibility of being based in our Barcelona or Cairo offices or working remotely from Spain, Italy, Poland, or Portugal. You will collaborate with a diverse team to maximize monetization efforts while fulfilling our users' needs effectively.

Wizeline is a global digital services company that works with clients ranging from mid-size businesses to Fortune 500 enterprises. The team focuses on building and improving digital products and services, helping organizations strengthen their digital capabilities and modernize their core technology. Role overview This Senior Fullstack Software Engineer position is based in Barcelona. The role centers on solving complex technical challenges for clients, with an emphasis on human-centered digital experiences and integrating intelligence such as AI, machine learning, and data-driven solutions. Who we’re looking for Wizeline seeks candidates who are passionate about technology and eager to take on new challenges. A strong interest in developing digital solutions and working on innovative projects is important for this role.

Join our dynamic team as a Fullstack Engineer specializing in Java and Angular. In this role, you will be responsible for designing and implementing robust software solutions that enhance user experiences and meet our clients' needs. Collaborate with cross-functional teams to drive innovation and ensure the successful delivery of projects.

Wizeline delivers AI-native technology solutions and builds digital products and platforms for clients worldwide. The company focuses on using data and AI to help organizations launch products faster and drive meaningful change. Collaboration, growth, and making a real impact are central values here. Role overview This Fullstack Software Engineer position is based in Barcelona. The role centers on designing and developing digital products that use AI and data to solve real business problems. Working closely with clients and team members, you will contribute to projects that aim to accelerate time to market and support business transformation. What you will do Build and maintain fullstack applications as part of a collaborative team Work with AI-driven technologies to create innovative solutions Contribute ideas and expertise to deliver high-quality digital products What we value Curiosity and a drive for growth Openness to collaboration and teamwork A focus on making a positive impact through technology

About Us:At Wizeline, we are a leading global provider of AI-driven technology solutions, crafting innovative digital products and platforms that harness the power of data and artificial intelligence. Our mission is to empower businesses through transformative technology, enabling them to accelerate their market entry and achieve significant growth. We pride ourselves on our collaborative culture, where creativity and innovation thrive among a community of professionals dedicated to making a meaningful impact.With the right talent and visionary ideas, we believe that there are no limits to what we can accomplish together.Are You the Right Candidate?Excited about the opportunity? Let’s ensure you meet the qualifications we’re looking for:

N26 is looking for a Site Reliability Engineer to join the Platform Engineering team in Barcelona. This role centers on supporting the reliability and performance of the company’s banking platform. Role overview As a Site Reliability Engineer, the main focus is on developing, improving, and maintaining platform systems. Daily work involves collaborating with colleagues from various teams to keep systems stable and efficient. Key responsibilities Work closely with cross-functional teams to support platform operations Enhance and maintain system reliability and performance Implement monitoring solutions and automation tools Participate in incident response and help drive improvements Location This position is based in Barcelona.

Join Monzo as an Engineering Manager in beautiful Barcelona! In this role, you'll lead a talented team of engineers, driving innovation and ensuring the delivery of high-quality software solutions. You will be responsible for nurturing a collaborative environment, mentoring team members, and overseeing project timelines and technical direction.

Join our dynamic team at Veolia Environnement SA as a Telecontrol Engineer. In this pivotal role, you will be responsible for overseeing telecontrol systems that ensure the seamless operation of critical infrastructure. Your expertise will contribute to optimizing performance, enhancing reliability, and implementing innovative solutions across our operations.

airapps is hiring a Release Engineer based in Barcelona. This position centers on making software delivery smoother and more reliable, with a focus on moving code from development into production efficiently. Role overview Release Engineers at airapps play a key part in shaping how applications are delivered and updated. The work involves close collaboration with engineering teams to ensure that releases happen smoothly and processes continue to improve over time. What you will do Collaborate with engineers to refine and optimize release management workflows Support application deployments, working to ensure each release is reliable and trouble-free Contribute ideas and effort to ongoing improvements in how software is delivered

About the CompanyEmburse is committed to enhancing the lives of our users and their businesses by revolutionizing the management of corporate expenses and invoices. Our mission is to transform the way organizations handle these tasks, making work more human by automating manual processes and saving valuable time. This enables our users to prioritize what truly matters to them, be it family, community, or more fulfilling work. We empower CFOs to provide their teams with a seamless and exceptional experience while ensuring compliance and cost-efficiency. Our tailored solutions cater to a diverse range of clients from startups and SMBs to large enterprises such as Microsoft, Pinterest, Bosch, Bill & Melinda Gates Foundation, and Estée Lauder, with over 18,000 customers and 12 million users worldwide.We are looking for an enthusiastic Staff Engineer to join our team at Emburse. In this role, you will collaborate with engineering managers, senior engineers, and cross-functional partners to shape the technical foundation of our products. You will have the opportunity to engage hands-on in building crucial systems and will be instrumental in the successful execution of large-scale technical initiatives. Additionally, you will serve as a technical mentor and leader, guiding other engineers in their professional development.

Join our innovative team at Trainline as an Android Engineer. In this role, you will be responsible for developing and maintaining cutting-edge mobile applications that enhance the travel experience for our users. You will work collaboratively with cross-functional teams to design, implement, and optimize features that make traveling easier and more efficient.

About Monzo Monzo Bank Ltd. is working to make banking simpler and more accessible for everyone. Since starting as a prepaid card, Monzo has grown to offer a wide range of services in the UK, including personal accounts, business accounts, joint accounts, accounts for 16-17 year olds, a kids account, and credit cards. Customers can also save, invest, and manage pensions through Monzo. Monzo is known for its hot coral cards, features like get-paid-early, and a focus on financial education and strong customer support. The team aims to solve real problems and improve lives through better banking. Role Overview: Android Engineer This Android Engineer position is based in Barcelona, Spain. The role follows a hybrid model, with three days a week in the office. Compensation and Benefits Competitive base salary (based on experience) Incentive awards tied to performance Benefits package

We are seeking a dynamic and knowledgeable Electrical Installations Specialist Engineer to join our engineering team in Barcelona. In this role, you will be responsible for the design, implementation, and maintenance of electrical systems in various projects. Your expertise will be critical in ensuring that all installations meet the highest safety and efficiency standards.

Role OverviewJoin our dynamic team at Catenon as a Process Engineer based in our Barcelona headquarters. You will play a crucial role in driving continuous improvement initiatives for our manufacturing plant located in Southeast Asia, focusing primarily on enhancing cost efficiency, product quality, and production throughput.Key Responsibilities:Maintain comprehensive process documentation, including flowcharts and operator manuals, for all products transitioned to manufacturing.Identify, assess, and apply cost-saving strategies and procedural enhancements.Collaborate with the New Product Development (NPD) team to design and implement production methods that align with cost, quality, and output targets for both new and existing products.Conduct root cause analyses, develop corrective action plans, and utilize quality tools to drive improvements.Engage with various engineering disciplines to innovate and refine design and process methodologies for enhanced quality and efficiency.Ensure all improvement activities comply with established methods, procedures, and quality standards.Recommend and execute enhancements to current processes, tooling, components, and equipment.Stay updated on the latest technologies, materials, equipment, and best practices; provide training to department staff and key plant personnel.Evaluate proposals from external suppliers regarding the acquisition or modernization of production and processing equipment.Develop, implement, and uphold Standard Operating Procedures (SOPs) for both new and existing processes, and deliver training as necessary to technicians, operators, and support staff.Contribute to Manufacturing Quality certification efforts by observing operational procedures and ensuring proper equipment maintenance through Preventive Maintenance (PM) practices.Provide technical support for prototype development and assembly.

Join our dynamic team at dlocal as a Staff Engineer - Payments Performance. In this role, you will have the opportunity to drive improvements in our payments systems, optimizing performance and ensuring seamless transactions for our clients worldwide. We are looking for innovative thinkers who are passionate about technology and eager to tackle challenging problems in the payments landscape.

Airapps is looking for a Backend DevOps Engineer in Barcelona to help strengthen cloud infrastructure and improve deployment processes. This position involves working closely with teams from different disciplines to build scalable systems and automate key workflows. Role overview The Backend DevOps Engineer will focus on supporting and optimizing cloud-based environments. The work includes streamlining deployment pipelines and maintaining high performance for applications across the company. Collaboration This role requires frequent collaboration with cross-functional groups. Sharing knowledge and finding practical solutions together will be part of daily work. Key responsibilities Enhancing and maintaining cloud infrastructure Automating deployment and operational workflows Working with teams to deliver scalable solutions Ensuring applications run efficiently and reliably

About UsAt Perk, formerly known as TravelPerk, we are revolutionizing travel and spend management through our intelligent platform. Our innovative tools automate tedious tasks such as travel bookings, expense management, and invoice processing, allowing organizations to focus on what truly matters. With a mission to eliminate shadow work that drains productivity and stifles creativity, we empower businesses to achieve meaningful outcomes.Serving over 10,000 clients globally, including industry leaders like Wise, On Running, Breitling, and Fabletics, we address the staggering $1.7 trillion issue of lost productivity, which amounts to 7 hours per employee weekly. Established in 2015, Perk has expanded to a team of more than 1,800 professionals across 12 international offices, with headquarters located in London and Boston. Our commitment to combining innovation, control, and simplicity is reflected in our transformative approach to workplace dynamics.Driven by core values such as ownership, delivering exceptional experiences, and teamwork, we prioritize curiosity, purpose, and mindset to harness your full potential. Our talented team comprises leading experts from the travel and SaaS sectors, representing over 70 different countries. If you are eager to make a significant impact and influence how millions experience work, we invite you to join our team.Discover more about us at www.perk.com.

Greetings! We are Fever, the premier technology platform dedicated to culture and live entertainment.Our mission? To make culture and entertainment accessible for everyone. Through our innovative technology and data-driven strategies, we are transforming how people interact with live events. Every month, our platform captivates over 300 million users across more than 40 countries, guiding them to discover remarkable experiences while empowering event creators with our data and technology to expand, innovate, and enhance their events.Our achievements? We have collaborated with industry giants like Netflix, F.C. Barcelona, and Primavera Sound, delivered internationally recognized experiences, and received backing from top global investors. Exciting, right? To fulfill our mission, we seek trailblazers with a proactive attitude who are enthusiastic about shaping the future of entertainment! Are you ready to join the experience?Now, let’s explore this role and how you can contribute to Fever’s mission.About You:We are in search of a Graduate Software Engineer to become part of our Backend team. This position is tailored for recent graduates or final-year students eager to kickstart their careers in software engineering and advance rapidly in a genuine production environment. This is not an internship. It’s a full-time role for individuals at the beginning of their professional journey who are passionate about software development, eager to learn, and excited to work on real systems that serve millions of users.If you value writing clean code, understanding the why behind processes, and improving incrementally — you'll thrive here.What We Are Looking For:We are seeking someone who:Is looking for their first professional experience as a software engineerCares about code quality, best practices, and learning the right wayIs curious, proactive, and enjoys problem-solvingIs comfortable learning through hands-on experience, receiving feedback, and iteratingCan’t envision a system without version control