Senior AI/ML Engineer

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 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.

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 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:

Join Sopra Steria as a Senior Machine Learning and LLM Engineer, where you will be at the forefront of developing innovative AI solutions. This role involves designing and implementing robust APIs and full-stack applications that leverage the latest advancements in machine learning and large language models. Your expertise will contribute to shaping the future of our digital services and enhancing user experiences.

Role Overview Veolia Environnement S.A. is hiring a Senior Sanitation Engineer for the Barcelona office. This position leads complex sanitation projects and plays a key part in shaping wastewater management strategies. Main Responsibilities Lead the planning and execution of sanitation projects, from design through implementation. Ensure all work meets environmental regulations and company standards. Develop and apply new approaches to improve wastewater management. Work closely with teams from various disciplines to deliver project goals. Mentor and support junior engineers throughout project phases. Location This role is based in Barcelona.

Join Datavant as a Senior Platform Engineer and play a pivotal role in shaping our platform's architecture and functionality. We are seeking an innovative and technically proficient individual who thrives in a fast-paced environment. You will be responsible for developing scalable solutions, ensuring the reliability of our services, and collaborating with cross-functional teams to enhance our platform's features.

Join NielsenIQ as a Senior Antibot Engineer and play a pivotal role in enhancing the security and functionality of our systems. You will be responsible for developing sophisticated antispam and antibot solutions that protect our data integrity and improve user experience. Collaborate with cross-functional teams to identify vulnerabilities and implement robust measures against automated threats.

Join the Team at dLocal!At dLocal, we empower some of the largest global enterprises to seamlessly collect payments across 40 emerging markets. Our innovative solutions help renowned brands enhance conversion rates and ease the complexities of payment expansion. Serving as both a payment processor and a merchant of record, we facilitate our merchants' growth in the world’s most rapidly evolving markets.By joining dLocal, you will become part of a dynamic and diverse global team, collaborating with over 1000 teammates from more than 30 nationalities. Your role here will have a significant impact on millions of people's daily lives. We are a team of builders who embrace challenges and prioritize customer satisfaction. If you resonate with our values, we believe you will thrive in our environment.

Join Lodgify as a Senior Data Engineer and take the lead in shaping our robust data platform. In this pivotal role, you'll design, implement, and optimize data pipelines and infrastructure, driving data-informed strategies that propel our company forward. Collaborate with a diverse team of professionals in the heart of Barcelona, where innovation meets technology in the vacation rental industry.

Join our innovative team at anybotics as a Senior Angular Engineer, where you will be at the forefront of developing cutting-edge software solutions. This role is perfect for individuals who are passionate about building high-performance applications and enjoy collaborating in a dynamic environment.

Join the innovative team at Fundamental as a Senior Applied Research Engineer in Barcelona. In this pivotal role, you will leverage your extensive expertise in applied research to develop cutting-edge solutions that drive our projects forward. You will collaborate with a dynamic team of engineers and researchers, pushing the boundaries of technology to create impactful products.

About Us:Are you ready to make a meaningful impact? Join our dynamic team at Rover, where work meets play!At Rover, we believe that everyone deserves the unconditional love of a pet. Since our inception in 2011, we have been dedicated to connecting dog and cat parents with trustworthy pet sitters and dog walkers across the United States, Canada, and Europe through our user-friendly app and website. We empower our community of pet care professionals to establish and grow their businesses with the support and resources of a global company.Headquartered in Seattle, Washington, we collaborate with our talented teams in Barcelona, San Antonio, Spokane, and remote locations. Our commitment to creating a fantastic workplace has earned us recognition as one of the 100 Best Companies to Work For by Seattle Business Magazine and Washington’s Best Workplaces by the Puget Sound Business Journal. Our agile, fast-growing company is led by individuals with extensive experience from some of the world's leading tech firms.At Rover, we cherish our furry colleagues as much as our human ones. Our mission extends beyond enhancing the joys of pet ownership; we are equally dedicated to cultivating a diverse, inclusive, and welcoming community for pet lovers, starting with our employees.This position offers relocation assistance to Barcelona. This is a permanent, full-time role with a hybrid work schedule—Mondays and Thursdays in our office located in Poblenou, Barcelona.Please submit your CV in English.Data Engineering at Rover:Data is the backbone of Rover's operations. Our team collaborates with various departments to ensure that the data driving our business decisions is accurate, up-to-date, and dependable, while our reporting infrastructure serves the needs of everyone from analysts to executives.Are you eager to contribute to the modernization of our Data Platform and enhance our ETL tools? If you are enthusiastic about collaborating across teams—from Product to Data Science—this role will offer you the opportunity to engage in exciting projects that make a difference while expanding your knowledge in the process.

Join Our Team at Codeway At Codeway, we create innovative consumer applications that enrich the lives of millions globally. Our focus on cutting-edge AI technology, user-centric design, and high-quality standards drives our mission in wellness, learning, and productivity. As a pivotal part of our expanding engineering team in Barcelona, you will be immersed in a vibrant culture that emphasizes ownership, rapid execution, and exceptional craftsmanship. We empower our engineers to influence product decisions and deliver impactful solutions to our users swiftly. Role OverviewWe are on the lookout for a dedicated and skilled Senior DevSecOps Engineer. In this vital role, you will spearhead security awareness initiatives within our development and deployment processes while implementing advanced security solutions through a variety of tools. Your expertise will play a crucial role in safeguarding the integrity, confidentiality, and availability of our applications and data within our expansive cloud infrastructure. Key ResponsibilitiesSecurity Awareness & Training: Design and execute security training programs for development and operations teams, promoting best practices in secure coding and deployment.Security Policies & Procedures: Develop, establish, and enforce security policies, standards, and procedures that align with industry best practices and regulatory requirements.

Role Overview Emburse is hiring a Senior Security Engineer in Barcelona. This role focuses on protecting digital assets and infrastructure. The position involves designing, implementing, and maintaining security controls to safeguard sensitive information. Key Responsibilities Develop and maintain security measures across systems and networks Work with teams from different functions to support compliance with security policies Assess risks and respond to potential threats Promote best practices for information security throughout the company

Welcome to Back Market.Our mission is to make technology reliable, affordable, and superior to new. As a leading global marketplace for refurbished devices, we are committed to reducing our environmental footprint by providing trustworthy and affordable tech that boasts 92% lower carbon emissions compared to new products.Indeed, refurbished tech is significantly more eco-friendly. With each device purchased on Back Market, we contribute positively to the planet. Every team member, from customer service to software engineering, plays a role in easing the burden on both the environment and consumers. Our goal is straightforward: to maximize what we have.Are you prepared to be part of this mission?The PayIn team is dedicated to creating a robust and adaptable payment system for both customers and sellers.As the PayIn Engineering Manager, you will spearhead a cross-functional team of eight skilled engineers (backend, frontend, and mobile) tasked with shaping the future of customer payment experiences.We are not merely iterating; we are innovating, leveraging cutting-edge payment technologies such as internal wallets, open banking, and AI to provide efficient and budget-friendly solutions.Situated at the core of our organization, you will be instrumental in facilitating strategic initiatives like subscription services and advanced wallet infrastructure, which will enhance customer satisfaction and drive business growth.

About seQuraseQura is at the forefront of innovative payment solutions, enabling merchants to enhance customer acquisition, conversion, and retention seamlessly.Our tailored solutions cater to diverse sectors including Retail, Education, Optics, and Travel, making significant strides in sales performance. We empower consumers with smart shopping options that offer value, convenience, and flexibility, providing new payment experiences that enable savings, access to interest-free credit, and manageable installment plans of up to 24 months.Founded in the vibrant city of Barcelona, seQura is a privately-owned fintech in a dynamic scale-up phase. With a presence in Southern Europe and Latin America, we are experiencing remarkable growth, achieving over 50% CAGR and exceeding 100 million in Annual Recurring Revenue. Our reputation is bolstered by the trust of over 5,000 businesses and 2 million shoppers, with an impressive NPS of 87%, a Trustpilot rating of 4.5/5, and a Glassdoor rating of 4.3/5.About the Role We are seeking a seasoned Senior Data Platform Engineer to join our Data Platform team, where you will play a critical role in scaling seQura’s data ecosystem through innovative automation, robust platform capabilities, and intuitive self-service tooling.Your primary mission will be to advance our Data Platform as a Product, empowering software engineers, analysts, data scientists, and business teams to harness data effectively throughout its lifecycle—from ingestion to discovery—while embedding security, governance, and reliability into the platform by default. You will enable teams across the organization to access trusted data and make informed, data-driven decisions.This position extends beyond merely constructing data pipelines; you will be responsible for designing the guardrails, abstractions, and platform capabilities that facilitate other teams in building and scaling their own data products safely and efficiently.You will thrive in our cloud-native AWS environment, where Infrastructure as Code, observability, and automation are foundational engineering principles.Challenges You'll Tackle ...