Senior Software Developer - On-Site

CM.com is building tools that help businesses connect with customers and manage every interaction smoothly. The company’s Customer Engagement Platform brings together conversations, customer data, ticketing, and payments, all supported by AI Agents. Four business units, Connect, Pay, Live, and Engage, work together to deliver these solutions worldwide. About the In-Person Payments Team The Pay business unit includes the In-Person Payments (IPP) team. This group focuses on making payment processing easy and reliable at physical locations, think festival bars, restaurants, or airports. Payment is often the final touchpoint in any customer journey, so it needs to be quick and positive. The IPP team aims to unify online and in-person payments into one integrated, omnichannel solution. Role Overview: Senior Developer – In-Person Payments This Senior Developer role sits within the IPP team in Madrid. The team designs, builds, maintains, and operates CM.com’s in-person payments products. The goal: create a scalable, sustainable architecture that lets merchants connect with customers and offer smooth payment experiences. Senior Developers here work closely with colleagues in Madrid and other locations. The work covers everything from designing new features to ensuring payments are secure and reliable in real-world settings. What You Will Do Develop and maintain products for in-person (card-present) payments. Help unify online and in-person payment systems into a single platform. Design scalable solutions that support merchants in delivering seamless payment experiences. Collaborate with a skilled development team across multiple offices. Contribute to the team’s mission of making payment moments secure and effortless for end customers. Location This position is based in Madrid, Comunidad de Madrid, Spain. About CM.com CM.com is a global company focused on improving customer interactions through technology. For more information, visit CM.com.

Ebury empowers ambitious businesses to achieve global growth, and we adopt the same philosophy for our team members. We promote innovation, collaboration, and problem-solving, creating an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to revolutionize how businesses operate on a global scale, we invite you to connect with us. Let's explore how Ebury can fast-track your career and enable you to shape the future.Senior Software Engineer (Money Flows)Ebury Madrid or Malaga Office - Hybrid: 4 days in the office, 1 day working from homeThe Engineering team at Ebury is searching for a Senior Software Engineer to play a pivotal role within our diverse team across South America and Europe. The successful candidate will be responsible for developing and optimizing our multi-currency account systems, as well as managing incoming funds and outgoing payment processes. Your contributions will be vital as we continually enhance our platform to deliver an unparalleled payment experience for our clients and operational teams.As a Senior Software Engineer, your technical expertise and skill set will be crucial to driving our innovation and growth. We value strong collaboration and commitment, working effectively within a distributed team.

At KingMakers, we are proud to be the leading platform for sports and iGaming entertainment in Africa, where millions of players engage daily across various markets. Since our inception with BetKing in Nigeria in 2018, we have rapidly expanded our footprint, most recently with the acquisition of SuperSportBet in South Africa. Our dynamic Product & Engineering organization boasts hubs across Europe and Africa, and we are committed to scaling our innovative technology platform in real-time.In this pivotal role, you will be at the forefront of our growth trajectory by driving our payments infrastructure. Every market expansion hinges on our payment systems, which handle every deposit, withdrawal, and transaction across all regions we serve. As we grow, you will face increasing complexities involving more markets, payment providers, and regulatory environments, alongside higher transaction volumes.This role is high-impact; your work will directly influence the financial infrastructure that supports our operations across multiple markets. Reliability, accuracy, and performance are paramount, and your engineering contributions will have immediate implications for both our players and the business. You will be an integral part of a collaborative squad, involved in the entire software development lifecycle, from design to production ownership.Key Responsibilities:Design, develop, and maintain payment processing services, integrating with third-party payment providers, PSPs, and financial networks.Manage features from inception to delivery, including technical design, testing, monitoring, and production support.Utilize event-driven architectures (Kafka, Service Bus) to facilitate reliable, asynchronous processing of high-volume financial transactions.Contribute to a microservices architecture built on .NET/C#, with REST APIs, gRPC, and Azure cloud infrastructure.Work closely with product managers, QA engineers, and other teams (Risk, Platform, Player Account) to create seamless user experiences.Participate in code reviews and contribute to the overall quality of engineering within the squad.Assist in diagnosing and resolving production incidents by identifying root causes.Engage in technical discussions to advocate for optimal solutions.

Treatwell is seeking a Business Development Manager focused on payment solutions to join the team in Madrid. This role centers on expanding Treatwell's TPV/POS offering, blending new business acquisition with ongoing client relationship management. The position supports a strategic area of growth and involves both sales and post-sales activities, with an emphasis on nurturing existing accounts alongside generating new leads. Role overview The Business Development Manager will drive the integration and adoption of Treatwell’s payment solutions within the current client base and among new customers. The split is roughly 30% new business development and 70% account management, requiring both a consultative sales approach and a focus on long-term client success. What you will do Contribute to the development of commercial strategies for physical payment solutions. Grow sales of TPV/POS products by identifying and pursuing upsell and cross-sell opportunities with both new and existing clients. Advise clients on selecting the most suitable payment solutions for their needs. Share industry knowledge and best practices with colleagues and teams. Collaborate closely with internal teams, including Product, Sales, Account Management, Activation, and Marketing. Track performance metrics and relay feedback to the product team to support ongoing improvement. About Treatwell Treatwell is Europe’s largest beauty booking platform, working with more than 50,000 businesses across 13 countries and processing over 8 million bookings each month. The team includes over 700 professionals working together to digitize the hair and beauty industry.

Fever is a technology platform specializing in culture and live entertainment, connecting with over 300 million people each month across more than 55 countries. The company collaborates with partners such as Netflix, F.C. Barcelona, and Primavera Sound to create memorable experiences and provide event creators with technology and insights. Role overview The Senior Treasury & Payments Specialist will play a key part in supporting finance, accounts payable, and other operational teams as Fever grows internationally. This role offers a chance to shape finance and payables processes during a period of rapid expansion. What you will do Lead development processes for Fever Originals projects. Coordinate with project managers and internal teams to ensure development payments are accurate and timely. Manage onboarding and compliance activities for stakeholders involved in payment processes. Assist with the month-end financial reporting cycle. More about Fever can be found at https://feverup.com/.

About Us & Our CultureAre you ready to make a significant impact? At Cabify, we are dedicated to transforming urban environments by enhancing mobility for all city dwellers. Our goal is to connect riders with drivers effortlessly, paving the way for a future where private cars are not a necessity. Join us on this exciting journey!Diversity is the heartbeat of our Product & Engineering teams. We actively seek to recruit talent from various backgrounds, supporting initiatives like Women Tech Dating, Contrata Diferente, and our Internal Diversity Committee. We strive to create an inclusive atmosphere where every contribution is valued. Become a part of Cabify's innovative teams that reflect the diverse talent landscape in the tech industry.Currently, we serve over 20 million users across 8 countries and 90 cities, rapidly adapting our product to lead in various markets while prioritizing sustainability.Discover more about us in our Public Tech Handbook HERE.About the Role:We are in search of a highly qualified and strategic Payments Business Expert to join our Payments Business department. This critical role involves a thorough analysis of our payment ecosystem, utilizing expertise to enhance processing efficiency, manage intricate relationships with payment providers, and strategically drive improvements in our payment structure and performance to maximize business value.

Join Sopra Steria as a Payment Solutions Technical Analyst in Madrid, where you will play a crucial role in enhancing our payment systems and ensuring optimal functionality. You will collaborate with cross-functional teams to analyze, design, and support payment solutions that meet the evolving needs of our clients.

Welcome to Adyen At Adyen, we are a leading financial technology platform that integrates payments, data, and financial products into a single solution for renowned clients such as Meta, Uber, H&M, and Microsoft. Our mission is to create an innovative environment where our teams can thrive and push the boundaries of technology to achieve ambitious outcomes. We believe in empowering our people to take charge of their careers, offering a culture that facilitates growth, collaboration, and the tackling of unique technical challenges. Together, we craft ethical and innovative solutions that enable businesses to reach their goals more efficiently. Adyen’s Financial Products Our team is expanding our data-driven capabilities to operate seamlessly on a global scale, enabling businesses worldwide to accept payments, issue cards, and embed financial products with ease. We are dedicated to enhancing our reliability as we scale our operations, as highlighted in our Black Friday processing data report. We are looking for a dedicated Staff Engineer with extensive experience in Java Software Engineering and a proven track record in technical system design. In this pivotal role, you will be instrumental in architecting, developing, and scaling systems that address real business challenges. You are a motivated individual with a strong curiosity for new technologies, a desire to learn, and a passion for leveraging technology as a practical tool to deliver significant business value. Your knack for solving complex problems will thrive in our innovative, continuously learning, and collaborative environment. Key Responsibilities Design and develop robust, scalable software systems to enhance production environments and platform models. Work closely with Product, Data Scientists, and business stakeholders to identify business challenges and translate them into effective technical solutions. Assess new technologies, frameworks, and tools, advocating for their adoption to address real-world business issues. Provide mentorship and guidance to junior engineers and peers through technical leadership and knowledge sharing.

Ebury is growing its Financial Crime Intelligence Product team in Madrid and is looking for a Senior Product Manager focused on Name and Payment Screening. This hybrid position (four days in-office, one day remote per week) centers on making screening smarter, more automated, and more accurate as Ebury expands its global financial services. Role overview This role leads the Name Screening and Payment Screening product area, supporting secure access for clients, counterparties, and transactions. The Senior Product Manager will work closely with First Line, Compliance, Engineering, and Data teams to shape the future of Ebury’s screening capabilities. The position reports directly to the Head of Financial Crime Intelligence Product. What you will do Oversee screening for customer onboarding, ongoing monitoring, and transactions across clients and counterparties. Define and drive the strategic direction for screening, ensuring alignment with both Financial Crime Intelligence and company-wide goals. Build and maintain a clear, actionable roadmap covering fiat-to-fiat, fiat-to-crypto (primarily stablecoins), crypto-to-crypto, and card transactions. Optimize list sources for sanctions, politically exposed persons (PEPs), and adverse media in line with compliance frameworks and risk appetite. Use data and research to identify pain points and improve fuzziness scores in matching logic. Apply AI technologies to improve screening accuracy, focusing on risk-based matching, prioritization, and alert management. Collaboration This role involves frequent collaboration with cross-functional teams, including Compliance and Engineering, to ensure screening solutions meet regulatory and business needs. Vendor integrations and ongoing optimization of matching logic are key areas of responsibility. Location and work model This position is based in the Madrid office, following a hybrid schedule: four days in the office and one day remote each week.

Ebury empowers ambitious businesses to achieve global growth, and we extend the same philosophy to our team members. We nurture an environment that promotes innovation, collaboration, and problem-solving, ensuring that everyone feels valued, supported, and empowered to thrive.If you're a team player eager to revolutionize how businesses operate on a global scale, reach out to us - we would love to explore how Ebury can elevate your career and enable you to shape the future.Senior Data Analyst - AI Personalisation & Digital GrowthMadrid / Malaga Office - Hybrid: 4 days in the office, 1 day working from homeWhy This Role Exists Ebury has recently revitalized its brand, visual identity, and has re-platformed every client-facing system. Now, we need to ensure that this new identity converts. We are seeking someone capable of linking our data warehouse, AI capabilities, and digital channels to answer a critical question:How can we transform every client interaction into a customized, high-converting experience that makes each client feel unique?Currently, monitoring essential product adoption and conversion metrics across channels involves manual SQL queries and reconciling inconsistent tracking tools. In the future, we aim for a single source of truth—automated, reliable, and actionable—that not only reports on performance but actively enhances personalization across our website, app, emails, and every journey our clients navigate.What You’ll Own Digital Analytics & Conversion IntelligenceDevelop and manage the Unified Product Adoption & Marketing Analytics Framework—the definitive source of truth for client behavior across web, mobile app, API, and offline channels.Track the complete client lifecycle: from initial website visit to onboarding, first transaction, and expansion into new products.Identify conversion drop-offs by country, channel, and business line, recommending data-driven interventions.AI-Driven Hyper-PersonalisationEstablish the analytics and data foundations for hyper-personalized client experiences—utilizing insights from our client intelligence graph to provide tailored interfaces, content, and product recommendations.Partner with the AI Platform team to define and assess personalization experiments...

Ebury is looking for a (Senior) Product Manager to lead Name & Payment Screening within the Financial Crime Intelligence Product area. This position is based in Madrid and follows a hybrid schedule: four days in the office and one day remote each week. Role overview Screening is central to Ebury’s approach for secure and scalable access to global financial services. As Ebury expands its product range and payment options, the focus is on making name and payment screening more automated, intelligent, and accurate. This role reports to the Head of Financial Crime Intelligence Product and works closely with teams across Compliance, Engineering, Data, and First Line. Main responsibilities Take ownership of the Name Screening & Payment Screening product area, covering customer onboarding, ongoing monitoring, and transaction screening for both clients and counterparties. Develop and communicate a clear strategy for screening that aligns with the broader Financial Crime Intelligence Product domain and Ebury’s overall vision. Create and maintain a practical roadmap for screening across different transaction types, including: fiat to fiat transactions fiat to crypto transactions (with a focus on stablecoins) crypto to crypto transactions card expenditures Enhance and expand list sources for sanctions, politically exposed persons (PEP), and adverse media, ensuring these align with Ebury’s compliance frameworks and risk appetite. Use data and research to identify pain points and improve fuzziness scores in screening logic. Apply AI-driven techniques to improve screening accuracy, including risk-based matching, prioritization, and alert mechanisms, with the aim of reducing false positives. Lead vendor integrations and refine list and matching logic to support ongoing product and business needs. Team collaboration This role works cross-functionally with Compliance, Engineering, Data, and First Line teams to deliver screening solutions that meet regulatory and business requirements. Location and work model The position is based in Ebury’s Madrid office. The hybrid work model includes four days onsite and one day working from home each week.

Join our dynamic team at inetum2 as a Project Manager specializing in payment solutions. In this pivotal role, you will lead projects that innovate and enhance our payment processing capabilities, ensuring seamless transactions for our clients. Collaborate with cross-functional teams to define project scopes, establish timelines, and deliver exceptional results.

Role Overview Treatwell is seeking a Business Consultant focused on Payment Solutions to help grow a strategic business area. Based in Madrid, this position centers on promoting Treatwell's TPV/POS systems to our existing client base, while also reaching out to new clients. The role combines both sales and post-sales responsibilities, with roughly 30% of time spent on acquiring new clients and 70% on nurturing and expanding relationships with current partners. Main Responsibilities Collaborate on the commercial strategy for physical payment solutions. Manage and develop sales of TPV/POS solutions for both new and existing clients. Identify upselling and cross-selling opportunities, guiding clients to the most suitable payment options. Share industry knowledge and best practices with the team. Work closely with Product, Sales, Account Management, Activation, and Marketing teams. Monitor performance and results, providing feedback to the product team. About Treatwell Treatwell is the largest beauty booking website in Europe. Our team of over 700 professionals works across multiple European countries, partnering with more than 50,000 service providers in 13 countries. Each month, we process over 8 million bookings. Our mission is to digitalize the hair and beauty industry, and we are just getting started.

At Euronet Worldwide, we are not just creating payment solutions; we are pioneering the future of global money movement as a leader in payment processing and cross-border transactions. Our innovative products, ranging from mobile wallets and card issuing to real-time payment platforms, are driving digital transformation in over 160 countries.We are in search of a talented Project Manager to lead and oversee intricate projects, delivering significant value within the Euronet group. The ideal candidate will be integrated into a diverse multinational team at our Madrid office, contributing to the successful implementation of cutting-edge financial solutions.If you possess a passion for technology and are eager to thrive in a dynamic environment, Euronet is the perfect place for you!Your Life @EuronetAs part of the #Euronetter community, you will engage in a people-centric culture grounded in trust, respect, and collaboration. Your contributions will be acknowledged, and your professional growth will be supported through meaningful career development opportunities.Perks & Benefits That MatterFeel valued as a member of a truly international organization.Receive a competitive salary within a financially stable company.Access endless opportunities for skill development in a rapidly growing company.Join a team with a strong spirit of collaboration, ambitious objectives, and a fun atmosphere.Enjoy autonomy and flexibility in your work.Private healthcare (option to be deducted from your gross salary).Meal vouchers.Discounted Employee Stock Purchase Plan (ESPP).Opportunities to enhance knowledge in ATM operations (360º).How You’ll Make an ImpactLead the comprehensive delivery of complex electronic financial transaction projects across Europe, ensuring timely and successful outcomes.Drive project achievements by crafting clear plans, defining milestones, tracking progress, and conducting regular project reviews.Collaborate with cross-functional teams to align priorities, manage changes in scope and timelines, and ensure smooth execution.Clearly communicate project scope, objectives, and expectations to all stakeholders, ensuring full understanding.Act as a reliable point of contact by managing stakeholder expectations, addressing concerns proactively, and nurturing strong working relationships.Identify risks early, implement effective mitigation strategies, and introduce innovative solutions to overcome obstacles and keep projects on track.Provide transparent and consistent project reporting, maintaining up-to-date status updates in company systems and delivering clear written communication to stakeholders.

Key Responsibilities- Design the architecture of web pages based on provided layouts.- Develop reusable code for future projects.- Implement mobile-first design principles to ensure optimal user experience on smartphones.- Monitor and enhance website performance for speed and scalability.- Exhibit self-management skills and effectively prioritize tasks.Essential Qualifications- Proficiency in Laravel, PHP, MySQL, HTML5, CSS3, JavaScript, Sass, Git, VueJS, and TailwindCSS.- Minimum of 3-5 years of proven experience in PHP Laravel, HTML, CSS, and JavaScript development.- Deep understanding of SCSS and Blade templates (Laravel).- Familiarity with VueJS, AMP, and TailwindCSS is preferred.- Experience in responsive and adaptive design methodologies.- Knowledge of SEO best practices.- Proven experience with collaborative version control systems.- Background in an agile team environment.- Excellent English communication skills, both verbal and written.- Strong grasp of Object-Oriented design principles and methodologies.- Experience with databases, including relational and NoSQL databases.- Competence in integrating third-party APIs and libraries.- Experience with search servers (e.g., Elastic or Algolia) is a plus, but not mandatory.- If you have a GitHub account or have contributed to open-source projects, we'd love to hear about it in your cover letter.

Role Overview JetBrains is looking for a Senior Fullstack Developer to focus on AIR Automations. This role involves working closely with a skilled team to build and improve automation solutions. The position calls for strong experience in both frontend and backend development to create reliable applications that support customer workflows. Location Options include Belgrade, Berlin, Madrid, Munich, Prague, or remote within Germany.

Join our dynamic team at Sopra Steria as a Senior Developer in Madrid! We are looking for an innovative and experienced professional to contribute to our exciting projects in a collaborative environment. In this role, you will leverage your technical skills to deliver high-quality software solutions while mentoring junior developers.

Veolia Environnement S.A. is seeking a Personal Administration Specialist based in Madrid. This role centers on handling employee processes and providing essential administrative support across the organization. Role overview The Personal Administration Specialist manages a range of employee-related procedures. Tasks include supporting workforce administration and ensuring that documentation and records remain accurate and up to date. Workplace impact This position contributes to a positive work environment by supporting daily operations and helping the team comply with labor laws and regulations. Attention to detail and a focus on compliance are key aspects of the job.

Join the dynamic team at inetum2 as a Senior Ignition Developer, where you will be instrumental in developing and implementing innovative solutions using Inductive Automation's Ignition platform. You will work in a collaborative environment that values creativity and forward-thinking, helping our clients achieve their automation goals.