Software Engineer (Python) at Lynxtech | Madrid

Note: Only candidates located in Spain will be considered. Visa sponsorship is not available. Lynx Financial Crime Tech S.A develops AI-driven systems to detect and predict behavioral patterns in financial transactions. The team draws on backgrounds in both finance and academia, focusing on self-learning tools that support low-latency processing for clients …

Join Our Team:At INFINIT, we are seeking a talented Full Stack Software Engineer to be an integral part of our dynamic product development team. You will play a crucial role in transforming business objectives into tangible, high-quality software solutions.About Us:Founded in 2023, INFINIT is a rapidly expanding fintech scale-up with operations across Europe and the Americas. We are committed to revolutionizing the SME sector through cutting-edge AI technology. Our comprehensive operating system centers around banking, equipping small business owners and their teams with the tools they need to efficiently manage and enhance their operations.By focusing on niche industries, INFINIT provides customized, high-impact solutions while innovating AI-driven products that unlock substantial growth for our clients. Our ambitions are global, aiming to redefine the fintech landscape for SMEs worldwide.Embark on the INFINIT journey as we reshape the SME economy and create meaningful change through innovation!

About Speechify Speechify helps people access information by listening instead of reading. Users can listen to articles, cloud documents, and books on their phones, making learning more flexible and accessible. As the top-ranked app in its category, Speechify continues to grow quickly and reshape how people consume audio information. Role Overview The Core Experiences Team builds and maintains the services and SDKs that support Speechify’s product across many platforms. As a Senior Software Engineer in Madrid, this role combines product development with infrastructure work. The position suits someone who enjoys designing reliable APIs, creating straightforward systems, and improving user experience through thoughtful engineering decisions. What You Will Do Collaborate with Product Teams to define project scopes, improve processes for faster customer feedback, and balance integration and user experience needs across teams. Deliver solutions through Speechify’s cross-platform SDK. Improve existing features for better performance, including faster load times and smarter parsing, by refining abstractions and algorithms. Build cloud functions, lightweight backend services, and jobs using Kotlin. What We Look For Strong systems thinking and a preference for simple, effective design. Ability to move quickly, generate ideas, and distinguish between immediate deliverables and projects that need more time. Focus and adaptability within a startup setting, knowing when to collaborate and when to work independently. Experience working with designers, marketers, and product managers; able to inspire and negotiate across disciplines. Location: Madrid, Spain

zooplusse is looking for a Senior AI Software Engineer to strengthen its team in Madrid. This position centers on the software development lifecycle (SDLC) for AI-driven products. Role overview This engineer will work closely with colleagues from different disciplines to create and implement AI algorithms. The focus is on building solutions that improve user experiences and contribute to business goals. Key responsibilities Take part in all phases of the SDLC for AI projects, from initial design through deployment. Work with cross-functional teams to define and deliver technical solutions. Develop and refine advanced algorithms for real-world applications. Location This role is based in Madrid.

Join our innovative team at arsys2, where you will be at the forefront of developing cutting-edge solutions. As an AI-Driven Software Engineer, you will transform architectural specifications into robust, efficient, and production-ready code. Your expertise in building and optimizing a hybrid Node.js–C++ system will be invaluable as you leverage AI tools to accelerate development speed without sacrificing quality.

Ebury empowers ambitious businesses to achieve global expansion, and we apply the same philosophy to our workforce. We promote innovation, collaboration, and problem-solving, creating an environment where every employee feels valued, supported, and empowered to thrive.If you are a team player eager to revolutionize global business operations, reach out to us. We would love to explore how Ebury can enhance your career and help you shape the future.Senior Software EngineerMadrid Office - Hybrid: 4 days in the office, 1 day working from homeThe FinCore Engineering team at Ebury is looking for a talented Software Engineer to play a vital role in our diverse team located across South America and Europe. The successful candidate will be responsible for developing and optimizing our multi-currency accounting system and facilitating foreign currency exchanges. Your contributions will be essential as we strive to elevate our platform and deliver the best FX experience for our clients and operational teams.As a Senior Software Engineer, your technical expertise will be crucial to our ongoing innovation and growth. We prioritize collaboration and commitment, functioning in a distributed model where effective teamwork is essential.

Are you ready to make a significant impact? At Cabify, we are on a mission to transform urban living by enhancing mobility for residents, seamlessly connecting riders with drivers at their fingertips. Our vision is to create cities where private cars are a thing of the past. Are you interested in being part of this transformative journey? At Cabify, our commitment to diversity shapes our Product & Engineering teams. We actively seek talent from a variety of backgrounds, supporting initiatives such as Women Tech Dating and our Internal Diversity Committee. Our inclusive job descriptions reflect our dedication to an environment where every contribution is valued. Join us to be a part of innovative teams that truly mirror the diverse talent in the tech sector. With over 20 million users globally, we operate in 8 countries and 90 cities, rapidly adapting our product to maintain leadership in various markets while prioritizing sustainability. The Role: We are seeking a skilled Backend Software Engineer with experience in any backend technology. Your day-to-day tasks will involve working with Go, Elixir, or Ruby. Even if your background is primarily in languages like Java, we believe you can quickly adapt and learn new languages. What matters most to us is your adaptability and ability to learn programming languages swiftly. At Cabify, you will: Collaborate with principal engineers on development planning and architectural design. Coordinate subprojects, building and maintaining robust, testable, and data-driven applications. Enhance the reliability, scalability, and performance of our services. Take ownership of your code all the way to production utilizing a self-service continuous delivery pipeline. Engage in host-level problem-solving and contribute to improving detection methods. Be a key player in fostering our engineering culture, prioritizing quality through peer reviews, monitoring, and best practices.

Join Sopra Steria as a Functional Analyst specializing in Java and Oracle in Madrid. In this pivotal role, you will bridge the gap between stakeholders and technical teams, ensuring the successful implementation of software solutions that meet business needs.Your responsibilities will include gathering and analyzing requirements, designing functional specifications, and collaborating closely with developers to deliver high-quality applications. You will play a crucial role in the project lifecycle, from conception to deployment.

Join inetum2 as a Software Developer specializing in .NET technologies. This is an exciting opportunity for individuals looking to kickstart their careers in software development. You will work in a dynamic environment, collaborating with experienced professionals to build innovative software solutions.

Role Overview Speechify is looking for a Software Engineer focused on iOS Core Product to join the team in Madrid, Spain. This position centers on building and improving iOS applications that reach a broad audience. The work involves shaping the user experience and making sure each release meets a high standard of quality. What You Will Do Develop and refine features for Speechify’s iOS apps Work closely with colleagues from different disciplines to deliver new functionality Contribute to the design and implementation of updates that improve the user experience

Role Overview MSX International is looking for a Software Compliance and Development Cycle Manager in Madrid. This role covers both software compliance and the full development lifecycle. The manager ensures software projects meet regulatory standards and guides them from planning through delivery. Main Responsibilities Oversee compliance for software initiatives, making sure all regulatory requirements are met. Manage the entire software development cycle from start to finish. Work closely with teams across different functions to improve product quality. Help reduce time-to-market for new software releases. Location This position is based in Madrid.

About UsAt Sierra, we are pioneering an innovative platform designed to enhance business interactions through advanced AI, fostering better and more human-centric customer experiences. Although primarily based in San Francisco, our team is expanding globally with offices in Atlanta, New York, London, France, Singapore, and Japan.Our operations are driven by core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles shape our culture and define our commitment to excellence in every endeavor.Our co-founders, Bret Taylor and Clay Bavor, bring a wealth of experience from top tech companies. Bret, as the Board Chair of OpenAI, has previously held leadership roles at Salesforce and Facebook, while Clay has an impressive history at Google, leading pivotal projects in AR/VR and product design.Your RoleDesign and Deliver Robust AI Agents: You will create and implement high-performance, reliable AI agents that are essential to Sierra’s operational success. These systems will be mission-critical, running in real-world applications across diverse industries including finance, healthcare, and commerce.Lead the Agent Development Life Cycle (ADLC): You will take full ownership of the ADLC, overseeing the process from pilot testing to deployment and continuous improvement. Your responsibilities will include building, optimizing, and advancing AI agents in live environments, while establishing best practices for the ADLC.Collaborate with Leading Enterprises and Innovative Startups: You will engage directly with executives from major enterprises to identify their critical business challenges, developing AI agents that revolutionize their operations. Additionally, you will partner with pioneering startups to integrate AI solutions that enhance their offerings.

Join Altersolutions as a Python Developer and be part of a dynamic team in Madrid! We are looking for passionate and talented individuals to contribute to exciting projects and drive innovation.

Are you ready to take your software engineering career to the next level? Join dLocal as a Senior Software Engineer and become part of an innovative team that empowers global brands to seamlessly collect payments in over 40 emerging markets. In this talent pool, you can express your interest in future opportunities within our IT Team. We are looking for passionate engineers who thrive in a dynamic environment and are eager to tackle challenges head-on. As a valued member of our team, you will contribute to projects that impact millions of lives while collaborating with over 1000 diverse professionals from more than 30 nationalities.

Join Nexthink as a Software Engineer and contribute to our innovative product platform. We are seeking a dynamic, talented individual who thrives in a fast-paced environment.

Role overview lastminute.com is hiring a Software Engineer in Madrid to focus on ETLs and microservices. This position involves designing, building, and maintaining workflows for extracting, transforming, and loading data. The engineer will also develop microservices that help expand and strengthen the company’s platform. What you will do Design and implement ETL processes to move and transform data Develop and maintain microservices that support key platform features Collaborate with the team to improve data workflows and enhance service reliability Requirements Background in ETL development and experience with microservices architecture Strong problem-solving abilities Comfort working on projects that directly affect the platform Interest in learning new technologies and pursuing continuous improvement Location This position is based in Madrid.

airapps is hiring a Software Architect based in Madrid. This position focuses on designing and building software solutions that enhance user experiences and help meet business objectives. The Software Architect works as part of the development team and collaborates with colleagues from various departments. Main responsibilities Work with cross-functional teams to define technical requirements Create software architecture for both new and existing applications Guide software project implementation to ensure it follows established architectural plans

Join TransPerfect, a dynamic company with a start-up culture, where creative and entrepreneurial individuals thrive. We are currently seeking a Junior Frontend Engineer to become part of our global team, contributing to the quality, development, and execution of innovative software products. If you are eager to make a significant impact in a growing company, we would love to hear from you!About TransPerfect – TechOps:The TechOps team at TransPerfect has played a crucial role in our success since its inception over a decade ago. We deliver cutting-edge technology and services that have significantly enhanced the workflows of our clients and colleagues alike. From improving internal processes to powering the core services of our GlobalLink platform, we create scalable client interfaces that enable users to navigate complex systems with ease.

At Celonis, we are at the forefront of Process Intelligence technology, recognized globally as a leader among the fastest-growing SaaS companies. Our mission is to harness the power of AI, data, and intelligence to revolutionize business processes, and we're seeking talented individuals like you to help us achieve this vision. Are you ready to make an impact?The Team:Join our dynamic Celonis Support Services team, a vital component of our 3-Level Support model, as a dedicated 2nd Level Technical Support Engineer. Your base will be in Madrid, where you will report directly to the Director of Customer Support.The Role:As a Senior Software Support Engineer, you will be an essential player in diagnosing and resolving intricate technical and product-related challenges across the Celonis Product Suite. You will act as a vital link between our global customers, partners, and our internal Value Engineering & Delivery, Development, and Product Management teams. We are looking for someone who is enthusiastic about becoming a deep technical expert in Celonis infrastructure and software while contributing to a customer-centered SaaS environment.Your Responsibilities:Focus on expert technical analysis, resolution of complex incidents, and driving ongoing improvements in support operations:Deliver 2nd Level technical support for customer inquiries related to Celonis Systems & Products.Act as a Technical Contact for Premier Customers.Take ownership of complex cases by accepting, qualifying, driving, and resolving them in alignment with ITSM processes and KPI standards.Conduct in-depth analysis, diagnosis, and recovery of complex technical issues, frequently collaborating with customers and internal Product and Engineering teams.Engage in Root Cause Analysis (RCA) activities to enhance the team’s support Knowledge Base.Actively contribute to Continual Service Improvement (CSI) initiatives, including Knowledge Centred Service (KCS).Prepare and present Webcasts on selected technical topics for customers and internal support staff.Participate in an on-call schedule to ensure continuous global coverage.

Join aircall, a leading unicorn in the customer communications space, revolutionizing how businesses engage with their customers through an AI-powered platform. With over 22,000 global clients, we merge voice, SMS, WhatsApp, and AI into a unified workspace that enhances team efficiency and customer satisfaction.Our mission is simple: empower teams to achieve more by working smarter. Our innovative AI Voice Agent automates routine calls, while AI Assist streamlines post-call tasks, and AI Assist Pro provides real-time insights to optimize performance. This results in increased revenue, quicker issue resolution, and scalable teams.Headquartered in Paris, with a robust presence in North America through our Seattle office, we also have teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and our rapid growth is supported by top-tier investors and cutting-edge AI advancements across our offerings.Our Work Culture: At aircall, we prioritize customer focus, data-driven decision-making, and significant outcomes. We cherish ownership, continuous learning, and a sense of urgency. If you thrive in a collaborative and fast-paced environment where trust and impact are valued, you will fit right in.As a Software Engineer, you will play a pivotal role in designing, developing, deploying, and maintaining critical business features that enhance customer value. Your day-to-day will involve ensuring operational excellence, utilizing metrics, and adhering to best practices.Driven by quality, excellence, and agility, you will help elevate our delivery processes. Leveraging NodeJS and Typescript within our AWS-hosted environment, you will create resilient services that seamlessly integrate with essential customer tools such as CRM, Helpdesk, and E-Commerce platforms.