Senior Core Systems Developer jobs in Spain – Page 2 | RoboApply Jobs

Senior Core Systems Developer jobs in Spain· Page 2

Results 21–40 of 1,750 for “Senior Core Systems Developer” in Spain.

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jobgether logo
Full-time|Remote|Spain

jobgether is hiring a Senior Product Designer focused on design systems. This position is based in Spain. Role overview This role centers on leading design system initiatives for multiple product lines. The Senior Product Designer will ensure that visual and interaction patterns remain consistent and intuitive across platforms. Collaboration with teams from …

Apr 29, 2026
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RemoFirst logo
Full-time|Remote|Spain

Join RemoFirst as a Business Development Manager and play a pivotal role in transforming our outreach strategies. We empower organizations to transcend geographical limitations in talent acquisition, enabling employees to explore opportunities globally.At RemoFirst, we offer a comprehensive suite of people and payroll management tools, alongside employee benefits such as health insurance and financial incentives. Our platform allows clients to hire talent from anywhere with ease, serving prestigious clients like Microsoft and Mastercard, as well as notable startups like TransferGo.Our dedicated team of over 150 professionals is committed to delivering exceptional service and a world-class platform. As we aim for sustained growth into 2025 and beyond, we are seeking either an ambitious newcomer or an experienced Business Development Manager (Outbound & GTM Systems) to lead our expanding initiatives.This role is not purely managerial; it involves hands-on development of go-to-market strategies with leadership responsibilities.You will guide a team of Sales Development Representatives (SDRs) while actively designing, testing, and scaling outbound systems that integrate seamlessly with our strong inbound efforts. Your mission is to convert outbound strategies from being “activity-heavy” to “outcome-driven” through the creation of repeatable, effective systems.You will take charge of outbound strategy, tools, targeting logic, sequencing, quality control, and performance metrics. A deep understanding of the tools and data insights is crucial for success in this role.

Feb 27, 2026
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Protera Technologies logo
Senior SAP Engineer - Core

Protera Technologies

Full-time|Remote|Remote — Barcelona, Catalonia, Spain

About Protera TechnologiesAt Protera Technologies, we are pioneering a new era for SAP-centered organizations by leveraging the power of cloud technology. Since our inception in 1998, we have been at the forefront of transitioning SAP and related applications to cloud platforms such as Microsoft Azure and AWS. Our dedicated team is spread across the globe, with headquarters in Chicago and offices in Athens, Barcelona, and Mumbai, all committed to transforming our clients' IT experiences into something smoother, faster, and more enjoyable.We pride ourselves on being different from the usual tech companies; while we are dedicated to delivering exceptional IT solutions, we believe in maintaining a friendly and enjoyable work environment. Our culture promotes hard work alongside fun, whether through cloud optimization projects, security enhancements, or just team bonding activities.At Protera, we empower SAP-centric organizations with innovative tools and technologies that drive growth. Our core values emphasize curiosity, authenticity, and the importance of meaningful connections. We celebrate every achievement, big or small, whether it’s a successful project or a memorable team event.If you're looking to merge technology with a fun workplace, join us and discover why Protera is a fantastic place to work.

Feb 20, 2026
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T-Systems Iberia logo
Full-time|On-site|Granada

Join our dynamic team at T-Systems Iberia as a React Frontend Developer, where you will contribute to innovative projects that shape the future of technology. We are seeking a talented individual who is passionate about developing user-friendly applications and has a strong background in React. You will work closely with designers and backend developers to create seamless and engaging user experiences.

Jan 8, 2026
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Speechify logo
Full-time|On-site|Seville, Spain

About Speechify Speechify builds tools that make information accessible through audio. From online articles to cloud documents and ebooks, the platform lets users listen wherever they are, at a desk or on the move. The company leads its category and continues to grow quickly. Role Overview The Core Experiences Team at Speechify develops and maintains key services and SDKs supporting the product across multiple platforms. This Senior Software Engineer position suits someone who enjoys working where product and infrastructure meet, thinks strategically, and cares about building reliable APIs and systems that improve the user experience. What You Will Do Work closely with Product Teams to define project scopes, improve processes for faster customer feedback, and balance integration with user experience in solutions delivered through the cross-platform SDK. Improve existing features by designing efficient abstractions and enhancing algorithms for faster load times and smarter parsing. Build cloud functions, lightweight backend services, and tasks using Kotlin. Location This position is based in Seville, Spain.

Apr 20, 2026
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T-Systems Iberia logo
Full-time|On-site|Reus

Join our dynamic team at T-Systems Iberia as a Full Stack Developer, where you will play a pivotal role in designing and implementing innovative software solutions. We're looking for a passionate developer who thrives in both front-end and back-end environments. You will collaborate with cross-functional teams to deliver high-quality applications that enhance user experience and drive business success.

Oct 1, 2025
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Septeo logo
Full-time|On-site|Murcia

About the Role Septeo is looking for a Senior PHP Backend Developer in Murcia. This position focuses on designing and building backend systems that support and improve our products and services. The work centers on PHP development, with a strong emphasis on performance and scalability. What You Will Do Design and implement backend solutions using PHP Work closely with teams across disciplines to deliver reliable software Contribute to the quality and efficiency of our backend architecture Help ensure our systems perform well and scale as needed Location This role is based in Murcia.

Apr 17, 2026
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Fever logo
Full-time|On-site|Spain

Join us at Fever, the premier technology platform transforming culture and live entertainment!Our mission? To democratize access to culture and entertainment. Through innovative technology and a data-driven approach, we are changing how individuals engage with live experiences. Every month, over 300 million people across more than 40 countries discover extraordinary events through our platform. We also empower event creators with the tools they need to scale and innovate, enhancing their reach to diverse audiences.We have partnered with notable industry leaders such as Netflix, F.C. Barcelona, and Primavera Sound, delivering internationally recognized experiences and gaining support from top global investors. Impressive, right?To fulfill our mission, we seek proactive individuals eager to shape the future of entertainment!Now, let's dive into the specifics of this role and how you will contribute to Fever’s mission.Our engineering team is behind the seamless iOS and Android apps, as well as our website. We are dedicated to creating, developing, improving, and maintaining all Fever services, ensuring that more people can enjoy incredible experiences.About the RoleWe are on the lookout for a Senior PHP Developer to become part of our Payments squad. In this role, you will design and build robust, scalable, and secure payment platforms, focusing on reconciliation and fiscal automation. You will thrive in a high-demand environment where software quality, reliability, and adaptability are paramount, and where technical challenges are part of everyday life.

Feb 18, 2026
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Zynga Inc. logo
Full-time|On-site|Barcelona, Spain

Elevate Your Career with Zynga!At Zynga, we unite people through the excitement of play. As a premier name in interactive entertainment and a proud subsidiary of Take-Two Interactive, our games have garnered over 6 billion downloads, connecting players in more than 175 countries through fun, strategy, and a touch of friendly rivalry.From exhilarating casino experiences to intense strategic confrontations, challenging puzzles, and social word games, our vast game portfolio has something to delight every player. Renowned favorites and recent hits include FarmVille™, Words With Friends™, Zynga Poker™, Game of Thrones Slots Casino™, and many more!Established in 2007 and headquartered in California, our diverse teams across North America, Europe, and Asia collaborate to create unforgettable gaming experiences. Whether you’re spinning, strategizing, matching, or competing, Zynga is where creativity meets innovation—and where you can advance your career.Join us and become part of the adventure!Position Overview:We are seeking talented software engineers to develop services for games enjoyed by millions of users worldwide every day. These services must scale effectively to handle high user traffic and be crafted with the utmost quality demanded in this competitive landscape. Our developers are expected to maintain cutting-edge technology while generating innovative ideas.Your Responsibilities:Collaborate on backend applications utilizing various programming languages and technologies (Golang, PHP, AWS EC2, Kubernetes, etc.). You will work on legacy code, enhancing, maintaining, and continuously refactoring the backend of our games.Your role extends beyond coding; you will collaborate with mobile developers, data analysts, and systems engineers to integrate components, create technical designs, document processes, and train fellow team members.As a backend engineer, you'll be integrated into our games team, closely collaborating with game design, player experience, mobile, and other departments while contributing to business decisions as part of our technology strategy.

Apr 8, 2026
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Zyte logo
Full-time|Remote|Remote — Barcelona, Catalonia, Spain

About ZyteAt Zyte, we thrive on data, and you can enjoy your mornings wherever you are while working with us! Established in 2010, we are a globally distributed team of over 250 professionals, known as Zytans, operating from more than 28 countries. Our mission is to empower businesses by enabling seamless data extraction that fosters innovation and growth. We believe every business deserves a straightforward path to the data they need.For over a decade, Zyte has been at the forefront of developing robust, user-friendly tools to efficiently collect, format, and deliver web data at scale. Today, our data extraction capabilities empower thousands of organizations to make informed business decisions, maintain a competitive edge, and drive sustainable growth. Over 3,000 companies and 1 million developers trust our tools and services for their web data needs.We are currently looking for a seasoned Team Lead to spearhead our Core & MLOps Squad, tasked with building the foundational infrastructure that enables Zyte to operate at scale. This role demands a hands-on technical leader with expertise in MLOps, systems programming, and orchestration, guiding a cross-functional team in designing and maintaining the scalable architecture that allows all Zyte teams to build and run their services confidently.

Nov 6, 2025
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Elastic N.V. logo
Full-time|Remote|Spain

Join Elastic as a Senior Developer Advocate, where you will be the voice of the developer community and help shape the future of our products. In this role, you will engage with developers globally, creating compelling content, conducting workshops, and advocating for user needs within our product teams. Your expertise will not only help developers understand our technologies but also drive their adoption and integration into their projects.

Mar 16, 2026
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Uni Systems logo
Full-time|On-site|Seville, Andalusia, Spain

At Uni Systems, we are on a mission to transform digital visions into reality. As a rapidly expanding organization, we are excited to welcome a skilled Data Scientist to our UniQue Ispra team.In this dynamic role, you will collaborate closely with public sector clients, spearheading the development of new business opportunities. Your responsibilities will include cultivating a solid client portfolio through strong, enduring relationships, while meticulously monitoring project progress to ensure outstanding service delivery and added value.Key Contributions:Design and implement robust data pipelines to ingest, harmonize, and update diverse datasets, ensuring meticulous management of version changes, schema alterations, and stringent data quality checks.Provide continuous support in the maintenance of TEDV technical documentation as new data sources are added, indicators are developed, or methodologies are refined.Create composite indicators from raw datasets, including thorough documentation of methodologies and upkeep of a metadata catalog to guarantee the reproducibility and auditability of all derived metrics.Merge macro-level data with micro-level beneficiary data to deliver precise regional statistics.Assist in territorial analyses concentrating on industrial transitions and the governance of EU funding.Engage proactively with business analysts, clients, and project leaders to ensure project alignment and success.

Apr 30, 2026
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Jobgether logo
Full-time|Remote|Spain

Jobgether is looking for a Senior Unity Developer with a focus on poker games. This position is based in Spain and centers on building and refining interactive gaming experiences using Unity. Role overview This role involves designing and developing both 2D and 3D features for poker games. The Senior Unity Developer will work alongside other developers and designers to deliver polished, engaging gameplay. Collaboration and technical skill are essential as the team aims to create memorable user experiences. What you will do Build and enhance 2D and 3D features for poker games using Unity. Work closely with design teams to bring rich user experiences to life. Optimize game performance across multiple platforms. Identify, debug, and resolve issues within the game. Collaboration This position requires regular interaction with other developers and designers. Sharing knowledge and working together to solve problems are key parts of the job.

Apr 29, 2026
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Fever logo
Full-time|On-site|Spain

Greetings! We’re Fever, the world’s foremost technology platform dedicated to culture and live entertainment.Our mission is to democratize access to culture and entertainment. With our proprietary, state-of-the-art technology and data-driven strategies, we are transforming how people connect with live entertainment. Each month, our platform captivates over 300 million individuals across more than 40 countries, inspiring them to discover unforgettable experiences while simultaneously empowering event creators with our data and technology to scale, innovate, and enhance their events to reach new audiences.Our achievements? We have collaborated with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, delivered internationally recognized experiences, and are supported by several leading global investors! Quite impressive, wouldn’t you agree? To fulfill our mission, we seek exceptional individuals with a hands-on approach who are enthusiastic about shaping the future of entertainment! Ready to embark on this incredible journey?Let’s delve into this role and discover how you will contribute to Fever’s mission.About the RoleWe are in search of a seasoned Senior Product Designer whose primary objective will be to spearhead the evolution of our design system into a robust, scalable, and future-ready foundation that promotes product velocity, consistency, accessibility, and multi-brand adaptability.You will serve as the pivotal connection between Design, Engineering, and Product, propelling a cross-functional initiative to unify our Product Design standards and tools across platforms, devices, and partners.Strategy & LeadershipArticulate and implement the roadmap for expanding our design system across web, mobile, and additional platforms.Guide cross-functional synergy with product, engineering, and brand design teams to guarantee adoption and consistency.Advocate for and promote the Design System as a strategic foundation for product scalability, multi-brand adaptability, and cross-functional collaboration.Execution & DeliveryOversee the complete lifecycle of the design system: audit, define, construct, document, and maintain.Establish and implement design tokens, theming architecture, and multi-brand support (white-labeling).Consider future headless and decoupled product architectures to ensure flexibility and long-term compatibility.Develop and refine component libraries.

Mar 16, 2026
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SGS logo
Full-time|On-site|Madrid

Join our dynamic team as a Senior Backend Developer at SGS in Madrid, where you will play a pivotal role in advancing our backend architecture and driving a culture of technical excellence. We are seeking an individual with exceptional technical leadership abilities who can serve as a guiding force for our engineering team. You will have ownership over our backend platform and be instrumental in enhancing code quality and engineering standards.In this role, you will work on a cutting-edge SaaS platform developed on .NET 10, primarily leveraging Azure PaaS. Our work environment is international and English-speaking, fostering collaboration across diverse teams.Key Responsibilities:Design, develop, and enhance scalable, secure, and maintainable backend systems.Lead development initiatives, making impactful architectural and technical decisions.Act as a technical mentor and resource for team members, fostering their growth.Manage the complete software lifecycle— from conceptualization and design to deployment, monitoring, and iterative improvement.Integrate with modern and legacy systems seamlessly.Collaborate with product, frontend, and DevOps teams to create comprehensive end-to-end solutions.Promote engineering excellence by advocating for best practices, including Clean Code and SOLID principles.Architect and deploy distributed systems and event-driven architectures.Construct and refine CI/CD pipelines to facilitate rapid, reliable delivery.Ensure system reliability, performance, and observability in live production environments.Guide and support fellow developers through code reviews, knowledge sharing, and technical mentorship.Contribute to technical documentation, ensuring effective knowledge transfer within the team.

May 4, 2026
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T-Systems Iberia logo
Full-time|On-site|Andalucía

Join our dynamic team as a Senior AI Engineer!As a Senior AI Engineer at T-Systems, you will be responsible for designing, developing, and deploying cutting-edge Artificial Intelligence and Machine Learning solutions tailored for production environments. Your expertise will help implement and maintain MLOps pipelines covering model training, validation, versioning, deployment, and monitoring.Key Responsibilities:Craft and deliver AI and ML solutions that meet production standards.Establish and oversee MLOps pipelines for comprehensive model management.Collaborate with Data Scientists to transition prototypes into robust, scalable, and maintainable solutions.Develop services and APIs for AI model integration into business applications.Ensure code quality by applying software engineering principles, including testing, modularity, and documentation.Automate model deployments and AI components utilizing CI/CD methodologies.Implement monitoring mechanisms for model performance, data drift, and data quality.Integrate AI solutions with data platforms and cloud systems.Contribute to the definition of technical standards, best practices, and AI solution architecture.Work in agile environments, closely collaborating with multidisciplinary teams.

Feb 10, 2026
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Perk logo
Full-time|On-site|Barcelona

About UsPerk, previously known as TravelPerk, stands at the forefront of travel and spend management technology. Our innovative platform is designed to eliminate time-consuming manual processes, allowing teams to focus on what truly matters. From streamlining travel bookings to automating expenses and invoice processing, we empower organizations to reclaim lost productivity and boost morale, addressing a staggering $1.7 trillion issue of shadow work that costs employees 7 hours of productivity every week.With over 10,000 companies relying on us, including industry leaders like Wise, On Running, Breitling, and Fabletics, we are committed to transforming the way businesses operate and enhancing employee experiences.Founded in 2015, Perk has expanded globally, housing over 1,800 employees across 12 locations, with our headquarters situated in London and Boston. We prioritize innovation, control, and simplicity, fostering a work environment that inspires creativity and satisfaction.Our core values emphasize ownership, delivering exceptional experiences, and unity within our team. At Perk, we believe that curiosity and purpose are as vital as knowledge in unlocking your potential. Our diverse talent pool consists of leading professionals from the travel and SaaS industries, hailing from over 70 countries. If you are eager to make a significant impact and redefine how millions experience work, we would be thrilled to welcome you to our team.For more information, visit www.perk.com.

Jan 15, 2026
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doco1 logo
Full-time|On-site|Madrid

Join our dynamic team at doco1 as a Senior Software Developer. This on-site role in vibrant Madrid offers a unique opportunity to work on cutting-edge software solutions in a collaborative environment. You will be responsible for designing, developing, and maintaining high-quality software applications, contributing to all phases of the software development life cycle.

Mar 23, 2026
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T-Systems Iberia logo
Full-time|On-site|Andalucía

Join T-Systems Iberia as a Senior Cloud Architect, where you'll play a pivotal role in shaping cloud solutions that drive innovation and efficiency for our clients. In this advanced position, you will leverage your expertise in cloud architecture to design, implement, and manage scalable cloud solutions tailored to meet business needs.

Apr 30, 2026
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crossbordertalents logo
Full-time|Remote|Remote — Madrid, Community of Madrid, Spain

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.

Nov 26, 2021

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