Apply

Senior Software Engineer (Java) at Adyen | Madrid

Adyen

Full-time|On-site|Madrid

Welcome to Adyen! At Adyen, we revolutionize the financial technology landscape by providing a comprehensive suite of payment, data, and financial solutions. Our esteemed clients include industry giants like Meta, Uber, H&M, and Microsoft, solidifying our position as the go-to financial technology platform. We are driven by ambition and innovation in every a…

Jan 26, 2026

Apply

Staff Backend Engineer

Monzo

Full-time|On-site|Barcelona

Join us on our mission to revolutionize banking for everyone!We are redefining the landscape of traditional banking and saying farewell to its complexities.Starting from a simple prepaid card, Monzo has expanded significantly over the past decade in the UK. We now provide a range of innovative banking solutions including personal and business bank accounts, joint accounts, accounts for 16-17 year-olds, a free kids account, and credit cards. Our UK customers can also save, invest, and manage their pensions with us.With our distinctive hot coral cards and features like early payday, along with educational content on social media and our award-winning customer service, we consistently create delightful experiences for our customers!At Monzo, we focus on solving real problems and transforming lives through our banking solutions Barcelona, Spain | Competitive salary based on experience + stock options | Hybrid work model: 3 days in the office

Feb 9, 2026

Apply

Backend Engineer for Web Tools - Monopoly GO!

Scopely

Full-time|On-site|ES - Barcelona, Spain

Join Scopely as a Backend Engineer for Web Tools and contribute to the exciting world of Monopoly GO! You will play a pivotal role in designing and implementing backend systems that enhance user engagement and improve game performance. This position offers the opportunity to work in a fast-paced environment where innovation and creativity are encouraged.

Mar 23, 2026

Apply

Senior Backend Search Engineer (Elasticsearch/Scala)

commercetools

Full-time|Hybrid|Valencia, Spain (Hybrid)

About commercetoolsAt commercetools, real innovation is built on a robust foundation that harmonizes our product offerings with the expertise of our talented team. We are a collective of builders, explorers, and problem-solvers who have pioneered a flexible approach to commerce architecture while fostering a culture of experimentation. Together, we drive forward the next era of commerce for our clients.Whether it’s harnessing AI-driven solutions to empower enterprises in making informed business decisions, seamlessly bridging digital and physical shopping experiences, or enabling groundbreaking methods for industries to engage with their customers, we support the world’s most ambitious companies in experimenting, scaling, and growing without limits.Here, the best ideas triumph over the loudest voices. You will have the tools, trust, and space to not only shape the future of commerce but also your own professional journey.

Mar 11, 2026

Apply

Backend Software Engineering Manager (Repayment International)

Affirm, Inc.

Full-time|Remote|Remote Spain

Join Affirm as a Backend Software Engineering Manager, where you'll lead our team in developing innovative repayment solutions for international markets. In this remote role, you will be responsible for overseeing the design, implementation, and optimization of backend systems that enhance user experiences and drive business success. Collaborate with cross-functional teams to ensure robust and scalable product delivery.

Mar 26, 2026

Apply

Mid-Level Software Engineer - Java/Kotlin at Vonage | Madrid

Vonage

Full-time|Remote|Madrid, Spain (Spain, Remote)

Role Overview Vonage is looking for a Mid-Level Software Engineer with strong skills in Java and Kotlin. This position is based in Madrid, with remote work options available within Spain. What You Will Do Work alongside experienced developers to design and build software features for Vonage products and services. Develop and maintain scalable applications that support customers around the world. Contribute to team discussions and help shape technical decisions. Location Madrid, Spain (remote work within Spain possible)

Apr 14, 2026

Apply

Senior Backend Engineer (Kotlin) - Quick Commerce

Delivery Hero

Full-time|On-site|Barcelona

Join our dynamic team at Delivery Hero as a Senior Backend Engineer specializing in Kotlin. In this role, you will be pivotal in shaping our quick commerce solutions, ensuring seamless and efficient backend processes that cater to our growing customer base.Your expertise will help us innovate and enhance our platform, working closely with cross-functional teams to deliver high-quality, scalable solutions. If you are passionate about backend technologies and eager to make a significant impact in a fast-paced environment, we want to hear from you!

Sep 11, 2025

Apply

Senior Backend Engineer - Kotlin at Delivery Hero | Barcelona

Delivery Hero SE

Full-time|On-site|Barcelona

Join Delivery Hero as a Senior Backend Engineer specializing in Kotlin to drive innovation in the Quick Commerce sector. In this role, you will design and develop scalable backend systems that enhance our delivery capabilities. You will collaborate with cross-functional teams to deliver high-quality software solutions while ensuring optimal performance and reliability.We are looking for someone who is passionate about technology, thrives in a fast-paced environment, and is eager to take on new challenges. Your contributions will directly impact our mission to provide exceptional service to our customers.

Sep 22, 2025

Apply

Java Software Engineer at Vonage | Madrid, Spain

Vonage

Full-time|On-site|Madrid, Spain

Role Overview Vonage seeks a Java Software Engineer for its Cloud Engineering team in Madrid, Spain. This group develops and maintains the Vonage Video Platform, focusing on backend systems that support cloud communications for businesses worldwide. What You Will Do Design and implement new features for the Vonage Video Platform. Improve and maintain backend systems, with attention to quality, fault tolerance, and performance. Optimize cloud resource management to support scalable and distributed computing solutions. Work with real-time communications technologies. Use data analytics to inform service development and scalability improvements. What Sets This Team Apart Work alongside experienced engineers who specialize in cloud infrastructure, media technologies, and real-time communication. The team values hands-on problem solving and a commitment to building large-scale, highly available systems.

Apr 23, 2026

Apply

Software Engineer - Java Integrations for OTT and Media Platforms

Gramian Consultancy

Contract|Hybrid|Remote — Spain

Join Gramian Consultancy, a premier consultancy dedicated to providing exceptional IT professional services and engineering talent solutions. Our expertise in software engineering and team leadership enables us to partner with organizations to create high-performing teams that align with their unique needs.We are currently collaborating with a dynamic international product company in the OTT and video streaming sector, assisting telecom and media clients in delivering robust, high-availability platforms utilized by millions worldwide.About the RoleWe are on the lookout for a talented Software Engineer to be an integral part of our custom integrations squad. This position emphasizes the development and implementation of integrations between core video platforms and client ecosystems.As part of this role, you will engage in backend engineering, API integrations, and distributed systems, prioritizing reliability, scalability, and performance in high-traffic scenarios.Contract Type: Consulting - AutonomoWork Model: Hybrid (3–4 days remote)Office Location: Murcia, SpainHiring Process: 4 interviews including HR screening, 2 technical evaluations, and a final meeting for offer discussion.Key ResponsibilitiesCollaborate with project managers and client teams to design and implement custom integrations.Develop and maintain API-based integrations between internal systems and external partner platforms.Create backend services using Java and the Spring ecosystem within a microservices architecture.Ensure software quality by conducting testing, maintaining documentation, implementing CI/CD, and performing code reviews.Optimize systems for scalability, performance, and high availability, particularly during peak traffic periods.Work cross-functionally with engineering, DevOps, infrastructure, and support teams.Contribute to ongoing improvements in architecture, tools, and engineering methodologies.Tech StackPlatform: Linux, Docker, Kubernetes, OpenStack, AWSBackend: Spring Boot, Reactor, PostgreSQL, Elasticsearch, RabbitMQ, GraphQLFrontend (context): React, WebSockets, PWA

Apr 8, 2026

Apply

QA Automation Engineer (Java or C#) | Barcelona

TransPerfect

Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain

The TransPerfect TechOps team has played a crucial role in our company's journey over the past decade, providing innovative technology and services that significantly enhance the experiences of our clients and team members alike. From streamlining workflows to establishing essential services that underpin our GlobalLink platform, we are dedicated to creating scalable client interfaces that empower users to navigate intricate ecosystems effortlessly.To learn more about our solutions, please visit: https://globallink.transperfect.com/Note: When applying, please submit your CV in English.This position offers:A pivotal role within a vibrant QA team, part of a technology division in the world’s leading provider of language services and technology solutions.An opportunity to significantly influence product testing, direction, and development.Collaboration with colleagues across the globe in a cross-functional team environment.

Aug 26, 2025

Apply

Senior Backend Engineer at Grafana Labs | Remote in Spain

Grafana Labs

Full-time|Remote|Spain (Remote)

Grafana Labs creates open-source observability tools trusted by millions around the globe. The company’s dashboards and software support organizations such as Bloomberg and eBay, and have been featured in settings ranging from NASA missions to major sporting events. The team works fully remotely, emphasizing transparency, autonomy, and work that matters. Role overview This Senior Backend Engineer position focuses on the Grafana Mimir open-source project. The role is part of a remote team in Spain, working within a specialized sub-squad (either Query or Storage). The team is responsible for Grafana Cloud Metrics across leading cloud providers, building and maintaining distributed systems that must deliver high reliability and strong performance. What you will do Work on large-scale backend development within the Mimir codebase Analyze production operations to boost system performance and reliability Write and review pull requests to maintain code quality Guide automated release processes for the team’s software Take part in the on-call rotation for the systems owned by your team Collaboration The role involves close collaboration with experienced engineers in an environment that values open communication and shared responsibility. The team supports each other to deliver scalable, impactful software. Location This is a fully remote role based in Spain.

Apr 22, 2026

Apply

Senior/Staff Backend Engineer at T-Systems Iberia | Granada

T-Systems Iberia

Full-time|On-site|Granada

Role overview T-Systems Iberia is searching for a Senior or Staff Backend Engineer to join the team in Granada. The role centers on building scalable backend applications that help meet business objectives and support client requirements. Expect a mix of hands-on development and close teamwork with colleagues from a variety of specialties. What you will do Develop and maintain backend systems that power business-critical applications Collaborate with cross-functional teams to design and implement technical solutions Share expertise to strengthen architecture, performance, and reliability Support ongoing projects as business needs change Location This role is based onsite in Granada.

Apr 21, 2026

Apply

L2 Senior Technical Support Engineer

Celonis

Full-time|On-site|Madrid, Spain

At Celonis, we are pioneering the future of Process Intelligence technology, standing as a global leader and one of the fastest-growing SaaS companies. Our mission is to unleash productivity by integrating AI, data, and intelligence into core business processes. We invite you to be a part of this transformative journey! The Team:Join our dynamic Celonis Support Services team, a vital component of our 3-Level Support model, as an accomplished 2nd Level Technical Support Engineer. You will be based in the vibrant city of Madrid and report directly to the Director of Customer Support.The Role:As a Senior Technical Support Engineer, you will be an integral part of our support structure, specializing in diagnosing and resolving intricate technical and product-related challenges across the Celonis Product Suite. Your role will establish a vital link between our esteemed global customers, partners, and our internal teams in Value Engineering, Delivery, Development, and Product Management. We are seeking an individual passionate about becoming a technical authority on Celonis infrastructure and software, contributing significantly to a SaaS-focused environment centered on delivering customer value.Your Key Responsibilities:Deliver expert 2nd Level technical support for customer inquiries across Celonis Systems & Products.Act as a Technical Liaison for Premier Customers, ensuring their needs are met with precision.Own complex cases, managing them according to ITSM processes and adhering to established KPIs.Conduct analysis, diagnosis, and resolution of sophisticated technical issues, collaborating closely with customers and internal Product and Engineering teams.Engage in Root Cause Analysis (RCA) cycles to enhance the team's support Knowledge Base.Contribute proactively to Continuous Service Improvement (CSI) initiatives, including Knowledge-Centered Service (KCS).Prepare and present Webcasts on selected technical topics for customers and internal teams.Participate in an on-call rotation to ensure continuous global support coverage.

Feb 5, 2026

Apply

Laboratory Analyst

Veolia Environnement S.A.

Full-time|On-site|Barcelona

Join Veolia Environnement S.A. as a Laboratory Analyst where you will play a crucial role in conducting various analyses and tests to ensure the quality and safety of our products. You will collaborate with a team of skilled professionals in a dynamic laboratory environment, leveraging your technical expertise to support research and development initiatives.

Apr 8, 2026

Apply

Senior Backend Software Engineer - Alerting | Remote in Spain

Grafana Labs

Full-time|Remote|Spain (Remote)

Grafana Labs is a pioneering, remote-first company known for its open-source innovation. With over 20 million users worldwide utilizing Grafana, our acclaimed visualization tool tracks everything from environmental changes to vital medical devices. Our dashboards are iconic, having been featured at events ranging from NASA launches to the Tour de France. We empower over 3,000 organizations, including industry giants like Bloomberg, JPMorgan Chase, and eBay, to navigate their observability strategies through our Grafana LGTM Stack, which can be fully managed with Grafana Cloud or self-managed with the Grafana Enterprise Stack, both offering scalable metrics (Grafana Mimir), logs (Grafana Loki), and traces (Grafana Tempo).As we experience rapid growth, we remain committed to our core values: a robust open-source foundation, a collaborative global culture, and a dedication to impactful work. Our team excels in an environment driven by innovation, where transparency, autonomy, and trust are paramount.If you find this role intriguing, don't hesitate to apply, even if you don't meet every single requirement. This could be a pivotal moment in your career.Senior Backend Engineer - AlertingThis is a remote opportunity, and we welcome applications from Spain.The Opportunity:The Grafana Alerting team plays a vital role in the Grafana open-source project (link), dedicated to delivering comprehensive alert management solutions. Our backend team collaborates closely with clients and Grafana Cloud teams to ensure alerting operates seamlessly, whether on-premises or in the cloud.Our work encompasses a wide array of projects, including:Developing distributed systems to enhance the ingestion and delivery of Prometheus-based alerts.Standardizing alert setup and delivery for both Grafana and Prometheus-based alerts.Building distributed systems to efficiently evaluate Grafana-managed alerts, achieving over 500 evaluations per second in production.Grafana Alerting is trusted by leading organizations worldwide, safeguarding crucial medical apparatus and critical infrastructure. We thrive...

Apr 7, 2026

Apply

Senior/Staff Go Backend Engineer - Remote Friendly

qonto

Full-time|Remote|Barcelona

Our Mission: Empowering small and medium-sized enterprises (SMEs) to flourish in their business endeavors by providing Europe's premier financial workspace. We integrate top-tier tools such as seamless invoicing, spend management, and pre-accounting with attentive 24/7 support, all aimed at simplifying financial processes for businesses.Our Journey: Established by Alexandre and Steve in July 2017, Qonto has swiftly earned the trust of over 600,000 customers. With our dedicated team of more than 1,600 Qontoers, we've been honored in the LinkedIn Top Companies French ranking!Our Values:Customer Focus | We prioritize the needs of our customers above all.Ownership | Take responsibility for your work and drive results.Teamwork | Collaborate effectively to achieve common goals.Mastery | Strive for continuous improvement and excellence.Integrity | Uphold ethical standards and respect everyone.Our Beliefs: At Qonto, we are dedicated to cultivating an inclusive environment where all individuals can excel. We evaluate candidates solely based on skills and potential, and we proudly support diversity within our workforce, comprising 55% international team members, 44% women, and 20% parents. Join us in fostering a workplace that embraces diversity and individuality.Learn about our initiatives for a discrimination-free hiring process.

Jul 28, 2021

Apply

Senior Staff React Engineer with TypeScript and AI Expertise

Wizeline

Full-time|On-site|Barcelona

Senior Staff React Engineer with TypeScript and AI ExpertiseAbout Us:Wizeline is a leading global technology solutions provider, specializing in AI-driven digital products and platforms. We collaborate with our clients to harness the power of data and artificial intelligence, streamlining market entry and catalyzing transformative business outcomes. As a vibrant community of innovators, we prioritize growth, collaboration, and meaningful impact.With the right talent and innovative ideas, we believe there are no limits to what we can accomplish.Are You the Right Fit?If this opportunity excites you, let's determine if you're the right candidate for this position: Key ResponsibilitiesGuide the architecture, design, and development of scalable, high-performance web applications using React and TypeScript.Formulate and implement the front-end technical strategy, ensuring it meets scalability, performance, and alignment with product and AI objectives.Engage closely with AI engineers, data scientists, designers, and product managers to craft intelligent, data-centric user experiences.Incorporate AI-powered components (e.g., chatbots, assistants, content generators, predictive UI) into contemporary web applications.Mentor fellow engineers, fostering excellence in coding practices, architectural decisions, and technical problem-solving.Establish and uphold standards for code quality, accessibility, performance optimization, and testing.Collaborate with backend and DevOps teams to enhance CI/CD pipelines and deployment processes.Continuously seek opportunities to integrate AI and automation to improve development workflows and user experiences. Essential Qualifications8+ years of professional software development experience, including at least 5+ years focused on React and TypeScript.Demonstrated experience in architecting and scaling enterprise-grade front-end applications.Knowledge of integrating AI technologies into web applications.

Nov 24, 2025

Apply

AI Backend Developer for Document Processing

TransPerfect

fulltime_permanent|On-site|Malaga, Andalucía, Spain

About Us:TransPerfect, a globally recognized leader in translation software, embodies a dynamic start-up culture and is on the lookout for a talented and enthusiastic Backend Developer to join our pioneering Artificial Intelligence (AI) team. This is your chance to influence the trajectory of AI within a world-class organization. Over the past decade, our AI team has evolved into a key player in advancing machine translation, generative AI, natural language processing, and automation.We are in search of a skilled backend developer who is eager to explore the forefront of technology and make a significant impact in the AI domain. Join a diverse global team of professionals across the USA, Spain, Portugal, and India. If you are driven by the creation of robust and scalable AI solutions, this is an ideal opportunity for you.About the Role:As a Backend Developer, your primary focus will be on tackling the final stages of document processing: transforming intricate, unstructured PDFs into neatly formatted, editable .docx files. Our goal transcends mere text extraction; we aim to faithfully reproduce the visual and structural intent of the original document, including nested tables, multi-column layouts, font hierarchies, and styling.In this hybrid role, you will spearhead the research and development of our document conversion pipeline, necessitating both strategic oversight (keeping abreast of existing tools) and hands-on coding (melding engineering and AI expertise).Your responsibilities will include:Comparative Analysis: Conduct a thorough evaluation of commercial solutions (ABBYY, Adobe, AWS Textract) versus open-source/AI-native alternatives (Mistral OCR, Docling, Nougat, LlamaParse).Benchmarking: Define metrics for

Mar 12, 2026

Apply

AI Backend Developer (Document Processing)

TransPerfect

fulltime_permanent|On-site|Malaga, Andalucía, Spain

About Us:TransPerfect, renowned for its excellence in translation software and driven by an innovative start-up spirit, is on the lookout for a talented and enthusiastic Backend Developer to join our pioneering Artificial Intelligence (AI) team. You'll play a crucial role in shaping the future of AI within a global leader. Over the past decade, the AI team has evolved into a vital force behind our advancements in machine translation, generative AI, natural language processing, and automation.As an experienced backend developer, you will have the chance to push technological boundaries and create lasting impacts within the AI domain. Join a diverse team of professionals across the USA, Spain, Portugal, and India. If you’re passionate about building robust and scalable solutions that deliver AI to users, this position is perfect for you.About the Role:In this role, you will tackle the final stages of document processing, transforming complex, unstructured PDFs into impeccably formatted, editable .docx files. Your mission will extend beyond mere text extraction, aiming to faithfully recreate the visual and structural intent of the original documents, including intricate tables, multi-column designs, font hierarchies, and styling.You'll spearhead the research and development of our document conversion pipeline, balancing strategic decision-making with hands-on programming. This position requires a blend of engineering expertise and AI knowledge.Your Responsibilities Will Include:Comparative Analysis: Conduct thorough evaluations of commercial solutions (like ABBYY, Adobe, AWS Textract) against open-source and AI-native alternatives (such as Mistral OCR, Docling, Nougat, LlamaParse).Benchmarking: Develop metrics for assessing

Mar 12, 2026

Senior Full Stack Developer (Java, Angular)

Experience Level

Qualifications

About the job

What You Will Do

About Miratech

Similar jobs