React Developer (English Required)

Join our innovative team at Sopra Steria as a Backend Microservices Developer! We are seeking a talented individual who is passionate about technology and has a strong command of English. You will be responsible for designing, developing, and maintaining robust backend microservices that drive our applications. Collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Join our dynamic team at inetum2 as a Java Backend Developer. We are looking for a skilled professional who is passionate about crafting efficient microservices. You will be a crucial part of our innovative projects, utilizing your expertise in Java and microservices architecture to drive our backend development forward.

Join the dynamic team at Devoteam as an Azure Developer where you'll leverage your expertise in Microsoft Azure to develop innovative solutions and enhance our client's digital transformation journey. This role requires proficiency in Azure development, a passion for technology, and the ability to collaborate effectively within a team.If you are a proactive individual with a mid-senior level experience, we want to hear from you!

Join the leading eCommerce agency and take your career to the next level!Job OverviewInteractiv4 is seeking talented Backend Magento Developers for our offices in Madrid, Barcelona, and Zaragoza.If you have a keen eye for detail, a passion for writing clean code, and a desire to optimize processes, we want you on our team. We value professional development and continuous learning, making us the perfect fit for your career aspirations.RequirementsEducation: Higher Degree or Engineering, preferably in Computer Science, Telecommunications, Mathematics, or related fields.Proven experience in:Magento architecture and configuration.GIT, MVC frameworks, PHP, HTML, JavaScript, CSS, SASS.Mockup integration and third-party system integration, as well as database design and modeling.Preferred QualificationsKnowledge of UX design, SEO, Photoshop, Knockout, React, Redux, and code quality testing tools will be a plus.Advanced English proficiency and certifications in Magento and Akeneo are desirable.What We OfferJob stability with a permanent contract and opportunities for professional growth.Join a highly skilled team in a technologically advanced environment utilizing cutting-edge market solutions.Social benefits including meal vouchers, childcare support, transportation allowances, etc.

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.

We only consider applications based in Spain. Lynx Financial Crime Tech S.A. is actively seeking a talented Junior Backend Developer to join our dynamic team in Madrid. WHY YOU SHOULD CONSIDER THIS OPPORTUNITYAt Lynx Financial Crime Tech S.A., we are at the forefront of AI-driven software development, specializing in identifying and predicting behavioral patterns. Guided by industry experts and academics, we create and implement state-of-the-art self-learning AI technologies. Our platform excels in low-latency transaction processing technologies, available both on-premises and in the cloud.We prioritize VISION, AGILITY, and SPEED to deliver exceptional customer experiences and have established lasting, trust-based relationships with leading financial institutions, fintechs, and trading companies worldwide.Lynx is proud to be an equal opportunity employer, valuing diversity in gender identity, culture, and disability. Our mission is to empower more individuals and businesses to thrive.We embrace a robust risk culture and expect all our professionals, regardless of their position, to adopt a proactive and responsible approach to risk management. WHAT YOU WILL DO IN YOUR ROLEAs a Backend Developer, your primary responsibility will be to contribute to the development of Lynx’s fraud detection application for payment methods.We are looking for someone like you to assist us in various areas:Design and development of new application modulesImplementation of modules in the AWS environmentDesign of continuous integration processesSpecification of development standards EXPERIENCENo prior experience required.EDUCATIONBachelor's Degree in Computer ScienceSKILLS & KNOWLEDGEIntermediate to advanced English proficiencyFamiliarity with the following tools and systems:Linux...

Role Overview Quadient is hiring a Sales Development Representative in Madrid. This role focuses on building early relationships with potential clients across German- and English-speaking markets. Fluency in both languages is required. What You Will Do Reach out to prospective customers and start conversations that open doors for our sales team Listen to client needs and match them with Quadient’s solutions Build and nurture relationships to support long-term business growth What We Look For Fluency in German and English Strong communication and relationship-building skills Motivation to connect with new people and support sales goals

Join our dynamic team at Sopra Steria as a Java Developer proficient in French! We are looking for a talented individual who is passionate about technology and eager to contribute to innovative projects. You'll have the opportunity to work in a collaborative environment, leveraging your skills to develop robust software solutions that meet our clients' needs.

Join the Digital Revolution!At Aleph, we are not just participating in the digital advertising landscape; we are actively shaping its future. As representatives of the world’s leading platforms, including TikTok, Amazon, Google, and nearly 55 others, we operate across 130+ markets worldwide.Our mission is to empower advertisers and brands to harness the full potential of these platforms' advertising capabilities. By nurturing long-term partnerships, we create limitless opportunities for businesses to advertise effectively at both local and global levels.With a presence spanning multiple continents, Aleph offers you the opportunity to join a rapidly growing and innovative team where your contributions will have a direct impact. If you are ambitious, forward-thinking, and eager to thrive in a dynamic global environment, Aleph is the ideal place to advance your career.We are looking for a talented Senior Backend Developer who excels in designing, building, and maintaining high-throughput, event-driven systems. In this pivotal role, you will be instrumental in shaping our core platform, making vital architectural decisions, and mentoring fellow engineers. Your responsibilities will include ensuring reliable communication between our asynchronous services, facilitating seamless data flows, and enabling our entire ecosystem to scale according to demand. If you are passionate about message queues, stream processing, and the intricacies of distributed systems, we invite you to apply for this exciting opportunity.

Managing corporate spending can often be a challenging endeavor, with convoluted processes that hinder efficiency for finance teams and employees. At Pleo, we are revolutionizing this process. We provide financial solutions designed to simplify money management, making it seamless and remarkably efficient for everyone involved. Our mission is to empower businesses to 'go beyond' traditional spending methods.The name 'Pleo' translates to 'more than you’d expect', and this philosophy has underpinned our success over the last decade.We find ourselves at a crucial juncture in our growth; every decision we make impacts over 40,000 customers and is vital to our mutual success. We seek individuals who are committed to understanding customer needs, transforming complex challenges into straightforward solutions, and questioning the status quo—all while aiming high. With ambitious goals propelling us forward, we embrace the journey of discovery and innovation. Our team consists of over 850 talented individuals representing more than 100 nationalities, all dedicated to shaping the future of business spending.About the RoleWe are in search of a Senior Backend Engineer to join our dynamic team at Pleo. In this role, you will play a key part in developing and scaling our backend systems while engaging in exciting projects as we enhance our product and service offerings. If you are passionate about tackling complex technical challenges and thrive in a culture that prioritizes transparency, collaboration, and innovation, this position is made for you.Your ResponsibilitiesAs a Senior Backend Engineer, you will:Lead the design, development, and maintenance of scalable microservices primarily using Kotlin.Collaborate with cross-functional teams to create innovative solutions across various domains including Platform and Services.Analyze system performance and implement optimizations to ensure high reliability and scalability.Participate in code reviews, conduct post-mortems, and mentor fellow engineers.Proactively address technical debt and guide the team through technical challenges and migrations.QualificationsYou will excel in this role if you possess:Strong expertise in server-side programming, particularly in Kotlin, and experience with distributed systems, microservices, and various cloud environments such as AWS and Kubernetes.Proficiency in relational databases such as PostgreSQL, testing frameworks (e.g., JUnit, Testcontainers), and observability tools like Grafana.

Join Aircall as a Senior Backend/Platform Engineer, where you will play a crucial role in enhancing our platform's infrastructure and backend systems. You will collaborate with cross-functional teams to design and implement scalable solutions that ensure seamless communication for our users. If you are passionate about crafting high-performance systems and thrive in a dynamic environment, we would love to hear from you!

fiskaly develops technology that secures digital receipts and ensures legally compliant transactions for millions of users each day. By applying digital signatures, the company helps prevent tax fraud and supports merchants with a streamlined, paperless solution. The team is dedicated to simplifying receipts for everyone. Role overview This Senior Backend Engineer (Golang) position is a full-time, permanent role open to candidates based in or near Vienna, or within a two-hour time zone difference. The company is not considering freelancers for this role. What you will do Serve as a System Architect within a focused squad, developing API-first SaaS products. Lead backend development using Golang and other object-oriented languages, contributing throughout the software lifecycle. Apply modern tools, including AI coding assistants and automation, to minimize repetitive tasks and tackle complex problems. Design, build, and maintain distributed systems for fiskaly's fiscalization platform. Shape the architecture and scalability of the unified digital receipts interface. Requirements Minimum 5 years of backend development experience, with a strong background in Golang and object-oriented programming. Fluency in both German and English. Located in or near Vienna, or within a two-hour time zone difference. Available for full-time employment (no freelance contracts). Salary and contract Gross annual salary: €45,000 – €70,000 Full-time, permanent position

airapps is looking for a Backend DevOps Engineer based in Madrid. This position focuses on improving development workflows and supporting reliable application deployments. Role overview The Backend DevOps Engineer will work with both development and operations teams. The main goal is to make development processes smoother and ensure that applications are deployed efficiently. What you will do Collaborate with team members to implement continuous integration and continuous deployment (CI/CD) pipelines Manage and maintain cloud infrastructure Work to improve system performance and reliability Location This role is based in Madrid.

Managing expenses shouldn’t be a headache. At Pleo, we’re revolutionizing the way businesses handle spend management by creating solutions that simplify financial processes for both finance teams and employees. Our goal is to empower organizations to 'go beyond' traditional methods.Since our inception 10 years ago, we’ve embraced the philosophy of ‘Pleo’, meaning ‘more than you’d expect’, which has been pivotal to our success.We are currently at a significant juncture in our growth journey; every decision we make affects our more than 40,000 customers, our business, and our collective achievements. We are looking for individuals who take pride in identifying customer needs, transforming complex challenges into straightforward solutions, and respectfully challenging the status quo. With our ambitious goals ahead, we are a dynamic and diverse team of over 850 individuals from more than 100 nationalities, dedicated to shaping the future of business spending.About the RoleWe are seeking a skilled Backend Engineer to join our innovative team at Pleo. In this position, you will play a crucial role in building and scaling our backend systems, engaging in exciting projects as we expand our product and service offerings. If you are passionate about solving intricate technical challenges and thrive in a culture that values transparency, collaboration, and innovation, we invite you to apply.What You’ll Be DoingAs a Backend Engineer, your responsibilities will include:Designing, building, and maintaining scalable microservices primarily using Kotlin.Collaborating with cross-functional teams to develop innovative solutions across various domains such as Platform, Services, and SMB.Analyzing system performance and implementing optimizations to ensure high reliability and scalability.Participating in code reviews and post-mortems while mentoring fellow engineers.Proactively addressing technical debt and guiding the team through challenges and migrations.What You BringThis role is ideal for you if you possess:Experience in server-side languages, particularly Kotlin, along with expertise in distributed systems, microservices, and cloud environments (e.g., AWS, Kubernetes).Proficiency with relational databases such as PostgreSQL and familiarity with testing frameworks (e.g., JUnit, Testcontainers).

About the Role airapps is looking for a Backend Engineer in Madrid to help shape the systems behind our platforms. This role centers on building and improving backend architecture that supports our applications. What You Will Do Design, implement, and maintain scalable backend systems Work closely with teams across the company to deliver new features and solutions Contribute to the ongoing improvement of our backend platforms Location This position is based in Madrid.

neoris is looking for a Backend Software Engineer with a focus on .NET technologies to join the team in Madrid, Spain. This hybrid position involves both in-office and remote work. Role overview This role centers on designing, developing, and maintaining backend systems that support neoris applications. The work involves building reliable services and ensuring performance and scalability. Collaboration Work closely with colleagues from different disciplines to deliver software solutions that align with business objectives. Regular communication with cross-functional teams is part of the job. Location This is a hybrid role based in Madrid, Spain. Some days will be spent in the office, with flexibility for remote work.

Location: Madrid Office About Aircall Aircall builds an AI-driven customer communications platform used by over 22,000 businesses worldwide. Our product brings together voice, SMS, WhatsApp, and AI features in a single workspace, helping teams boost revenue, resolve issues faster, and scale their operations efficiently. Headquartered in Paris, Aircall has a strong global footprint with offices in Seattle, Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our company is growing quickly, supported by leading investors and advances in AI across our product lines. Our Culture We focus on customer satisfaction, data-driven decisions, and meaningful results. Team members are encouraged to take ownership, keep learning, and act quickly but thoughtfully. Collaboration, trust, and impact shape our daily work. About the New Product Unit Aircall is launching a New Product Unit dedicated to advancing autonomous sales. The team is building an AI Orchestration Layer that records and understands customer interactions across calls, video, email, and WhatsApp. This system will automate sales workflows such as CRM updates, follow-ups, task creation, and coaching insights. Our long-term vision is a self-optimizing Sales OS powered by specialized AI agents working together to improve revenue processes. Role Overview: Senior Backend Software Engineer (Python) This position calls for an experienced backend engineer with strong Python skills, ready to work beyond traditional backend boundaries. The role suits someone who values both clean architecture and practical progress, and who can balance high-quality work with the need for speed in a startup setting. What You Will Do Tackle complex technical challenges, including distributed systems, AI orchestration, architecture, performance, and scalability Contribute to the design and implementation of backend systems for the AI Orchestration Layer Work closely with product and engineering teams to deliver new features Iterate quickly, shipping solutions and learning from feedback Who Will Thrive Engineers who enjoy solving difficult problems and making architectural decisions Those who can dive deep into technical details while keeping an eye on rapid delivery People who take pride in their work and appreciate the pace of a growing company

Role overview atexis is looking for a Technical Translator in Madrid with strong skills in both English and French. The main focus is translating technical documents and materials between these two languages. What you will do Translate technical content from English to French and from French to English Maintain clarity, accuracy, and the original intent in every translation Help teams and projects communicate effectively by providing reliable translations Requirements Excellent command of English and French Experience translating technical documents Ability to work on site in Madrid

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.