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doco1

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 …

Mar 23, 2026

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Senior Backend Engineer - Integrations

abacum

Full-time|Remote|Remote Spain

Abacum is looking for a Senior Backend Engineer focused on integrations. This position is fully remote within Spain. Role overview This role centers on designing and building backend solutions that connect Abacum's product with a range of external systems. The work involves improving integration features while maintaining strong performance and scalability. What you will do Create and maintain backend services that enable seamless integration with third-party platforms. Enhance existing product capabilities by developing new integration features. Ensure backend systems operate efficiently and scale to meet business needs. Requirements Experience building backend solutions, with a focus on integrations. Strong understanding of system performance and scalability. Ability to work independently in a remote setting within Spain.

Apr 29, 2026

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Graduate Software Engineer

Fever

Full-time|On-site|Barcelona; Madrid; Spain

Greetings! We are Fever, the premier technology platform dedicated to culture and live entertainment.Our mission? To make culture and entertainment accessible for everyone. Through our innovative technology and data-driven strategies, we are transforming how people interact with live events. Every month, our platform captivates over 300 million users across more than 40 countries, guiding them to discover remarkable experiences while empowering event creators with our data and technology to expand, innovate, and enhance their events.Our achievements? We have collaborated with industry giants like Netflix, F.C. Barcelona, and Primavera Sound, delivered internationally recognized experiences, and received backing from top global investors. Exciting, right? To fulfill our mission, we seek trailblazers with a proactive attitude who are enthusiastic about shaping the future of entertainment! Are you ready to join the experience?Now, let’s explore this role and how you can contribute to Fever’s mission.About You:We are in search of a Graduate Software Engineer to become part of our Backend team. This position is tailored for recent graduates or final-year students eager to kickstart their careers in software engineering and advance rapidly in a genuine production environment. This is not an internship. It’s a full-time role for individuals at the beginning of their professional journey who are passionate about software development, eager to learn, and excited to work on real systems that serve millions of users.If you value writing clean code, understanding the why behind processes, and improving incrementally — you'll thrive here.What We Are Looking For:We are seeking someone who:Is looking for their first professional experience as a software engineerCares about code quality, best practices, and learning the right wayIs curious, proactive, and enjoys problem-solvingIs comfortable learning through hands-on experience, receiving feedback, and iteratingCan’t envision a system without version control

Feb 18, 2026

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Senior AI Engineer - Software Development Life Cycle (All Genders)

zooplusse

Full-time|On-site|Madrid

zooplusse is seeking a Senior AI Engineer in Madrid with a focus on the Software Development Life Cycle (SDLC). This position centers on designing and implementing AI solutions that support both product development and operational efficiency. Role overview This role involves leading efforts to improve system architecture and optimize machine learning models. Collaboration with teams from different disciplines is a key part of the work, as projects often span multiple areas of the company. What you will do Design and implement AI-driven solutions for software development and operations Collaborate with cross-functional teams to refine system architecture Work on optimizing machine learning models to enhance performance Who we are looking for The ideal candidate brings deep experience in artificial intelligence and a strong background in software development. Leadership in technical projects and a drive to advance technology are important qualities for this role.

Apr 29, 2026

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Senior Backend Engineer at ANYbotics | Barcelona

ANYbotics

Full-time|On-site|Barcelona, Catalonia

ANYbotics is an innovative and rapidly expanding technology company committed to revolutionizing the field of mobile robotics across diverse sectors. We invite you to join our dynamic and talented team of over 200 professionals, working on pioneering robotic technologies.The OpportunityWe are searching for a Senior Backend Engineer to become a vital member of our agile software engineering team. In this role, you will be responsible for architecting and developing the backend for the next generation of robotic applications for our flagship product, ANYmal. Collaborating closely with your teammates and leading robotics engineers, you will design and implement sophisticated software solutions that empower ANYmal to undertake increasingly complex tasks.The APIs developed by your team will lay the groundwork for strategic partnerships with software and cloud technology providers, facilitating seamless integration into our clients' facility management systems and enabling the creation of comprehensive robotic inspection solutions.At ANYbotics, we continually innovate to enhance the performance and capabilities of our robots, helping clients derive valuable insights from their facilities and processes with efficiency and ease. Leverage your technical expertise in web technologies to contribute to making our robots smarter, more reliable, and user-friendly.The Market & Our TechnologyANYbotics is at the forefront of transforming the industrial landscape by integrating robotics into a wide array of groundbreaking applications that were previously unattainable (refer to our case studies in sectors such as Chemicals, Oil & Gas, Railways, Wind Energy, Mining, and Construction). Our clientele consists of major asset operators and service providers in the industrial sector, pioneering the use of robotic technology for inspection and maintenance tasks. Our solutions facilitate autonomous routine inspections and monitoring of extensive industrial facilities, enhancing safety and productivity. We engineer a variety of customized hardware systems, including the complete robotic platform, actuators, sensors, inspection payloads, charging systems, and software, achieving exceptional mobility, autonomy, and inspection capabilities, often powered by AI. Our technology has been validated through long-term pilot projects, and we are now scaling our solutions for commercialization, deploying them directly in operations at client facilities across the globe.About UsANYbotics is a pioneering robotics firm specializing in advanced autonomous systems. Following a successful Series B funding round, we are poised for significant growth...

Sep 5, 2025

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Senior Angular Engineer

anybotics

Full-time|On-site|Barcelona, Catalonia

Join our innovative team at anybotics as a Senior Angular Engineer, where you will be at the forefront of developing cutting-edge software solutions. This role is perfect for individuals who are passionate about building high-performance applications and enjoy collaborating in a dynamic environment.

Mar 25, 2026

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Senior Engineer at Hudl | Barcelona

Hudl

Full-time|Hybrid|Barcelona, Spain

At Hudl, our mission is to build exceptional teams. We attract top talent to foster an environment where you can continuously learn and grow alongside passionate professionals. You're empowered to approach your work in your own unique style while pushing the boundaries of innovation. Our commitment to a supportive culture is evident, as reflected in our recognition as one of Newsweek's Top 100 Global Most Loved Workplaces.We pride ourselves on being the backbone of the sports community, facilitating the lifelong lessons derived from teamwork, dedication, and the inspiration of great coaches. Our solutions empower athletes and teams worldwide to enhance their game through video capture, data analytics, and highlight sharing.Are you ready to make a difference with us?Your RoleWe are seeking Senior Engineers to become integral members of our cross-functional product teams within the Human Performance group. This team is dedicated to creating innovative solutions that profoundly influence how athletes and teams train, compete, and strive for peak performance.As a Senior Engineer, you will:Collaborate with Cross-Functional Teams: Engage with Engineering, Quality Assurance, Product, Design, and Scrum teams to develop full-stack web features.Drive Development and Delivery: Your team will have the autonomy to significantly impact the product area, listening to customer needs to deliver transformative features that elevate the user experience for coaches and athletes.Experiment with New Ideas: At Hudl, we believe in rapid iteration, deploying updates hundreds of times a day. You will have the chance to propose innovative solutions to complex technical challenges and mentor less experienced engineers.Provide Mentorship: Share your knowledge and best practices in development, guiding others in planning, designing, and executing complex projects.

Feb 9, 2026

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Software Engineer II

The Trade Desk

Full-time|On-site|Madrid

The Trade Desk seeks a Software Engineer II based in Madrid. This position covers the full product lifecycle, from initial design through to delivery, with a focus on data-driven solutions for a variety of stakeholders. Key responsibilities Design, develop, and maintain scalable back-end infrastructure Enhance client-facing applications and create internal tools Optimize bidding processes to boost system efficiency Contribute to systems that manage global, always-on traffic Collaboration and impact Teams at The Trade Desk prioritize quality and scalability in every project. Collaboration is a core part of the engineering culture, with regular partnerships across teams to deliver reliable, efficient solutions. The systems built in this role support both clients and internal users, directly advancing The Trade Desk’s technology goals.

Apr 24, 2026

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Junior Python Developer with French

Sopra Steria

Full-time|On-site|Madrid

Role overview Sopra Steria seeks a Junior Python Developer with French language skills for its Madrid office. The role centers on building and improving software solutions in a collaborative team setting. Daily work involves close interaction with colleagues and contributing to client projects. What you will do Develop and maintain applications using Python Work with team members to complete project tasks and resolve technical challenges Apply French language skills in both communication and documentation Advance technical and professional abilities through practical project experience Location This role is based in Madrid.

Apr 22, 2026

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Senior Software Engineer at Septeo | Barcelona

Septeo

Full-time|On-site|Barcelona

Join our innovative team as a Senior Software Engineer, where you will be responsible for developing high-throughput services using technologies such as Node.js, TypeScript, Kotlin, or Java with frameworks like Spring Boot or Micronaut.You will leverage cutting-edge AI tools (e.g., GitHub Copilot, Cursor, Claude code) to streamline development processes and foster a culture of best practices within the team.Take ownership of the Software Development Life Cycle (SDLC) by utilizing Infrastructure as Code (IaC) with Terraform to implement blue-green deployments and manage preview environments.Engage in continuous performance tuning, profiling latency, cost, and overall system performance.Design and implement LLM-powered features and agents using LangChain or MCP-compliant frameworks, ensuring effective integration of retrieval, memory, and tool-use patterns.Promote clean code principles and domain-driven design while mentoring peers through constructive pull request reviews.Identify and propose solutions for scaling challenges, performance bottlenecks, and potential security vulnerabilities.

Feb 10, 2026

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Senior Back-End Engineer

Lansweeper

Full-time|On-site|Alicante, Comunidad Valenciana, Spain

Join Lansweeper as a Senior Back-End Engineer where you'll be pivotal in designing, developing, and maintaining high-performance, secure server-side applications. Collaborating with front-end developers, DevOps engineers, and product managers, you will implement efficient APIs and robust business logic. Your role involves crafting clean, maintainable code, optimizing application performance, and keeping updated with best practices and innovative back-end technologies.A day in the life of a Senior Back-End EngineerOversee the entire lifecycle of new epics, from technical design through to delivery.Architect and develop scalable, high-performance backend functionalities.Create and uphold clear technical documentation and architectural decisions.Investigate and resolve system performance challenges.Deploy production updates daily with minimal risk.Provide technical guidance and support across engineering teams.Conduct thorough code reviews to maintain engineering standards and code quality.

Jan 9, 2026

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Senior Fullstack Engineer

Contentsquare

On-site|On-site|Barcelona Area

Join Contentsquare as a Senior Fullstack Software Engineer, where you will play a pivotal role in our Growth line, enhancing user conversions and driving customer retention strategies. This position offers the flexibility of being based in our Barcelona or Cairo offices or working remotely from Spain, Italy, Poland, or Portugal. You will collaborate with a diverse team to maximize monetization efforts while fulfilling our users' needs effectively.

Jan 29, 2026

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Senior Frontend Engineer at Abacum | Barcelona

Abacum

Full-time|On-site|Barcelona

About AbacumAbacum stands at the forefront of Business Planning solutions tailored for finance teams. Our innovative platform automates reporting, enhances collaboration, and streamlines planning and forecasting, empowering finance teams to transition from mere number crunching to making strategic decisions.Founded in 2020 by visionary former CFOs, we have rapidly expanded to a global workforce of 100+ talented individuals representing 30+ nationalities. With our headquarters in New York and additional offices in London and Barcelona, we are proud to serve esteemed clients such as Dish Networks, Strava, BetterUp, Kajabi, JG Wentworth, Abridge, Cortex, among many others.Having successfully raised over $100 million, we recently concluded our $60M Series B funding round in June 2025, led by Scale Venture Partners with strong backing from Cathay Innovation, Y Combinator, Atomico, Creandum, and angel investors from Adyen, Zapier, and Twitch.Our ambitious mission is to redefine Business Planning—join Abacum and be part of this groundbreaking journey!We are looking for...An enthusiastic Senior Frontend Engineer who thrives on solving intricate, market-defining challenges—such as developing a real-time, multidimensional calculations engine!This is a rare opportunity to engage in an agile coding environment, directly influence our product, and shape our engineering culture and technical design.If you are someone who takes pride in ownership of your work, learns swiftly, and is eager to contribute to something extraordinary, we invite you to apply!

Jan 12, 2026

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Senior Software Engineer - Geolocalized Services at Fever | Spain

Fever

Full-time|On-site|Spain

Welcome to Fever!We are the world's foremost tech platform dedicated to culture and live entertainment.Our mission? To make culture and entertainment accessible to all. Utilizing our state-of-the-art technology and data-driven strategies, we are transforming how audiences engage with live events. Each month, our platform captivates over 300 million individuals across more than 40 countries, encouraging them to uncover extraordinary experiences while simultaneously empowering event creators with our innovative tools, helping them grow, innovate, and connect with wider audiences.Our achievements? We have collaborated with leading industry giants like Netflix, F.C. Barcelona, and Primavera Sound, delivered internationally recognized experiences, and received backing from prominent global investors! Impressive, right?To fulfill our mission, we seek exceptional talent with a hands-on approach who are excited to help mold the future of entertainment!Are you ready to join the adventure?Now, let’s delve into this role and how you can contribute to Fever’s mission.About the RoleWe are on the lookout for a backend engineer to design, build, and maintain geo-localized user platform services, with a strong emphasis on data residency, reliability across multiple regions, and adherence to privacy standards.In your first month at Fever (Onboarding period):Meet your team and buddy, and immerse yourself in Fever’s culture and working methodologies.Set up your local environment and familiarize yourself with our Python-based technology stack, CI/CD pipelines, and cloud infrastructure.Gain insights into our architecture and monitoring tools while contributing small enhancements and fixes.Ensure you have your first code running in production and a solid grasp of our delivery processes.By the end of onboarding, you’ll be poised to join your long-term squad and start contributing to larger projects.After 3 months at Fever:You will confidently collaborate and deliver at full capacity. You will:Design and implement comprehensive features within your squad.Engage in architectural discussions and present enhancements for our services and APIs.Work with event-driven systems, focusing on performance, reliability, and scalability.Collaborate closely with Product, Data, and other Engineering teams to enrich our platform...

Feb 23, 2026

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Senior Backend .NET Software Engineer - Gaming

Betsson Group

Full-time|On-site|Malaga

Are you an accomplished Backend .NET/C# Engineer ready to take the next step in your career? The Gaming Division within Product Development at Betsson Group is currently seeking talented professionals! The Gaming Division focuses on enhancing Game Play and Game Discovery across our diverse brands and markets. Our mission is to provide industry-leading gaming products and an exhilarating user experience on our platforms. We are involved in developing game lobbies, innovative gaming initiatives, and seamless provider integrations. Your Role As a vital member of our team, you will contribute to the development of our Gaming platform, which is at the heart of our operations. This platform underpins all our gaming sites and plays a crucial role in our broader company strategy. You will engage in our transition towards containerization, enhancing the scalability of our systems while ensuring their quality remains top-notch. We continuously reassess our system designs to meet new demands and work on exciting new features. Join our passionate team as we build a scalable, multi-brand platform that supports over 25 online brands, utilized by hundreds of thousands of users worldwide! In essence, you will elevate our Gaming platform to new heights for a global audience!

Feb 18, 2026

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Senior Python Backend Developer for AI Solutions

TransPerfect

Full-time|Hybrid|Malaga, Andalucía, Spain

About us:TransPerfect, a leading name in translation technology, is on the lookout for a dynamic and innovative Backend Developer to join our cutting-edge Artificial Intelligence (AI) team. As part of this division, you will have the chance to influence the future of AI within a global framework. Over the past decade, our AI team has evolved into a pivotal force driving innovations in machine translation, generative AI, natural language processing, and automation.We seek an experienced backend developer who is passionate about pushing technological boundaries and making a significant impact in the AI sector. You will collaborate with a diverse, international team of experts from the USA, Spain, Portugal, and India. If you are enthusiastic about developing robust and scalable solutions that enhance AI accessibility, this role is perfect for you.About the Role:As a Backend Developer, you will tackle the critical challenge of transforming complex, unstructured PDFs into well-formatted, editable .docx files. Your mission will be to not only extract text but to faithfully recreate the visual and structural elements of the original documents, including nested tables, multi-column layouts, font hierarchies, and styling.Your responsibilities will include leading the research and implementation of our document conversion pipeline. This hybrid role requires both strategic decision-making regarding existing tools and hands-on development that combines engineering with AI expertise.Responsibilities Include:Comparative Analysis: Conduct thorough evaluations of commercial solutions (e.g., ABBYY, Adobe, AWS Textract) versus open-source/AI-native alternatives (e.g., Mistral OCR, Docling, Nougat, LlamaParse).Benchmarking: Define metrics for

Mar 10, 2026

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Senior Python Developer - Code Migration Expert

Mindrift

Contract|$30/hr - $30/hr|Remote|Remote — València, Valencian Community, Spain

Please submit your CV in English and specify your level of English proficiency. This is a contract role for a Senior Python Developer - Code Migration Expert at Mindrift. The position is fully remote, based in València, Valencian Community, Spain. Mindrift connects experienced professionals with project-based AI work for leading technology companies. This contract focuses on evaluating, testing, and improving AI systems. It is not a permanent position. What you will do Design and implement functional black box tests for large codebases in multiple programming languages. Set up and manage Docker environments to ensure builds and tests are reproducible across various platforms. Monitor code coverage and configure automated scoring, aligning with industry benchmarks. Use large language models (including Roo Code and Claude) to automate tasks, accelerate development, and improve code quality. Requirements At least 5 years of experience as a Software Engineer, with a strong focus on Python. Advanced skills in pytest, including fixtures, session-scoped tests, and timeouts, plus experience building black-box functional tests for CLI tools. Deep expertise with Docker: writing reproducible Dockerfiles, managing user contexts, and maintaining secure workspaces. Strong Linux and Bash scripting abilities, including debugging in containerized setups. Familiarity with modern Python tools such as uv, pyproject.toml, and packaging. Ability to read and interpret code in C, C++, Rust, and Go, with support from LLMs. Experience using LLMs (Claude Code, Roo Code, Cursor) to speed up development and generate test cases. English proficiency at B2 level or above. Preferred qualifications Background with agent evaluation platforms and MCP CLI. Key tools and technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, reading C/C++/Rust/Go, Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Work arrangement and compensation Freelance, project-based work through the Mindrift platform (powered by Toloka AI). Fully remote with flexible scheduling. You can set your own hours; a weekly commitment of 20-30 hours is recommended. Compensation is based on project scope and expertise. AI trainers can earn up to $30 per hour.

Apr 24, 2026

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Software Engineer at Edpuzzle | España

Edpuzzle Inc.

Full-time|Remote|España

About UsAt Edpuzzle, we are pioneers in the edtech industry, with a robust presence in both San Francisco and Barcelona. For over a decade, we've been dedicated to transforming education by helping teachers craft engaging and interactive learning experiences. Our software is designed by educators for educators, empowering them to engage students through intuitive tools encompassing video learning and more.Join millions of educators and students globally who are using Edpuzzle to make learning more equitable and enjoyable. If you are enthusiastic about making a positive impact and love the process of learning, Edpuzzle is the perfect place for you!Why Work at Edpuzzle?Joining Edpuzzle means becoming part of a diverse, global team focused on improving education for everyone. Imagine a workplace where you can easily connect with colleagues, whether remotely or in-person, for collaboration and support. One day, you might collaborate in developing one of the leading edtech platforms, and the next, participate in a team-building event with your peers. We have carefully selected individuals who are the best in their fields, and our management team fully trusts your expertise and decisions.We prioritize work-life balance, adopting a remote-first approach that values flexibility and choice while fostering genuine connections. Our latest employee satisfaction survey indicated high scores in Work-Life Balance (92%), Leadership (85%), and Employee Engagement (84%). We strive to cultivate an environment where individuals thrive, feel supported, and can perform at their best. Continuous learning and growth are encouraged, as education is at the heart of everything we do.The Interview ProcessOur interview process is designed to foster mutual understanding. Each stage is structured to showcase your unique talents and contributions, while simultaneously providing you with insights into our team and culture.

Sep 1, 2025

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Senior Full Stack Engineer

Version 1

Full-time|On-site|Málaga

Join Version 1 as a Senior Full Stack Engineer and play a pivotal role in developing innovative software solutions that drive our business forward. You will collaborate with cross-functional teams to design, implement, and maintain robust applications while leveraging your expertise in both front-end and back-end technologies. If you are passionate about coding, love tackling complex challenges, and are eager to work in a dynamic environment, we want to hear from you!

Oct 23, 2025

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Senior Full Stack Engineer

jobgether

Full-time|On-site|Spain

jobgether is looking for a Senior Full Stack Engineer based in Spain. This role centers on building and maintaining both front-end and back-end systems that support the company’s job search platform. Role overview As a Senior Full Stack Engineer, the focus will be on designing, developing, and supporting applications that deliver a smooth and responsive user experience. The position involves working across the technology stack to ensure applications perform reliably and efficiently. What you will do Design and implement features for both front-end and back-end systems Maintain and improve application performance and responsiveness Work with cross-functional teams to deliver software that meets user needs Requirements Strong background in software development Proficiency in multiple programming languages Solid understanding of web technologies This position supports jobgether’s mission to simplify job searching by delivering reliable and user-friendly software solutions.

Apr 29, 2026

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