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Backend Developer (Node.js) at Fundraise Up | Remote

Fundraise Up

Full-time|€4.7K/yr - €6.1K/yr|Remote|Spain - Remote

Job Highlights Location: Fully Remote (CET hours preferred) Compensation: €4,700 - €6,100 + stock options Language: Work within a Russian-speaking team About Fundraise Up At Fundraise Up, we are transforming the landscape of nonprofit fundraising by creating a platform that simplifies the donation process, making it quick, seamless, and accessible for everyo…

Feb 23, 2026

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Employee Experience Manager at Fundraise Up | Remote

Fundraise Up

Full-time|Remote|Spain - Remote

As an Employee Experience Manager at Fundraise Up, you will play a pivotal role in shaping and enhancing the overall employee journey within our organization. Your responsibilities will include developing and implementing strategies that focus on employee engagement, satisfaction, and retention. You will collaborate with various teams to promote a positive workplace culture and ensure that our employees feel valued and supported.Your expertise in employee relations, performance management, and organizational development will be crucial in designing initiatives that drive employee engagement and foster a thriving work environment.

Apr 30, 2026

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Senior Backend Developer (Node.js) at Jobgether | Spain

Jobgether

Full-time|Remote|Spain

Role overview Jobgether is seeking a Senior Backend Developer (Node.js) for a partner company based in Spain. This remote-first role centers on building secure and scalable real-time backend systems for digital finance services with a global reach. What you will do Design and develop backend architecture and infrastructure using Node.js Build and maintain critical services, APIs, and financial products Work on distributed systems, optimizing performance for users worldwide Collaborate with engineers across multiple regions Keep up with new technologies and industry best practices Requirements Significant experience with Node.js backend development Strong background in designing scalable and secure systems Ability to solve complex technical problems Interest in backend architecture, distributed systems, and performance optimization Comfort working autonomously and taking ownership of projects in a remote-first environment Work environment The team values autonomy, ownership, and innovation. Work alongside talented engineers and contribute to products used by customers worldwide.

Apr 28, 2026

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Product Owner for Elements at Fundraise Up | Remote in Spain

Fundraise Up

Full-time|Remote|Spain - Remote

Role OverviewJoin our dynamic team as a Product Owner for Elements, our robust UI component system that enhances the donation journey for Fundraise Up. This pivotal role emphasizes product delivery and operational excellence while closely collaborating with our Product Manager for Growth, specifically in the Pre-Donation Experience. Your key responsibility will be to transform strategic growth initiatives into features ready for production, ensuring product stability and dependable delivery for our enterprise clients.Key ResponsibilitiesConvert strategic initiatives from the PM into detailed product specifications.Oversee the entire delivery lifecycle: from specification to development, quality assurance, and final release.Maintain a prioritized product backlog aligned with company objectives.Address and resolve critical client issues and deal-breakers.Provide support to go-to-market teams with in-depth product knowledge and effective solutions.Lead internal product enhancements and initiatives to reduce technical debt.Guarantee that the product remains stable, scalable, and of the highest quality.Time Allocation:Strategic Features (from PM) — 50%Internal Improvements — 35%GTM & Deal Breakers — 15%

Apr 2, 2026

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Senior Backend Developer - Node.js at Jobgether | Spain

jobgether

Full-time|Remote|Spain

Role overview Jobgether is looking for a Senior Backend Developer with deep experience in Node.js. This Spain-based position is remote and joins an engineering team dedicated to building backend systems for large-scale digital financial products used around the world. The work centers on creating reliable infrastructure and supporting the growth of a global platform. What you will do Design, build, and maintain backend services in Node.js that are secure, scalable, and highly available Improve the core platform architecture to enhance reliability and support ongoing growth Optimize API performance and contribute to infrastructure resilience Participate in developing new products and driving technical improvements Tackle complex technical challenges involving real-time systems, microservices, and distributed applications How you will work Collaborate with engineers across multiple regions in a remote-first environment Take ownership of projects and work with a high degree of autonomy Requirements Proven experience as a backend developer with strong Node.js skills Ability to build secure and scalable backend systems Interest in infrastructure resilience and performance optimization Drive to solve complex problems in backend development

Apr 28, 2026

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Senior Backend Engineer - Node.js & AWS

Deel

Full-time|Remote|Spain

Role overview Deel seeks a Senior Backend Engineer with strong experience in Node.js and AWS. The focus is on building and enhancing backend systems that power Deel’s products and services within Spain. What you will do Design and implement backend solutions using Node.js and AWS services Improve and fine-tune existing systems to boost performance and reliability Integrate backend services with various internal and external platforms Work closely with engineers and other team members to reinforce cloud infrastructure Deliver software that aligns with client needs and quality expectations Location This role is based in Spain.

Apr 24, 2026

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Backend Engineer (Node.js/TypeScript) - EMEA

Deel

Full-time|Remote|Spain

Role overview Deel seeks a Backend Engineer with solid experience in Node.js and TypeScript. This position is based in Spain and supports projects across the EMEA region. The role centers on building and maintaining backend services that power a global platform. What you will do Develop and maintain backend services using Node.js and TypeScript Collaborate with cross-functional teams to deliver solutions for users worldwide Help ensure the quality and reliability of backend systems

Apr 24, 2026

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Senior Backend Engineer (Node.js/TypeScript)

anybotics

Full-time|On-site|Barcelona, Catalonia

Join our dynamic team at anybotics as a Senior Backend Engineer, specializing in Node.js and TypeScript. In this pivotal role, you will be responsible for designing and implementing scalable backend systems that power our innovative robotic solutions. Collaborate with cross-functional teams to gather requirements, build robust APIs, and ensure seamless integration with our frontend systems.Your contributions will drive the development of cutting-edge technology that enhances automation in various industries. We value creativity, problem-solving, and a passion for technology.

Apr 13, 2026

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Senior QA Engineer (Automation / Fullstack) at Fundraise Up

Fundraise Up

Full-time|€50.4K/yr - €64.8K/yr|Remote|Spain - Remote

Job Overview:We are seeking a highly skilled Senior QA Engineer specializing in Automation and Fullstack testing to join our innovative team at Fundraise Up. This is a remote position, ideally suited for candidates in CET hours.Key Responsibilities:Develop and implement automated testing frameworks.Collaborate with cross-functional teams to ensure high-quality software delivery.Conduct performance and security testing.Enhance existing test suites and contribute to continuous integration processes.Mentor junior QA engineers and foster a culture of quality across the development teams.Qualifications:5+ years of experience in QA, with a strong focus on automation.Proficient in testing frameworks and tools such as Selenium, Jest, or Mocha.Experience with backend technologies like Node.js and MongoDB.Strong knowledge of frontend frameworks (React, Vue.js).Excellent problem-solving skills and attention to detail.Fluent in English; Russian language skills are a plus.

Apr 8, 2026

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Swiss Fundraising Intern

Street Child Switzerland

Internship|On-site|Barcelona, Catalonia, Spain

Become a Fundraising Intern at Street Child Switzerland in Beautiful Barcelona!Street Child Switzerland is a passionate and dynamic international development charity focused on empowering some of the world's most marginalized children. Our mission is to provide educational opportunities and support to families, ensuring sustainable means for children to remain in school. As a volunteer-driven organization, we prioritize low overhead costs, channeling maximum funding directly into our impactful projects across Sub-Saharan Africa and Asia.Since our inception in 2008, Street Child has evolved into a leader in child protection and education, reaching over 500,000 children in 20 countries. Our holistic approach combines quality education with livelihood support, enabling children to thrive in safe and nurturing environments.Exciting Internship OpportunityWe are currently looking for a dedicated Swiss intern to join our Barcelona office on a full-time basis (33 hours/week) for a preferred duration of 6 months, with the flexibility to discuss shorter commitments. At Street Child, we value diversity and are eager to tailor responsibilities to suit the unique strengths and abilities of each intern.Key Responsibilities:As a Swiss intern, you will collaborate closely with a small team under the guidance of the Street Child EU Development Manager, reporting directly to the Swiss Country Manager.Your primary responsibilities will encompass:60% of your time1. Fundraising Research: Uncover new funding prospects, including trusts, foundations, and major donors within Switzerland. Engage with potential donors to establish and nurture relationships. Analyze the Swiss fundraising landscape to identify new opportunities. 2. Proposal Writing for Foundations: Create persuasive funding proposals for trusts and foundations, leveraging your knowledge of Street Child's projects. Work closely with the program team to compile necessary information and data for proposals. Ensure alignment of proposals with the priorities and guidelines set by Swiss donors. 40% of your time3. Communications: Oversee social media channels and update our website. Promote local and international events, the international volunteering program, and email campaigns. Translate content between English, German, and French to broaden our outreach. Assist in planning and developing new events to engage the Swiss community. 4. Business Development: Establish and manage collaborations with other organizations and companies in Switzerland. Identify potential synergies for joint initiatives. Represent Street Child at relevant events and conferences.

Jan 30, 2024

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UX Researcher - Remote Opportunity

Fundraise Up

Full-time|Remote|Spain - Remote

Role Overview Fundraise Up is hiring a UX Researcher based in Spain for a remote position. This role centers on improving user experience through research and analysis that shapes product direction. What You Will Do Work closely with designers, product managers, and developers to uncover user needs and challenges. Gather and analyze user insights to guide product design and functionality. Ensure our products remain user-friendly and effective by sharing research findings with the team. Remote Work This is a remote role with the flexibility to work from anywhere in Spain. All collaboration and project contributions take place online.

Apr 20, 2026

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Senior Full Stack Developer - Node.js & Angular

Talan

Full-time|On-site|Málaga

Role overview Talan is looking for a Senior Full Stack Developer to join the Málaga office. The focus is on designing, building, and maintaining web applications using Node.js and Angular. The goal: deliver features that improve user experience and help achieve business objectives. What you will do Develop and support scalable web applications with Node.js and Angular Collaborate with cross-functional teams to deliver reliable, high-performance solutions Mentor junior developers and help define software development practices Offer technical input and ideas to create solutions that adapt as the business grows Requirements Solid experience building web applications with Node.js and Angular Ability to work with colleagues from a range of disciplines Focus on quality and performance in software development Interest in sharing knowledge and supporting teammates’ growth

Apr 24, 2026

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Senior TypeScript/Node.js Developer at Sigma Software | Madrid

Sigma Software Group

Full-time|On-site|Madrid

Join our dynamic team at Sigma Software Group as a Senior TypeScript/Node.js Developer. We are seeking an innovative and experienced developer to contribute to our cutting-edge Swedish ad platform. You will work collaboratively with a talented group of professionals, enhancing our technology stack and delivering high-quality software solutions.

Mar 26, 2026

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Java Backend Developer

EPAM NEORIS

Full-time|On-site|Madrid, Spain

At EPAM NEORIS, we believe that transformation begins with people. Today, as part of EPAM, we are expanding our global reach and capabilities while maintaining what matters most: a culture where every individual can grow, contribute, and lead the way. We are not just filling positions; we are looking for talent eager to excel, continuously learn, and leave a mark on every project. Our team is diverse, inclusive, and ever-evolving. We promote ideas, not hierarchies, and invest in the genuine development of each person. If you want to work in an environment where your growth is valued as much as the results, we want to hear from you.Supported by over 60,000 professionals in more than 55 countries and a strong Nearshore model, we connect global capabilities with local trust to create real impact, sustainable growth, and high-value results for our clients.We are looking for: Java Backend DeveloperKey Responsibilities:• Design, develop, and maintain REST APIs and backend microservices in digital payment environments.• Implement new features and enhance existing services related to tokenization, e-commerce authentication, and QR code reading.• Analyze technical and functional requirements, proposing viable solutions alongside the development and architecture teams.• Actively collaborate with frontend teams, architecture, and other banking system environments.• Write, maintain, and execute automated tests (unit, integration, and end-to-end), ensuring software quality.• Participate in code reviews and solution certification processes with payment brands.

Apr 17, 2026

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Product Analyst at Fundraise Up | Remote in Spain

Fundraise Up

Full-time|Remote|Spain - Remote

Position Overview:Join our dynamic team as a Product Analyst and play a pivotal role in shaping our data-driven product decisions. In this position, you will engage in the entire analytical lifecycle, from constructing data marts and ETL processes to designing and analyzing A/B tests. This is an enriching opportunity for a proactive data enthusiast who thrives in a collaborative environment and is dedicated to leveraging data for impactful insights.Key Responsibilities:Identify Trends: Analyze user behavior to uncover actionable insights and develop data-supported product hypotheses.Manage A/B Testing: Design, execute, and interpret A/B tests to validate concepts and enhance product efficiency.Establish Data Infrastructure: Create and maintain data marts and BI reports to visualize key metrics across the organization.Conduct In-Depth Analyses: Address ad-hoc analytical requests to support critical business questions.

Feb 23, 2026

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Backend Magento Developer

Interactiv4

Full-time|On-site|Madrid, Barcelona y Zaragoza

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.

Sep 26, 2018

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French Fundraising Internship

Street Child

Internship|On-site|Barcelona, Catalonia, Spain

About Us:Street Child is a dedicated charity focused on empowering the most vulnerable children across the globe by providing them with access to education and supporting their families with sustainable means to keep them in school. Join us at a pivotal moment for our cause; we are an ambitious international development charity, and this is your opportunity to embark on an inspiring fundraising journey!We take pride in our amazing volunteers who help us keep overheads low, ensuring that the maximum amount of funding is directed towards our impactful projects in West Africa and Asia. We are currently seeking a full-time French intern (33 hours/week) to join our Barcelona office. The ideal internship duration is 6 months, although shorter commitments can be negotiated.At Street Child, we value diverse skills among our interns and are willing to tailor tasks according to individual strengths and interests, allowing you the freedom to showcase your talents.Key Responsibilities:Conduct fundraising research: Identify new funding opportunities, including trusts, foundations, and major donors in France, and establish contact.Draft funding proposals: Write compelling proposals for trusts and foundations based on knowledge of past, current, and upcoming Street Child projects, requiring thorough research into the geographical, political, and local contexts of our operating countries.Marketing and Communications: Promote local and international events, update our website, and generate engaging content for our social media platforms.Administrative support: Assist with daily operational tasks for the

May 16, 2024

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Engineering Team Leader for Elements Team

Fundraise Up

Full-time|Remote|Spain - Remote

Position OverviewJoin our dynamic Elements Team as an Engineering Team Leader, where you'll spearhead the development of integrated donation widgets for nonprofits, enhancing their online giving experiences.Key HighlightsLocation: Fully remote (CET hours preferred)Language: Our team primarily speaks Russian, with a requirement for proficiency in English at a B2 level or higher.About Fundraise UpFundraise Up is a pioneering global fundraising platform designed to simplify the donation process for nonprofits worldwide. Our cutting-edge technology facilitates millions in donations monthly, empowering organizations to achieve their fundraising goals efficiently. We focus on innovations that drive results, such as improved load times, enhanced conversion rates, and a design centered on accessibility.Our platform is trusted by top nonprofits globally, including UNICEF and the Alzheimer’s Association, and boasts an impressive 4.9/5 rating across leading software review sites for both impact and product quality.A Truly Global ProductWe cater to nonprofit organizations across North America, the UK, Australia, and Europe, building a comprehensive product ecosystem that serves nonprofits, donors, and partners. Our platform features modern checkout experiences, customizable widgets, and various internal applications, all powered by a robust technology stack.The TeamOur distributed team consists of over 160 professionals, including more than 80 engineers, primarily based in Spain, Poland, Portugal, Georgia, Armenia, Turkey, and Cyprus. Many of our developers have 5-10+ years of experience, fostering a culture of technical curiosity and knowledge sharing.Despite our size, we maintain a collaborative environment where every task is valued, and every voice matters. We emphasize strong engineering practices, mentorship, and respect, ensuring quality is at the forefront of our efforts.

Mar 28, 2026

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Drupal BackEnd Developer

SQLI

Full-time|On-site|Barcelona

Join SQLI as a Drupal Backend Developer and contribute to a strategic digital platform for one of the world’s top three eCommerce platforms in a dynamic, global, and highly scalable environment.As part of our dedicated team, you will help maintain and enhance our client’s corporate headless CMS, delivering content across multiple markets to eCommerce platforms and mobile applications. This role emphasizes backend Drupal development, enterprise-level system integrations, and a commitment to quality and performance.Key Responsibilities:Manage and enhance a headless Drupal CMS (Drupal 10/11) for Nespresso’s eCommerce site and mobile apps.Design, implement, and maintain REST / JSON:API endpoints in Drupal to ensure structured content delivery to frontend applications (React), adhering to established JSON schemas.Develop integrations between Drupal and commercial solutions, including translation services and Digital Asset Management (DAM) platforms.Create and maintain reusable content structures (Paragraphs, entities, taxonomies) that support a multi-market content model while following Drupal best practices.Improve the editorial experience through the development of intuitive user interfaces and efficient editing workflows tailored for non-technical users.Oversee and optimize Drupal hosting on Acquia Cloud, ensuring high performance, security, and scalability standards.Design and implement effective multi-layer caching strategies (Drupal cache, Varnish, CDN) with appropriate cache invalidation for dynamic content.Collaborate closely with UX/UI designers to ensure compliance with accessibility standards (WCAG) and SEO best practices.Analyze and resolve issues related to APIs, integrations, and content delivery.Maintain high standards of code quality through code reviews, unit testing, and integration testing.Participate in technical validation processes, including exercises and architecture reviews in a collaborative engineering environment.

Feb 4, 2026

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Spanish Fundraising Internship - Expenses Covered

Street Child

Internship|On-site|Barcelona, Catalonia, Spain

About Us:Street Child is a dedicated charity focused on empowering some of the world's most vulnerable children by providing them access to education and sustainable support for their families. Join us at this pivotal moment to champion our cause; as a dynamic international development charity, we invite you to participate in a remarkable fundraising journey!At Street Child, we are fortunate to have a dedicated group of volunteers who help keep our operational costs low, ensuring that the majority of funds are directed towards our impactful projects across West Africa and Asia. We are currently seeking a full-time Spanish intern (33 hours/week) to join our Barcelona office. The ideal internship duration is 6 months, although shorter commitments can be discussed.We value diverse skill sets among our interns and are willing to tailor tasks based on individual strengths and interests, providing opportunities to showcase your talents.Key Responsibilities:As part of a small team led by the Street Child EU Development Manager, your primary responsibilities will include: Conducting fundraising research to identify new funding opportunities, including trusts, foundations, and major donors in Spain, and reaching out to them. Writing compelling funding proposals for trusts and foundations, leveraging knowledge of past, present, and future Street Child projects. Administrative Support:Assisting with daily office operations, taking minutes during meetings, and performing other administrative tasks as needed.Communication and Marketing: Managing social media accounts, updating the website, promoting local and international events, and managing email campaigns, including translations between English and Spanish. Coordinating volunteer efforts and managing events: supporting existing volunteers and assisting with recruitment and event planning. Engaging in business development by establishing collaborations and partnerships with other organizations and companies. What You Will Gain:By interning at Street Child, you will acquire invaluable experience that will enhance your CV through diverse responsibilities and regular training sessions aimed at improving both your professional and personal skills. As a relatively new organization, you will have the opportunity to take on significant responsibilities and make a meaningful impact for a worthy cause. Additionally, you will work with a vibrant, international team, allowing you to connect with individuals from various cultural backgrounds.

Dec 13, 2023

Senior Backend Developer (Node.js) at Jobgether | Spain

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