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Experience Level
Senior
Qualifications
Essential Skills:Solid foundation in Software Engineering principles. Hands-on experience with TypeScript and React frameworks. Proven adaptability across various full-stack environments. Exemplary performance in fast-paced, dynamic settings. Strong ability to navigate changing priorities within self-organized teams. Effective communication abilities across diverse teams. Fluency in English is required. Proficiency in AI Tools: Utilize one or more AI tools to enhance daily tasks such as drafting, research, analysis, or process automation. Offer insights on optimal AI utilization and identify workflow improvement opportunities. Experience with Large Language Models (LLMs). Understanding of agent architectures and critical components, including considerations for LLM integration.
About the job
About Us: At Wizeline, we are a premier global technology solutions provider specializing in AI-native digital products and platforms. Our mission is to empower organizations by harnessing data and AI to expedite their market presence and transform their operations. We pride ourselves on fostering an innovative culture that emphasizes growth, collaboration, and impact.
With the right talent and innovative ideas, the possibilities are endless.
Are You the Right Fit? If this sounds exciting, let’s see if you align with the following:
About Wizeline
Wizeline stands at the forefront of AI-driven technology solutions, dedicated to crafting innovative digital products and platforms that leverage the power of data and artificial intelligence. Our collaboration with clients accelerates their market entry and drives significant business transformation, all while cultivating a vibrant community of innovators focused on mutual growth and impactful outcomes.
Join anyone-ai as an AI Software Engineering Trainer, where you will play a pivotal role in shaping the future of AI education. Your expertise in software engineering and AI technologies will help guide aspiring professionals in mastering cutting-edge methodologies.As part of our innovative team, you will be responsible for developing and delivering training…
About Prosper AIProsper AI is at the forefront of innovation, specializing in AI Phone Agents designed for the healthcare sector. Our mission is to deliver human-like expertise while dramatically reducing operational costs. Our AI Agents efficiently manage a variety of tasks such as patient outreach, claims status inquiries, benefit verifications, prior authorizations, scheduling, and balance reminders. We are dedicated to eliminating $200 billion in administrative waste, enabling healthcare professionals to devote more time to patient care instead of administrative duties.Your RoleJoin us at Prosper as we redefine the capabilities of real-time AI technology. As a Software Engineer, your primary focus will be on designing and scaling our robust platform, including low-latency speech and LLM pipelines, orchestration layers, and reliability systems that empower our AI voice agents to engage in complex healthcare conversations with clarity and efficiency. This position is a full-time, on-site opportunity based in Barcelona with the potential for relocation to our New York office.Qualifications1-3 years of hands-on experience in developing end-to-end software solutions, from architecture to deployment.Proficiency in technologies that drive our stack, particularly FastAPI (Python) for backend development and React (TypeScript) for frontend.Experience in managing large-scale distributed systems with asynchronous workload orchestration.Familiarity with LLMs, AI agents, or other machine learning models is advantageous; we utilize Pipecat for our voice agents.A founder mindset: take ownership and work diligently, viewing Prosper as a stepping stone to your future entrepreneurial endeavors.Prepared to tackle the complexities of deploying AI voice agents for thousands of daily calls.Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Physics, or a related field (or equivalent experience).Interview ProcessInitial conversation to discuss your background, aspirations, and career goals (30 minutes).Completion of a take-home challenge to be reviewed in the subsequent interview.Discussion of your solution with our engineering team to evaluate your approach and thought process.
Role overview Anyone AI seeks experienced software engineers to serve as AI Software Engineering Trainers. This is a remote, part-time consulting position for candidates based in Spain. Trainers collaborate with a prominent AI laboratory, shaping authentic engineering tasks and evaluating solutions for technical quality and depth. What you will do Create and implement multi-file coding challenges that cover bug fixes, new features, refactoring, and test development. Write clear, thorough specifications along with reference implementations. Develop and expand unit and integration test suites. Review peer-created tasks for technical accuracy and clarity. Identify edge cases, ambiguities, and potential failure points in both code and requirements. Ensure alignment between specifications, code, and expected outputs. Expected outcomes Deliver solutions that are production-ready and meet recognized industry standards. Requirements Exceptional written English for professional communication. 3 to 7 years of hands-on software engineering experience. Proficiency in Python and JavaScript or TypeScript. Knowledge of Java, C#, or Go is a plus. Background in backend or full-stack development for production environments. Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools. Ability to work with large, multi-file codebases and debug complex issues. Track record of code reviews, refactoring, and managing production migrations. Engagement details Part-time, project-based consulting arrangement. Fully remote role based in Spain.
We are seeking a highly skilled Software Engineer with a strong technical foundation and a passion for innovation. The ideal candidate will have a keen interest in designing and implementing AI-driven solutions, with a focus on performance, scalability, and effective delivery.Responsibilities:Integrate AI into existing enterprise ecosystems by connecting with APIs and both internal and external services.Develop and finalize services using automated code generation tools.Collaborate with technical teams and actively participate in the implementation process.Stay abreast of the latest advancements in applied AI.Possess solid knowledge in software development using Java, .NET, Angular, React, Vue, or similar frameworks.Contribute to the continuous improvement of AI tools.Engage with various stakeholders, including internal teams and external clients.
Role Overview T-Systems Iberia is hiring an AI / Software Solutions Engineer in Seville. This position focuses on designing, developing, and implementing AI-driven software that improves efficiency and user experience. What You Will Do Create and deliver AI solutions for real-world applications Contribute to the full software development lifecycle, from concept to deployment Work with a team to solve complex technical challenges Support projects that enhance client outcomes through technology Who We’re Looking For Experience in AI or software engineering Comfort working on challenging problems Interest in building solutions that make a difference for users and clients Ability to collaborate in a team setting
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain
OverviewThe field of artificial intelligence is advancing rapidly, with technologies like large language models (LLMs) and multi-agent systems becoming integral to various sectors. At TransPerfect Legal, we are enhancing our AI capabilities to better serve our clients in eDiscovery, document review, and complex information workflows. We are committed to pioneering innovative AI-driven solutions that tackle intricate business challenges directly.As a member of our Legal Artificial Intelligence team, the AI Software Engineer will work closely with AI/ML engineers, product teams, and domain specialists to design and implement robust, production-grade solutions that utilize cutting-edge AI, ensuring our clients' needs are met effectively.We are looking for a talented individual to join our small and agile team, who will assist in the design, development, and support of AI-powered systems encompassing various use cases including LLMs, information retrieval, agentic workflows, and traditional machine learning strategies. Projects will involve classification, information detection, extraction, categorization, and AI-assisted review tools aimed at deriving actionable insights from both structured and unstructured data. This role necessitates a strong background in modern AI development, scalable infrastructure, and a passion for continuous learning and the application of state-of-the-art methods to real-world legal technology challenges. While experience in eDiscovery is not mandatory, it is highly valued.
Hello!We are Fever, a pioneering tech platform dedicated to transforming culture and live entertainment.Our mission is clear: to democratize access to culture and entertainment. Through our advanced technology and data-driven strategies, we are changing the way people experience live events. Every month, our platform captivates over 300 million people across more than 40 countries, while empowering event creators to innovate and expand their reach using our tools and insights.Our achievements speak for themselves—we have collaborated with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, and have been recognized with international awards. It’s an impressive journey, and we’re just getting started!To further our mission, we are in search of exceptional individuals with a proactive approach who are excited to contribute to the future of entertainment!Are you ready to join us on this journey?Now, let’s delve into the specifics of this role and how you can contribute to Fever’s mission.
zooplusse is looking for a Senior AI Software Engineer to strengthen its team in Madrid. This position centers on the software development lifecycle (SDLC) for AI-driven products. Role overview This engineer will work closely with colleagues from different disciplines to create and implement AI algorithms. The focus is on building solutions that improve user experiences and contribute to business goals. Key responsibilities Take part in all phases of the SDLC for AI projects, from initial design through deployment. Work with cross-functional teams to define and deliver technical solutions. Develop and refine advanced algorithms for real-world applications. Location This role is based in Madrid.
Full-time|On-site|Avenida de las Cortes Valencianas 58, 46015 Valencia
MissionAs a pivotal member of our development team, you will be responsible for translating architectural designs into high-quality, production-ready software. Your primary focus will be on the development and optimization of a hybrid Node.js and C++ system, utilizing AI-driven tools to enhance productivity without sacrificing code quality.Responsibilities:Design and implement backend components using Node.js and create high-performance integrations with C++.Translate technical specifications into effective, functional software solutions while ensuring accuracy.Leverage AI tools to expedite development processes, validation, and code enhancements.Employ test-driven development methodologies to guarantee system robustness and stability.Oversee and optimize build environments, including Docker, Make, and CMake.Conduct performance analyses to identify and resolve bottlenecks, particularly in Node.js and C++ interactions.Refactor legacy code to transform it into clean, maintainable, and high-performance solutions.Collaborate with architecture teams to continuously refine and enhance the system.
Join Aircall, a leading unicorn in the customer communications sector, revolutionizing how over 22,000 companies engage with their customers globally. Our innovative AI-powered platform integrates voice, SMS, WhatsApp, and AI into a single, compelling workspace, designed to drive revenue, enhance issue resolution, and empower customer-facing teams.Our success is rooted in a clear vision: enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to perform at their peak. This leads to increased revenue, quicker resolutions, and scalable teams that operate with confidence.Headquartered in Paris, with a robust North American base in Seattle, Aircall operates across dynamic cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI enhancements across diverse product lines.At Aircall, you will be part of an evolving company that is ambitious, product-oriented, and execution-driven, where your efforts yield visible impact, swift decision-making, and genuine growth.Our Work Culture: We are deeply customer-focused, data-centric, and committed to achieving significant results. We encourage ownership, ongoing learning, and thoughtful pace. If you excel in a cooperative, fast-paced environment where trust and influence are paramount, you will thrive with us.We are seeking a motivated and passionate Senior AI Software Engineer to enhance our expanding engineering division and contribute to our engineering teams.As a Senior AI Software Engineer, your role will involve the design, development, deployment, and management of AI-driven features that provide substantial value to our customers. Your daily responsibilities will encompass maintaining operational excellence, leveraging metrics and observability, sharing best practices, and mentoring team members across the Engineering department.Quality, excellence, and agility are the bedrock of our delivery processes, and you will be a key player in enhancing these standards. Our development is based on NodeJS and Typescript back-end stacks, tailored to meet specific requirements and always hosted on AWS, creating resilient services that integrate seamlessly with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Jobgether is looking for a Senior Software Engineer to focus on AI SaaS solutions. This position is based in Spain and centers on designing, developing, and implementing software that uses artificial intelligence to address client needs. Role overview This role involves building and improving software products that incorporate AI. The work directly supports the evolution of jobgether’s offerings and aims to deliver better experiences for customers. Collaboration is a key part of the job, with opportunities to contribute ideas and refine processes alongside other team members. What you will do Design and develop software solutions using AI technologies Implement features that address client requirements Work closely with colleagues to enhance and expand product capabilities What we look for Experience in software engineering, especially with AI-driven SaaS products Ability to collaborate and contribute within a creative, improvement-focused team
Anyone AI seeks experienced Backend Developers based in Spain to support a high-profile AI laboratory project. This remote, part-time role centers on expert evaluation tasks and the creation of realistic software engineering exercises. Role overview As a Backend Developer - AI Trainer, the primary focus is on designing and assessing complex coding challenges. Tasks include bug fixes, feature development, refactoring, migrations, and test generation. The position involves both creating coding scenarios and reviewing peer submissions for accuracy and quality. Responsibilities Design and implement multi-file coding assignments covering bug resolution, new features, refactoring, and testing Write clear, natural-language specifications and provide reference implementations Develop and improve unit and integration test suites Review and evaluate peer-generated tasks for correctness, clarity, and realism Identify edge cases, ambiguities, and potential failure points Ensure alignment between specifications, code, and expected results Requirements Exceptional written English skills 3–7 years of experience in software engineering Advanced proficiency in Python and JavaScript or TypeScript; familiarity with Java, C#, or Go is a plus Background in backend or full-stack development within production settings Knowledge of testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing Strong debugging skills and the ability to navigate large, multi-file codebases Experience with code reviews, refactoring, and production migrations Engagement details Part-time, project-based work Remote from anywhere in Spain Expected outcomes Deliver high-quality, production-ready coding tasks that meet industry standards
About UsAt Visium, we empower enterprise leaders to craft their AI and data strategies, drive transformative initiatives, and effectively integrate AI into their operations—ensuring that their organizations are resilient and future-ready. As a spin-off from Visium, we are channeling our extensive enterprise knowledge into a groundbreaking product: a category-defining Agentic AI solution tailored specifically for pharmaceutical companies.Our product is anchored in AI designed for highly regulated sectors, operating where complexity, compliance, and trust are paramount. Our mission is clear: to expedite the delivery of life-saving medications to the market, making the process faster, more cost-effective, and safer, thereby unlocking significant benefits at scale.With deep roots in enterprise AI and an ambitious vision for the future, we are building a team of innovators, engineers, researchers, and product thinkers to shape a product that is not only technically superior but also transformative.Join us on a mission to redefine the future of work, creativity, and knowledge. Are you ready to help us construct the future of Agentic AI?Role OverviewWe are in search of a Full-Stack Software Engineer eager to help us create the foundation of our Agentic AI Platform from the ground up. You will translate cutting-edge AI concepts into real, production-ready software utilized by scientists and researchers daily.Your responsibilities will encompass the entire stack: from developing intuitive frontends that simplify complex AI systems to designing robust APIs and backend services that facilitate autonomous agents. You will work collaboratively with ML engineers, product designers, and domain experts to forge a platform that merges human expertise with intelligent automation.This role is hands-on and impactful, granting you significant ownership. You will play a critical role in making architectural decisions, experimenting with innovative agentic frameworks, and helping to establish what “state-of-the-art” signifies in the realm of trustworthy AI for life sciences.If you thrive in dynamic environments, are passionate about creating groundbreaking solutions, and aspire to influence the next generation of intelligent software, we would be excited to connect with you.Your daily activities might include:Designing and implementing full-stack features that bring agentic workflows to life for scientists and researchers.Creating orchestration layers, retrieval pipelines, and APIs for intelligent agents using Python and FastAPI.Developing user-friendly and high-performance frontends in React and TypeScript for configuring and monitoring AI agents.Collaborating with ML engineers to integrate LLMs, embeddings, and RAG systems into production settings.Building and maintaining cloud-native infrastructure using containers, Kubernetes, and CI/CD automation.Contributing to architectural decisions, SDK design, and enhancing the developer experience.
Why Join dLocal?At dLocal, we empower some of the world's largest companies to seamlessly collect payments across 40 countries in emerging markets. Global brands trust us to enhance conversion rates and facilitate effortless payment expansion. As both a payments processor and a merchant of record in our operating regions, we enable merchants to penetrate the fastest-growing, emerging markets available.Becoming a part of dLocal means joining an incredible global team dedicated to making significant impacts. With over 1,000 teammates from more than 30 nationalities, you will have the opportunity to develop an international career that influences millions of lives every day. We are builders who embrace challenges and prioritize customer satisfaction. If this resonates with you, we are confident you will thrive in our environment.What’s the Opportunity?We are in search of a dynamic Senior Python Software Engineer to join our team, someone who is adaptable and ready to take on diverse responsibilities. Your primary focus will be on software development and creating scalable AI solutions, but you may also engage in architectural design and data analysis from time to time.We seek a proactive builder who takes extreme ownership and has a clear product vision. We aim to move beyond the Proof of Concept stage and need someone who actively identifies and resolves bottlenecks, driving the creation of robust solutions that enhance our engineering ecosystem and deliver measurable, data-driven results.
Role Overview Hopper is looking for a Senior Software Engineer to help build AI-powered solutions for the fintech foundation. This fully remote position is open to candidates based in Spain. What You Will Do Develop and improve financial services using advanced AI technologies Work closely with a skilled team of engineers and product experts Contribute ideas and technical expertise to drive product innovation About the Team Join a group that values collaboration, technical excellence, and creative problem solving. Hopper’s fintech engineering team is committed to building reliable, forward-thinking products for the financial sector.
About Us:At Wizeline, we are a premier global technology solutions provider specializing in AI-native digital products and platforms. Our mission is to empower organizations by harnessing data and AI to expedite their market presence and transform their operations. We pride ourselves on fostering an innovative culture that emphasizes growth, collaboration, and impact.With the right talent and innovative ideas, the possibilities are endless.Are You the Right Fit?If this sounds exciting, let’s see if you align with the following:
Mission Join our innovative team as the driving force behind our software development process. You will be instrumental in translating architectural designs into high-quality, efficient, and deployable code. Your focus will be on crafting and fine-tuning a cutting-edge hybrid system that integrates Node.js and C++, utilizing AI tools to enhance development speed and productivity while maintaining the highest standards of code quality. Responsibilities: Design and implement backend components in Node.js, ensuring seamless integration with C++. Convert technical specifications into functional solutions with precision. Leverage AI technologies to expedite development, enhance validation processes, and refine code. Adopt test-driven development methodologies to guarantee the reliability and stability of applications. Oversee and optimize build environments, including tools like Docker, Make, and CMake. Evaluate system performance, identifying and addressing bottlenecks within Node.js and C++ interactions. Refactor legacy code into clean, maintainable, and efficient solutions. Work closely with architecture teams to drive continuous improvements across the system. Requirements Technical: Proven experience in Node.js development. Proficiency in reading, understanding, and debugging C++ code. Familiarity with AI development tools and frameworks. Strong analytical skills and problem-solving abilities. Experience with Docker, Make, and CMake for build optimization. Understanding of performance analysis and optimization techniques.
Prosper AI creates AI Phone Agents tailored for the healthcare sector. These agents support tasks such as patient communications, claims status checks, benefits verification, prior authorization management, and appointment scheduling. The company aims to reduce administrative waste in healthcare, freeing up professionals to focus on direct patient care. Role overview The Forward Deployed Engineer will contribute to advancing Prosper AI’s real-time voice agent technology. This position focuses on building agents that communicate effectively and integrate smoothly with client systems. High performance and low latency are essential requirements. Collaboration with AI Product Managers is a key part of the role, identifying technical enhancements and fine-tuning agent performance to match each client’s needs. Location This is a full-time role based in Barcelona. There may be future opportunities to transfer to the New York office.
Full-time|On-site|Avenida de Bruselas 7, 28108 Alcobendas
Join our innovative team at arsys2, where you will be at the forefront of developing cutting-edge solutions. As an AI-Driven Software Engineer, you will transform architectural specifications into robust, efficient, and production-ready code. Your expertise in building and optimizing a hybrid Node.js–C++ system will be invaluable as you leverage AI tools to accelerate development speed without sacrificing quality.
Mindrift seeks a Freelance AI Workflow Engineer to join the Tendem project as an AI Pilot. This part-time, remote role centers on building automation systems powered by Large Language Models (LLMs) in collaboration with Tendem Agents, who manage repetitive tasks. The focus is on prompt engineering, workflow design, and maintaining quality throughout each solution. Key Responsibilities Design and evaluate workflows using LLM APIs such as OpenAI, Claude, Gemini, or similar tools. Build and refine automation systems for tasks like content creation, enrichment, and communication. Develop and iterate on prompt frameworks to ensure consistent, high-quality workflow outputs. Create automated outreach systems, including email and messaging flows, and oversee lead enrichment processes. Organize and preprocess data to support stable model performance and reliable results. Review and optimize AI-driven pipelines for scalability, efficiency, and accuracy. Role Fit This freelance position suits professionals experienced in LLM integrations, prompt design, and AI automation. The part-time, remote structure offers flexibility for those with relevant expertise. Location Remote , València, Valencian Community, Spain
