Anyone AI is seeking a Backend Developer to work on a project in partnership with a leading AI laboratory. This remote, part-time role centers on expert evaluation and hands-on software engineering, contributing directly to the development of advanced AI technologies. Role overview This position involves designing and evaluating realistic software engineering tasks. Typical activities include debugging, building new features, refactoring or migrating code, and generating tests. The work also requires creating complex coding scenarios and reviewing the work of peers to ensure technical accuracy and clarity. What you will do Create and implement multi-file coding tasks, including bug fixes, feature development, refactoring, and testing Write clear, natural-language specifications and corresponding reference implementations Develop and improve unit and integration test suites Review tasks created by peers for accuracy, clarity, and realism Identify edge cases, ambiguities, and possible failure points Ensure alignment between specifications, code, and expected results Requirements Fluent English and strong written communication skills 3 to 7 years of professional experience in software engineering Deep knowledge of Python and JavaScript or TypeScript, plus familiarity with Java, C#, or Go Background in backend or full-stack development in production settings Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing Strong debugging abilities and comfort working in large, multi-file codebases Experience with code reviews, refactoring, and managing production migrations Engagement details Part-time, project-based Remote work Expected outcomes Deliver high-quality, production-ready coding solutions

Role Overview anyone-ai is seeking a Full-Stack Developer to support AI training projects in the Netherlands. This role focuses on building and improving software that strengthens our AI systems. What You Will Do Design and implement software solutions for AI training workflows Collaborate with team members to enhance AI capabilities Contribute to ongoing improvements in our development process Location This position is based in the Netherlands.

Anyone AI is on the lookout for talented software engineers to join our team as project consultants, contributing to innovative AI training projects.As a Software Engineering AI Trainer, you will create and evaluate engaging software engineering tasks including bug fixes, feature implementations, and testing scenarios.

Anyone AI is looking for experienced software engineers based in the Netherlands to work with a prominent AI research lab. This is a part-time, project-based consulting position with all work done remotely. The role focuses on both evaluating and creating software engineering tasks that contribute to advancing AI technology. Key responsibilities Design and implement multi-file coding projects, covering bug fixes, new features, refactoring, and writing tests Draft clear specifications and provide reference implementations in natural language Develop and enhance unit and integration test suites Review peer-created tasks for accuracy, clarity, and real-world relevance Identify edge cases, ambiguities, and potential failure points Ensure consistency among specifications, code, and expected outcomes Requirements 3–7 years of substantial experience in software engineering Excellent English communication skills, both written and spoken Strong proficiency in Python and JavaScript or TypeScript; knowledge of Java, C#, or Go is a plus Background in backend or full-stack development in production environments Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools Demonstrated debugging skills with large, complex codebases Hands-on experience with code reviews, refactoring, and managing production migrations Expected outcomes Deliver production-ready software solutions that align with defined requirements and standards Engagement details Part-time, project-based consulting role Fully remote work arrangement

Join Anyone AI, a pioneering company at the forefront of artificial intelligence, as we seek talented Full-Stack Developers to collaborate on an innovative project with a top-tier AI laboratory. As a vital contributor, you will engage in designing and assessing realistic software engineering tasks, which will involve debugging, feature implementation, refactoring, and test generation.

Join Deliverect, a pioneering force in commerce, where our API-first platform is transforming the food and retail industries. We provide businesses with a connected suite of solutions that simplifies operations and enhances revenue streams. Be part of a mission that empowers enterprises to sell seamlessly and deliver effortlessly in a dynamic global market.Department Focus:The Product Department at Deliverect is leading the digital ordering revolution, striving to deliver innovative solutions to the global marketplace. Our talented team of engineers, designers, and product managers are dedicated to creating tools that enable businesses to flourish in an ever-evolving digital landscape, optimizing digital ordering for both delivery and on-premise services. We are committed to crafting user-friendly, reliable, and scalable technology that streamlines operations and elevates customer experiences, playing a crucial role in the success of businesses worldwide. Innovation is at the core of our department, driving every initiative we undertake.Your Impact:As a Senior Backend Developer at Deliverect, you will be instrumental in developing and maintaining our platform’s core services. You will be responsible for building and scaling backend systems that optimize order management and facilitate seamless integrations for our clients. Your contributions will directly influence the stability and performance of our platform, ensuring a dependable experience for thousands of restaurants globally.*This position is a full-time, hybrid role with flexible work arrangements, requiring 3 days in our Amersfoort office and 2 days of remote work.

Exceptional Work is a Standard HereDo you see working on the Netherlands' first AI-first insurtech software as the most natural thing in the world? Great, so do we!Alongside your colleagues, you will be part of a Feature team developing our new Inpact Insurance Platform (IIP). You will have considerable freedom to implement improvements and work with the latest innovations from Microsoft. Each day typically starts with a standup meeting where your team addresses the question: how can we automate more 'tedious' tasks smartly?During each sprint, you will focus on developing new features and engaging in DevOps. You will directly contribute to our mission of transforming the insurance landscape by working on the IIP. Your role will involve processing large volumes of unstructured data (emails, PDFs, documents, photos) automatically. Additionally, you will frequently collaborate with other coding teams to optimize features. Each day brings new challenges, allowing you to grow rapidly as a Backend Developer while making a tangible impact for our clients.A Typical Day at InpactAt Inpact, we help insurers innovate, allowing them to focus on what truly matters. As a Backend Developer, you will be building the future of insurance. No fluff, just results. Yes, we are ambitious. However, there is no excessive workload or competition over job titles here. We leave big egos behind while welcoming grand plans with open arms, including our strategy to go fully AI-first, which is already underway. Our team consists of a close-knit group of 100 down-to-earth colleagues who are passionate about technology, AI, and Data Science. We avoid hassle, focusing instead on delivering exceptional results while collaborating with clients to successfully implement our AI solutions.Your Role in Shaping the Future of InsuranceWe seek individuals who consistently deliver high-quality work. No gimmicks, just groundbreaking contributions. No boasting, just pride in our collective achievements. As a Backend Developer, we expect you to:Have a minimum of 2 years of backend development experienceBe proficient in C#Have an affinity for AI, DevOps, and GitHubPossess a proactive and eager-to-learn attitudeBe skilled in CI/CD, API, and SQL

Join Our Dynamic Team as a Backend Search Developer!We are on the lookout for a passionate and driven search developer to join our energetic and innovative team at Lefebvre Sdu. Together, we are shaping the future of legal research capabilities for lawyers, tax advisors, and businesses.AI is rapidly transforming the legal sector, presenting numerous opportunities to enhance the efficiency and enjoyment of legal work. Lefebvre Sdu leads this transition in the Dutch market with our product, GenIA-L, the first AI solution in the Netherlands capable of reliably addressing legal and tax-related inquiries. Used daily, our ambition is to elevate GenIA-L to new heights, delivering even more accurate answers to increasingly complex legal questions while seamlessly integrating into professionals' daily workflows.Why We Need You – You are an assertive search developer who understands that Retrieval-Augmented Generation (RAG) hinges on excellent retrieval. You approach complexity with curiosity and are eager to harness the power of AI to enhance search capabilities. Your expertise in Elasticsearch will help us maximize our search engine's potential, while your knowledge of other technologies will also contribute significantly. You think beyond the code, proposing ideas to make our results more relevant while balancing quality, speed, and cost. Moreover, you continuously challenge and develop both yourself and your teammates technically.

Join our innovative team at dev2 as a Senior Backend Developer specializing in AdTech. In this role, you will be responsible for designing and implementing robust backend systems that drive our advertising technology solutions. You will work closely with cross-functional teams to ensure seamless integration and performance of applications.

Have you ever experienced a customer journey that left a lasting impression, good or bad? Businesses strive to enhance your engagement by resolving your issues and enriching your interactions at every touchpoint. At CM.com, we aim to transform every customer journey into a memorable experience.The entire customer journey. One platform.In a world where customers navigate seamlessly across channels, platforms, apps, and physical locations, our mission is clear: Empower growing businesses to connect, sell, interact, and engage through a unified Global AI-Powered Customer Engagement Platform. We integrate conversations, customer data, and payments with AI Agents, enabling businesses globally to grow faster and collaboratively.Our services operate within a unique business structure consisting of four core units: Connect, Pay, Live, and Engage.We are currently seeking a Backend Developer to join our Customer Data Platform product team!What You Will DoOur goal is to build the ultimate Global AI-Powered Customer Engagement Platform that allows businesses to connect with their customers, automate workflows, and manage every interaction through one reliable, user-friendly interface. This is our vision for 2026.In your first year, you will:Take ownership of a crucial component within CM.com’s product ecosystem. The Customer Data Platform (CDP) is essential for managing customer data, allowing clients to effectively store, structure, and utilize their data. It underpins key CM.com solutions such as marketing software, customer service tools, and AI platforms like HALO, making it vital for many high-profile clients. Your contributions will significantly influence how businesses harness data to craft personalized, data-driven experiences. Your responsibilities will include:Designing and implementing new features.Building and optimizing data pipelines for complex customer data.Ensuring scalability, reliability, and high performance.Collaborate closely with a cross-functional Scrum team comprising five developers, a Product Owner, and a UX Designer, where you will have impactful participation in...

Join us as a Freelance Surgeon - AI Trainer, dedicating 8 to 20 hours per week remotely from the EU or UK.Are you a practicing or former surgeon eager to leverage your clinical insights in innovative ways?At 10x.team, we collaborate with premier AI labs to optimize advanced AI systems. Your contributions will focus on enhancing the accuracy and effectiveness of AI-generated recommendations related to surgical procedures.Your Role:Critically assess AI-generated surgical decision-making content and perioperative care recommendations.Validate outputs against clinical standards, ensuring procedural accuracy and patient safety.Design realistic surgical scenarios including preoperative evaluations, intraoperative decisions, and postoperative plans.Create various case perspectives reflecting the roles of different stakeholders in surgical care.Identify and rectify any unsafe recommendations or unrealistic assumptions within AI outputs.In Summary:Your role is to refine AI-generated content to ensure it mirrors authentic surgical judgment, risk assessment, and evidence-based practices.This position does not involve direct patient care; rather, it enhances AI's ability to understand and reason about surgical care broadly.

dept offers an internship for a Backend Developer in Amsterdam or Rotterdam. This position gives aspiring developers the chance to gain hands-on experience and learn from seasoned professionals. Role overview The internship centers on supporting backend development for active projects. Interns will join a team of experienced colleagues and take part in real-world software work. What you will do Assist in building and maintaining backend systems for ongoing projects Collaborate with a team of skilled professionals Share ideas and contribute code to development efforts

Why Join Nebius?Nebius is pioneering a transformative era in cloud computing, aimed at empowering the global AI economy. We provide innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize industries without incurring significant infrastructure expenses or the necessity of establishing large in-house AI/ML teams. Our team operates at the forefront of AI cloud infrastructure, collaborating with some of the most knowledgeable and inventive leaders and engineers in the industry.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our workforce of over 1,400 includes more than 400 proficient engineers, all possessing extensive expertise in both hardware and software engineering, complemented by an in-house AI R&D team.About Token FactoryToken Factory is dedicated to developing a cutting-edge platform that empowers companies to effortlessly integrate AI into their products and operational workflows. Our vision is to establish a robust, open, and scalable alternative for deploying and managing AI systems, thereby enhancing accessibility to advanced AI infrastructure for both burgeoning startups and established enterprises.We collaborate with a diverse clientele, ranging from AI-first organizations to renowned technology firms, assisting them in managing AI workloads reliably at scale. Our objective is to become the leading platform for high-performance AI inference, ensuring consistent latency, exceptional reliability, and the capacity to scale in response to demanding production requirements.Customer feedback is integral to our development approach; our iterative process is closely aligned with practical use cases.

Join us as a Senior Backend Developer!Are you a skilled backend developer eager to make a significant impact in a rapidly growing and innovative organization? FinancialLease.nl is seeking a passionate Senior Backend Developer to strengthen our Digital Innovations team and contribute to building robust and scalable solutions!About UsAt FinancialLease.nl, we go beyond leasing; we create intelligent digital solutions that simplify complexity. Our Digital Innovations team plays a central role in developing scalable, secure, and user-friendly systems that support the entire organization. We work with a modern tech stack, including C#, ASP.NET Core, TypeScript, React, React Native, and Next.js.We believe in choosing the right tools for the right challenges and prioritize clean, maintainable, and scalable code over quick, temporary fixes. Our engineers are valued partners within the business, directly contributing to the success of our services.Your RoleAs a Senior Backend Developer, you will be responsible for the development and maintenance of our backend systems and APIs. You will collaborate closely with the engineering team to build new features, enhance performance, and ensure the quality of our codebase. This is a hands-on role where you will work across the entire backend stack and actively influence technical decisions.You will join a team that prioritizes quality and structure, striving for sustainable solutions that are well-founded from the ground up.

AI Trainer - Fluent in Dutch (Netherlands) About ProlificAt Prolific, we are revolutionizing the AI landscape by creating the world's largest repository of high-quality human data.More than 35,000 AI developers, researchers, and organizations rely on Prolific to source data from compensated study participants with diverse experiences, skills, and knowledge.The RoleWe are on the lookout for individuals fluent in Dutch (Netherlands) to join a transformative AI training program. Unlike traditional data entry tasks, this position emphasizes genuine human interaction.You will collaborate with another participant to engage in organic, flowing conversations that contribute to the development of cutting-edge conversational AI. This is a short-term project requiring high availability. What You’ll BringCollaborative Learning: Assist the AI in understanding the subtleties, slang, and cultural context of Dutch through real-world dialogues.Technical Readiness: Willingness to undertake a paid TestGorilla language assessment and a dialect verification.Availability: Commitment to uninterrupted 30–60 minute conversations throughout the 3-week project timeline.Access to a reliable and fast internet connection, along with a computer.Willingness to self-declare your earnings, as our participants are self-employed.A PayPal account for receiving payments from clients.What You’ll Do in This RoleEngage in meaningful conversations that help refine AI capabilities.Provide feedback on the AI’s understanding of language nuances.

AI Trainer - Advanced Dutch Fluency About ProlificProlific is revolutionizing the AI landscape by creating the largest repository of high-quality human data globally. Over 35,000 AI developers, researchers, and organizations rely on Prolific to access data from compensated study participants possessing diverse experiences, knowledge, and skills.The RoleWe are on the lookout for fluent Dutch (Netherlands) speakers to join a vital AI training initiative. This position transcends conventional data entry—it emphasizes genuine human-to-human interaction.You will collaborate with another participant to engage in natural, flowing dialogues, contributing to the training of cutting-edge conversational AI. This is a short-term "sprint" project demanding high availability. What You’ll BringCollaborative Learning: Assist the AI in grasping the subtleties, slang, and cultural context of Dutch from the Netherlands through real-world interactions.Technical Readiness: A readiness to complete a paid TestGorilla language assessment and a dialect verification check.Availability: Capability to commit to 30–60 minute sessions of uninterrupted conversation during the 3-week project duration.A dependable and fast internet connection along with access to a computer.A willingness to declare your earnings, as our participants are self-employed.A PayPal account for receiving payments from our clients.What You’ll Be Doing in the Role Engaging in meaningful conversations to support AI training objectives.

Location: Eindhoven, on the campus of the Technical University of EindhovenWeekly Working Hours: Full-time [40 hours]Required Education Level: HBO or University | Computer ScienceAt Wolfpack, we take pride in the software we create for our clients. This pride is woven into our culture, encapsulated in our new slogan: “Pack of Hungry Creators.” These three pillars represent our core values: Teamwork & Trust, Learning & Dedication, Pride & Creation. Do these values resonate with you? If so, keep reading!As a Mid-Level Backend Developer (C#), you will collaborate with fellow developers and product owners to deliver high-quality technical solutions and implementations that you can be proud of in a timely manner.What You Tell Your Friends You Do:"As a mid-level developer, I support junior developers by providing advice and constructive feedback on proposed solutions. Sharing knowledge and experience helps everyone grow. My day starts with catching up with the rest of the pack, followed by a daily stand-up. When someone hits a roadblock, I’m eager to help! I design and code scalable, event-driven microservices in C#, while staying current with the latest developments. Continuous learning is essential! Simultaneously, I work on cloud solutions in Azure. Data has always been crucial for our clients, and by 2025, it will be even more critical. I brainstorm with my colleagues to explore potential solutions that add value for our clients. At the end of the day, we unwind over a beer, discussing how we tackled our challenges."But wait… what does that look like day-to-day?You are a reliable team member who knows how to inspire colleagues about new technologies.You implement more complex elements of a project in C#.You investigate new possibilities with cloud solutions and can persuade teammates about new features that provide data-driven value for our current and future clients.You ensure quality control within the team and establish standards.You work closely with other developers and project managers, continuously developing your skills.Develop, develop, develop, of course!

How do you, as a Backend Developer, delight our customers?As a Backend Developer at Kaartje2go, you will play a crucial role in ensuring that our customers enjoy a seamless ordering experience. You will be a part of the Development team, collaborating with Front-end and DevOps colleagues to maintain an efficient ordering process and satisfied customers.We are looking for someone who is eager to stay updated on the latest web technologies, regardless of whether they pertain to Front-end, Backend, or systems. Your willingness to learn and continuously develop your skills is what truly matters.What does a day as a Backend Developer look like?“Whether working from home or in the office, we always start our day together as a team. After a brief meeting, I review the day's agenda. The exciting part is that it varies every day. Some days are filled with various small tasks, while others involve larger projects that can last a week. My work includes small updates, bug fixes, performance enhancements, and integrating new features into our REST API. No two days are alike, which keeps my job enjoyable and challenging.”What makes you unique as a Backend Developer?You are passionate about the IT world and see technological solutions in every problem. Additionally:You have a completed HBO or WO degree in a technical field.You are a PHP specialist or are eager to become one. You are familiar with various frameworks (Symfony) and are willing to learn new ones. Currently, we are working with Symfony 7.4 and PHP 8.5.You are open to satisfying your likely curiosity about Javascript by experimenting with it in various ways.You understand that development and operations go hand in hand. You thrive on continuous integration, delivery, and deployments, and the terminal doesn't intimidate you.About your team at Kaartje2goOur Development department is divided into four teams: Shop, Editor, Core, and JAM. These teams consist of twenty motivated Developers who ensure that the website runs smoothly. Alongside their shared passion for IT, they also share a love for craft beer. Every Friday, lunch starts with a döner or falafel sandwich from Baki’s in Zwolle’s city center, followed by Kink Radio filling the speakers, and a Friday afternoon gathering filled with jokes and dry humor.What we offer youOf course, we believe that Kaartje2go is the best workplace. To also...

Join Databricks, a leader in data and AI, as a Backend Software Engineer. We are dedicated to empowering data teams to tackle the world’s most pressing challenges, from revolutionizing transportation to pioneering medical advancements. Our world-class data and AI infrastructure platform enables customers to leverage deep data insights for business enhancement. Founded by engineers with a customer-centric approach, we embrace every opportunity to address technical challenges, from crafting next-generation UI/UX for data interaction to scaling our services across millions of virtual machines. We are just getting started!As a Backend Software Engineer, you will collaborate with your team to develop infrastructure and products for the Databricks platform at scale.Your Impact:Our backend teams address various challenges across our vital service platforms. You may work on:Complex problems that bridge product and infrastructure, including distributed systems, large-scale service architecture, monitoring, workflow orchestration, and improving developer experience.Delivering reliable and high-performance services and client libraries for managing vast amounts of data on cloud storage solutions like AWS S3 and Azure Blob Store.Building dependable, scalable services using technologies such as Scala, Kubernetes, and data pipelines like Spark and Databricks, which power our pricing infrastructure handling millions of cluster hours daily, while developing features that empower customers to easily monitor and manage platform usage.