AI Developer (.NET/Azure AI Foundry)

Join Reaktor's Award-Winning Tech Community as an AI Developer!At Reaktor, we are on the lookout for innovative AI Developers to enhance our team in Amsterdam. If you excel in utilizing advanced AI technologies, crafting applications powered by large language models (LLMs), and steering projects through the complete software development lifecycle, we want to hear from you! Immerse yourself in our collaborative, low-hierarchy environment where your insights and creativity can lead to significant outcomes.Role OverviewAs an AI Developer, you will be a key player in a wide range of AI-focused software development tasks, encompassing everything from front-end design to production deployment.Your Responsibilities:Crafting and executing end-to-end applications powered by LLMs, including backend architecture and user interfaces, while ensuring both scalability and maintainability.Integrating commercial and open-source LLMs (such as OpenAI, Anthropic, Meta Llama) into production systems, employing APIs or fine-tuning methods.Developing end-to-end retrieval-augmented generation (RAG) pipelines, incorporating embeddings, vector databases (e.g., PostgreSQL with pgvector, ChromaDB, Pinecone), and effective prompt engineering strategies.Creating evaluation pipelines for model performance benchmarking and safety assurance.Collaborating with diverse teams to develop AI applications that tackle complex business challenges.Engaging with clients' technological and business teams to identify appropriate solutions tailored to their requirements.Providing exceptional technical expertise to both clients and team members.Conducting other software development tasks, including architectural contributions, test automation, and debugging.Candidate ProfileWe seek a curious and proactive AI Developer who is adept in working with LLMs and is comfortable navigating both the backend and frontend aspects of applications. A solid understanding of infrastructure and the principles behind transformer-based models is essential.

About LangChainAt LangChain, we are dedicated to making intelligent agents a cornerstone of modern technology. Our goal is to empower developers by providing the tools necessary to transition from initial prototypes to production-ready AI agents that teams can depend upon. Beginning as widely embraced open-source tools, we have expanded our offerings to include a robust platform for building, evaluating, deploying, and managing agents at scale.Our solutions, including LangChain, LangGraph, LangSmith, and Agent Builder, are trusted by teams developing real AI products across various sectors, from startups to Fortune 500 companies. Notable clients include Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, and Vanta, representing 35% of the Fortune 500.With a successful Series B funding round raising $125M from esteemed investors such as IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for significant growth. Every team member plays a critical role in shaping our products and company culture, making LangChain a dynamic environment for innovation and impact.About the RoleLocation: Amsterdam, NetherlandsCollaborate with pioneering companies to transform innovative ideas into production-ready applications in the realm of LLM.Engage in the development of a diverse range of LLM applications, including concierge search, code generation, and intelligent co-pilots.Deliver technical demonstrations showcasing the complete suite of LangChain's products.Facilitate training sessions and workshops focused on best practices for developer audiences.Work closely with the enterprise sales team to secure new deals.Collaborate with engineering teams to translate customer feedback into actionable product enhancements.Lead special projects that leverage our new products, both internally and externally.Success Factors in This RoleEngineers who are passionate about customer interactions and have aspirations of becoming future founders.Deployed engineers or solution architects with prior experience in developer-centric organizations.Candidates with an engineering background who thrive as trusted partners to clients.Individuals who are adept at finding innovative solutions and driving projects to success.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to creating the most powerful and effective developer tools available. By automating routine checks and corrections, our tools accelerate production processes, allowing developers to innovate and create freely.We are seeking a Research Engineer to take ownership of the training stack and model architecture for our Mellum LLM family. This role is challenging yet rewarding: your mission is to enhance the speed, cost-efficiency, and stability of large-scale training. You will profile, design, and implement modifications to the training pipeline, from architecture to custom GPU kernels as necessary.As a valuable member of our team, you will:Enhance end-to-end performance for multi-node LLM pre-training and post-training pipelines.Identify performance bottlenecks using tools like Nsight Systems/Compute and resolve them through compute/communication overlap, kernel fusion, scheduling, etc.Design and assess architectural choices, including depth/width, attention variants such as GQA/MQA/MLA/Flash-style, RoPE scaling/NTK, and MoE routing/load-balancing.Develop custom operations with Triton and/or CUDA, integrate with PyTorch extensions, and contribute upstream when feasible.Maximize memory/performance enhancements using FSDP/ZeRO, activation checkpointing, FP8/TE, tensor/pipeline/sequence/expert parallelism, and NCCL tuning.Ensure robustness in large-scale runs by constructing elastic and fault-tolerant training setups, strengthening checkpointing, enhancing reproducibility, and improving resistance to preemption.Maintain a fast data path through streaming and sharded data loaders as well as tokenizer pipelines, while improving overall throughput and cache efficiency.Establish appropriate metrics, create dashboards, and consistently drive improvements.Efficiently run both pre-training and post-training processes (including SFT, RLHF, and GRPO-style methods) across substantial clusters.We’re excited to welcome you on board if you possess:Expertise in PyTorch and PyTorch Distributed, with experience running multi-node jobs using dozens to hundreds of GPUs.Hands-on experience with Megatron-LM/Megatron-Core/NeMo, DeepSpeed, or substantial FSDP/ZeRO knowledge.Strong profiling skills (Nsight Systems/Compute, nvprof) and familiarity with NVTX-instrumented workflows.Proficiency in GPU programming with Triton and/or CUDA, including the ability to write, test, and debug kernels.A solid grasp of NCCL collectives, as well as topology and fabric effects (IB/RoCE), and their implications in performance traces.

Established in 2015, Shield AI is a pioneering venture-backed deep-tech firm dedicated to safeguarding service members and civilians through innovative intelligent systems. Our cutting-edge products include the V-BAT and X-BAT aircraft, as well as the Hivemind Enterprise and Hivemind Vision product lines. With a global presence across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology plays a vital role in supporting operations worldwide. Explore more about us at www.shield.ai. Connect with Shield AI on LinkedIn, X, Instagram, and YouTube. As a Senior Software Engineer specializing in Autonomy Applications, you will leverage your technical expertise to assist clients during the deployment and utilization of Shield AI's enterprise software solutions. This role requires close collaboration with customers to comprehend their needs and ensure the effective integration of AI and Autonomy developments into their operations.

Join our innovative team at Devoteam as a Microsoft Agentic AI Developer. In this pivotal role, you will leverage your expertise in artificial intelligence to develop cutting-edge solutions that enhance user experience and drive business efficiency. Your contributions will directly influence our clients’ success by delivering high-quality AI applications that meet market demands.

Founded in 2015, Shield AI is a pioneering deep-tech enterprise dedicated to safeguarding both service members and civilians through the deployment of advanced intelligent systems. Our innovative product lines comprise the V-BAT and X-BAT aircraft, Hivemind Enterprise, and Hivemind Vision, all designed to enhance operational effectiveness globally. With a presence in multiple regions including the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's cutting-edge technology is actively utilized in operations across the globe. For further details, please visit our website at www.shield.ai. Connect with us on LinkedIn, X, Instagram, and YouTube. As a Staff Engineer for Software Autonomy Applications, you will leverage your technical expertise to provide exceptional support and guidance to customers during the implementation and use of Shield AI's enterprise software solutions. This role demands close collaboration with clients to fully comprehend their requirements, ensuring successful integration of our AI and autonomy technologies.

In an era of unprecedented innovation, CM.com stands out as a leader in shaping the future. We envision a world where every interaction is seamless and effortless. Our mission is to realize this vision by integrating AI into every aspect of our operations.From the SMS and WhatsApp communications you receive to the tickets for your favorite events and the chatbots that provide solutions, our suite of services is revolutionizing the way businesses engage with people. Our unique structure comprises four business units: Connect, Pay, Live & Engage.Since our inception in 1999, we have adhered to a simple philosophy: “Do what you love, excel at it, and contribute positively.”We invite you to send an open application expressing your interest in joining CM.com. Share with us your reasons for wanting to be part of our team and describe what your ideal role would look like.

About UsTebi is revolutionizing the hospitality industry with our innovative Connected Restaurant Management System designed to optimize service efficiency. Our platform seamlessly integrates sales, reservations, kitchen preparation, payments, and insightful analytics into a single user-friendly interface.Founded by Arnout Schuijff, co-founder of Adyen, and supported by €50 million in funding from leading investors like Index Ventures and CapitalG, Tebi is committed to enhancing the hospitality experience. Our solution is trusted by thousands of restaurants, cafés, bars, and coffee shops across the Netherlands, the UK, and beyond.About the RoleWe are seeking a skilled Senior Application Engineer to enhance the core experience for numerous restaurant teams. This senior-level position emphasizes the development of high-performance applications across mobile platforms.Your responsibilities will include leading the development of cross-platform features, collaborating closely with design and product teams, and contributing to backend components as necessary. A strong product mindset, a passion for developer experience, and a commitment to building better software more efficiently are essential for this role.This position is perfect for candidates with a proven track record in delivering real-world applications, eager to make impactful technical decisions within a dynamic team.ResponsibilitiesDevelop and maintain our app architecture for both Android and iOS platforms.Design and implement shared business logic and client-side code, as well as platform-specific UI components where necessary.Collaborate with designers, product managers, and fellow engineers to create intuitive and engaging product experiences.Contribute to backend services to ensure smooth integration and performance across all components.Continuously enhance build tooling, developer experience, and code quality.Play a pivotal role in shaping Tebi's expansion into new markets, languages, and user demographics.What You’ll Need8+ years of software engineering experience, with a strong focus on mobile application development.Extensive experience in building and deploying Android applications; familiarity with iOS and cross-platform development methodologies.Proficiency in Kotlin.Ability to take ownership of architectural decisions and effectively collaborate with cross-functional teams to deploy features.Passion for software development and a commitment to quality and efficiency.

This position is open to candidates of all nationalities who possess the legal right to work in the Netherlands. Please be aware that we cannot provide sponsorship.Why This Role Is ImportantAs an AI Developer at Laterite, you will be a vital member of our Analytics team. Your responsibilities will include the design and execution of AI-driven applications and software solutions aimed at creating a positive social impact. Projects may involve the creation and integration of knowledge graphs using Retrieval-Augmented Generation (RAG), the implementation of generative data augmentation through large language model (LLM) pipelines, the construction of models utilizing Google Earth Engine, and the development of AI models for automated analysis of quantitative and qualitative data to improve decision-making in socio-economic development.A significant aspect of Laterite's mission is working with survey and geospatial data. You will harness this data to construct AI models and embed them into user-friendly applications, enhancing the accuracy and efficacy of our research outputs. Additionally, you will focus on innovative, client-centered AI solutions within the international development sector.About LateriteLaterite is a leading data, research, and analytics firm dedicated to helping clients navigate and analyze complex challenges in international development. We specialize in delivering high-quality research services with a focus on five key sectors: education, public health, agriculture, youth & livelihoods, and urbanization & migration. Our expertise includes tested data collection systems, a skilled research and analytics team, and a deep understanding of local contexts. This unique combination empowers us to conduct comprehensive research projects from design through data collection and analysis.We collaborate with universities, think tanks, international NGOs, multilateral donor organizations, foundations, and government ministries and agencies. Our network of offices spans the Netherlands, Rwanda, Ethiopia, Kenya, Uganda, Tanzania, Sierra Leone, and Peru. Our diverse team comprises over 90 full-time local and international staff and 1,500 enumerators in various countries, fostering a vibrant and inclusive work environment.To learn more about Laterite, visit our website: www.laterite.com.Project OpportunitiesYou may engage in a variety of exciting projects, including:Developing intelligent knowledge hubs to create chatbots for social impact data. This includes improving data retrieval processes by integrating automated data curation pipelines with knowledge graphs, RAG, and LLM agents, as well as curating unstructured data and establishing relationships within knowledge graphs.

Role overview Speechify seeks a Senior Software Engineer specializing in Windows and desktop applications. This role involves designing and building software aimed at improving accessibility and enhancing the user experience. What you will do Develop and enhance desktop applications for the Windows operating system Collaborate with design, product, and engineering teams to deliver new features and updates Maintain high standards for software quality and usability Location This position is located in Amsterdam, Netherlands.

At JetBrains, we are driven by our passion for coding. Since our inception in 2000, we have been dedicated to developing the most powerful and effective tools for developers worldwide. Our innovative solutions automate routine checks and corrections, accelerating the production process and empowering developers to innovate and create.Currently, we are in the process of building advanced services and intelligent tools designed to provide both AI coding agents and end users with profound insights into codebases. Our existing code retrieval service has already demonstrated significant enhancements in agent performance and task execution. We are eager to advance this further by extracting more comprehensive insights beyond mere snippets, across numerous repositories.We seek a talented AI Engineer to design and implement intelligent tools from the ground up, ensuring that coding with agents becomes smarter, quicker, and more dependable.

Is your dream job not listed? Submit your application for this open position. If we identify a potential match, we will include you in our talent pool. When a suitable role becomes available, we will reach out to you.Looking for an internship?We frequently receive inquiries from enthusiastic individuals seeking internship opportunities, which we greatly appreciate. Our internship vacancies are posted on our website biannually: in spring for internships starting in September, and in October for those commencing in February. Please note that applications for internships through this vacancy will not be processed. Keep an eye on our works-with-us website to stay updated on our current internship openings.RequirementsWorking at Kabouterhuis means being part of an environment where everyone is united by a common purpose: supporting young children and their parents. Infants, toddlers, and preschoolers are incredibly vulnerable, and every step in their development matters.Our teams are passionate, multidisciplinary, and always stand by each other and the parents. Collaboration is not just a slogan here but a daily practice that fosters long-term commitment from our staff. You'll join a warm, engaged group of professionals where equality is the norm, and you can always rely on your colleagues.The Target Group - What Makes Our Work Meaningful!We are dedicated to the very young child. You will work with families experiencing significant challenges, where vulnerability is pronounced. Together with various disciplines, you will piece together the whole picture: What are the true needs of this young child and their immediate environment? This makes the work both challenging and deeply meaningful.To ensure we continue to learn and grow together, we operate according to the Infant Mental Health (IMH) principle. We always view the young child in the context of their upbringing: the relationship with parents, their network, and the environment. This requires a systemic perspective, an open attitude, and extensive knowledge of development, attachment, and regulation.Are you ready to make a difference for young children together?

About Our TeamAs the Senior Manager of Application Security at Miro, you will spearhead a global team dedicated to integrating robust security measures throughout Miro’s Software Development Lifecycle (SDLC). Your team will collaborate closely with product and engineering teams to effectively mitigate risks while fostering developer innovation and speed. This role emphasizes the importance of secure-by-default development practices via secure design assistance, automated tools, vulnerability management, and proactive developer engagement. You will play a pivotal role in intertwining security with Miro’s holistic product lifecycle—Discover, Define, Deliver—while adhering to our AMPED Ways of Working (Analytics, Marketing, Product, Engineering, Design) and AMPED Operating Model. As Miro embraces the future of AI-enhanced software development, your leadership will be essential in adapting to and securing these new workflows, balancing innovation with trust.About the RoleIn this influential role, you will define and execute Miro’s application security strategy, aligning it with our top-tier software development lifecycle and AMPED framework. You will lead a talented multidisciplinary team of application security engineers and offensive security experts who collaborate directly with developers, product teams, and platform engineering across various regions. Your focus will encompass embedding security at every stage of the product lifecycle—from initial discovery and architectural threat modeling to design reviews, secure delivery pipelines, and ongoing post-release monitoring and testing. Additionally, your team will support Miro’s AI-driven development tools and facilitate the secure adoption of innovative Agentic AI workflows, ensuring seamless collaboration between developers and security teams.This position demands a pragmatic, hands-on leader who excels in dynamic environments and possesses extensive knowledge of both software engineering and security. A passion for empowering teams to develop securely and autonomously is crucial for success in this role.Key ResponsibilitiesLead and mentor a globally distributed team of security engineers specializing in application security, offensive testing, secure architecture, and vulnerability remediation.Coordinate team initiatives while providing project management guidance to team members.Oversee cross-functional and cross-stream projects and initiatives.Drive the integration of security into Miro’s product lifecycle and support the secure adoption of innovative development methodologies.

Join the Global Leader in Language Services and Technology!As a Business Development Manager within our AI Solutions group (DataForce), you will spearhead the creation of new business relationships and serve as a strategic partner for our customers. DataForce is a dynamic and expanding service that provides high-quality data for Human-Machine Interaction to renowned technology firms worldwide. Our focus is on collecting, enhancing, and processing training data for Machine Learning across various AI domains.DataForce is a proud member of the TransPerfect family, the largest provider of language and technology solutions for global enterprises, with offices in over 100 cities around the globe. We are actively recruiting talented individuals from all over the world.Key Responsibilities:Identify potential clients in targeted markets and conduct thorough research on their business and technical needs.Qualify and quantify opportunities to drive business growth.Manage the sales process from lead generation to closure, ensuring customer satisfaction throughout.Develop and implement strategic business plans.Gain deep insights into client business and technical requirements.Become a subject matter expert on our products and services while staying updated on industry trends.Utilize TransPerfect’s CRM system to track business opportunities.Coordinate with production and technology teams across diverse time zones and cultures.Generate and oversee high-value profitable business deals.Monitor, track, and manage KPIs, providing internal and client-facing status reports.Participate in tradeshows, contributing to marketing efforts through case studies and social media.Provide accurate weekly forecasts and daily updates.Assist in budget planning and adherence, ensuring the financial health of client engagements.Manage stakeholder communications regarding business accounts.Support the training and adoption of technologies and services for both internal and client teams.

Join Auto1, a leading platform in the automotive industry, where innovation meets opportunity. We invite motivated individuals to submit their spontaneous applications. This is your chance to be a part of a dynamic team that values creativity and initiative.

Bit is hiring a part-time AI Development Intern (Student Position) to join the Prototype team in Amsterdam. This position suits students in AI, Data Science, or related fields who want hands-on experience with emerging technologies and real client projects. Role overview Work closely with the Research & Prototype team to develop and improve prototypes for clients. Use technologies in AI, Machine Learning, Robotics, and Augmented Reality. Help move research into usable, innovative prototypes for client use. Translate technical concepts for non-technical stakeholders. Discuss how technical choices affect project results. Requirements Currently enrolled as a student in AI, Data Science, or a similar discipline. Curious about new technology and interested in how large organizations evolve. Energetic, proactive, and sociable, with a willingness to share ideas and inspire teammates. Enjoys learning quickly and engaging directly with clients. Comfortable explaining technical topics to those without a technical background. Why work at Bit Gain experience at a growing tech company while still studying. Be part of a young team (average age 25) with colleagues from Amsterdam and Delft. Take on challenging projects for major companies, supporting your learning and growth. Play a part in developing tomorrow’s technology. Getting started The internship can begin immediately, but a later start date is possible. Training and onboarding are provided by the Prototype team and the wider Bit team. This role is based at the Amsterdam office.

Join Elements, a rapidly growing digital agency, as we expand our horizons in Amsterdam! We are searching for a skilled React Native Developer who possesses a solid foundation in iOS development, to collaborate on mobile applications that millions trust. Your main responsibility will be to develop in React Native, but your iOS experience will be a significant advantage as we work on both native and cross-platform projects.ABOUT ELEMENTSWith nearly 30 years of expertise in crafting mission-critical mobile applications for top-tier companies, Elements is not just about coding. We create a harmonious blend of technology, talent, and processes that lead to substantial business outcomes. Our evolution transcends traditional development; we merge robust Software Engineering principles with innovative AI-driven workflows and cutting-edge tools to tackle complex business challenges, allowing us to build faster, smarter, and with exceptional quality.Our diverse team of over 30 engineers from more than 10 nationalities collaborates on ambitious projects from our offices in Amsterdam and Barcelona. We value a culture centered on Excellence, Collaboration, and Impact.Explore our portfolio of work here.YOUR ROLEAs a React Native Developer, you will work closely with your team on the creation of innovative mobile applications. You will engage with colleagues to estimate tasks, define architecture, and structure projects. Embracing our operational methodologies, you will also propose enhancements to optimize our processes. Your curiosity will drive you to stay updated on the latest technological trends, and you will share your insights with the team.With our increasing focus on mobile applications for both existing and new projects, this position offers an exciting opportunity to apply your talents across a variety of innovative platforms.In a fast-paced industry, especially during the AI revolution, we view technological evolution as an opportunity for growth. You will have the freedom to experiment with different tech stacks, ensuring our solutions are always at the forefront of innovation. Whether it means adopting a new framework or delving into a new programming language, your eagerness to learn and adapt will be crucial to both our projects and your career trajectory.

Open ApplicationAre you interested in joining our team at Hezelburcht, but don’t see a suitable vacancy available? We are always eager to connect with motivated individuals who can contribute to our mission. Please submit your details along with your CV and cover letter. We look forward to the possibility of meeting you soon!

Your Opportunity:At Mollie, we are dedicated to revolutionizing payments and financial management for businesses across Europe. With over 350,000 clients relying on us, we strive to eliminate the financial hurdles that stifle innovation and growth. Our ethos is centered around making payment acceptance, revenue generation, capital access, and financial management seamless for all merchants.As a Senior Application Engineer, you will play a crucial role in designing and developing cutting-edge financial products that will redefine how businesses handle their finances. As we expand into new markets and increase transaction volumes, Mollie is excited to offer innovative products that enhance our service offerings. You will have the chance to transform your ideas into reality and make significant contributions to projects that matter. Our solutions, such as Mollie Capital for easy financing access and In-person payments for retail transactions, are just the beginning of our quest to provide a comprehensive payment solution and financial management platform.