Flutter Engineer - Shape the Future of AI Learning

JOIN US IN TRANSFORMING EDUCATIONAt knowunity, we are pioneering a new era of learning. Our vision is to ensure that every student worldwide can access and thrive through exceptional educational resources. We are committed to establishing the first AI learning unicorn, revolutionizing personalized education.With millions of users already benefiting from our …

Join enpal as a Senior Flutter Engineer, where you will play a pivotal role in developing innovative mobile applications that enhance user experience. Collaborate with cross-functional teams to design, build, and maintain high-performance applications, ensuring seamless integration with backend services.

TransPerfect, a prominent player in the industry with a vibrant start-up atmosphere, is on the lookout for innovative and entrepreneurial individuals to join our dynamic team. We are currently seeking a Mobile Engineer to contribute to our global efforts in delivering exceptional user experiences across both iOS and Android platforms. This full-time hybrid position requires a blend of independent initiative and collaborative teamwork within a high-impact environment, dedicated to developing cutting-edge products.As part of our team, you will be responsible for building high-quality mobile applications using Flutter, and designing new components from the ground up that enhance our user engagement.About the TechOps Team at TransPerfect:The TechOps team at TransPerfect has played a crucial role in our success over the past decade, providing technology and services that significantly streamline our clients' and colleagues' experiences. From enhancing workflows for our team to developing fundamental services for our GlobalLink platform, the team is dedicated to creating scalable user interfaces that simplify complex ecosystems for novice users.Your responsibilities will include:Acting as a subject matter expert on mobile app development, defining best practices for mobile development, design thinking, and deployment processes.Collaborating with product managers, engineers, designers, and QA to create compelling user experiences on both iOS and Android platforms.Taking ownership of major mobile app features, components, and overall application solutions in collaboration with technical leads and senior engineers.Working in an agile environment, managing internal and external requirements and expectations effectively.Providing constructive feedback throughout the software development lifecycle to align development priorities with business objectives.Writing clean, efficient, and maintainable code adhering to industry best practices and coding standards.Keeping abreast of the latest trends, technologies, and best practices in mobile development.

About UsHelsing is a cutting-edge AI company dedicated to advancing defense technologies. Our mission is to safeguard democratic values and ensure that societies can make autonomous decisions while upholding ethical standards. We are committed to responsible technology development and deployment, particularly in the realm of AI.Our team comprises driven engineers, AI experts, and client-facing program managers united by a common purpose: tackling the most challenging and significant problems. We foster a culture of transparency and encourage open discussions surrounding the ethical implications of technology in defense.The PositionAs an AI Research Engineer at Helsing, you will be at the forefront of innovating autonomous decision-making systems for defense. Your work will encompass a wide range of AI applications, including extensive data processing, reinforcement learning agent training, and the development of large-scale foundational models. Collaborating within a diverse team, your responsibilities will include architecting and implementing robust tools and platforms that drive these advancements. You will focus on abstracting complex distributed systems to enhance training efficiency and developer productivity. We seek engineers who can effectively blend machine learning with systems engineering to create scalable solutions.Key Responsibilities:Enhance our integrated deep learning frameworks, built on PyTorch, to make them efficient and user-friendly across various applications.Expand our infrastructure and tooling to facilitate faster and larger-scale distributed training.Devise data strategies to manage extensive datasets effectively.

About UsHelsing is pioneering the integration of artificial intelligence in defense systems. Our core mission is to safeguard democratic values by providing technological advancements that empower societies to make autonomous decisions and uphold ethical standards.As advocates for democracy, we recognize our unique responsibility to approach the development and implementation of transformative technologies like AI with care and foresight. We are committed to this principle.Our dedicated team comprises engineers, AI specialists, and customer-focused program managers. We seek individuals driven by purpose to join our European teams and leverage their expertise to tackle some of the most intricate and significant challenges. Our culture promotes openness and transparency, encouraging thoughtful discussions on the implications of technology in defense, its advantages, and ethical considerations.The RoleAt Helsing, we are at the forefront of delivering AI-driven capabilities and the supporting infrastructure necessary for semi-autonomous platforms to localize, navigate, and interpret their environment in real-time. You will play a pivotal role in shaping the future of AI within one of the most demanding sectors, where performance must be matched with exceptional generalization capabilities and resilience against adversarial challenges.You will be responsible for developing the autonomous 'brain' for an advanced aerial platform that will actually take flight. Your work will involve integrating state-of-the-art reinforcement learning algorithms into the operational systems of our Unmanned Combat Aerial Vehicle (UCAV), contributing to a transformative military technology.

Delivery Hero is looking for a Senior Python AI Engineer to focus on logistics, data, and machine learning projects in Berlin. This position centers on developing AI-powered tools that support and improve delivery operations. Role overview This role involves designing and building applications using Python, with a strong emphasis on artificial intelligence and data science. The main goal is to create solutions that make logistics processes more efficient and help raise customer satisfaction. What you will do Develop and maintain AI-driven applications tailored for logistics challenges Apply machine learning techniques to optimize delivery workflows Work closely with teams to identify and solve data-related problems Requirements Extensive experience with Python Background in artificial intelligence, data science, and machine learning Ability to build solutions that improve operational efficiency

About Our ClientFounded in Canada in 2015, our client has rapidly expanded to encompass a global portfolio of over 118 companies. They specialize in acquiring and developing vertical market software firms, empowering each business to deliver top-notch mission-critical solutions tailored to their industry's needs. A cornerstone of our client's philosophy is to invest in well-established enterprises while cultivating an entrepreneurial atmosphere that transforms these companies into industry leaders. Their strategic approach focuses on building long-term partnerships with existing management to create and enhance value.About the RoleAs the AI Engineering Lead, you will assume a pivotal leadership role in defining and executing the company's AI strategy. You will be responsible for the practical integration of AI across our client's engineering framework, enhancing internal development and testing processes to improve efficiency and quality. Additionally, you will oversee the development of AI-driven product features that provide tangible benefits to users. In this position, you will ensure alignment between engineering, product management, and data science teams, translating innovative ideas into actionable solutions and guiding teams to unlock their full potential through effective AI integration.Key Responsibilities AI Strategy & Vision: Develop a comprehensive AI roadmap that aligns with business objectives; identify opportunities for AI/ML applications in internal workflows (e.g., code generation, automated testing, monitoring); collaborate with product leadership to design and implement AI-enhanced product features. AI Integration into Engineering Practice: Spearhead the deployment of AI tools within the Software Development Life Cycle (SDLC) (e.g., GitHub Copilot, CodeWhisperer, Tabnine); automate unit testing, static code analysis, and regression testing leveraging AI; guide the application of AI in CI/CD pipelines for improved monitoring, alerting, and predictive operations. AI Product Development: Design and oversee the creation of AI/ML models and AI-enhanced product features; ensure adherence to best practices in AI/ML, including model training, data governance, validation, and ethics; select and manage the necessary infrastructure (e.g., cloud GPU/TPU, model operations platforms like MLflow or Vertex AI). Team Leadership & Cross-Function Collaboration: Lead a team of AI engineers, data scientists, and MLOps personnel; collaborate with product, design, and stakeholders to ensure AI features align with user value; mentor engineering teams on responsible AI usage, prompt engineering, and model comprehension. Governance & Compliance: Establish standards for responsible and explainable AI; ensure compliance with regulatory and ethical guidelines (e.g., GDPR, fairness, transparency); monitor model performance to prevent drift or unintended behaviors.

Join Perplexity as a skilled Machine Learning Research Engineer, where you will play a pivotal role in developing cutting-edge search technologies focusing on retrieval and ranking mechanisms.Key Responsibilities:Proactively enhance search quality through innovative models, data strategies, tools, and other effective means.Design and construct essential components of our advanced search platform and model architecture.Create, train, and fine-tune large-scale deep learning models utilizing frameworks like PyTorch, with an emphasis on distributed training and hardware acceleration for retrieval and ranking.Engage in advanced research on representation learning, including contrastive learning and multilingual, multimodal modeling tailored for search and retrieval applications.Implement and deploy models effectively, ranging from boosting algorithms to large language models, ensuring scalability and performance.Develop and optimize Retrieval-Augmented Generation (RAG) pipelines for accurate grounding and answer generation.Collaborate across Data, AI, Infrastructure, and Product teams to ensure swift and high-quality project delivery.

About the Role Join bluefishai as a Senior AI Engineer and take the lead in developing cutting-edge LLM-powered products that redefine marketing and advertising technologies. Your expertise in machine learning, large language models, and natural language processing will be crucial as you design, implement, and enhance our suite of AI-driven solutions. In this pivotal role, you will oversee the LLM technology stack that is central to our product offerings. Collaborate with cross-functional teams, including application engineers, product managers, and designers, to create innovative solutions that yield significant business results. This position offers a unique opportunity to influence the future of AI-driven technologies and contribute to impactful real-world applications. While this role is associated with our Berlin office, we support hybrid or fully remote work arrangements for candidates located within Germany.

About the RoleAs a Staff AI Engineer at bluefishai, you'll take on a pivotal role as a technical leader for our cutting-edge LLM-powered products, which are at the forefront of marketing and advertising technologies. You will be responsible for making essential architectural decisions, establishing quality benchmarks, and spearheading multi-team initiatives that yield measurable results.Your responsibilities will include leading the vision and execution of our data platform and LLM-integrated products. You will oversee significant architectural decisions concerning data pipelines, model integration, deployment, and evaluations, transforming high-level business and product requirements into reliable, scalable data solutions that deliver impactful outcomes for our Fortune 500 clients. This role encompasses both data backend and machine learning engineering, ensuring the reliability and cost-effectiveness of our pipelines while enhancing the performance of LLM-enabled features. Furthermore, you will elevate data literacy across the department through effective collaboration and craftsmanship.You will be accountable for the health, cost, and growth of key data products and platforms, partnering closely with full-stack engineers, product managers, design teams, and DevOps to produce outcomes that our customers can confidently rely on.This position offers an exciting opportunity to influence the future of AI-driven technologies and make significant contributions to tangible applications.While this role is associated with our Berlin location, we offer flexibility for remote work within Germany.

About UsAt reliant-ai, we are dedicated to transforming decision-making in an age of overwhelming information. Our mission is to develop the next generation of machine learning software, leveraging generative AI to analyze critical data sources and deliver comprehensive, factual answers to complex inquiries.We believe that the true potential of generative AI can only be achieved by tackling the world's most significant information challenges. With over two decades of expertise in reinforcement learning and natural language processing, we are poised to make a substantial impact in this field.Our team consists of scientists, builders, and entrepreneurs who have pioneered some of the most influential AI applications. Having led teams at industry giants like Google, DeepMind, and EY Parthenon, we now connect cutting-edge AI research with the biopharma sector.

Join idealo’s innovative AI Booster Team, where we drive the integration of generative AI technology across the organization. Collaborate closely with product teams to create reusable AI workflows and promote industry best practices. In this role, you will be pivotal in designing and deploying scalable LLM systems and agentic workflows, transforming concepts into rapid production rollouts.About Your New RoleWork together with cross-functional teams to conceptualize, prototype, and launch LLM-driven features within weeks.Design and implement sophisticated LLM workflows and agentic systems, including multi-agent orchestration and execution flows.Assess and choose appropriate models and inference infrastructures for tasks, balancing considerations of cost, latency, quality, and safety.Create reusable AI components (e.g., advanced RAG pipelines, evaluation frameworks, model adapters) that can be scaled across various products and teams.Promote automated evaluations, human-in-the-loop assessments, and continuous feedback loops to maintain quality, reliability, and cost efficiency.Act as a technical mentor by conducting office hours, reviews, and workshops to elevate GenAI skills throughout idealo.

At Machine Learning Reply, we empower businesses to transform cutting-edge AI technologies into practical applications and scalable digital products.We are seeking a passionate Junior AI Application Engineer to join our team, dedicated to developing AI-powered solutions and intelligent product features utilizing modern Machine Learning and Generative AI technologies.While our GenAI Engineers focus on model development and AI architectures, AI Application Engineers concentrate on crafting user-centric AI applications and translating AI capabilities into scalable products.In this role, you will collaborate across AI Engineering, Backend Development, Product Development, and Cloud Deployment to build production-ready AI systems that deliver tangible business value.ResponsibilitiesAs a Junior AI Application Engineer, you will design and develop AI-driven applications and product features for enterprise clients. Your responsibilities will include:Conceptualizing and developing AI applications such as enterprise assistants, copilots, semantic search platforms, and automation systems.Assisting in the development of LLM-based solutions (including RAG) and end-to-end AI products by integrating APIs, enterprise data, and backend services.Building scalable AI microservices, APIs, and vector search, embedding, and retrieval systems.Rapidly prototyping AI features and evolving them into production systems.Collaborating closely with product managers, designers, AI engineers, and clients to develop impactful solutions.Deploying AI systems in cloud and production environments using modern DevOps practices.Ensuring reliability, scalability, and observability through CI/CD, monitoring, and containerized deployments.BenefitsHYBRID WORKINGCOMPANY EVENTSEXPERT NETWORKCERTIFICATIONSRegular and systematic (external and internal) training opportunities in Generative AI, LLM development, Cloud architecture, and Data Science.Work in an open, flat environment, within a broad Reply network for knowledge exchange.

Legal teams often find themselves overwhelmed by monotonous tasks, causing delays across the organization. At Flank, we are revolutionizing this scenario.We operate at the forefront of AI innovation, developing the next generation of autonomous agents tailored for enterprises. We have successfully secured a $10M Series A funding round led by Insight Partners (US), with ongoing support from Gradient Ventures (Google’s AI fund), HV Capital, and Speedinvest (EU).Our solution is not merely an optional tool for small startups; we are actively deploying Flank agents within multinational corporations exceeding 100,000 employees, fully automating workflows that were previously deemed unsolvable. Our agents function continuously, under defined parameters with customer oversight, escalating only exceptions to legal for evaluation. Every action and request is transparent and auditable, assuring customers complete visibility over their automated workforce.We are on the lookout for a skilled AI Engineer to spearhead our applied AI projects.In our dynamic startup environment, you will collaborate closely with product, design, and commercial teams to deliver tangible AI solutions — moving beyond mere research experiments.Your responsibilities will include harnessing emerging technologies alongside a team of legal experts to enhance the intelligence and autonomy of our agents.This role may involve the creation of an evaluation framework in partnership with our legal team, or developing a hypervisor that governs each aspect of our agentic system, ensuring alignment with best practices in legal AI systems.

Why Join NebiusNebius is at the forefront of cloud computing, empowering the global AI economy. We provide our clients with essential tools and resources to tackle real-world challenges and revolutionize industries without incurring hefty infrastructure costs or needing to develop extensive in-house AI/ML teams. Our team operates at the cutting edge of AI cloud infrastructure, collaborating with some of the most experienced and innovative leaders and engineers in the industry.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a worldwide presence with R&D centers across Europe, North America, and Israel. Our diverse team of over 1,400 employees includes more than 400 highly skilled engineers with deep expertise in both hardware and software engineering, complemented by an in-house AI R&D team.About the RoleAs part of Nebius Cloud, which operates one of the largest GPU clouds globally—utilizing tens of thousands of GPUs—Token Factory is dedicated to building a high-performance inference and fine-tuning platform that pushes foundational models to their hardware limits. Our commitment is to enhance throughput, reduce latency, and optimize cost-per-token across our expansive GPU resources.Current Projects You Could Contribute To:Inference Optimization: Identify bottlenecks in LLM inference to accelerate production speed. Maximize performance for a variety of LLM architectures at scale (e.g., GPT-OSS, Kimi K2.5, DeepSeek V3.1/V3.2, GLM-5).Inference Engine Support: Implement innovative speculative decoding architectures, optimize components of different LLM designs (dense/MoE, autoregressive/parallel), and contribute to open-source inference engines.Low Precision Training & Inference: Design and operationalize low-precision training (FP8, NVFP4/MXFP4) and inference pipelines to achieve significant improvements in throughput and cost efficiency.

Join Machine Learning Reply, a leader in transforming advanced AI technology into practical, scalable solutions for organizations. We are searching for an enthusiastic AI Application Engineer to help create AI-driven applications and intelligent features leveraging cutting-edge machine learning and generative AI technologies.As part of our innovative team, you'll focus on developing user-centric AI applications, translating AI capabilities into market-ready products.This role positions you at the nexus of AI engineering, backend development, product design, and cloud deployment, crafting production-ready AI systems that deliver significant business impact.Key Responsibilities:Design and develop AI-powered applications for enterprise clients, including digital assistants, AI copilots, semantic search systems, and intelligent automation solutions.Create applications powered by LLM and Retrieval-Augmented Generation (RAG) using the latest AI frameworks.Develop comprehensive AI products that integrate LLM APIs with enterprise data sources and backend services.Architect scalable AI microservices and APIs to embed AI functionalities into enterprise platforms.Implement vector search, embeddings pipelines, and knowledge retrieval systems.Rapidly prototype AI features and proofs-of-concept, transitioning them to production-grade systems.Collaborate with product managers, designers, AI engineers, and enterprise clients to create impactful AI solutions.Deploy AI systems on cloud platforms following modern DevOps practices.Ensure reliable, scalable, and observable AI services through CI/CD pipelines, monitoring, and containerized deployments.What We Offer:An open and collaborative environment within the global Reply network, allowing you to build next-generation AI applications.Interdisciplinary collaboration with teams comprising AI engineers, software developers, and data scientists across diverse industries such as Banking, Insurance, Automotive, and Retail.An active social program featuring paid training, conferences, communities of practice, hackathons, and Reply XChange.Monetary benefits including a mobility package, gym subsidies, insurance, and pension schemes.

Role Overview bluefishai is searching for a Senior Staff Applied AI Engineer based in Berlin or working remotely within Germany. This senior technical leader will shape how artificial intelligence is adopted and scaled across the company. The position focuses on driving AI projects that improve developer productivity, streamline workflows, and grow product capabilities. What You Will Do Lead AI-driven initiatives from concept to implementation, targeting real business outcomes. Work directly with the VP of Engineering and partner with engineering, product, and leadership teams to identify and prioritize impactful AI use cases. Establish structure, standards, and clear processes to help teams use AI effectively and sustainably. Integrate AI solutions into software development workflows to help teams deliver faster and more efficiently. Evaluate new and emerging technologies, including advanced AI capabilities, and advise on their practical application for both products and internal operations. Mentor engineers across teams, define best practices, and support the adoption of AI to drive measurable improvements. What Makes This Role Unique bluefishai is at the early stage of its AI journey, with multiple teams exploring different approaches. This role offers the chance to bring clarity, consistency, and vision, helping set the foundation for scalable AI use across the company. Success depends on strong collaboration, influencing stakeholders, and aligning teams around solutions that deliver real results.

Role Overview airapps is looking for an AI/ML Engineer to help design and build machine learning models. This role works closely with a skilled team focused on using technology to improve processes and outcomes. Location Berlin Metropolitan Area

Become a part of Voyfai, a rapidly expanding Series A startup redefining logistics and technology throughout Europe.Located in the vibrant city of Berlin, we are at the heart of a diverse portfolio of companies engaging across multiple European markets.This is an exceptional opportunity to take the reins from the outset, create significant impact, and develop your career in an agile, fast-moving atmosphere. Whether you’re optimizing processes, formulating strategies, or spearheading initiatives, your efforts will directly contribute to the success of Voyfai and the enterprises we empower. If you have a passion for building innovative solutions and wish to join a rising star, we encourage you to reach out!Your RoleAs a Senior AI Engineer at Voyfai, you will be instrumental in crafting, developing, and scaling LLM-driven and applied GenAI systems that enhance our main offerings. You will collaborate closely with Product, Engineering, and Business teams to convert complex, unstructured challenges into effective, production-ready AI solutions.This role is hands-on and focused on delivering tangible results. You will take full ownership from identifying use cases and designing prompts or models to deploying, monitoring, and continuously improving systems in production, with a strong emphasis on real-world reliability and business outcomes.Key Responsibilities:Design, develop, and implement LLM-driven and GenAI features for impactful, real-world applications.Build and manage end-to-end GenAI pipelines, encompassing prompt design, model selection or fine-tuning, evaluation, and deployment.Integrate foundational models into production systems, prioritizing latency, cost-efficiency, reliability, and quality.Collaborate with Product Managers and Engineers to convert vague business challenges into scalable AI solutions.Oversee production AI systems, including monitoring, evaluation, guardrails, and feedback mechanisms.Contribute to architectural choices regarding AI platforms, retrieval systems, vector databases, and LLMOps tooling.Elevate the technical standard through code quality, documentation, and mentorship.What You Bring:Several years of experience as an AI Engineer, Machine Learning Engineer, or in a related role, with a hands-on focus on LLMs and applied GenAI in operational environments.Strong grasp of LLM behavior, prompting techniques, evaluation strategies, and common failure modes.Proven track record of successfully implementing AI solutions that drive business value.

About UsHelsing is a pioneering defense AI company dedicated to safeguarding democracies. Our mission is to achieve technological leadership, ensuring that open societies can maintain sovereignty over their decisions and ethical standards.As advocates for democratic values, we recognize our profound responsibility in the thoughtful advancement and application of transformative technologies like AI. We take this commitment seriously.Our team consists of passionate engineers, AI specialists, and customer-oriented program managers. We are on the lookout for mission-driven individuals to join our European teams and leverage their skills to tackle the most complex and impactful challenges. We foster an open and transparent culture that encourages healthy discussions about the utilization of technology in defense, its advantages, and its ethical considerations.The RoleAt Helsing, we are revolutionizing perception by developing foundational intelligence for the physical world. You will engage in researching, designing, and training large-scale Foundational Models that convert intricate multimodal sensor data into innovative autonomous capabilities.We are in search of an individual who operates at the nexus of AI Research and Machine Learning Engineering, possessing a proven background in LLM/VLM (multimodal) architectures. Your core responsibility will involve training and fine-tuning Vision-Language Models using our proprietary datasets to enhance our diverse product offerings. You will oversee the entire model lifecycle, from data curation and training to evaluation.