LLM Engineer Jobs

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within the Consumer & Community Banking Marketing Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

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SpaceXAI is building Super Intelligence to help humanity understand the universe, from supercomputers to large language models and user-facing applications. As a Software Engineer on the Model Lifecycle and Signals team, you will be responsible for integrating frontier models into user-facing products at a massive scale. This role involves deciding which models to use, monitoring their performance, and providing feedback to shape future model development. You will work at the intersection of infrastructure, data, and product, bringing models from preview to production, analyzing real-world data, and collaborating with research, inference, product, and data science teams to improve both products and models. Your contributions will have a compounding impact across all products and shipped models.

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As an AI Senior Developer Manager within the Assurance practice, you will lead the development of innovative software solutions to drive digital transformation and enhance business performance. You will focus on designing, coding, and testing applications that revolutionize industries and deliver exceptional user experiences. This role involves motivating, developing, and inspiring your team, coaching members to leverage their strengths and meet client expectations. You will take ownership of projects, ensuring successful planning, budgeting, execution, and completion, while analyzing system interactions and encouraging skill development outside comfort zones. Embracing technology and innovation is key to enhancing delivery and identifying opportunities for the firm's success.

$99k - $252k

Cosine is developing autonomous software-engineering systems for organizations that prioritize reliability, security, and control. Our Lumen Enterprise models are designed to understand and modify real codebases, utilizing tools, running tests, and producing maintainable software. We are seeking a Machine Learning Engineer to enhance and train these models across the entire training stack, including pre-training, supervised fine-tuning, and reinforcement learning. This role offers exposure to all facets of the model training lifecycle, from performance profiling to implementing new RL algorithms, and requires a hands-on approach with a focus on software quality.

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We are seeking two dedicated AI Engineers to join our team in Graz. In this role, you will develop and integrate innovative applications, connecting AI technologies with software development, cloud and data platforms, and existing business processes. You will collaborate closely with business units, IT, data teams, and external partners to translate requirements into practical solutions and continuously improve them. The roles focus on either Data & AI Solutions (AI development, data integration/preparation, modern data platforms) or AI Solutions & Operations (development, integration, and reliable production operation of AI solutions).

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Cohere

Cohere is seeking a Member of Technical Staff to join our Post-Training Data Infrastructure team. In this role, you will be responsible for building and managing the critical data pipelines that generate post-training data for our large language models (LLMs). This includes data for SFT, preference, and RL post-training, as well as synthetic and human-annotated data. You will collaborate closely with researchers and annotation teams to ensure rapid iteration on data, enabling them to keep pace with model development. Your work will be instrumental in advancing the capabilities of our foundation AI models and delivering value to enterprise customers.

CA$295k - CA$535k

Wayve is building the leading AI platform for autonomous driving, pioneering an end-to-end AI approach that enables vehicles to learn directly from real-world experience. This role is on the AI Libraries team, which builds the foundations that enable Wayve's machine learning engineers and researchers to train, evaluate, and deploy models at scale. You will create high-quality platforms, tools, and reusable abstractions that support thousands of GPUs and accelerate the development of autonomous-driving technology. You will work closely with machine learning teams to understand their workflows and translate complex requirements into stable, scalable, and intuitive software. Your day-to-day will involve designing and writing Python, leading projects from discovery through delivery, improving engineering standards, and supporting users as they push the scale and performance of their models. You will build modular libraries for areas such as multimodal data loading, distributed training and inference, checkpointing, and observability, improving the reliability, performance, and developer experience of systems used across Wayve.

$276k - $311k

Black Forest Labs is building the foundational layer for visual intelligence, developing multimodal models trained on images, video, audio, and action. Our team pioneered latent diffusion and Stable Diffusion, making generative AI accessible. We are now pushing into generative media at scale and machines that act in the physical world. This role leads Product Research, bridging researchers and the market. You will analyze signals from evaluations, leaderboards, customers, and usage data to identify areas for model improvement and define the strategy for achieving them. You will work closely with Research, Backend, Product, and Go-to-Market teams.

$172k - $220k

Capital One Canada is seeking an AI Engineer Manager to join their Intelligent Foundations and Experiences (IFX) team. This role involves partnering with cross-functional teams to deliver AI-powered products that enhance both associate workflows and customer interactions. You will be responsible for the design, development, testing, deployment, and support of AI software components, including foundation model training, LLM inference, similarity search, guardrails, model evaluation, and governance. The position leverages a variety of Open Source and SaaS AI technologies and requires inventing and implementing state-of-the-art LLM optimization techniques to improve the performance of large-scale production AI systems. You will also contribute to the technical vision and long-term roadmap for foundational AI systems within the company.

$173k - $197k

Cohere

Cohere is seeking a Senior Full-Stack Engineer to join the Cohere Dashboard team. This role is crucial for shaping the user experience of Cohere's platform, which serves as the central hub for users to access models, manage API keys, and explore documentation. You will collaborate with a talented team to build a delightful, intuitive, and unified experience across all dashboard features, contributing to both front-end and back-end development. This is an opportunity to work on mission-critical systems and contribute to the future of large language models.

CA$230k - CA$295k

Capital One Canada is seeking a Principal Associate, AI Engineer to join their Intelligent Foundations and Experiences (IFX) team. This role involves partnering with cross-functional teams to deliver AI-powered products that enhance associate workflows and customer interactions. You will be responsible for designing, developing, testing, deploying, and supporting AI software components, including foundation model training, LLM inference, similarity search, guardrails, model evaluation, and governance. The position leverages a variety of Open Source and SaaS AI technologies and focuses on inventing and implementing state-of-the-art LLM optimization techniques to improve the performance of large-scale production AI systems. You will also contribute to the technical vision and long-term roadmap for foundational AI systems within the company.

$148k - $169k

NVIDIA is seeking a highly motivated Applied Deep Learning Algorithm Intern to join its autonomous driving team. This internship offers the opportunity to work with experienced engineers on cutting-edge learning-based driving algorithms. You will contribute to areas such as supervised fine-tuning, reinforcement learning, data optimization, model evaluation, and adapting models for various vehicle lines. This role is ideal for individuals passionate about groundbreaking technologies in AI and autonomous vehicles, looking to gain hands-on experience in a creative and forward-thinking environment.

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Databricks

The Foundation Model Inference team is the backbone of Databricks’ generative AI capabilities. We build the infrastructure that enables our customers to serve, scale, and optimize frontier models with enterprise-grade reliability and performance. Our Foundation Model APIs provide a unified platform that gives customers access to LLMs with the governance, flexibility, and scalability required for enterprise production workloads. We are looking for high-agency engineers who are excited to work on powering model inference at enterprise scale.

$190k - $265k

Tenstorrent is a leader in AI technology, focusing on performance, ease of use, and cost efficiency. We are building a high-performance RISC-V CPU and a comprehensive AI platform. Join our AI IP software team to help customers integrate AI workloads into products built on Tenstorrent technology. This role involves working directly with customers to integrate models, answer technical questions, and solve integration challenges across models, compilers, and runtime workflows. It's a hands-on software role with opportunities to learn and contribute to cutting-edge AI technology.

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Clara is a leading financial technology platform in Latin America, empowering over 50,000 businesses with corporate cards, bill payments, financing, and B2B payment solutions. Recognized as the region's fastest-growing company by the Financial Times in 2025, Clara is dedicated to enhancing business efficiency and regional competitiveness. This role offers an opportunity to start your career at full speed, shipping production code within weeks and owning features end-to-end. You will leverage AI across your workflow, from coding and debugging to research and automation, pushing the boundaries of how your team utilizes AI. The role involves working directly with Product, Design, and senior engineers, and requires a deep understanding of the B2B fintech domain in Latin America.

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Capital One is building responsible and reliable AI systems to transform banking. We are at the forefront of enterprises leveraging AI, using machine learning to create personalized customer experiences and bring humanity and simplicity to banking. Our Intelligent Foundations and Experiences (IFX) team is central to this vision, advancing the state of the art in AI science and engineering. We build and deploy proprietary solutions that deliver value to millions of customers and empower teams across Capital One with AI capabilities in responsible and scalable ways. You will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses.

$230k - $262k

Capital One is building responsible and reliable AI systems to transform banking. We leverage machine learning for personalized customer experiences and are investing in technology and talent to lead in enterprise AI adoption. Our AI applications bring humanity and simplicity to banking, from fraud detection to real-time customer support. We are committed to building world-class applied science and engineering teams to deliver breakthrough products and scalable AI infrastructure. The Intelligent Foundations and Experiences (IFX) team is central to this vision, advancing AI science and engineering and deploying proprietary solutions that deliver value to millions of customers. Our AI models and platforms empower teams across Capital One to enhance products responsibly and at scale.

$197k - $225k

Capital One is at the forefront of leveraging AI to create responsible and reliable AI systems that are transforming banking. The Intelligent Foundations and Experiences (IFX) team is central to this vision, building and deploying proprietary AI solutions that deliver value to millions of customers. This role will partner with cross-functional teams to deliver AI-powered products, oversee the design and development of AI software components, and make critical build-vs-buy decisions across a broad stack of AI technologies. You will invent and introduce state-of-the-art foundation model optimization techniques, contribute to the technical vision and roadmap of foundational AI systems, and attract and retain top talent in the AI industry. The role also involves scaling AI engineering practices, establishing enterprise standards for Responsible AI, and partnering with research and risk teams to ensure ethical and regulatory compliance.

$245k - $279k

Handshake AI works with frontier labs on their most consequential data, evaluation, and post-training challenges, building systems that turn expert human knowledge into data and evaluations to improve frontier models. Handshake Labs is developing external AI products, research platforms, and customer-facing AI systems, evolving custom-built work into reusable products and platforms. This role is for a Member of Technical Staff, Post-Training, a broad, high-ownership position for researchers who build, requiring the ability to reason deeply about model improvement and translate that reasoning into reliable systems. You will partner with researchers, domain experts, and customers to transform ambiguous post-training questions into experiments, evaluation frameworks, data pipelines, and products, with significant influence over technical direction and culture.

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We are seeking an ML Systems Engineer to contribute to the training of our Lumen LLMs, which are based on open-source software engineering models. This role is interdisciplinary, involving the development and deployment of reinforcement learning training environments, working with large-scale synthetic data pipelines, and building an ML platform for training large models in distributed settings. The goal is to train models that not only provide correct answers but also write readable, maintainable code aligned with architectural patterns. This position is ideal for someone passionate about the evolving landscape of coding agents, where data, RL environments, and opinionated reward functions are shaping future SWE model standards.

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Handshake AI works directly with frontier labs on their most consequential data, evaluation, and post-training challenges, building systems that turn expert human knowledge into data and evaluations that improve frontier models. Handshake Labs is building external AI products, research platforms, and customer-facing AI systems, evolving custom-built work into reusable products and platforms. This role focuses on building the data systems essential for frontier model training, improving how we generate, process, and prepare complex and sensitive data, whether through synthetic data generation or anonymization while preserving structure. You will partner with researchers, domain experts, legal/compliance stakeholders, and customers to translate ambiguous data questions into experiments, pipelines, and durable products, with significant influence over technical direction, standards, and culture.

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The AI Engineering and Productivity team empowers engineering and quality teams by delivering reliable and secure AI-driven tools. These tools streamline workflows, accelerate decision-making, surface actionable insights, and unlock productivity gains across the product lifecycle. As a Senior Software Engineer, you will develop data-intensive and AI-enabled software applications supporting Product Development engineering teams, working with complex data requirements and delivering solutions using industry-standard practices across SQL, Databricks, and modern programming languages like Java and Python. You will design and build software and data solutions with a strong focus on data quality, performance, and reliability, while also advising, coaching, and mentoring other engineers and shaping how teams access and use data and AI.

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The AI Engineering and Productivity team is seeking a Staff Data Scientist to empower engineering teams with reliable and secure AI-driven tools. This role will streamline workflows, accelerate decision-making, surface insights, and drive productivity gains across the product lifecycle. You will lead AI/ML and data science products, tackling complex problems and translating ambiguous business challenges into scalable, production-grade AI solutions with measurable enterprise impact.

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Dataiku is seeking interns to join their engineering teams, focusing on various aspects of their AI platform. Interns will work on specific features with direct impact on the product, collaborating with senior engineers to code, debug, optimize, and document their work. The role offers exposure to a dynamic technology stack, including Python/Java for backend and Angular/Vue/React for frontend, with opportunities to contribute to areas like AI/ML, MLOps, data preparation, and cloud platform development. Previous intern projects have included improving unsupervised model tooling, building AI-powered coding assistants, enhancing dynamic model management, developing AI-powered code generation, improving search capabilities for data pipelines, contributing to internationalization efforts, creating versatile file processing tools, implementing geospatial transformations, and building full-stack features for cloud engineering.

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