Fine-Tuning Jobs

Black Forest Labs is seeking a Forward Deployed Robotics Engineer to integrate their advanced generative models, including action/VLA models, into the robotics and physical-AI systems of their key customers. This role involves embedding with clients, implementing real-world integrations, and providing direct feedback to the product and research teams. The ideal candidate is passionate about bridging the gap between cutting-edge AI research and practical robotic applications, with a proven ability to deliver functional systems in research, open-source, or production environments. This is a high-ownership position focused on customer success and driving the adoption of foundational AI technologies.

€120k - €180k

Scale AI

Scale is seeking a Software Engineer, Identity to join our Platform Engineering team. In this role, you will be instrumental in designing and developing core platforms and software systems, with a specific focus on identity, access management, authorization, and authentication. You will gain broad exposure to the cutting edge of the AI industry as Scale supports enterprises, startups, and governments. This position offers the opportunity to contribute to the foundational elements of products that power advanced LLMs and generative models, playing a crucial role in how humanity interacts with AI.

$216k - $270k

AI research at WRITER focuses on building the scientific foundation for ambitious enterprise AI deployments. As a staff AI research scientist, you will drive a high-impact research agenda centered on large language models, agentic reasoning, and system-level capabilities essential for enterprise-scale AI. This role offers a unique opportunity to advance the field while directly contributing to products used by hundreds of thousands daily. You will work on post-training, planning, multi-step reasoning, and agentic workflows, directly shaping the future of enterprise AI performance and scalability. The role provides resources, infrastructure, and cross-functional support to pursue and implement ambitious ideas rapidly.

Crusoe is building the future of AI infrastructure with an energy-first approach, creating a vertically integrated, sustainable AI cloud. We own and operate every layer of the stack, from power generation to AI workloads, to meet the boundless demand for AI compute. As a rapidly growing company, we are seeking problem-solving individuals who are driven by ambition and eager to shape the future of AI infrastructure. The Staff Technical Program Manager will play a crucial role in our Managed Inference platform, a fast-growing product area enabling customers to run production LLM workloads without managing underlying infrastructure. This role involves connecting model engineering, IaaS, product, and data center operations to deliver a reliable and scalable inference platform. You will have a unique opportunity to shape the TPM function as it is still being built, owning end-to-end program delivery, model onboarding, inference optimization, and production readiness for new model versions. Deep familiarity with how LLMs are served, optimized, and evaluated in production is essential.

Together AI

Together AI is building the Inference Platform that powers the world's most advanced generative AI models. This role will serve as a critical bridge between cutting-edge research and real-world applications, focusing on translating internal model training research into production-ready deployments for customers. The work involves a deep commitment to data-centric development, meticulous hyperparameter tuning, and rigorous checkpoint evaluation. You will transform general-purpose models into highly performant, specialized tools by fine-tuning them on customer-specific data and internal datasets, working with dedicated GPU clusters rather than training foundation models from scratch.

$190k - $270k

Together AI

Together AI is seeking an ML Engineer to develop systems and APIs for customer inference and fine-tuning of LLMs. The ideal candidate will have experience implementing runtime systems for large-scale AI/ML model inference, including the largest LLMs. This role involves designing and building production systems for reliability and performance at scale, partnering with cross-functional teams, and improving system efficiency and stability.

$160k - $220k

Together AI

Together AI is building the best inference infrastructure for voice applications, powering production-grade, real-time voice agents and applications. We are seeking a Staff ML Engineer to lead the model serving layer for voice workloads. This role involves hands-on optimization of inference engines and models like Whisper, Parakeet, Orpheus, and Kokoro, focusing on pushing latency and throughput boundaries. You will address unique challenges in voice inference, such as streaming audio and real-time latency, and shape the future of how voice models are served as the industry shifts towards end-to-end speech-to-speech systems. This is a foundational hire on a small, high-impact team.

$220k - $280k

Together AI

Together AI is building the best inference infrastructure for voice applications, powering production-grade, real-time voice agents and applications. We are seeking a Senior ML Engineer to lead the model serving layer for voice workloads. This role involves hands-on optimization of inference engines and models like Whisper, Parakeet, Orpheus, and Kokoro to achieve frontier-level latency and throughput. You will focus on unique voice inference challenges such as streaming audio, tokenization, and real-time latency budgets, shaping how voice models are served as the industry shifts towards end-to-end speech-to-speech systems. This is a foundational hire on a small, high-impact team.

$200k - $260k

Together AI

As the Partnerships Manager for our Model Ecosystem, you will be the primary architect of Together AI’s model library. This high-impact, cross-functional role focuses on bringing the world’s leading proprietary and open-source models onto the Together platform. You will navigate an ever-evolving landscape to negotiate non-standard, creative deals that provide developers with the best possible building blocks for AI applications. You are a "deal-maker" who thrives in ambiguity, sitting at the intersection of Product, Finance, and Marketing to ensure our model roadmap is not only technically superior but commercially viable and market-facing.

$270k - $300k

Together AI

As a Solutions Architect (Inference) at Together AI, you will work with customers and prospects to create business value through Generative AI applications. Solutions Architects at Together are trusted advisors to our customers that evaluate, identify and demonstrate how Together can solve their AI needs. As key contributors to our sales organization, Solution Engineers add tremendous value to the customer journey and directly impact company growth and revenue. This is an exciting opportunity for a deeply technical professional passionate about AI and customer success to make a significant impact in a fast-paced, innovative environment.

Together AI

As a Solutions Architect at Together AI, you will work with customers and prospects to create business value through Generative AI applications. You will act as a trusted advisor, evaluating, identifying, and demonstrating how Together AI can solve their AI needs. This role is a key contributor to the sales organization, adding significant value to the customer journey and directly impacting company growth and revenue. It's an exciting opportunity for a deeply technical professional passionate about AI and customer success to make a significant impact in a fast-paced, innovative environment.

$180k - $260k

Together AI

Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI model lifecycle, combining a fast LLM inference engine with state-of-the-art AI cloud infrastructure. As a Senior Backend Engineer, you will play a key role in building the next generation AI cloud platform. This platform is designed to be highly available, global, and extremely fast, virtualizing cutting-edge ML hardware and enabling practitioners with self-serve AI cloud services. It serves both internal StaaS products and external cloud customers across numerous data centers worldwide.

$160k - $230k

Together AI

Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI lifecycle, combining the fastest LLM inference engine with state-of-the-art AI cloud infrastructure. As a Senior AI Infrastructure Engineer, you will play a key role in building the next generation AI cloud platform – a highly available, global, blazing-fast cloud infrastructure that virtualizes cutting-edge ML hardware and enables state-of-the-art ML practitioners with self-serve AI cloud services. This platform serves both our internal SaaS products and our external cloud customers, spanning dozens of data centers across the world.

Together AI

Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI lifecycle, combining the fastest LLM inference engine with state-of-the-art AI cloud infrastructure. As a Senior AI Infrastructure Engineer, you will play a key role in building the next generation AI cloud platform – a highly available, global, blazing-fast cloud infrastructure that virtualizes cutting-edge ML hardware and enables state-of-the-art ML practitioners with self-serve AI cloud services. This platform serves both our internal SaaS products and our external cloud customers, spanning dozens of data centers across the world.

$160k - $230k

Together AI

Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI lifecycle, combining the fastest LLM inference engine with state-of-the-art AI cloud infrastructure. As a Lead/Manager, you will play a key role in building the Together cloud platform engineering team in the Netherlands. This platform serves both our internal SaaS products (inference, fine-tuning) and our external cloud customers, spanning dozens of data centers across the world.

Together AI

As a Forward Deployed Engineer (FDE) focused on Inference & Post-Training, you will be a hands-on technical partner to strategic customers, assisting production AI teams with leveraging high-quality models and performing inference at scale. You will act as a deep-domain specialist in inference optimization, fine-tuning pipelines, and production deployment, partnering with Solutions Architects. FDEs add significant value by ensuring complex Proofs of Concept (POCs) are met, facilitating platform adoption, and guiding tailored optimization efforts, directly impacting customer success and company growth.

$270k - $300k

Together AI

As a Customer Support Engineer at a pioneering AI company, you will be the first line of defense supporting customers building training, fine-tuning, and inference solutions. You will dive deep into complex technical challenges, providing swift and effective solutions while serving as a product expert. Collaborating closely with product and sales, you will drive continuous improvement of our offerings. This is an exciting opportunity for a deeply technical professional passionate about AI and customer success to make a significant impact in a fast-paced, innovative environment.

Together AI

As a Customer Support Engineer at a pioneering AI company, you will be the primary point of contact for customers building training, fine-tuning, and inference solutions with Together AI. You will tackle complex technical challenges, provide effective solutions, and act as a product expert. Collaborating with product and sales teams, you will contribute to the continuous improvement of our offerings. This role is ideal for a technically proficient individual passionate about AI and customer success, seeking to make a significant impact in a fast-paced, innovative environment.

$160k - $230k

Fireworks is seeking an AI Field Engineer to join their team. This role is crucial for embedding with ambitious customers and technology partners to rapidly transform complex AI challenges into production systems. You will operate at the intersection of engineering, product, and customer delivery, taking a hands-on approach to building Proofs of Concept (POCs), Minimum Viable Products (MVPs), and production integrations. Simultaneously, you will engage in executive-level discussions regarding architecture, strategy, and business outcomes. The position involves significant coding, running benchmarks, debugging production issues, and architecting deployments, alongside leading discovery conversations, aligning stakeholders, and translating customer needs into product improvements. This role requires comfort working on-site with customers to build relationships and trust in person.

Scale AI

Scale is at the forefront of the AI revolution, developing data engines and technologies that power the world's leading LLMs. This role focuses on leading critical programs within the Platform and Security Engineering teams, overseeing the design and development of core data storage systems and security initiatives. You will drive company-wide programs, improve processes, and ensure alignment with industry standards, gaining exposure to the cutting edge of AI adoption across various sectors. The work is crucial for making AI models safe, aligned, and useful through human evaluation and reinforcement learning.

$181k - $226k