Machine Learning Engineer Jobs at Startups

Turing

This role focuses on ensuring the quality and sensitive data compliance of enterprise data as it flows through our systems. You will be responsible for building machine learning models that detect and replace sensitive information like PII, PHI, and company-identifiable data in text and image formats. This involves developing detection models, validation infrastructure, adversarial test sets, and audit processes to guarantee data integrity and de-identification performance. You will work closely with a senior ML lead, focusing on hands-on engineering with a strong QA mindset, ensuring data remains useful and secure for downstream applications.

Salary not listed

Inworld is a research lab and inference provider focused on real-time AI for consumer-facing applications. We build first-party speech models, serve LLMs, and run the inference behind modular APIs designed for high-volume, real-time workloads. Our models and infrastructure support consumer applications across companions, healthcare, fitness, education, media, and more, serving over 10 trillion LLM tokens per month. We are looking for strong individuals from varied backgrounds who learn fast, thrive in ambiguity, and can demonstrate their experience in building, breaking, and understanding complex systems.

$250k - $300k

Ema builds AI Employees for HR, IT, and Finance, automating busy work across the employee experience. Founded by former executives from Google, Coinbase, Flipkart, and Okta, our team comprises engineers from premier tech companies and graduates of top universities. We are backed by leading investors and are at the forefront of Agentic AI, shipping real systems that run business processes at scale. We are seeking innovative and passionate Machine Learning Engineers who excel at solving complex problems with large datasets, transforming theoretical concepts into practical, scalable solutions, and pushing the boundaries of Natural Language Processing and Information Retrieval.

$160k - $220k

EnCharge AI is developing a next-generation AI platform featuring a novel in-memory-computing architecture designed to significantly improve energy efficiency and performance for AI inference workloads. We believe that as AI demands evolve, the underlying infrastructure must also advance. Our team, comprised of experienced AI researchers, silicon and systems engineers, and architects, is backed by leading investors and is positioned to be a key player in the future of AI innovation.

Salary not listed

Confido

Confido is seeking a Senior ML Ops Engineer to be the first dedicated owner of its ML platform. This role will be responsible for the pipelines, serving, and cloud foundation that enable AI/ML models and agents to operate reliably and cost-efficiently in production. The engineer will ensure the platform can handle large-scale workloads, including document understanding, forecasting, and agentic systems, with a focus on making AI/ML development and deployment seamless for the AI/ML team.

$210k - $300k

Cosine is seeking an Applied ML Technical Lead to join their UK AI lab, focusing on developing and deploying advanced AI capabilities for UK Defence and national security organizations. This is a hands-on technical leadership role where you will guide the technical direction and day-to-day progress of applied ML projects, translating research into operational capabilities. You will work across machine learning development, deployment, and customer-facing technical delivery, potentially involving training and evaluating models on complex sensor data, and engaging with Defence stakeholders to understand needs and shape priorities. The role requires coordinating ML researchers, software engineers, and infrastructure teams, identifying and resolving technical risks, and establishing clear evaluation criteria to demonstrate progress through measurable improvements and working capabilities.

Salary not listed

Cohere Health

Cohere Health is seeking a Staff Software Engineer to join their Integrations team. This role involves designing, developing, and scaling highly available healthcare integration systems that support prior authorization workflows across providers, payers, and delegated entities. You will provide technical leadership, drive platform engineering, and lead the development of secure integrations with internal and external systems. The position emphasizes cloud infrastructure, deployment automation, distributed architectures, and operational excellence, ensuring system reliability and performance. You will also champion automated testing, lead production issue resolution, and collaborate cross-functionally to align solutions with organizational goals. Mentorship and team development are also key aspects of this role, fostering technical excellence and contributing to hiring and coaching initiatives.

Salary not listed

Cohere Health

Cohere Health is seeking a senior-level automation engineer to enhance release quality, environment reliability, and change safety across their healthcare platform. This role involves partnering with Product, Engineering, Platform, and SRE teams to develop scalable automation, guardrails, and validation systems. The engineer will shape automation strategy, integrate quality into the Software Development Life Cycle (SDLC), and define safe change management processes in a regulated, high-impact domain. This position offers significant influence over release safety, platform reliability, and how engineering teams deliver software.

Salary not listed

Cohere Health

Cohere Health is seeking a Senior Software Engineer to join their Data Platform team. This remote-first role involves designing and delivering large-scale, reliable, and governed data pipelines that power analytics, operations, and clinical intelligence. The ideal candidate will thrive on solving complex data challenges, mentoring others, and improving engineering standards while contributing to platform growth. You will operate across the end-to-end data lifecycle, ensuring data products are performant, compliant, and trustworthy by partnering closely with analytics engineers, architects, and product stakeholders.

$135k - $160k

Cohere Health

We are seeking a Lead Software Engineer to join our Integrations team, focusing on designing, developing, and scaling highly available healthcare integration systems for prior authorization workflows. You will lead an agile team in building and operating an enterprise integration platform, driving technical excellence at the intersection of healthcare interoperability and modern distributed systems. This is a remote-first role with occasional travel requirements for onboarding and team meetings.

$150k - $185k

Cohere Health

We are seeking a Sr. Data Engineer to help drive the technical vision of our Data Engineering team as we scale our infrastructure, services, and architecture. This role is ideal for someone who blends deep technical expertise with strategic thinking and cross-functional influence. As a Sr. Data Engineer, you will partner closely with other data and analytics engineers, architects, product leaders, and business stakeholders to evolve our data infrastructure in support of high-trust, scalable, and business-aligned outcomes. You’ll also serve as a force multiplier across teams, raising the bar for data engineering excellence and accelerating the maturity of our data platform capabilities.

Salary not listed

Cohere Health

We are seeking a Senior Data Engineer to join our team and contribute to the design and delivery of our cloud-native healthcare data platform. This role involves implementing scalable data solutions on AWS, utilizing technologies like Apache Iceberg, Lake Formation, Glue Catalog, Athena, and dbt, along with modern orchestration frameworks. You will collaborate closely with platform, analytics, and business teams, combining strong hands-on engineering with cross-functional teamwork to drive technical execution from design through production deployment.

Salary not listed

Cohere Health

This role offers a unique opportunity to join a rapidly growing software engineering team focused on building impactful healthcare technology using a modern tech stack. You will contribute to a business intelligence platform, taking ownership of end-to-end feature releases, platform enhancements, and system optimization. The ideal candidate is an empathetic, candid, and kind teammate who thrives in a diverse and inclusive environment, contributing to a supportive and growth-oriented culture.

Salary not listed

Cohere Health

Cohere Health is seeking a Lead Applied Scientist to join their team and deploy machine learning models that automate administrative clinical practices. The Applied Science team focuses on designing, prototyping, and deploying production models that extract or predict clinical findings from various data sources. This role involves collaborating with AI Engineering to monitor these deployed models. The company's platform connects health plans and providers using AI-powered solutions to optimize care speed, cost, and quality, with a recent expansion into payment integrity services. Cohere Health has received industry recognition for its innovations in health technology.

Salary not listed

Cohere Health

We are seeking a Sr Business Intelligence Engineer to join our Intelligence team. In this role, you will drive the development and optimization of our analytical infrastructure, enabling efficient, scalable, and consistent reporting and analytics across the organization. You will play a critical role in shaping the foundation of our BI ecosystem—working at the intersection of engineering, data modeling, and stakeholder enablement. This is an ideal opportunity for an experienced BI engineer who can execute cross-functional projects, design performant data models, and contribute to the execution of a unified data strategy across platforms. You will also provide guidance and mentorship to junior team members and contribute to the evolution of Cohere’s modern data stack and governance practices.

Salary not listed

Dodo

Dodo is seeking a Senior ML Engineer to enhance the intelligence, speed, and reliability of healthcare's front desk agents. This role involves owning the models, evaluation, and training loops that process millions of real conversations daily, continuously improving the system based on real-world interactions. You will be instrumental in making Dodo's agents smarter and more effective in handling patient communications.

Salary not listed

Isomorphic Labs is at the forefront of applying advanced AI to accelerate scientific discovery and develop life-changing medicines. We are building a future where diseases are curtailed or cured, starting with better and faster drug discovery. Join our interdisciplinary team to drive groundbreaking innovation in a collaborative and inspiring culture. We leverage AI to model complex biological phenomena, design novel molecules, and develop innovative medicines to treat devastating diseases. Our world-leading drug design engine utilizes AI models capable of working across multiple therapeutic areas and drug modalities, with continuous innovation in model architecture and cutting-edge capabilities.

Salary not listed

Nox Metals is seeking a Machine Learning Engineer to develop production systems that enhance the speed and accuracy of quoting, material selection, planning, and factory decisions. This role involves working with complex operational data, testing hypotheses against real-world outcomes, and deploying effective solutions into production. The focus is on applied machine learning, where models must demonstrably improve decisions, withstand operational conditions, and gain user trust.

$152k - $168k

Physical Intelligence

Physical Intelligence is building a platform to bring general-purpose AI into the physical world, powering robots with foundation models and learning algorithms. As an API Product Engineer, you will develop the core product surface that enables external companies to utilize Pi's models similarly to how they use LLM APIs today. This involves allowing them to bring their own data, fine-tune models, evaluate performance, and run low-latency inference within their own environments. You will own this entire experience, transforming close-knit collaborations into a scalable platform designed to support a vast number of robots.

Salary not listed

Tenstorrent is seeking engineers to work at the hardware/software boundary, defining how hardware blocks are initialized, coordinated, and used by the runtime. You will determine how workloads are dispatched, scheduled, synchronized, and executed across the accelerator, solving complex performance problems through implementation, bring-up, and debugging. This role involves defining the runtime architecture and implementation that controls execution, scheduling, synchronization, and resource management across Tenstorrent’s custom processor, accelerator, memory, and data-movement IP. You will build low-level runtime components, design runtime interfaces, and analyze bottlenecks across the runtime and hardware/software stack to drive improvements in latency, throughput, scalability, and reliability.

$100k - $500k

voize

At voize, we are building AI companions to seamlessly take over digital workflows for frontline workers, giving them more time to care, connect, and be present. Our mission is to amplify human impact through technology, not replace it. Backed by significant funding and trusted by thousands of facilities and hundreds of thousands of users, we combine cutting-edge technology with meaningful social impact. We are looking for a Senior ML Engineer to join our dynamic team and contribute to our mission.

Salary not listed

Handshake is seeking a Machine Learning Engineer I for the Growth Relevance team to help shape the evolution of careers in the AI economy. This role will focus on developing, deploying, and enhancing machine learning systems for lifecycle optimization, personalized notifications, and monetization strategies. You will work with cutting-edge ML infrastructure, including embedding-based retrieval, Graph Neural Networks, and multi-stage rankers, contributing to critical marketplace metrics and responsible AI practices.

$150k - $189k

Luma is seeking a Research Scientist/Engineer to focus on optimizing the performance of their multimodal models. This role involves profiling and enhancing GPU, CPU, and accelerator code to ensure efficient training and scalable deployment without compromising quality. You will be responsible for writing kernels and operations that maximize hardware utilization and minimize latency, requiring deep expertise in GPU optimization, transformer internals, and low-level programming.

$195k - $395k

Tenstorrent is a leader in AI technology, aiming to revolutionize performance, usability, and cost-efficiency. As AI redefines computing, our solutions must integrate innovations across software models, compilers, platforms, networking, and semiconductors. We are seeking a CPU Performance Modeling Architect to evaluate, shape, and optimize future CPU architectures. This role involves using performance modeling, workload analysis, and a deep understanding of CPU architecture to address complex design questions. You will collaborate closely with CPU architects, RTL designers, software and compiler teams, and system engineers to identify performance opportunities, assess architectural trade-offs, and translate modeling insights into actionable design decisions.

$100k - $500k