AI Startup Jobs

Perplexity AI

The Agent Capabilities team at Perplexity Computer is at the forefront of agentic AI, bridging frontier AI research with product innovation. This team builds the foundational capabilities that empower users and agents to tackle increasingly complex tasks. They are responsible for translating cutting-edge AI model breakthroughs into reusable product features, evaluating emerging model capabilities, identifying user value, and transforming these into reliable, scalable, high-quality experiences. This role offers broad ownership at the intersection of AI research, agent systems, platform engineering, and product innovation.

$220k - $405k

We are seeking a Senior PHY Software Engineer with over 10 years of experience in cellular PHY software development, integration, debugging, and system troubleshooting across 2G, 4G, and 5G technologies. This role will focus on PHY development and issue resolution. A key aspect of this position involves contributing to an AI-assisted development initiative, specifically building and fine-tuning AI-based tools and agents for PHY log and crash analysis to enhance engineering productivity and root cause analysis capabilities. The ideal candidate will be a strong PHY domain expert and problem solver, adept at identifying root causes by correlating evidence across various sources and layers, going beyond linear debugging.

Salary not listed

Prodigal is seeking a passionate and driven Data Engineer to join their team in Bengaluru. This role is instrumental in building scalable data pipelines, generating powerful insights, and supporting AI/ML initiatives. The ideal candidate will enjoy working across data engineering and analytics to help shape the future of Agentic AI. Prodigal is a connected AI platform used by financial institutions to run their operations, analyzing billions of interactions to power AI agents that guide human agents, conduct customer conversations, and orchestrate outreach. They are backed by prominent investors and work with over 100 financial institutions.

Salary not listed

Harvey is transforming legal and professional services by integrating advanced agentic AI with an enterprise-grade platform. This role offers a unique opportunity to contribute to a rapidly scaling company that is defining a new category in real-time. The team values decisiveness, simplicity, and a commitment to continuous improvement, seeking individuals who are driven to do their best work alongside like-minded professionals. The future of professional services is being shaped at Harvey, and this is just the beginning.

$231k - $340k

This role involves collaborating with researchers to conduct research operations using existing infrastructure. You will apply standard techniques to a variety of technical problems, using your judgment in complex scenarios. The position requires managing numerous concurrent experiments, accurately estimating timelines, and reviewing experimental results to suggest improvements. You will also write technical reports detailing both qualitative and quantitative findings for external parties. The ideal candidate possesses a practical optimism, proficiency in Python, and the ability to communicate complex technical concepts effectively to diverse audiences.

$150k - $250k

Parallel Wireless is seeking a hands-on technical leader to build and operate a secure local large-language-model (LLM) platform. This platform will enable engineering and business teams to leverage generative AI with proprietary company data, including source code, product documentation, and technical standards, all within a secure, company-controlled environment. This senior individual contributor role involves applied LLM engineering, platform architecture, data pipelines, security, and production operations. You will transform prototypes into a dependable internal capability by selecting and optimizing open-weight models, building permission-aware retrieval systems, creating reusable APIs and tools, integrating with existing workflows, and establishing metrics for quality, safety, latency, capacity, and business value. The role emphasizes building a trustworthy enterprise LLM solution that includes robust source grounding, access controls, repeatable evaluation, observable services, and a sustainable operating model.

Salary not listed

TRM Labs

TRM Labs is seeking a Senior Software Engineer to join their AI team, focusing on enhancing intelligence collection through AI-powered solutions. This role involves working directly with intelligence analysts to understand their workflows and build AI products, tooling, and infrastructure that improve efficiency and scale. The ideal candidate will have strong product sense, the ability to identify high-impact solutions, and a desire to stay deeply technical while shaping product direction. You will be responsible for designing, building, and owning AI-powered internal applications end-to-end, from backend services and APIs to the underlying infrastructure and user interfaces. This is a hands-on position for an engineer who wants to make a significant impact on the mission of building a safer world.

$200k - $220k

Parallel Wireless is seeking a skilled wireless systems engineer to lead the development of a multi-RAT digital twin for their Open RAN solution. This role involves executing production RAN software within a closed-loop simulation environment, enabling engineering teams to design, evaluate, and compare features for LTE, 5G NR, and 2G without the need for physical radio setups. The position is a senior individual contributor role at the intersection of wireless systems, simulation, production software, and AI/ML, focused on evolving an existing simulator into a scalable platform for feature development, testing, and optimization.

Salary not listed

TRM Labs

TRM Labs is seeking a Senior Software Engineer to join their AI team, focusing on enhancing intelligence collection with AI-powered solutions. This role involves working closely with intelligence analysts to understand their needs and build AI products, tooling, and infrastructure that improve efficiency and scale. The ideal candidate will have strong product sense, a desire to stay deeply technical, and the ability to identify and build high-impact, scalable AI solutions rather than narrow automations. You will design, build, and own AI-powered internal applications end-to-end, including back-end services, APIs, data storage, and infrastructure, and develop custom agentic solutions leveraging state-of-the-art models.

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Parallel Wireless is seeking experienced wireless algorithm experts to research and design advanced cellular communication algorithms for 5G and beyond products. This role will leverage neural networks and machine learning techniques to reimagine mobile networks with innovative, energy-efficient Open RAN solutions. The ideal candidate will contribute to the future of telecommunications by driving innovation through green and sustainable networks.

Salary not listed

Blee

Blee is an AI-first marketing content compliance platform trusted by major companies like PayPal, NerdWallet, and Brex. We are a YC-backed startup defining a new category in compliance across various industries. We value in-person collaboration but offer remote opportunities for exceptional candidates, with regular off-sites and opportunities to connect across offices. You will join a team focused on clarity, ownership, and building impactful solutions.

$150k - $275k

Manifold is seeking a Staff Software Engineer to join its Core Platform team, a senior group responsible for the foundational services powering the company's data, compute, and workflow capabilities. In this hands-on, individual contributor role, you will work on compute infrastructure, workflow orchestration, data pipelines, platform APIs, and MCP services. You will support enterprise users and their AI agents analyzing large-scale genomics and life sciences datasets. The role offers an opportunity to shape the longer-term product architecture and contribute to core services critical for accelerating the delivery of life-changing medicines to patients.

$170k - $220k

Isomorphic Labs is applying frontier AI to drug discovery to accelerate scientific breakthroughs and develop life-changing medicines. We are building a world-leading drug design engine using predictive and generative AI models. This role is an exciting opportunity to contribute to frontier research at the intersection of AI and drug design, working in a highly creative, iterative environment within the model performance and scaling team. You will partner with scientists and engineers to scale foundational models that will transform the biopharmaceutical world, applying novel techniques to model and systems performance optimizations, as well as machine learning, computational biology, and chemistry problems.

Salary not listed

Composio

This is an applied AI engineering role focused on building customer-facing AI solutions. You will work directly with customers to understand their recurring problems and develop agentic systems to automate those tasks. This involves debugging and shipping solutions when direct engineering is required, and transforming repeated issues into robust workflows, evaluations, tools, or product capabilities. The role offers a unique opportunity to work at the frontier of applied AI, designing systems that gather context, reason across different platforms, utilize tools, take bounded actions, verify outcomes, and communicate effectively. You will also be responsible for defining the necessary state, permissions, guardrails, evaluations, and escalation paths to ensure AI systems earn customer trust, and for implementing immediate feedback loops to continuously improve these systems based on real-world support cases.

Salary not listed

Sierra

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We partner with industry leaders and are primarily an in-person company based in San Francisco. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family.

SGD 200k - SGD 240k

Sierra

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Software Engineer, Agent Intern, you will work directly on production AI agents for Sierra's customers. This role offers hands-on experience in designing and developing AI agents, shipping features, and learning from real-world use cases at scale. It's an opportunity to contribute to a significant technological wave and learn from industry leaders.

Salary not listed

Harvey is transforming legal and professional services by combining agentic AI, an enterprise-grade platform, and deep domain expertise. This role offers a unique opportunity to help build a generational company at an inflection point, with strong product-market fit and investor support. The team operates with intensity, ownership, and a commitment to excellence, valuing decisiveness, simplicity, and continuous improvement. If you are driven to do your best work alongside like-minded individuals, Harvey is the place to be.

$231k - $340k

Nunchux AI is building infrastructure to make multimodal generative AI faster, cheaper, and easier to build on. Founded by MIT PhDs and CMU Professor, the company leverages deep research expertise and production systems experience. The Role focuses on bringing new image and video models to the Modelverse platform, prioritizing speed to launch. You will own the initial integration, coordinate deployment with the cloud team, and work with product engineers on API and Modelverse integration. After launch, you will hand off optimization tasks and maintain the shared code for model integration and serving.

$170k - $240k

Oxus is seeking a Founding Engineer to join its early-stage team, which is building AI-powered solutions to automate internal audit workflows for public and pre-IPO companies. The company's platform is already used by leading payroll providers, public biotechs, and social media enterprises to streamline the manual processes involved in gathering, reviewing, and documenting information for internal audits. The Founding Engineer will play a crucial role in developing these AI systems, ensuring accuracy, traceability, and reviewability in high-stakes workflows. This is an opportunity to significantly impact the product, architecture, and engineering culture of a fast-growing startup backed by prominent investors.

$150k - $250k

Nunchux AI is building infrastructure to make multimodal generative AI faster, cheaper, and easier to build upon. We are seeking a Machine Learning Engineer focused on post-training and evaluation to enhance the efficiency and quality of visual generative models. In this role, you will develop and validate post-training techniques, curate and manage data pipelines for training and evaluation, and build robust evaluation systems to measure model performance. You will also benchmark models against industry standards, ensure quality, and integrate cutting-edge research into production workflows.

$180k - $250k

Blissway

Blissway is a startup focused on simplifying toll collection and improving highway safety through deep tech, AI/ML, hardware, SaaS, and IoT. We have established a significant technological lead in the tolling industry, a market projected to double in the next decade. Our lean team operates across the entire system, from roadside cameras to final billing, ensuring every vehicle processed results in an accurate toll transaction. We are seeking an engineer who is passionate about shipping models into production and owning the full lifecycle from raw sensor data to deployment monitoring, cloud to edge. This role is ideal for someone who thrives on taking models from a notebook to real-world application.

$145k - $195k

We are seeking an ML Data & Platform Engineer to manage the infrastructure supporting our speech AI models. This includes the pipelines for data sourcing and preparation, as well as the platform for training, evaluating, and serving models in production. This broad, cross-functional role is ideal for someone who thrives on end-to-end problem ownership across data infrastructure, distributed systems, and production ML, aiming to accelerate the delivery of better models.

Salary not listed

Swayable

Swayable is a fast-growing AI and automated data science platform that measures public opinion and the impact of messages and advertising content on it. We are a 40-person team backed by top technology and social impact investors, including Y Combinator. The Director of AI will be a builder, researcher, developer, and thought-partner to the CEO and CTO, responsible for discovering, prototyping, and proving out high-value applications of cutting-edge AI across business operations, product, and fundamental research. This role offers a unique opportunity to leverage significant resources, including a large dataset of RCT survey experiment results, an established team of engineers and scientists, academic partnerships, and direct access to enterprise customers for rapid product development.

$175k - $250k

Moveworks is building the runtime infrastructure that powers its AI agents, which are responsible for orchestrating, executing, and delivering responses to millions of enterprise users in real time. This role focuses on distributed systems engineering at the forefront of agentic AI. The AI agents are designed to plan and execute multi-step workflows, interact with tools, and manage human input, all while ensuring correctness, observability, and low latency. The systems responsible for these capabilities are what you will build and own.

Salary not listed