hackajob is collaborating with Sierra to connect them with exceptional professionals for this role. About us Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a…

Founding Quant Research Platform Engineer Location: New York City — In Person Compensation: $150,000–$250,000 Base Salary Equity Company Overview We are an early-stage quantitative investment firm building an AI-powered research system that transforms investment ideas into reliable implementations and actionable evidence—while learning from every experiment. Our New York-based team consists of researchers and engineers who are curious about how markets work, quick to test new ideas, and willin…

Research Engineer, Biological Safety and Orthopedic Devices Location: Remote, US-based Preferred location: Denver, CO, with onsite work possible for local candidates We are looking for a Research Engineer to support investigation, research, and remediation activities for orthopedic medical devices. This role will focus on biological evaluation, preclinical research, risk assessment, technical documentation, and regulatory support. The successful candidate will work closely with R&D, Design Engi…

We're a different kind of AI lab. Our research sits at the crossroads of database systems and interoperability, and it's shaped by real problems our enterprise partners bring to us. We love work that's hard, meaningful and genuinely enjoyable at once. The best days here start with a tough problem, a whiteboard and a pile of code and experiments, and end with pizza boxes on the table and a solution finally cracked. We're builders at heart, drawn to problems nobody's solved yet and always looking…

Role: Software Engineer/ ML Engineer Duration: 12 Months Location: Bedminster, NJ Mode of Work: Onsite for 5 days a week. Job Type: Open for W2 and C2C Key Responsibilities & Requirements: PhD in Computer Science or a closely related field with strong foundations in software engineering, algorithms, distributed systems, and backend architecture. Hands-on software development experience using Python and/or Java, with the ability to design, develop, test, and deploy scalable production-grade appl…

Company Overview At Skild AI, we are building the world's first general purpose robotic intelligence that is robust and adapts to unseen scenarios without failing. We believe massive scale through data-driven machine learning is the key to unlocking these capabilities for the widespread deployment of robots within society. Our team consists of individuals with varying levels of experience and backgrounds, from new graduates to domain experts. Relevant industry experience is important, but ultim…

hackajob is collaborating with Nightwing to connect them with exceptional professionals for this role. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modern…

Who We Are: We are a world-renowned supplier in advanced spacecraft avionics and payload processing solutions. Our state-of-the-art research and development center provides complete turn-key systems and solutions to meet the most demanding space applications. Objectives of this Role: Responsible for design, analysis, documentation, verification, and test of PWB designs for space applications including both analog/power and digital architectures. Work on the full lifecycle design for related fli…

Active Top Secret/SCI clearance preferred. Candidates without an active clearance must be eligible to obtain and maintain a Top Secret clearance with SCI eligibility. U.S. citizenship is required to meet applicable government security clearance requirements. PREDICTION is building AI systems for some of the most demanding national security environments in the United States.We are hiring an exceptional AI Research Engineer to join our growing engineering and research team in New York. This is no…

About Mbodi Mbodi is building embodied AI platform that makes robots learn and operate like humans, with natural language. Our software lets anyone teach robots new skills by talking to them and execute the learned skills reliably in production, in minutes. We are pioneering the next wave of robotics, where advanced generative models, agentic systems, and real world automation come together. We are backed by top investors, part of YC X25, and working with global industrial partners including AB…

Ampace (新能安) is a global battery-technology company specializing in lithium-ion cells and systems for energy storage, data centers, and critical power. Our R&D pairs advanced cell chemistry with semi-solid-state technology to deliver safe, high-performance batteries at scale. This position is based at our R&D center in Xiamen, China. Responsibilities: 1. Research gel-electrolyte properties — flexibility, strength — and define the target states we need. 2. Study gel monomers and gel processing. …

Candidates for this role are required to sign the organization’s Statement of Faith, which closely aligns with Come Near’s mission-driven focus of inviting all people one step closer to the authentic Jesus from wherever they are. ABOUT US Come Near is a group of people moved to raise the public conversation about Jesus. They create, curate, and connect people to authentic Jesus stories and experiences. Most widely recognized is the group’s “He Gets Us” campaign, which invites people to reconsid…

Ampace (新能安) is a global battery-technology company specializing in lithium-ion cells and systems for energy storage, data centers, and critical power. Our R&D pairs advanced cell chemistry with semi-solid-state technology to deliver safe, high-performance batteries at scale. This position is based at our R&D center in Xiamen, China. Responsibilities: 1. Lead the technology roadmap and patent strategy for next-generation silicon-anode systems. 2. Collaborate with leading institutions and teams …

Who We Are: We are a collaborative, agile team of engineers within Southwest Research Institute dedicated to advancing science and applying technology for the benefit of government and industry. We develop next-generation thermal and fluid systems across data center cooling, energy and power, aerospace, aviation, and defense—delivering objective, high-impact solutions to complex engineering challenges. Objectives of this Role: Provide engineering support for research projects on thermal systems…

About the role AI systems are becoming increasingly capable at scientific work, but we still lack rigorous ways to evaluate their understanding of biology—for example, whether they can interpret experimental data or recognize when a scientific conclusion is unsupported. We're recruiting researchers to help build rigorous evaluations of AI capabilities in neuroscience. Each evaluation presents an AI model with a scientific problem and measures its performance against a defensible reference. We'r…

Research Engineer, Biological Safety and Orthopedic Devices Location: Remote, US-based Preferred location: Denver, CO, with onsite work possible for local candidates We are looking for a Research Engineer to support investigation, research, and remediation activities for orthopedic medical devices. This role will focus on biological evaluation, preclinical research, risk assessment, technical documentation, and regulatory support. The successful candidate will work closely with R&D, Design Engi…

Post-Training Research Engineer NYC, hybrid We're partnered with a highly technical, research-driven quantitative firm that's been investing heavily in next-generation AI capabilities and looking to add a Post-Training Research Engineer to a growing team at the intersection of machine learning research and large-scale systems. In this role, you'll help advance the performance and behavior of state-of-the-art models through post-training techniques, large-scale experimentation, and reinforcement…

Role: Software Engineer/ ML Engineer Duration: 12 Months Location: Bedminster, NJ Mode of Work: Onsite for 5 days a week. Job Type: Open for W2 and C2C Key Responsibilities & Requirements: PhD in Computer Science or a closely related field with strong foundations in software engineering, algorithms, distributed systems, and backend architecture. Hands-on software development experience using Python and/or Java, with the ability to design, develop, test, and deploy scalable production-grade appl…

Our client, a Series B HealthTech startup, is looking for a Machine Learning Research Engineer to join their team. As a Machine Learning Research Engineer, you'll design, build, and validate the models and pipelines at the core of our product. This role sits at the seam between research and production: one day you're framing a clinical prediction problem and choosing an evaluation that a physician would actually trust, the next you're building the data pipeline and monitoring that keeps that mo…

U.S. citizenship is required for this position. Candidates must be eligible to obtain and maintain a U.S. government security clearance. An active Top Secret/SCI clearance is preferred but not required. PREDICTION is building advanced AI systems for national security. We are looking for an exceptional Founding AI Research Engineer to join our core technical team and help define the AI research direction of the company. This is a hands-on research and engineering role for someone who wants to wo…