Staff ML Engineer (Semantic Search & RAG Architecture)

Location: New York, NY

Employment Type: Full-time

Work Arrangement: Hybrid (3 days per week in-office)

About the Role

Our client, is the startup discovery engine used by the world's largest venture capital firms to find and invest in promising founders. They map the startup landscape to ensure hundreds of billions of dollars are routed efficiently. They have raised $30 million in funding.

They are seeking a Staff ML Engineer to lead the development of their core AI features. This is a high-impact role where improvements in ML outcomes directly enable customers to find better investment opportunities, driving innovation globally.

Scope of the Role

Founding Engineer

Location: San Francisco, CA (Union Square area)

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client, is an applied AI research lab building high-fidelity agent environments and tooling with the bold thesis of becoming the single global workforce supplier of AI employees for the entire global economy. They are currently focused on conquering the frontiers of planning, memory, and "always-on-behavior" for their agents.

As a Founding Engineer, you will have a high-agency role, working directly with the CEO and founding team. Your contributions will go beyond just code, actively shaping the product, culture, and architecture. You must be prepared to ship fast, experiment, and iterate without heavy process.

What You'll Do

METRO is one of the top employers in the country with over 11.000 employees. Operates one of the largest retail networks, My market, with 230 outlets and is also the leading company in wholesale consumer goods with 50 METRO Cash & Carry stores countrywide. 

We are developing the IT team and we are looking for a Software Engineer,

Are you a tech professional with experience in developing applications in a Microsoft .Net environment?

Are you passionate about code and tech savvy? If yes, we want you in our Team

What you will focus on

• You will write code for our in-house applications systems and you will be responsible for the entire software lifecycle.
• You will actively participate in the research, analysis and designing innovative applications in order to achieve our functional and technological innovation and progress.
• You will be constantly updated on new technologies in order to propose new ideas and contribute to the company’s technological infrastructure

Requirements

What we are looking for

Location: London (Paddington) Employment Type: Full-time On-site: 5 days/week in-person (Non-negotiable)

About the Role

Our client is building the universal financial intelligence layer for healthcare to solve the sector's chronic lack of financial clarity and efficiency. Their platform unifies fragmented clinical, financial, and transactional data using AI to instantly surface critical KPIs and insights. They are starting in dentistry with the aim of becoming the essential financial infrastructure for healthcare globally.

They are seeking a highly driven Software Engineer to work closely with the CTO, helping to design, build, and accelerate product capabilities. This role offers significant ownership, focusing on backend-heavy infrastructure and taking chunky problems from idea to a deployed, production-grade solution.

What You'll Be Working On

Location: San Francisco, CA

Employment Type: Full-time

Work Arrangement: On-site (minimum 3 days per week)

About the Role

Our client, a venture-backed company aiming to revolutionize the networking industry by creating a vertically integrated infrastructure provider, is seeking a Model Engineer to join their founding core AI team. This is a high-impact role focused on transforming a market with hundreds of billions in revenue by applying cutting-edge machine learning to internet infrastructure.

You will be responsible for the full lifecycle of model development, from data to production deployment, and will directly collaborate with founders to define technical vision and team culture.

What You'll Do

Fullstack Engineer (Python, React)

Location: San Francisco, CA

Employment Type: Full-time

On-site: 9-9-6 in-office schedule

About the Role

Our client is an intensely ambitious, hyper-growth AI startup that is completely rebuilding the foundation of the world’s largest industry: Insurance Claims Processing. They achieved six-figure ARR in just three months and raised a highly oversubscribed $3.8 million seed round from top-tier investors. Their team comes from elite global AI labs (Oxford, Cambridge, ETH Zurich).

They are seeking a Fullstack Engineer with a strong backend focus and clear signals of technical excellence. This role is defined by total ownership—you will be expected to ship features end-to-end and solve every problem, from core infrastructure design to direct client integrations for AI use cases.

What You'll Do

Location: New York City (Near Grand Central Station)

Employment Type: Full-time

Work Arrangement: Hybrid (3-5 days per week in-person)

About the Role

Our client, a rapidly growing AI startup with a mission to reinvent the $80B+ market research industry, is looking for a Member of Technical Staff (ML/AI Focus). The client's platform acts as an AI qualitative researcher, transforming customer interviews into quantitative insights. You'll work closely with a founding team of former Lyft and Ro executives to pioneer the intersection of AI and user research.

This is a foundational role where you will architect the core AI infrastructure and be critical to their mission of merging qualitative and quantitative research.

What You'll Own

In your first year, you will:

• Own the development of synthetic user capabilities.
• Design scalable AI pipelines to handle thousands of user interviews.
• Explore and execute model fine-tuning opportunities for interview analysis and insight generation.
• Be responsible for building cutting-edge AI systems that power the platform's core differentiator.

Requirements

Location: New York, NY (Flatiron District)

Employment Type: Full-time

On-site: 5 days/week in-person (Non-negotiable)

About the Role

Our client is a high-growth, venture-backed defense tech company working at the cutting edge of signal processing, machine learning, and embedded systems. As a Machine Learning Infra Engineer, you will design and build core infrastructure from scratch to handle petabytes of radio spectrum data. This is a high-ownership role for an experienced engineer who has strong opinions on tooling best practices and can make informed, future-proof decisions about architecture.

This team operates with a high bar for talent, a culture of high growth and high ownership, and requires an in-person presence to foster collaboration.

What You'll Do

Location: Palo Alto, CA

Employment Type: Full-time

On-site: 5 days/week in-office

About the Role

Our client, an AI company focused on dramatically accelerating semiconductor design, is seeking a world-class ML leader to architect and own their entire AI roadmap. They are solving the critical problem of exponentially increasing chip design costs by providing an integrated AI agent and code editor workflow to make silicon engineers 4x more productive. This is a foundational role where you will define the technical trajectory across the platform, including code generation, reinforcement learning, and layout optimization.

This position requires a deep, hands-on expert who can lead a growing ML team while actively contributing to the technical work.

Responsibilities

Position: Engagement Manager - Cloud (regular travel required)

Department: Sales & Marketing

Visa Sponsorship: You must have legal working rights in the country of your residence within the EMEA region. Sponsorship is only available within the Netherlands.

What is your goal?

As an International Engagement Manager, you will drive new business development across Europe by leveraging customer and market insights, a deep understanding of client needs, and the transformative potential of the Microsoft Cloud Platform.

We develop our business within Marketing and need you as an International Sales Manager to qualify and manage the entire sales cycle towards an Agreement. You will be up to date on Microsoft technology, licensing, HSO Services, and Support.

This role offers the opportunity to engage with international clients and develop cross-border business relationships, particularly in the cloud and enterprise software sectors.

Leading Microsoft Partner 

HSO belongs to the elite Microsoft Dynamics Inner Circle for 21 years, within the top 1% of all Microsoft partners worldwide. With over 2,800 professionals, and a worldwide presence, we deliver successful implementations across industries globally.