Be at the heart of actionFly remote-controlled drones into enemy territory to gather vital information.

Apply Now

Sr. Machine Learning Engineer

Slingshot AI
London
10 months ago
Applications closed

Related Jobs

View all jobs

Sr Data Scientist (London)

Senior DevOps Engineer, Machine Learning

Sr. Data Scientist, GenAI Algorithms (Based in Dubai)

Sr. Data Scientist, GenAI Algorithms (Based in Dubai)

Sr. Data Scientist, GenAI (Remote, Europe)

AI & Data Scientist

Job Description

About Slingshot

We're a team of machine learning engineers training task-specific generative models for psychology. Our goal is to build an AI therapist to help people change their mind and their lives in the ways that they want to. We partner with organizations around the globe and power use cases, including AI-assisted crisis text response, while securing best-in-class datasets to power our models.

Success to us means every human being in need of support having somewhere to go. We're a well-funded, seed-stage startup backed by top-tier tech investors involved in Huggingface, ElevenLabs, Replit, Captions, Shopify, Plaid, Notion, Canva, Twitch, Airtable, and others

We're building a powerful team by empowering our engineers with the autonomy, flexibility, and resources to do their best work. We dream big and iterate fast. If that sounds like home, we'd love to hear from you.

The Role

As Member of Technical Staff, you’ll work with our founding team across ML research and product development. To be successful in this role, you have to care about how these models perform to help people in the real world - more than how they perform on artificial evals. We ship a lot. You’ll be able to work at a faster pace than almost anywhere else while writing high-quality code and producing meaningful scientific insights.

You may work on data collection, curation, continued pre-training, ablation studies, evals, supervising the creation of hand-crafted data, preference optimization, and state-of-the-art reinforcement learning research. You'll also contribute to our end-user product, improving user experience through your work on our models and model orchestration.

You’ll be working on the latest language models, ranging from open-source 70B & 405B to frontier models through our deep partnerships with the largest AI labs. You’ll read papers and identify state-of-the-art techniques for us to learn from; and contribute to our core ML research: aligning language models towards successful long-term trajectories.

Our application backend is written in Kotlin and our ML stack (PyTorch) utilizes modern tooling in the ML space, including some that we’ve developed in-house in Typescript. We write high-quality, typed, Zen code.

About you

Note: We expect our MTS to be highly autonomous and intelligent individuals who may not fit our exact mold. Feel free to apply even if you don't exactly have the right experience, if you’re ready to learn quickly on the job.

  • 5+ years developing deep learning models in PyTorch, TensorFlow or JAX, include 3+ years in a production environment.
  • Experience fine-tuning language models, like Llama.
  • Experience with software engineering on a product, e.g. React, Swift, Kotlin, Java, etc., including a strong understanding of modern software architectures.
  • You're fast-paced and pragmatic. You'd rather prove out an idea through quick MVP code than present a slide deck to explain it.
  • You can explain complex ideas to non-technical people
  • You understand why deep learning is magic.

What We Offer

  • Competitive compensation (90th percentile)
  • Hybrid environment, highly collaborative, fast-paced culture
  • Work with a crazy passionate team that cares deeply about the impact of our work on mental health, especially in a post-AGI world

#J-18808-Ljbffr

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

AI Hiring Trends 2026: What to Watch Out For (For Job Seekers & Recruiters)

As we head into 2026, the AI hiring market in the UK is going through one of its biggest shake-ups yet. Economic conditions are still tight, some employers are cutting headcount, & AI itself is automating whole chunks of work. At the same time, demand for strong AI talent is still rising, salaries for in-demand skills remain high, & new roles are emerging around AI safety, governance & automation. Whether you are an AI job seeker planning your next move or a recruiter trying to build teams in a volatile market, understanding the key AI hiring trends for 2026 will help you stay ahead. This guide breaks down the most important trends to watch, what they mean in practice, & how to adapt – with practical actions for both candidates & hiring teams.

How to Write an AI CV that Beats ATS (UK examples)

Writing an AI CV for the UK market is about clarity, credibility, and alignment. Recruiters spend seconds scanning the top third of your CV, while Applicant Tracking Systems (ATS) check for relevant skills & recent impact. Your goal is to make both happy without gimmicks: plain structure, sharp evidence, and links that prove you can ship to production. This guide shows you exactly how to do that. You’ll get a clean CV anatomy, a phrase bank for measurable bullets, GitHub & portfolio tips, and three copy-ready UK examples (junior, mid, research). Paste the structure, replace the details, and tailor to each job ad.

AI Recruitment Trends 2025 (UK): What Job Seekers Must Know About Today’s Hiring Process

Summary: UK AI hiring has shifted from titles & puzzle rounds to skills, portfolios, evals, safety, governance & measurable business impact. This guide explains what’s changed, what to expect in interviews, and how to prepare—especially for LLM application, MLOps/platform, data science, AI product & safety roles. Who this is for: AI/ML engineers, LLM engineers, data scientists, MLOps/platform engineers, AI product managers, applied researchers & safety/governance specialists targeting roles in the UK.