Python Jobs

Applied Intuition is seeking a Systems Engineer to join their UK Engineering team. This role is crucial for defining system requirements, designing architectures, and integrating the company's advanced technology onto autonomous vehicles and defense systems. The position involves a blend of systems engineering, robotics, software deployment, architecture, integration, and hands-on real-world testing. You will work in both office and field environments, spending significant time deploying and validating software on autonomous systems in dynamic settings. Collaboration with software engineers, autonomy experts, perception teams, data scientists, and field operators will be key to ensuring robust and reliable system deployments.

$60k - $300k

Applied Intuition is seeking a Sensor Fusion Engineer to join their UK Engineering team. This role is crucial for developing tracking, fusion, and state estimation capabilities for unmanned autonomous systems. You will be responsible for designing and building algorithms for single-agent and multi-target detection and tracking, as well as decentralized multi-agent, multi-target tracking for swarms. This position operates at the intersection of autonomy, robotics, perception, state estimation, and production software engineering, requiring close collaboration with various engineering teams to bring algorithms from concept to deployable software for real-world applications.

$60k - $300k

Skild AI is seeking a Software Engineer to develop and optimize the software infrastructure and tools for training cutting-edge AI models. This role involves building scalable and efficient training pipelines and frameworks that support the entire machine learning lifecycle, from data preparation to model deployment. You will collaborate with researchers and machine learning engineers to integrate new algorithms and techniques, pushing the boundaries of AI in real-world robotics. The position also focuses on exploring efficient data utilization within training pipelines.

Skild AI is seeking a Software Engineer to join their team and work on deploying cutting-edge AI models for embodied systems. This role focuses on optimizing AI inference processes for models ranging from lightweight to billion-parameter scale, ensuring robots operate efficiently and intelligently in real-world scenarios. You will bridge the gap between systems and machine learning, directly enhancing AI model power and adaptability by maintaining consistent performance under varying compute and hardware constraints.

Fireworks is seeking an AI Field Engineer to join their team. This role is at the forefront of technical engagement, embedding with ambitious customers and technology partners to rapidly transform complex AI challenges into production systems. You will operate at the intersection of engineering, product, and customer delivery, taking a hands-on approach to building Proofs of Concept (POCs), Minimum Viable Products (MVPs), and production integrations. Simultaneously, you will engage in executive-level discussions on architecture, strategy, and business outcomes. The position requires a significant amount of hands-on work, including shipping code, running benchmarks, debugging production issues, and architecting deployments, alongside leading discovery conversations, aligning stakeholders, and translating customer needs into product improvements.

OpenAI

OpenAI is seeking dedicated, experienced, and deeply curious individuals to join its User Operations team. In this role, you will work directly with customers through support tickets and live calls, troubleshooting high-impact issues and resolving novel, often ambiguous technical problems in a fast-paced environment. You will help define world-class support in an AGI-driven future, partnering closely with Engineering, Product, and Operations to improve systems, reduce bugs, and elevate the customer experience, while leveraging automation and AI technology to transform support operations at scale.

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible for everyone to use, customize, and build on. We are seeking an exceptional technical lead to build and scale our Forward Deployed Engineering function within the AI Solutions team. This role is critical in bridging our cutting-edge AI research with real-world enterprise deployments. As a Forward Deployed Engineer Lead, you will own the end-to-end technical strategy, execution, and delivery of complex agentic applications, from early pre-sales discovery through production deployment.

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible. We are seeking a core member for our Applied AI team to lead Forward Deployed Engineering efforts with enterprise customers. This role involves translating advanced AI research into high-impact, real-world applications, owning the technical strategy and delivery of agentic systems from discovery to production launch.

Scale AI

Scale's International Public Sector team is focused on using AI to address critical challenges facing the public sector globally. As a Full Stack Software Engineer (Forward Deployed), you will collaborate directly with public sector counterparts to quickly build full-stack AI applications that solve their most pressing challenges and impact millions of citizens. You will be a key technical strategist, architecting robust AI applications, guiding cloud infrastructure evolution, and directing the development of core platforms. This role involves mentoring staff and bridging the gap between real-world client needs and the core platform by translating lessons learned into reusable patterns.

Scale AI

Scale's public sector business is focused on delivering cutting-edge agentic AI to orchestrate portfolio management for homeland defense. We are seeking a Program Manager (PgM) to lead and own the execution for Scale's portfolio of clients dedicated to the layered defense of the United States. This is a hands-on leadership role requiring deep technical understanding, strong customer relationship management, and the ability to drive change in fast-moving, mission-driven environments. You will be instrumental in solving complex problems by working closely with our engineering team.

$233k - $291k

Synthesia, a leader in AI video for business, is seeking an Engineering Manager to lead its growing Application Security (AppSec) team. This role is crucial for securing the company's engineering and research organization as it scales, with a focus on building AI-native security tooling and embedding security throughout the development lifecycle. The ideal candidate will be a technically adept leader who can earn the trust of senior engineers, engage deeply in areas like threat modeling and agentic security tooling, and own the AppSec strategy. This position requires a hands-on approach to enable the team's success and foster a secure development environment within a rapidly growing AI-focused company.

Scale AI

We are seeking a Machine Learning Platform Engineer to develop internal tooling for fine-tuning and evaluating large language models. This role is crucial for advancing our capabilities in working with cutting-edge AI technologies.

$140k - $190k

OpenAI

The Scaled Abuse team at OpenAI is responsible for protecting the company's products and customers by detecting, preventing, and responding to fraudulent and abusive behavior at scale. This role involves building and operating backend and data systems that power real-time detection, investigation workflows, and enforcement. The work requires a blend of engineering and abuse expertise, partnering with various teams to understand attack patterns and harden defenses. The ideal candidate is comfortable with ambiguity, can quickly learn new codebases, and can propose pragmatic improvements to enhance system resilience.

Physical Intelligence is developing foundation models and learning algorithms to power robots and future physically-actuated devices. This role focuses on building the systems that enable robots to operate reliably and safely in real-world customer environments. You will integrate state-of-the-art models with robots, design system safeguards, develop teleoperation interfaces, and implement latency optimizations for remote control. You will collaborate with researchers, platform engineers, and robot operators to ensure the entire stack is dependable enough for customers to rely on for their operations.

Scale AI

Scale GP (Scale Generative AI Platform) is an enterprise-grade Generative AI platform that provides APIs for knowledge retrieval, inference, evaluation, and more. We are looking for a strong engineer to join our team and help us build and scale our product in a fast-paced environment. The ideal candidate will have a strong understanding of software engineering principles and practices, as well as experience with large-scale distributed systems. You will be responsible for owning large new areas within our product, working across backend, frontend, and interacting with LLMs and ML models. You will solve hard engineering problems in scalability and reliability.

OpenAI

We are seeking an experienced software engineer to join our Cloud Agents team, which focuses on building and scaling the product infrastructure for long-running agents in the cloud. This includes developing systems for orchestration, sandboxing, isolation, secure connectivity, secrets management, observability, reliability, and cost controls. You will play a key role in designing and operating systems that orchestrate agents at scale, working closely with product engineers across ChatGPT, API, and Codex to define essential abstractions and enable rapid product development. A strong background in backend or infrastructure development, particularly with Python, Rust, distributed systems, cloud infrastructure, or product platforms, is highly valued.

Stability AI

Stability AI is seeking a Senior Product Engineer to lead the ground-up development of PLG growth and lifecycle infrastructure for their music and audio products. This greenfield role spans web, desktop, plugin, and mobile platforms, requiring you to select the technology stack, design the event model, implement integrations, and manage the system. The ultimate goal is to create a measurable and attributable funnel from anonymous users to paying customers and account expansion. This position is at the nexus of growth marketing, product lifecycle management, and community-driven PLG, focusing on systems that drive conversion within the product.

Scale AI

This internship focuses on building and deploying AI-powered tools, automating workflows, and implementing agentic systems for use by Scale AI teams. You will be embedded within the Data & Technology organization, collaborating directly with engineers, data scientists, and operations leads on live automation initiatives. The role is ideal for individuals with a strong understanding of current AI capabilities, a preference for hands-on building over theoretical exploration, and proficiency in modern LLM tooling.

$74k - $112k

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer to join our full-stack data team. You will be instrumental in building systems that enhance the intelligence of our AI agents with every interaction. This role involves developing real-time pipelines, analytics products, and personalization primitives to transform customer conversations into business outcomes. You will contribute to architecting and building our core data platform for low-latency, large-scale data handling, including real-time eventing, streaming and batch ETL, and our data lakehouse. Additionally, you will develop systems for long-term agent memory, reusable Customer Data Platform (CDP) primitives, and optimization loops for personalized interactions that demonstrably improve business results.

Fireworks is seeking a Full Stack Software Engineer to architect, build, and scale its developer-focused web application and shape its end-to-end technical architecture. This role combines hands-on engineering with technical leadership, offering opportunities to mentor engineers, collaborate cross-functionally, and drive innovation in a fast-paced, AI-focused environment. You will be instrumental in delivering scalable, elegant, and highly performant solutions that directly impact hundreds of thousands of developers and the company's product vision. The position involves shaping and shipping the optimal developer journey, encompassing intuitive front-end interfaces, robust APIs, and efficient backend orchestration, integrated with a wide offering of open-source generative AI models.