Audio Engineering (Freelance)

Product Engineer (Windows)

Granola

Product Engineer (Windows) — Granola Location: London Hey! We're team Granola 👋 We're looking for a Product Engineer who loves Windows and loves building products in a fast-paced, iterative environment. Granola is an Electron app with deep OS integrations: system audio capture, accessibility APIs, webcam video streaming, and more. As part of our Desktop Platform team, you'll own the Windows experience and help unlock Granola for the next 100x users. In this role, you will: * Own the development of new user-facing features end-to-end, making sure they work brilliantly on Windows * Own the Granola experience on Windows. You'll feel every papercut because you'll use it every day * Optimise the application for speed, scale, and reliability on Windows * Work across the stack, from our React/TypeScript UI to native OS integrations where needed * Interact with users to understand their problems and design solutions * Collaborate with a cross-functional team of engineers, product managers, designers, and other members of the team to make our Windows app as good as our macOS app (or better?!) Your background looks something like: * Engineering experience at tech and product-driven companies * You use Windows as your main OS, and have done for several years * Proficiency with TypeScript, Node.js, and React * Experience building and maintaining desktop apps on Windows (Electron experience is a big plus!) * Comfortable navigating Windows-specific APIs and tooling when needed, even if you're not a low-level specialist As a person, you… * Are first and foremost a builder * Are excited to work in-person from our office in London (most of the time) * Love working in a startup environment (you either have experience working in a startup or are really drawn to the zero-to-one phase) * Value working with people who are kind, ambitious, and pragmatic * Thrive in a fast-paced environment with evolving requirements and shifting priorities About the opportunity We are living in the most exciting time for tool builders since Engelbart's demo in 1968. We want to assemble the best crew to build this future together, here in London. Our compensation philosophy is to pay slightly above market on salary and above market on equity. We do our best work in person, and so our team spends time together five days per week in our new, bright, and spacious office at Old Street. We are happy to offer relocation assistance to candidates who'll be moving to London to join us. Lastly, we think amazing talent comes from all kinds of life journeys and experiences. If what is written above speaks to you, whether you look like a fit on paper or not, please reach out.

Product Engineer (Transcription)

Granola

Product Engineer (Transcription) — Granola Location: London Hey! We're team Granola 👋 We're looking for an engineer who loves audio and transcription, and loves building products in a fast-paced, iterative environment. In this role, you will make Granola the best desktop transcription app that exists. You'll be talking directly with users to understand their transcription problems. You will be part of the founding team and help unlock Granola for the next 100x users. In this role, you will: * Own and build our transcription features end-to-end. Things like: * Audio capture on macOS and Windows * Echo cancellation * Connections to transcription providers/models * Local transcription models * Diarisation/attribution * Transcription UI/UX on our desktop app * Logging and evals so we know whether all this is working/improving! * Feel every transcription papercut, because you’ll be using Granola for every meeting! * Optimise the application for speed, scale, and reliability * Interact with users to understand their problems and design solutions * Collaborate with a cross-functional team of engineers, product managers, designers, and other members of the team to create a cutting-edge product Your background looks something like: * Experience with audio capture, real-time media pipelines * Engineering experience at tech and product-driven companies * Proficiency with TypeScript, Node.js, and React, and ideally Electron * Comfortable dropping into native code and OS audio APIs (CoreAudio, WASAPI, …) when needed, even if you're not a low-level specialist * Experience with speech-to-text models/providers As a person, you… * Are first and foremost a builder. * Are excited to work in-person from our office in London (most of the time) * Love working in a startup environment (you either have experience working in a startup or are really drawn to the zero-to-one phase) * Value working with people who are kind, ambitious, and pragmatic * Have an interest in AI/ML (direct experience not required) * Thrive in a fast-paced environment with evolving requirements and priorities About the opportunity We are living in the most exciting time for tool builders since Engelbart's demo in 1968. We want to assemble the best crew to build this future together, here in London. Our compensation philosophy is to pay slightly above market on salary and above market on equity. We do our best work in person, and so our team spends time together five days per week in our new, bright, and spacious office at Old Street. We are happy to offer relocation assistance to candidates who'll be moving to London to join us. Lastly, we think amazing talent comes from all kinds of life journeys and experiences. If what is written above speaks to you, whether you look like a fit on paper or not, please reach out.

Mobile iOS Engineer

xAI

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We’re seeking an exceptional iOS engineer to join a small, high-impact team dedicated to creating the world’s most valuable AI application, judged by the impact it delivers to users. You’ll shape cutting-edge mobile experiences, blending technical mastery with product brilliance.  RESPONSIBILITIES: * Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile. * Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless. * Build blazing-fast, highly performant systems where every millisecond counts. * Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally. BASIC QUALIFICATIONS: * Expert in Swift, with deep knowledge of SwiftUI and UIKit. * Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing-fast systems. * Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with AI. * Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps. * Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow. * Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability. PREFERRED SKILLS AND EXPERIENCE: * Deep expertise in the Apple ecosystem and related development tools. * Rust for working with our backend components. * AVFoundation for real-time audio processing. * Track record of shipping standout apps or standout features within apps. * Deep expertise in iOS development, particularly with Swift. We seek individuals who operate at the highest levels of their craft. * Excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at SpaceXAI—we must act decisively to succeed. * Sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value. COMPENSATION AND BENEFITS: £107,000 - £262,000 GBP Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive healthcare and dental coverage, cash plan, income protection, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.