Software Engineer (Video Player)

Genius Sports

By bringing together next-gen technology and the finest live data available, Genius Sports is enabling a new era of sports for fans worldwide, delivering experiences that are more immersive, interactive and personalised than ever before. Learn more at geniussports.com   The Role - Senior Software Engineer (Broadcast Augmentation)   You’ll work at the intersection of real-time broadcast augmentation and video distribution, building systems that enhance how live sports are experienced and delivered. In this role, you’ll develop real-time augmentation and video processing pipelines used in sports broadcast workflows. You’ll help shape low-latency, curated viewing experiences powered by intelligent content selection and rich data derived from optical and on-field sensor tracking.  We believe live and post-game sports distribution is evolving rapidly, and this role plays a key part in defining what that experience becomes. What you will use day to day  You’ll primarily work with Rust, alongside substantial use of C++ and Lua in specific parts of the stack. You’ll also work across other languages and tools as you integrate systems and support internal workflows Qualifications: * Strong experience in lower-level software development  * Experience working with concurrent, performance-sensitive systems   * Ability to design, build, and maintain reliable, low-latency systems  * Comfortable working across complex, distributed architectures  Preferred Qualifications:   * Experience in video engineering (capture, encoding/decoding, transport, synchronisation, quality)  * Experience with real-time 3D or game graphics applied to interactive output   * Hands-on experience with computer vision pipelines using media frameworks or libraries   * Proven ability to lead features or subsystems from ambiguous requirements through to production   * Experience improving system architecture, observability, and testing practices   * Strong collaboration skills, including code reviews, pairing, and clear technical communication  We enjoy an ‘office-first’ culture and maximize opportunities to collaborate, connect and learn together. Our hybrid working models differ depending on your role and location.  As well as a competitive salary and range of benefits, we’re committed to supporting employee wellbeing and helping you grow your skills, experience and career. Learn more about how rewarding life at Genius can be at Reward | Genius Sports.  One team, being brave, driving change   We strive to create an inclusive working environment, where everyone feels a sense of belonging and the ability to make a difference. Learn more about our values and culture at Culture | Genius Let us know when you apply if you need any assistance during the recruiting process due to a disability.

Harmattan AI

ABOUT US Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected. ABOUT THE ROLE We are seeking a highly skilled Front-End Engineer to join our C2 Core team in Paris. In this role, you will be responsible for the operator's viewport into the battlefield, building the Human-Machine Interface (HMI) for our tactical Command and Control (C2) system. You will enter a context where cognitive load management is just as critical as software performance. The UI you build will run on tactical PCs in the field, requiring seamless real-time updates for the Common Operational Picture (COP), rendering multiple live video streams, and providing an intuitive interface for planning missions and commanding a fleet of robots. Responsibilities * COP Visualization: Build interactive maps and 2D/3D geospatial overlays displaying real-time robot telemetry, sensor data, and mission routes. * Real-Time Video Grid: Develop a low-latency, resilient video player interface capable of handling multiple simultaneous streams without freezing the main UI thread. * Mission Planning & Command: Create interactive tools for operators to draw waypoints, set mission parameters, and issue instant commands to the fleet. * Performance Architecture: Design a state management system capable of processing high-frequency data from the backend bus without causing UI jitter or memory leaks. * Collaborative Development: Work closely with UX/UI designers, backend engineers, and mission planning algorithm designers to refine workflows and ensure absolute minimum clicks for the operator. * Optimisation: Ensure the UI maintains strict performance benchmarks, such as consistent 60fps rendering, even during high-frequency map updates. CANDIDATE REQUIREMENTS * Educational Background: B.S. or M.Sc. in Computer Science, Software Engineering, or a related field. * Professional Experience: At least 5-6 years of experience shipping production-grade web applications with complex data visualisation. Technical Expertise: * Deep understanding of complex state management and real-time data flow. * Experience with geospatial mapping libraries (e.g., Mapbox, Leaflet, Cesium) or rendering APIs (WebGL, Canvas). * Familiarity with modern frameworks like React or Vue. * Domain Knowledge: Previous experience in defense, aerospace, fintech, or high-reliability domains where real-time data rendering is critical. * UX & Cognitive Load Awareness: High degree of user empathy; ability to design interfaces for high-stress environments where operators cannot afford distractions or confusing error states. * Proven Leadership & Ownership: A "mission-driven" and "product-oriented" mindset with a willingness to take full ownership of the frontend architecture. * Adaptability: Ability to thrive in a fast-paced, multi-disciplinary startup environment. We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.

Bloxd

Bloxd - Software Engineer We’re a profitable video game start-up in London with 15 million monthly players and we’re hiring engineers to join our 10-person founding team. About us Creating games with editable worlds usually takes 20k+ lines of well-optimised code and large amounts of effort. Bloxd gives you editable worlds in 5 lines of code, within 5 minutes. You can play our games at bloxd.io. About you You’re passionate about gaming and excited by the prospect of building great games that bring millions together. You have strong engineering fundamentals and a strong product sense, being happy to wear many hats (game design, UI/UX, community management), and iterate quickly on a live product whilst learning from player feedback. What we’re looking for * We’re open to a wide range of seniority - you should have at least 1 year of professional experience in software engineering, game engine development, or game development. This can include revenue-generating side projects and internships. * Experience developing games or game engines either through work or as side projects. Things you could work on within your first 2 months: * Create and manage your own game * Develop new gameplay systems inside existing games * Build new engine features for use by other game developers * Profile and optimise performance * Develop an in-game item marketplace * Improve our partner implementations (E.g. CrazyGames, Discord Activities) Our tech We have a TypeScript-first codebase, and use a combination of React, WebGL, and Node. This tech allows us to deliver Bloxd in an incredibly accessible way, and provides a great developer experience. You’ll need to be happy to pick these up if you’re not already familiar with them. Benefits * Healthcare * 5% pension match on qualifying earnings * A permanent desk in our King’s Cross office * 25 days holiday + bank holidays * Competitive salary + stock options