Senior Software Engineer - C++

Senior Software Engineer (C++), Video Processing

Protex AI

Protex AI is the AI Safety and Operations Intelligence Company. At Protex AI, we are at the forefront of AI-driven computer vision, building a safer, smarter industrial workplace with an intelligent operating system that redefines how facilities operate. Backed by top-tier global investors, we recently secured a $36 million Series B to accelerate our mission. Industry leaders like DHL, Amazon, and Tesla trust Protex AI to drive measurable safety improvements, achieving an average 64% risk reduction within just three months of deployment. Operating in 20+ countries, Protex is the go-to safety partner for Fortune 500 manufacturing and logistics enterprises, transforming workplace safety with real-time, AI-powered insights. ABOUT THE TEAM The Computer Vision (CV) Team builds and maintains the core foundation that powers all Protex systems, ensuring robust edge-to-cloud connectivity, scalable data infrastructure, and high-performance backend services. We support edge deployments for real-time computer vision applications and deliver resilient systems to enable proactive workplace safety at global scale. ABOUT THE ROLE We're looking for a Senior Software Engineer with deep expertise in C/C++ to join our Computer Vision team. You'll design, implement, and optimise the high-performance, real-time video analytics pipeline that powers our AI-driven safety platform. Built on the NVIDIA DeepStream SDK and GStreamer, this pipeline runs on edge hardware and orchestrates decode, batching, inference, tracking, and analytics under strict latency and throughput constraints. You'll own performance, reliability, and observability across that pipeline — from custom GStreamer plugins through to edge-to-cloud delivery. WHAT YOU'LL NEED * 8+ years of professional software engineering experience * Deep understanding of traditional C/C++, with strong proficiency in applying modern C++ (C++17/20) features to write safer, cleaner, and more maintainable code * Proven expertise in multithreading, asynchronous programming, and concurrency management in C++ * Proven expertise in performance profiling and monitoring of C++ applications, with a focus on optimisation and throughput * Proven expertise in debugging multi-threaded & real-time C++ applications with GDB * Experience building and deploying with Docker, including on resource-constrained edge devices * Ability to influence technical direction, mentor others, and implement solutions * Proven ability to optimize complex systems for real-time performance and scalability * Bachelor's degree in Computer Science or a related field NICE TO HAVE * Hands-on experience with the NVIDIA DeepStream SDK * Hands-on experience with GStreamer and computer vision applications, including writing or maintaining custom GStreamer plugins (pads/caps negotiation, buffer/metadata handling) * CUDA and GPU programming experience, including GPU memory management on NVIDIA hardware (Jetson-class edge devices) * Knowledge of encoding/decoding algorithms (H.264, H.265, MJPEG) and streaming protocols * Experience with edge deployment on AWS IoT Greengrass (or similar edge runtimes) and edge-to-cloud IPC * Familiarity with Python for build tooling, test harnesses, and analytics integration * Experience with CMake-based build systems * A track record of building observability into real-time systems (structured logging, health/heartbeat signals, graceful degradation) WHY JOIN US At Protex AI, you'll work on cutting-edge problems with a mission-driven team. You'll have ownership, autonomy, and the opportunity to make a tangible impact on workplace safety around the world. Protex AI is an inclusive and equal opportunities employer. We are committed to creating an equitable workplace for everyone regardless of gender, civil status, family status, sexual orientation, religion, age, disability, education level, or race.

Senior C++ Software Engineer

Hawk-Eye Innovations

Join Our Team as a Senior C++ Software Engineer at Hawk-Eye Innovations   Salary Banding: HUF 1.5M - HUF 2.2M per month Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Location: Budapest Hi, I’m Steve Hardingson, Head of the “Video and Cloud” Value Stream at Hawk-Eye Innovations. Are you interested in working with the latest technologies in a fast-paced environment, with exciting career opportunities in a growing business? At Hawk-Eye, we build technology that powers some of the most exciting and critical moments in sport, from instant replays and broadcast augmentation to officiating systems trusted by leagues, federations, broadcasters, and millions of fans worldwide. Our Value Stream builds the backbone of Hawk-Eye, creating the software architecture, deployment systems, and operational tools that power our world-leading sports technology platforms. As part of the Cloud Video Framework team, you will develop backend solutions that enable high-performance video experiences, working with core audio/video technologies, media processing, codecs, streaming, and low-latency systems. We’re looking for a Senior Software Engineer with strong C++ skills, a curious mindset, and a passion for solving real-world problems in high-pressure environments. Whether you’re optimising multithreaded code for live encoding, interfacing with video hardware, or building scalable tooling systems, you’ll be making a direct impact on how fans, players, officials, and broadcasters experience sport.     What You'll Be Doing * Collaborating with cross-functional teams to design and implement components for our systems and tooling platforms * You will work on developing and optimizing cloud video frameworks, including audio/video processing, streaming technologies, low-latency systems, and scalable cloud-based media solutions * Taking part in field testing and supporting deployments at live sporting events * Partnering with product teams and customers to refine and deliver the best solutions * Championing high code quality and contributing to a culture of continuous improvement * Leading technical discussions and contributing to architectural and design decisions * Mentoring and supporting junior and mid-level engineers   What We're Looking For * Proficiency in modern C++ (ideally up to C++20) * Experience writing multithreaded, performance-optimised code * Familiarity with tools like Git, Visual Studio, and debugging workflows * Experience with networking (TCP/IP stack, streaming protocols) is required. Exposure to cloud technologies or video/audio encoding workflows is a plus * A proactive mindset and eagerness to learn from a world-class engineering team   Bonus Points For * Knowledge of cloud architecture, preferably AWS * Experience with FFmpeg, audio/video processing, or multimedia applications * Working on a range of challenges, from hardware interfacing and network protocols to audio/video processing and UI development * Passion for sport or experience working in high-performance environments   Hungary Benefits * Annual Leave: Standard according to local labour law * Flexible Working: Hybrid model (2 days in our office per week) * Access to sporting events and tickets * Sony Group Company Discounts * Other Benefits: Cafeteria options (SZÉP Card, Nursery & Kindergarten contributions, Annual MOL Bubi Pass), Private Medical Insurance, Life & Accident Insurance, MindentMent Dental Clinic discounts, Seniority Awards, Employee Assistance Program   Equal Opportunity Employer We’re committed to creating an inclusive and diverse workplace. Everyone is treated fairly, regardless of gender, race, religion, age, disability, or background. We want you to be your best and truest self here.   Apply Today If you’re excited by the idea of solving real-world problems at scale and want to help shape the future of sports technology, we’d love to hear from you.

Senior Software Engineer

Marshmallow

We’re on a mission to make migration easy. We started building Marshmallow in 2017. Since then, we’ve grown from 3 to 700+ people, gained unicorn status, raised ~£140M over three funding rounds, turned profitable, insured millions of drivers and lent millions in car loans. But we’re only just getting started. Our goal is to become one of the largest financial services providers in the world. Over the next 10 years we’ll grow exponentially, not only by scaling our existing products, but also by building new ones. To achieve our goals we need incredibly ambitious, commercially driven people who never settle for ‘good enough’. Marshmallowers are hungry for autonomy and ownership, and would rather improve than coast. Everyone raises standards and has an impact, with a focus on collective success over self-interest. We’ve created an environment where curious, tenacious people win and grow together. If that sounds motivating, this could be the place for you. ENGINEERING AT MARSHMALLOW Marshmallow are looking for engineers to tackle complex challenges. So we can make migration easy for hundreds of millions of relocators around the world. Across frontend, backend and full stack, working alongside designers, data scientists and product managers; you’ll be at the heart of every solution we offer. Builders of dynamic new products. Pioneers of new tools and technologies. Open collaborators. Clear communicators. Engineers take ownership of projects from end-to-end to turn goals and vision into reality. With a clear view of where the business is headed and resources readily available to make sure we get there. You’ll have real-world impact creating trailblazing products, true visibility across the business, and the support to share your ideas, ask for what you need and progress. Learn fast and move forward with an engineering career at Marshmallow. If you're curious about our Engineering culture and ways of working, check out the Engineering Handbook. Budapest (hybrid, 2 days in office) Please note we are not in a position to offer sponsorship and/or a visa for this position. ABOUT OUR CLAIMS TEAM YOU’LL BE JOINING Claims Tech is a distributed team across London and Budapest, with a purpose to revolutionise the claims journey. Our mission is to streamline the claims process, reducing costs, enhancing the customer experience, and empowering our operational team to reach their full potential. Three engineering teams specialize in the First party, Third party and Fraud verticals. Currently, we are in the process of developing our cutting-edge internal Claims Management System (CMS). This application is designed to seamlessly guide insurance claims from inception to resolution. It handles every facet of the claims process (internal, external, customer-facing), integrating with partners as well as the financial reporting. Our commitment to innovation and excellence is at the core of everything we do, and the Claims Management System is a testament to our dedication to achieving industry-leading results in claims management. What you'll be doing * Working in a product team enabling efficient automation for tens of thousands of policies, ensuring that we provide customers with affordable, instant, and inclusive insurance * Manages and executes ambiguous technical solutions with appropriate sense of urgency to deliver impact within the team. * Creates and promotes efficiency and speed within the team by improving existing solutions and developing new ones * Partners with stakeholders to understand requirements, build solutions, deliver functionality, write automation tests and build continuous delivery pipelines all the way through to deployment, monitoring and supporting these systems in production What we’re looking for from you * 6+ years of software engineering experience * Expertise in Java and Spring and the eagerness to learn more * Experience with developing and scaling complex microservices systems * Experience with AWS is a must * Previous experience with identifying, analysing, and resolving system availability, reliability, and performance issues * Experience mentoring and guiding more junior members of the team * Full-stack experience with React is an advantage Our Tech Stack * Backend: Latest Java μService, Spring Boot with Spring Cloud, Dynamodb, Terraform, Docker, AWS Fargate, Datadog, Opslevel, and TeamCity. * Frontend: TypeScript, CSS-in-JS (Styled Components), React, Redux, Redux Hooks, and other modern state management libraries. Kotlin on Android and Swift on iOS. * Data: SQL, Python, Snowflake (warehousing), dbt (modelling), Airflow (orchestration) & Looker (BI/visualisation). * AI: Sierra.ai for conversational AI, Sagemaker and Tecton for machine learning, Python and LangChain for agentic AI solutions, and Cursor, Claude Code and Junie for developer productivity. PERKS OF THE JOB * Bonus scheme designed to reward high performance * Private healthcare with Medicare, mental health support with Oliva * Personal learning budget and dedicated L&D time * Monthly SZÉP card budget to spend as you choose * 4 weeks Work From Anywhere per year OUR PROCESS We break it up into 3 stages: * Initial call with Tech Talent Acquisition team (30-40 mins) * A past experience & culture interview with one of our engineering managers to check that your ways of working aligns with our processes, mission and values (1 hour) * Tech interview with two engineers which is centred around pair programming, systems design and technical questions (1 hour 30 minutes) We’ll let you know if you’re invited to an interview or not. But, as a small team with a lot of applications to consider, we can’t give individual feedback on each application #LI-OK1 Diversity of thought We know the best ideas come from having different perspectives in the room - and we're committed to hiring fairly, regardless of background, identity or experience. If you see yourself in this role, we'd encourage you to apply.