Role Description Do you love tuning code to extract every last bit of performance? If so, AMD is looking for a SIMD Software Engineer for a high impact role in Software Performance Engineering focused on improving the performance of key applications and benchmarks. You will be a member of a core team of high-talent industry specialists and will work with the very latest hardware and software technology. You will apply your passion for performance and work together with our partners to identify areas of concern, develop novel approaches, and leverage insider knowledge about our architecture to improve performance on AMD platforms. You will have the support of and interact closely with key AMD technical specialists to ensure the best possible performance, X-factors and results. Key Responsibilities: - Identify and analyze AMD strengths and weaknesses in application performance, finding performance bottlenecks. - Use all available tools and/or source code to determine the nature of the identified bottleneck. - Design solutions or workarounds to mitigate identified bottlenecks. - Work with AMD’s architecture specialists to improve future products. - Apply a data minded approach to target optimization efforts. - Research alternative, more efficient ways to accomplish the same work and promote these to software vendors. - Contribute performance improvements to open-source projects and identify other applications that may benefit. - Develop technical relationships with your peers at our partner software vendors. - Stay informed of software and hardware trends and innovations, especially in algorithms and architecture. - Be a specialist in the performance characteristics of mainstream CPUs. - Some travel may be involved as you visit our partners at their locations as needed for co-engineering efforts and education. Qualifications - Shipped code with SIMD intrinsics, especially AVX512 and AMX. - Experience identifying performance bottlenecks on any platform. - Deep Knowledge of C/C++ programming. - Experience investigating compiler code generation, e.g. LLVM auto-vectorization. - Knowledge of modern concurrent programming and threading APIs. - Knowledge of CPU architecture. - Familiarity with modern source version control such as Git, Mercurial. - Excellent communication skills and able to work with partners effectively. - Self-starter, passionate about performance. Requirements - Experience with LLVM IR code and API. - Experience developing highly parallel applications and algorithms. - Experience with power/performance tuning. - Knowledge of x86/x64 assembly language and special instructions. - Knowledge of interpreted languages such as Python and JavaScript. - Familiarity with both Windows and Linux environments. Academic Credentials - At least a BS/MS/PhD in computer science, computer engineering or a related field. Benefits - AMD benefits at a glance.

• Contribute to the ongoing development of Arena Club’s mobile app using React Native, delivering new features and enhancements that delight our users • Collaborate with product managers and designers to create intuitive, engaging customer experiences • Partner with backend and web engineers to ensure seamless functionality across platforms • Design and implement robust app architectures and complex user interfaces • Ensure the performance, quality, and responsiveness of the application • Raise the engineering bar, set development standards, and identify and correct bottlenecks • Help maintain code quality, organization, and automation

Role Description We're looking for a Mid-Level Backend Developer to help build and evolve the core system that powers our products and operations. You'll join as the second developer in our backend team, reporting to our Lead Backend Developer. - Our backend runs on Kotlin with a custom framework built around event sourcing. - You'll need to be comfortable reading code, asking questions, and finding your way through a system that's still being shaped. - You'll build new features, improve testability and reliability, and help evolve the architecture over time. - The product is complex and spans multiple domains; you'll need to build deep understanding quickly and be comfortable making decisions with incomplete information. - We're moving fast, increasingly with AI-agentic development tools; you should have some hands-on experience with these tools and a genuine drive to go deeper. Show us what you've got. Send us a link to your GitHub profile, code samples, prompts, a vibe-coded job application, or whatever expresses your experience best! Qualifications - You've worked on larger backend systems in production and understand the complexity they bring. - You've worked in complex product domains and can ramp up quickly on business logic that isn't always obvious. - You're comfortable with event sourcing, event-driven architecture, or similar patterns. - You care about code quality: readable code, meaningful tests, and clean APIs. - You have some experience with AI-agentic development tools (Claude Code, Codex, or similar) and want to go deeper. Requirements - Language: Kotlin with coroutines - Framework: Custom, built around event sourcing - Billing: Stripe - Infrastructure: Heroku (migrating to Railway) - AI-agentic development: Claude Code with custom plugin - APIs: GraphQL Benefits - Up to 5,000 EUR/month (depending on experience) with employee equity participation through a vesting program - Fully remote, from anywhere in the world & live as a digital nomad if you want to - Flexible hours, startup atmosphere - Most of the team is in Europe and Southeast Asia, with a few hours of daily overlap around German business hours - Company-issued and managed MacBook, plus a desk in your favorite co-working space - 25 days paid annual leave - Regular team off-sites to connect in person

Title: Senior Software Engineer Location: United States Job Description: Department:Digital Development America’s Test Kitchen is seeking a high-impact Senior Software Engineer to help build and scale our world-class digital platforms. In this role, you will be a key contributor to our engineering team, responsible for designing, building, and maintaining complex features across our MarTech stack and ecosystem. The successful candidate is a seasoned developer who balances deep technical expertise with a pragmatic approach to problem-solving. You aren’t just writing code; you are ensuring technical excellence, mentoring fellow engineers, and helping us deliver a seamless digital experience to millions of home cooks. Core Responsibilities Technical Execution & Delivery: - Feature Ownership: Lead the development of complex, high-traffic features from concept to deployment, ensuring they are scalable, secure, and performant - Hands-on Development: Write clean, well-tested, and maintainable code across the full stack, setting a high bar for quality within the team - Code Quality: Participate in and lead rigorous code reviews, providing constructive feedback to maintain high engineering standards - System Reliability: Proactively identify and resolve performance bottlenecks and technical debt to ensure a seamless user experience Architecture & Design: - Solution Design: Collaborate with product managers and architects to design robust solutions for our CMS, subscription billing, and MarTech integrations - Best Practices: Champion modern engineering practices, including CI/CD, automated testing, and comprehensive documentation - Technology Advancement: Help evaluate new tools and frameworks that can improve our development velocity and system efficiency Collaboration & Mentorship: - Mentorship: Act as a technical resource for mid-level and junior developers, helping them grow their skills and navigate complex technical challenges without the tax of formal people management responsibilities - Cross-Functional Partnership: Work closely with Data & Marketing Technology teams to translate user needs into technical requirements and actionable sprint tasks Skills and Experience Required Technical Expertise: - Professional Experience: 6+ years of hands-on software development experience in a product-driven environment - Core Stack: Expert-level proficiency in Node.js, React, and Python. Familiarity with Java is a significant plus - Cloud & DevOps: Strong experience with AWS services, containerization (Docker/Kubernetes), and modern CI/CD pipelines - Web Fundamentals: Deep understanding of RESTful APIs, database design (SQL/NoSQL), and front-end performance optimization We recognize that strong candidates may not meet every qualification listed. If you’re excited about this role and believe you can contribute, we encourage you to apply. Problem Solving & Communication: - Analytical Thinking: Ability to debug complex, distributed systems and provide long-term solutions rather than quick fixes - Communication: Ability to explain technical trade-offs and architectural decisions to both technical teammates and non-technical stakeholders - Execution Mindset: Proven track record of delivering high-quality software on time in an agile environment Qualifications - Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience - Proven experience working on high-traffic, customer-facing web applications - A passion for continuous learning and a "test and learn" mindset Location: This role is based in our Boston, MA headquarters (Seaport District) or is open to qualified remote applicants. Salary Range: $130,000 to $150,000 The range provided is based on what we reasonably expect to pay for this job as of the time of posting. The actual salary offered will be determined based on multiple factors, including but not limited to the candidate’s relevant experience, job-related knowledge, skills, geographical location, and other job-related factors permitted by law. Why You’ll Love Working at America’s Test Kitchen - Build products used by millions of passionate home cooks - Work on a modern, evolving tech stack with real-world scale and complexity - Have meaningful influence on technical decisions without people-management overhead - Collaborate with thoughtful, mission-driven teammates across engineering, product, data, and marketing - Join a company that values experimentation, learning, and craftsmanship About America's Test Kitchen The mission of America's Test Kitchen (ATK) is to empower and inspire confidence, community, and creativity in the kitchen. Founded in 1992, the company is the leading multimedia cooking resource serving millions of fans with TV shows (America's Test Kitchen, Cook's Country, and America's Test Kitchen: The Next Generation), a magazine (Cook's Illustrated), cookbooks, a podcast (Proof), FAST channels, short-form video series, and the ATK Essential Membership for digital content. Based in a state-of-the-art 15,000-square-foot test kitchen in Boston's Seaport District, ATK has earned the trust of home cooks and culinary experts alike thanks to its one-of-a-kind processes and best-in-class techniques. Fifty full-time (admittedly very meticulous) test cooks, editors, and product testers spend their days tweaking every variable to find the very best recipes, equipment, ingredients, and techniques. Learn more at https://www.americastestkitchen.com/. Why America's Test Kitchen: We're passionate about cooking, and about creating the best place to work. We're small enough for your ideas to make a big impact, and large enough to offer you opportunities to grow professionally at any stage of your career. We want you to take risks and make mistakes — that's how innovation happens in our test kitchen, in our offices, and in life. We at America's Test Kitchen believe food media can be a powerful force for social change. We are passionate about building an inclusive workforce that represents many different cultures, backgrounds, abilities, identities, and perspectives. We welcome your application.