Weekday AI (YC W21)

𝗧𝗵𝗶𝘀 𝗿𝗼𝗹𝗲 𝗶𝘀 𝗳𝗼𝗿 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗲𝗲𝗸𝗱𝗮𝘆'𝘀 𝗰𝗹𝗶𝗲𝗻𝘁𝘀
𝗦𝗮𝗹𝗮𝗿𝘆 𝗿𝗮𝗻𝗴𝗲: 𝗥𝘀 𝟳𝟬𝟬𝟬𝟬𝟬𝟬 - 𝗥𝘀 𝟭𝟮𝟬𝟬𝟬𝟬𝟬𝟬 (𝗶𝗲 𝗜𝗡𝗥 𝟳𝟬-𝟭𝟮𝟬 𝗟𝗣𝗔)
Experience: 9+ yrs
Location: Bengaluru, Karnataka, India
Job Type: Full-time
We are looking for an exceptionally strong
Senior Systems Architect
with deep expertise in high-performance application architecture, cross-platform engineering, real-time data processing, and graphics rendering. The ideal candidate will have experience building latency-sensitive applications where performance, responsiveness, and reliability are critical, preferably within the
gaming industry
or other performance-intensive domains such as financial trading, real-time analytics, or interactive applications.
This role requires a combination of systems-level thinking, advanced programming skills, and a strong understanding of modern web and mobile rendering technologies. You will architect shared, high-performance client-side systems across web, native mobile, and cross-platform frameworks, ensuring consistent functionality and exceptional responsiveness across platforms.
Requirements
Key Responsibilities
<ul>
<li>Architect a unified cross-platform client-side system that shares core business logic, order-book management, and binary data parsers across web, native mobile, Flutter, and React Native</li>
<li>Design high-performance data ingestion pipelines for WebSocket streams using binary protocols such as Protocol Buffers, FlatBuffers, and Simple Binary Encoding (SBE)</li>
<li>Implement zero-copy data processing techniques to minimise memory allocations, data copying, and processing latency</li>
<li>Move intensive parsing and data-processing operations off the main UI thread using Web Workers, native background threads, and Dart Isolates</li>
<li>Design hardware-accelerated charting, graphics, and order-book rendering systems using Canvas, WebGL/WebGPU, Flutter Impeller/Skia, and native graphics APIs such as Metal and Vulkan</li>
<li>Optimise rendering pipelines to achieve consistent, low-latency performance, targeting 120 FPS where supported by the platform and hardware</li>
<li>Identify and eliminate performance bottlenecks, including garbage-collection pauses, UI thread blocking, excessive memory allocation, and dropped frames</li>
<li>Apply memory pooling, lock-free data structures, concurrency patterns, and efficient resource management techniques</li>
<li>Establish performance benchmarks, profiling practices, and automated testing to validate responsiveness, stability, and scalability across devices</li>
<li>Lead architecture reviews, define engineering standards, and guide teams in implementing maintainable, high-performance systems</li>
<li>Collaborate with product and engineering stakeholders to translate demanding functional requirements into robust technical solutions</li>
<li>Continuously evaluate emerging technologies and optimisation techniques across web, mobile, graphics, and systems programming</li>
</ul>
What Makes You a Great Fit
<ul>
<li>9+ years of software engineering experience, including substantial experience designing high-performance applications or complex client-side systems</li>
<li>Experience in the gaming industry is strongly preferred, particularly in real-time rendering, graphics optimisation, game engines, or performance-critical applications</li>
<li>Strong understanding of cross-platform architecture spanning web, native iOS/Android, and frameworks such as Flutter or React Native</li>
<li>Hands-on experience with WebAssembly, Web Workers, JavaScript/TypeScript, Dart, or native mobile development</li>
<li>Strong knowledge of streaming architectures, WebSockets, binary protocols, and efficient data-processing pipelines</li>
<li>Experience with zero-copy processing, memory pooling, concurrency, multithreading, and lock-free programming techniques</li>
<li>Practical experience with graphics rendering technologies such as WebGL, WebGPU, Canvas, Skia, Impeller, Metal, or Vulkan</li>
<li>Proven ability to profile and optimise CPU, memory, rendering, and network performance in latency-sensitive applications</li>
<li>Strong understanding of garbage collection, memory allocation, thread scheduling, and platform-specific performance constraints</li>
<li>Experience building responsive, real-time interfaces that handle high-frequency data updates without compromising usability</li>
<li>Excellent architectural judgement, debugging skills, and the ability to solve complex systems-level engineering problems</li>
<li>Strong communication and technical leadership skills, with the ability to guide engineering teams and drive architectural decisions</li>
<li>A strong focus on performance measurement, engineering precision, reliability, and continuous optimisation</li>
</ul>

Principal Frontend Architect

Principal Frontend Architect

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