Jobgether
Senior Software Engineer (Agentic Search) – Web Rendering Engineer
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Senior Software Engineer (Agentic Search) – Web Rendering Engineer
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer (Agentic Search) – Web Rendering Engineer based in United Kingdom.
This is a senior engineering opportunity focused on building the rendering infrastructure that powers next-generation agentic search and AI systems. You will design and operate systems that transform modern, dynamic web applications into high-quality structured content for search and real-time reasoning. The role sits at the intersection of browser technology, distributed infrastructure, JavaScript execution, and large-scale content processing. You will tackle challenges involving billions of pages while balancing rendering quality, throughput, latency, resource utilization, and cost. Your work will directly enable AI agents to reliably access and understand information from the modern web. This role offers significant ownership within a small, highly technical, AI-native engineering environment.
Accountabilities:
- Design and build large-scale rendering systems capable of processing modern web applications at internet scale.
- Develop reliable browser-based infrastructure capable of executing complex JavaScript applications and accurately capturing rendered content.
- Research how modern frontend frameworks render and deliver content across different architectures and execution environments.
- Improve rendering quality, completeness, reliability, and performance across a wide range of websites.
- Optimize rendering infrastructure for cost, latency, resource utilization, throughput, and scalability.
- Investigate browser rendering behavior, page readiness, resource loading, and dynamic content execution.
- Translate research and experimentation into reliable, maintainable production systems.
- Help address large-scale infrastructure challenges including bursty workloads, caching, multi-region systems, and millions of daily requests.
- Take end-to-end ownership of rendering infrastructure and contribute to technical decisions across the system.
- Collaborate with engineering teams to ensure rendering capabilities reliably support agentic search and AI workloads.
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Requirements:
- 5+ years of professional software engineering experience working on production backend, infrastructure, or distributed systems.
- Deep expertise in several areas of browser rendering and modern web infrastructure.
- Strong understanding of the Chromium rendering pipeline, including DOM, Layout, Paint, and Compositing.
- Strong knowledge of JavaScript execution within browsers, rendering lifecycles, and page readiness mechanisms.
- Experience with headless browser execution, browser instrumentation, and Chrome DevTools Protocol (CDP).
- Hands-on experience with Playwright, Puppeteer, Selenium, or comparable browser automation frameworks.
- Strong understanding of modern frontend architectures and frameworks such as React, Vue, Angular, or Svelte.
- Experience with server-side rendering, client-side rendering, streaming rendering, single-page applications, or progressive web applications.
- Understanding of resource loading, lazy loading, modern JavaScript bundles, and dynamic data delivery.
- Experience designing and operating high-throughput content processing pipelines at internet scale is highly valuable.
- Strong knowledge of distributed systems design and performance optimization.
- Open-source contributions, engineering community involvement, conference presentations, or technical publications are a plus.
- Strong problem-solving skills and the ability to work independently on complex infrastructure challenges.
- Willingness to participate in coding interviews as part of the hiring process.
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Benefits:
- Remote opportunity for candidates based in the United Kingdom.
- High degree of ownership over critical rendering infrastructure.
- Opportunity to work on real-world internet-scale challenges involving millions of daily requests and bursty workloads.
- Exposure to multi-region infrastructure, caching, performance optimization, and large-scale content processing.
- Opportunity to build infrastructure directly powering AI agents and agentic search applications.
- Small, highly technical engineering environment with broad responsibility and impact.
- Opportunity to work at the intersection of AI, browser technology, distributed systems, and modern web infrastructure.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
Why Apply Through Jobgether?
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
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