Staff Backend Engineer

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Sequen

WebsiteLinkedInAll Job Openings

11 - 50 employees

☁️ SaaS

🤖 Artificial Intelligence

🤝 B2B

SaaS • Artificial Intelligence • B2B

Sequen is a platform company that provides real-time, in-session personalization and dynamic re-ranking infrastructure for consumer applications. The Sequen Ranking Platform combines ultra-low-latency runtime (advertised sub-20ms p99) with frontier AI techniques — including Large Event Models (LEMs), continual learning on dynamic user embeddings at inference, and multi-horizon optimization — to power adaptive product discovery, recommendations, search results and ad optimization. Sequen positions itself as a B2B SaaS provider for consumer-facing companies that want to drive higher conversion and better outcomes by using in-session signals and behavior to personalize each user’s experience.

📋 Description

• Build and scale robust, concurrent core platform components designed to handle Sequen's rapid growth and high transactional throughput. • Design and architect composable platform components that deliver exceptional value across a wide variety of enterprise use cases. • Partner closely with product and ML engineering teams to deeply understand their requirements and build platform capabilities that accelerate feature delivery. • Make critical build-versus-buy decisions, evaluating and implementing third-party or open-source solutions when they yield the highest strategic impact. • Define the long-term technical direction, standards, and vision for various product and platform features. • Collaborate closely with our ML research scientists to quickly prototype and launch new capabilities based on research breakthroughs.

🎯 Requirements

• Bring 8+ years of practical experience as a backend or platform engineer building highly performant, scalable distributed systems. • Possess an expert-level command of Go (Golang) as your primary programming language for building highly concurrent systems. • Demonstrate strong systems-level skills and extensive experience designing and operating complex service-oriented architectures. • Thrive in early-stage, fast-moving, or rapidly evolving environments, with a proven history of building and scaling systems from 0 to 1. • Take absolute accountability for your work, navigating ambiguity with agility and proactively resolving obstacles to deliver results. • Operate comfortably across any layer of the stack, diving into cloud infrastructure, core microservices, or developer tooling to deliver complete, effective solutions. • Enjoy working alongside a fast-paced, elite team tackling cutting-edge challenges at the intersection of systems engineering and AI ranking. • Approach platform engineering with a product-focused lens, caring deeply about building systems that are robust, highly scalable, and easy to use. • Hold a Bachelor’s degree in Computer Science, Software Engineering, or equivalent professional experience.

🏖️ Benefits

• Full health insurance coverage • Unlimited paid time off • Highly collaborative, world-class engineering culture