Tech Lead, Infrastructure

🕒 March 4

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Lightfield

WebsiteLinkedInAll Job Openings

11 - 50 employees

☁️ SaaS

🤝 B2B

🤖 Artificial Intelligence

SaaS • B2B • Artificial Intelligence

Lightfield is an AI-powered CRM platform that creates continuous, complete customer memory by automatically capturing and losslessly storing every interaction — meetings, emails, support tickets, and product analytics — to keep records up to date, prepare for meetings, and automate follow-up. Its advanced algorithms analyze patterns across structured CRM objects and unstructured conversations, generate grounded answers to natural-language queries, and automate workflows to boost productivity and inform product and go-to-market decisions.

📋 Description

• Own and improve the reliability and performance of Lightfield’s infrastructure as customer scale accelerates • Lead efforts to reduce database latency and optimize Postgres performance for large, high-volume workloads • Strengthen operational maturity across the stack, including observability, incident response, and production readiness • Build scalable systems and infrastructure patterns to support larger customers and increasing usage • Partner closely with product and engineering leadership to prioritize the most critical infrastructure work at each stage of growth • Help define the the longer-term infrastructure roadmap, with the opportunity to influence future team shape over time

🎯 Requirements

• 8–12+ years of experience building and scaling infrastructure and production systems in high-growth environments • Deep expertise in infrastructure-heavy engineering (SRE, reliability, performance, scaling) rather than data pipeline–focused roles • Strong hands-on coding ability and comfort owning critical systems end-to-end • Experience with Postgres performance tuning, query optimization, and scaling database-backed applications • Strong operational instincts: monitoring, on-call practices, debugging, and systems-level problem solving • Product-oriented mindset — motivated by customer-facing performance and real-world reliability • Comfort operating in ambiguity at an early-stage company, where priorities evolve quickly and ownership is high

🏖️ Benefits

• Competitive salary • Meaningful early equity • Health insurance (medical, dental, vision) • 3 weeks of PTO • 11 paid company holidays + we enjoy a winter holiday break • 3 months of paid family leave • Wednesdays work from home • Regular team dinners, events, offsites, and retreats • 401k plan • Other perks include: commuter and lunch stipend