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Pear

Pear

via Wellfound

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Backend Engineer – API & Infrastructure

Anywhere
full-time
Posted 9/22/2025
Verified Source
Key Skills:
Node.js
REST/GraphQL APIs
OAuth
SQL & NoSQL (Postgres, Mongo)
AWS
Docker
Kubernetes
AI/ML workflows (bonus)
Third-party integrations

Compensation

Salary Range

$120K - 180K a year

Responsibilities

Build and maintain scalable backend services and API integrations for AI-powered social commerce SaaS with focus on security, scalability, and automation.

Requirements

4+ years backend experience with Node.js, cloud infrastructure, API integrations, system design, and security mindset, plus familiarity with SaaS scaling and DevOps.

Full Description

About Lumo Lumo is building the first AI native affiliate operating system for TikTok Shop the “Salesforce of social commerce.” We automate creator discovery, outreach, campaign management, and performance optimisation, turning them into one intelligent system that learns and scales with every campaign. Our mission: empower brands and agencies to run affiliate campaigns on autopilot, with AI handling the heavy lifting. Why Join Us? • Build the backbone of a category-defining SaaS in a fast-growing market. • Early hire = high ownership of architecture, stack, and culture. • Work directly with founders managing millions in GMV on TikTok Shop. • Tackle scaling and API fragmentation challenges in AI-driven commerce. The Role We’re hiring a Backend Engineer to own API integration and infrastructure. You’ll build systems powering Lumo’s core modules: Creator Radar, Outreach Automation, CRM, and Campaign Optimisation. Focus: technical execution, scalability, and backend robustness. What You’ll Do • Work with full stack, design, and QA to deliver features end-to-end. • Define backend services, data models, and third-party integrations (TikTok Shop, Kalodata, Gmail/Slack/Stripe). • Set engineering standards, CI/CD, and DevOps best practices. • Write clean, testable code; review and improve team contributions. • Design scalable data infrastructure with security, RBAC, and compliance. • Build AI-powered discovery (NLP, computer vision), outreach automation, and creator CRM workflows. • Develop conversational analytics with LLMs that translate natural language into queries and insights. • Implement campaign orchestration with A/B testing, performance tracking, and predictive analytics. Our Stack (current & planned) • Languages: Node.js (primary), Python (AI/ML), Go (select services) • Databases: Postgres + Redis; exploring Mongo/Firebase • Infra: AWS (Lambda, ECS, RDS), Docker, Kubernetes • Messaging: Kafka / RabbitMQ (planned) • Integrations: TikTok APIs, Kalodata, Gmail/Outlook, Slack, Stripe, Discord What We’re Looking For • 4+ years backend experience, strong in third-party integrations. • Skilled with REST/GraphQL APIs, OAuth, SQL & NoSQL (Postgres/MySQL/Mongo). • Cloud infra (AWS/GCP/Azure), Docker/Kubernetes. • Strong system design + SaaS scaling knowledge. • Security-first mindset. • Bonus: TikTok/e-commerce/social APIs or growth SaaS experience. Nice to Have • Familiarity with ML/AI workflows. • Startup/early-stage experience. • Passion for social commerce or creator economy. • Open-source contributions or personal projects. What We Offer • Competitive salary + meaningful equity. • Fully remote (London HQ available). • High autonomy, zero bureaucracy. • Path to Founding Engineer / Tech Lead roles. • Build infrastructure shaping the future of TikTok Shop growth. Our Culture • Bias for action: move fast, test, iterate. • Ownership: everyone is a builder. • Pragmatic excellence: ship fast without cutting security/compliance corners. • Collaboration: engineers, product, and design work as one team.

This job posting was last updated on 9/26/2025

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