Full Stack Engineer

Lilo Social is a full-funnel eCommerce growth agency specializing in acquisition and retention for direct-to-consumer brands. With a team of over 50 professionals, we deliver best-in-class paid media, email marketing, and creative services to help brands scale profitably. We work across the entire customer lifecycle—from content creation and paid advertising to conversion rate optimization and retention marketing.

Our partnership-first approach has earned us a 90% client retention rate and recognition as an Inc. 5000 honoree for three consecutive years (2023, 2024, 2025). We are proud to be a Klaviyo Master Elite Agency, a distinction held by only 0.2% of Klaviyo's 6,500+ partners. To date, we have driven billions of dollars in attributed revenue for our partners.

As a Full Stack Engineer at Lilo Social, you will build the internal tools and AI-powered systems that enable our team to scale efficiently and deliver exceptional results for clients. You will own projects end-to-end, from identifying workflow bottlenecks to shipping solutions that save hours of manual work across our media buying, creative, and retention teams. This is a ground-floor opportunity to shape how a high-growth performance marketing agency operates through custom software, intelligent automation, and strategic technical leadership.

What success looks like:

• Internal tools that measurably increase team efficiency and reduce manual work across departments
• AI-powered features successfully integrated into daily workflows, driving automation and insights
• High adoption rates of your solutions across media buyers, strategists, and creative teams
• Continuous iteration based on team feedback, with regular feature releases that address evolving needs

• Build internal dashboards and tools that help media buyers and strategists manage client accounts more efficiently
• Develop AI-powered features using large language models (LLMs) to automate creative analysis, campaign reporting, and workflow tasks
• Create integrations with advertising platforms including Facebook Ads API, Google Ads API, and other marketing technology tools
• Design and maintain databases to aggregate performance data across clients and enable cross-account insights
• Work directly with media buyers, strategists, and creative team members to understand pain points and build solutions
• Own the full development lifecycle for internal projects including scoping, technical design, implementation, deployment, and ongoing iteration
• Implement authentication, permissions, and security best practices for internal tools handling client data
• Build APIs and backend services to support internal applications and integrate with third-party platforms
• Deploy and manage applications in cloud environments with appropriate monitoring and error handling
• Document technical specifications, APIs, and system architecture for team reference
• Stay current on AI/ML developments and identify opportunities to incorporate new capabilities into internal tools
• Collaborate with leadership on technical roadmap and prioritization of internal tool development

• 3+ years of professional experience building web applications with React, Next.js, or similar modern frontend frameworks
• 3+ years of backend development experience with Node.js, Python, or similar server-side technologies
• Strong proficiency in TypeScript and modern JavaScript development practices
• Solid understanding of SQL and experience designing relational database schemas (PostgreSQL, MySQL, or similar)
• Experience building and consuming RESTful APIs and working with third-party integrations
• Comfortable deploying and managing applications in cloud environments such as AWS, Google Cloud Platform, or Azure
• Strong problem-solving skills and ability to independently scope and deliver projects from concept to production
• Excellent communication skills and ability to translate technical concepts for non-technical stakeholders

• Experience building with large language models and AI APIs including OpenAI, Anthropic Claude, or similar platforms
• Familiarity with advertising platform APIs such as Shopify API, Meta API, Google Ads API, TikTok Ads API, or Klaviyo API
• Experience at a marketing agency, DTC brand, or high-growth startup environment
• Knowledge of data visualization libraries and dashboard building (Chart.js, D3.js, Recharts, or similar)
• Experience with workflow automation tools, internal tool development, or building operational software

• 401(k) Retirement Plan: Fully customizable 401(k) with up to 4% company match
• Comprehensive Health Coverage: Fully-covered medical, dental, and vision insurance
• Generous Time Off: Competitive PTO policy and paid holidays to maintain work-life balance
• Wellness Benefits: Complimentary Headspace subscription and fitness stipend
• Fully Remote: Work from anywhere with flexible hours and a distributed team culture
• Technology Supplied: Equipped with the latest laptop and necessary tools for success
• Professional Development: Opportunities for growth, training, and expanded responsibilities
• Compensation: Competitive salary commensurate with experience.