Senior Growth Full-Stack Engineer - Remote US at Seamless.AI

United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

SaaS, TechnologyIndustries

Requirements

5+ years of experience as a full-stack engineer (startup or growth-focused environment preferred) with SaaS product
Strong proficiency in modern JavaScript/TypeScript (React.js, Node.js)
Proficiency with modern database technologies (PostgreSQL, Vector DBs, OpenSearch, DynamoDB)
Proficiency with Cloud architecture and scalability best practices, in particular AWS (Lambda, serverless, cloud-native services)
Hands-on experience with A/B testing platforms (GrowthBook, Optimizely, LaunchDarkly, etc.)
Familiarity with feature flag systems and controlled experiment rollout strategies
Experience with product analytics tools (Amplitude, Segment, Tableau)
Ability to translate growth hypotheses into technical experiments quickly and iteratively
Strong data-driven mindset with the ability to evaluate experiment outcomes statistically
Comfortable working in fast-moving, cross-functional growth teams
Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)
Proven experience delivering full-stack features and experiment infrastructure in a fast-paced environment
Demonstrated ability to collaborate across engineering, product, and growth teams
Strong problem-solving and analytical skills with a data-first approach
Authorized to work in the U.S. (no visa sponsorship available)
Preferred
Background in PLG, growth engineering, activation, or onboarding-focused roles
Experience with event-driven architecture and scalable systems
Familiarity with in-app education & onboarding tooling (e.g., Userflow)
Familiarity with Pinecone and LLMs
Experience building SaaS applications in the B2B or productivity space

Responsibilities

Collaborate with growth, product, and data teams to design and implement A/B tests and growth experiments focused on user activation
Build, deploy, and maintain full-stack features and experiment infrastructure (frontend + backend)
Implement and manage feature flagging systems to enable rapid testing and controlled rollouts
Work with GrowthBook (or similar experimentation platforms) to set up, track, and analyze experiments
Instrument and track user behavior in Amplitude and other analytics platforms to generate insights
Write clean, scalable, and maintainable code across the React frontend and Node.js backend
Monitor and evaluate experiment outcomes, providing actionable insights and recommendations
Balance speed of experimentation with engineering best practices, ensuring quality while moving quickly

Skills

React

Node.js

TypeScript

JavaScript

PostgreSQL

DynamoDB

OpenSearch

AWS

AWS Lambda

GrowthBook

Amplitude

A/B Testing

Feature Flagging

Seamless.AI

Real-time B2B sales lead generation platform

About Seamless.AI

Seamless.AI provides a real-time search engine that helps businesses generate B2B sales leads. The platform allows users to find and connect with their ideal customers, which aids in building a sales pipeline and shortening the sales cycle. By integrating with popular CRM and engagement tools like Salesforce and Hubspot, Seamless.AI eliminates manual data entry, enhancing productivity for sales professionals. Unlike many competitors, Seamless.AI focuses on delivering high-quality sales intelligence, which has earned it recognition as a top sales platform. The company's goal is to help businesses improve their lead generation and significantly increase their profits through effective use of its platform.

Worthington, MinnesotaHeadquarters

2018Year Founded

$73.2MTotal Funding

SERIES_ACompany Stage

Data & Analytics, Enterprise SoftwareIndustries

201-500Employees

Benefits

Remote work

PTO

Health benefits

401k

Sales commission

Professional development

Risks

Emerging AI-driven sales platforms could threaten Seamless.AI's market share.

Integration of AI in CRMs may reduce the need for third-party solutions like Seamless.AI.

Data privacy regulations like GDPR and CCPA could impact Seamless.AI's data collection.

Differentiation

Seamless.AI offers real-time B2B sales lead generation, enhancing sales pipeline efficiency.

The platform integrates with major CRMs like Salesforce and Hubspot, boosting productivity.

Seamless.AI's Buyer Intent feature leverages data from 5,000+ websites for better lead scoring.

Upsides

Increased demand for AI-driven sales tools optimizes remote sales processes.

Adoption of AI in sales is expected to grow by 30% annually, boosting Seamless.AI's market.

Expansion of SaaS platforms in emerging markets offers new opportunities for Seamless.AI.

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