Software Engineer, Growth Infrastructure

Replit3 months ago

Location

Foster City, CA (Hybrid) In office M,W,F

Type

Full Time

Salary

USD 180,000 – 290,000

Level

Mid

Role

Backend Engineer

Posted

Jan 29, 2026

Full TimeMid

The role

Summary

Replit seeks a Growth Infrastructure Engineer to build scalable systems powering growth experiments and data pipelines for their agentic software creation platform with 250M+ users. This role combines backend engineering with growth optimization, requiring expertise in Python/Go/JavaScript, cloud infrastructure, and A/B testing frameworks.

What you'll do

Growth Infrastructure Design: Design, implement, and maintain scalable infrastructure that supports growth and experimentation needs across millions of users

Analytics Pipeline Development: Build and optimize analytics pipelines to capture key product and growth metrics including acquisition, activation, and retention

Automated Workflow Creation: Develop automated workflows for user onboarding, campaign delivery, and performance tracking systems

A/B Testing Framework Support: Support A/B testing frameworks and integrate them into production systems for reliable experimentation

Data Collection Architecture: Enable reliable data collection and evaluation infrastructure for growth experiments and business intelligence

Feature Flag Automation: Automate deployment and rollout of growth feature flags and tests across multiple environments

Cross-Functional Technical Leadership: Partner with Growth Product Managers, Data Engineers, and Analysts to define technical requirements for growth initiatives

Business-Technical Translation: Translate business goals into technical specifications and system designs that scale efficiently

Performance Optimization Guidance: Provide guidance on performance, reliability, and scalability trade-offs for growth infrastructure decisions

Production Monitoring: Implement monitoring and alerting for growth infrastructure services to ensure high availability

System Troubleshooting: Troubleshoot production issues and optimize for uptime and performance across distributed systems

Data Quality Assurance: Ensure data quality and consistency for reporting and decision-making processes

Technology Evaluation: Evaluate new tools, frameworks, and platforms that accelerate growth engineering capabilities

Best Practices Implementation: Drive best practices in infrastructure as code, CI/CD, and automated testing methodologies

Team Mentorship: Train and mentor teammates on growth infrastructure principles and technical excellence

What we look for

Technical

Backend Development3+ years of experience building backend or infrastructure-focused services at scale

Programming LanguagesStrong programming skills in Python, Go, or JavaScript for infrastructure development

Cloud Platform InfrastructureExperience with cloud platforms such as AWS, GCP, or Azure for scalable system deployment

Data Pipeline ArchitectureSolid understanding of data pipelines, ETL processes, and database systems for analytics

CI/CD SystemsExperience with continuous integration and deployment systems for automated software delivery

Infrastructure as CodeProficiency with Infrastructure as Code tools like Terraform or CloudFormation

Experimentation PlatformsExperience with experimentation platforms such as StatSig, Segment, LaunchDarkly, or custom solutions

Education

Bachelor's DegreeBachelor's degree in Computer Science, Software Engineering, or related technical field

Experience

Backend Infrastructure ExperienceMinimum 3 years of hands-on experience building and maintaining backend or infrastructure-focused services

Production System ManagementExperience managing production systems with high availability and performance requirements

Cross-functional CollaborationExperience working with product, data, and analytics teams in a collaborative environment

Skills

Required skills

Python ProgrammingAdvanced proficiency in Python for backend service development and automation

Go ProgrammingStrong Go programming skills for high-performance infrastructure components

JavaScriptSolid JavaScript knowledge for full-stack development and pipeline automation

Cloud InfrastructureHands-on experience with AWS, GCP, or Azure cloud platforms

Data Pipeline DevelopmentETL process design and implementation for analytics infrastructure

Database ManagementSQL and NoSQL database design, optimization, and maintenance

Infrastructure as CodeTerraform, CloudFormation, or similar IaC tools for automated provisioning

CI/CD ImplementationContinuous integration and deployment pipeline design and maintenance

Experimentation SystemsA/B testing platform integration and statistical experimentation frameworks

Nice to have

Growth Metrics AnalyticsFamiliarity with growth metrics and product analytics tools like Amplitude

A/B Testing System DesignExperience designing and scaling A/B testing systems and feature flag orchestration

Container OrchestrationProficiency with Docker and Kubernetes for scalable application deployment

Distributed SystemsUnderstanding of distributed system architecture and microservices patterns

Observability ToolsKnowledge of monitoring and observability platforms like Datadog for system insights

Growth EngineeringPrevious experience in growth engineering roles with focus on user acquisition and retention

Statistical AnalysisUnderstanding of statistical methods for experiment design and data analysis

Performance OptimizationSystem performance tuning and optimization for high-traffic applications

Compensation & benefits

Salary

USD 180,000 – 290,000 (annual)

Stock options

Available

Benefits

Competitive Salary & Equity

Market-competitive compensation package with equity participation in company growth

401(k) Program

Retirement savings plan with 4% company matching contribution

Health Insurance

Comprehensive health, dental, vision, and life insurance coverage

Disability Insurance

Short-term and long-term disability coverage for income protection

Paid Leave

Paid parental, medical, and caregiver leave for life events and family care

Commuter Benefits

Transportation assistance for commuting to Foster City office

Wellness Stipend

Monthly allowance for health and wellness activities

Autonomous Work Environment

Flexible work style with hybrid office arrangement

Office Setup Reimbursement

Financial support for home and in-office workspace setup

Flexible Time Off

Unlimited PTO policy plus company holidays for work-life balance

Team Gatherings

Quarterly team events and collaboration opportunities

Office Amenities

Fully equipped Foster City office with comprehensive amenities

Interview process

1
Initial Phone Screen — 30-45 minute conversation with recruiter covering background, motivation, and basic technical experience
2
Technical Phone Interview — 60-minute technical discussion focusing on system design, infrastructure experience, and growth engineering concepts
3
Technical Deep Dive — 90-minute session covering data pipeline architecture, A/B testing systems, and scalability challenges
4
System Design Interview — 75-minute system design session focused on growth infrastructure and experimentation platform architecture
5
Cross-Functional Collaboration — 45-minute behavioral interview assessing collaboration with product, data, and analytics teams
6
Final Interview Panel — 60-minute panel with senior engineers and growth team members covering technical leadership and culture fit