Note: The job is a remote job and is open to candidates in USA. Gumball Digital is a performance marketing company that builds and operates consumer-focused digital brands. They are seeking a Senior Full-Stack & Platform Engineer to own the entire technology platform, responsible for applications, data platforms, and infrastructure that drive revenue.
Responsibilities
- Own the entire technology platform of a lean, profitable, high-traffic performance marketing business
- You’ll be responsible for the applications, data platform, and infrastructure that generate revenue every day, with the autonomy to make it faster, more reliable, and easier to scale
- You’ll be the technical owner of our production platform from end to end
- You’ll build new features while keeping the platform fast under real production traffic, including: Real-time offer serving, Lead capture, Event tracking, Customer-facing web experiences
- Own our high-traffic PostgreSQL database (Supabase, currently ~50GB and growing)
- Responsibilities include: Schema design, Query optimization, Index strategy, Performance tuning, Database reliability
- A single missing database index recently cost us thousands of dollars per day. We want someone who proactively owns performance before it becomes a business problem
- Own the production environment. This includes: AWS EC2, Linux servers, Deployments, Monitoring, Logging, Observability, Performance, Uptime
- Maintain and improve integrations with systems including: Everflow, TrustedForm, IPQS, Google APIs, Tracking pixels and postbacks, Internal AI tooling (our OpenClaw-based AI agent, Zelda)
- You’ll be expected to quickly become the technical owner of the platform
- Success looks like: Learning the complete survey → offer → revenue pipeline, Becoming the go-to technical owner of the production platform, Implementing meaningful monitoring and alerting for database and application health, Shipping at least one customer-facing feature, Delivering measurable improvements in reliability or performance
Skills
- 7+ years building and owning production web applications
- Extensive PostgreSQL experience including indexing, query optimization, schema design, and troubleshooting under load
- Strong AWS, EC2, Linux, and production operations experience
- Experience with Node.js, TypeScript, Python, and modern JavaScript front-end frameworks
- Strong API and systems integration experience
- Experience building observable, reliable production systems
- Comfortable owning systems independently in a small remote company
- Excellent communication skills and a high level of accountability
- Performance marketing
- Affiliate marketing
- AdTech
- Lead generation
- Offer serving
- Attribution systems
- TrustedForm or consent platforms
- High-volume web applications
- AI-assisted software development
- Modern CI/CD
- Observability and production monitoring
- Taking legacy codebases from 'working' to 'well engineered'
Company Overview