Company profile

Fliff Inc Tech Stack

Free-to-play social sports gaming app with rewards and promotions

Entertainment Providers Philadelphia 51–200 employees Founded 2019 Privately Held

Fliff runs a free-to-play social sports gaming app built on React Native for iOS and Android, backed by Python/Django, Kafka, Apache Flink and PostgreSQL on AWS. Streaming tools like Kafka and Flink plus Prometheus and Grafana point to real-time odds and event processing at consumer scale, and the active Kubernetes adoption matches an engineering-dominated, senior-heavy hiring push spread across the US and much of Europe.

Tech Stack 45 technologies

Core StackReact Native Redux Jest React Python Django Kafka Docker Kubernetes AWS PostgreSQL Prometheus Grafana Apache Flink Lever Rippling iOS Android Xcode Android Studio TestFlight React Native Debugger React Redux Reanimated Detox React Navigation OAuth 2.0 Discord asyncio Asyncio+15 more

AdoptingKubernetes

What Fliff Inc Is BuildingChallenges and projects from their job posts

◆Challenges

Delivering low-latency backend performance
Scaling backend to serve millions of users
Optimizing high-load systems
Scaling and tightening recruitment workflows
Improving financial system efficiency

▲Active Projects

High-performance distributed backend services
Fraud detection and prevention measures
API, data pipelines and message brokers
System observability and monitoring
Community events and promotions

Hiring Activity

Steady50 roles · 3 in 30d

Department

Engineering

Marketing

Finance

Ops

Product

Seniority

Senior

Mid

Junior

Lead

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About Fliff Inc

Fliff Inc is a Philadelphia-based, privately held company founded in 2019 with 51–200 employees. It operates a social sports gaming product that blends elements of fantasy sports, sports betting and social play into a free experience. Users engage with games tied to live sports, supported by loyalty rewards and promotional mechanics. The company sells directly to consumers through its mobile apps on iOS and Android, and recruits talent in the United States and across numerous European countries including Bulgaria, Poland, Romania and Spain.

HeadquartersPhiladelphia

Company Size51–200 employees

Founded2019

Hiring MarketsUnited States, Bulgaria, Italy, Germany, Hungary, Slovenia, Lithuania, Latvia

Frequently Asked Questions

What tech stack does Fliff use?

Fliff builds mobile apps with React Native, Redux and Reanimated, and runs a backend on Python, Django, Kafka, Apache Flink and PostgreSQL on AWS, with Docker, Kubernetes, Prometheus and Grafana for operations.

Is Fliff hiring engineers?

Yes. Engineering dominates Fliff's open roles, skewed toward senior and mid-level hires focused on low-latency, distributed backend systems serving millions of users.

What countries does Fliff hire in?

Fliff hires in the United States and across Europe, including Bulgaria, Italy, Germany, Hungary, Poland, Romania, Serbia, Spain, the Netherlands, Czechia, the Baltics and more.

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How this profile is built

Fliff Inc's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.