Fireworkhq1mo ago

Staff Backend Software Engineer

Hong Konglead

Backend EngineeringSoftware EngineerSoftware Engineering

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About Firework Join Firework – Where Innovation Meets Impact Firework is redefining the future of commerce as an AI and video commerce company — combining cutting-edge technology,

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Backend EngineeringSoftware EngineerSoftware Engineering

Join Firework – Where Innovation Meets Impact

Firework is redefining the future of commerce as an AI and video commerce company — combining cutting-edge technology, an exclusive network of enterprise brands and retailers, and a first-mover position to win the agentic commerce race.

We've built the world's most advanced and largest video commerce platform, trusted by global brands and leading retailers. But we're more than software — our compounding network effect grows stronger with every partner we add, bringing the energy of in-store experiences online and transforming how businesses engage, convert, and build lasting customer relationships at scale.

Having raised over $235M to date, led by investors such as SoftBank Vision Fund 2, and operating at global scale, we offer unparalleled opportunities to solve complex challenges and drive meaningful impact in the future of connected commerce.

If you're curious, ambitious, and energized by big ideas — Firework is the place to grow, lead, and shape what comes next. Together.

Our Engineering team is growing! We’re seeking a skilled Staff Backend Engineer to join our global team, bring technical expertise and leadership along with hands-on development of backend software development.

Partner closely with product managers, designers, and engineering teams to translate product vision into robust technical solutions

Design and build scalable APIs using the Elixir Phoenix framework that power our core products and services

Architect efficient data models and write optimized PostgresQL and Cassandra queries, creating high performance indexes to support large-scale data workloads

Working with in-memory data stores, such as Redis, to improve scalability and responsiveness

Lead complex debugging and incident resolution across the entire stack using logging and monitoring tools

Guide and mentor engineers through thoughtful code reviews, sharing expertise and helping elevate the team’s technical capabilities

Drive improvements to engineering standards, tooling, and processes

Ensure coherence of all aspects of projects as an integrated system and uphold overall technical quality

Contribute to technical strategy by identifying opportunities for new programs, products, or features by monitoring industry developments and trends

Help define and evolve development practices, including technology choices, architectural patterns, workflows and coding standards to support a high-performing engineering organization

Bachelor’s degree in computer programming, computer science, or a related field; advanced degree is a plus

6+ years of experience with Elixir designing and building high-performance RESTful web services serving billions of requests per day

High-level experience with SQL infrastructure and data modeling

Comfortable with change: ability to demonstrate comfort with ambiguity, adapt quickly and be effective in new situations in a highly dynamic setting

Data-driven but also imaginative and intuitive in coming up with ideas and solutions

Must possess a start-up mindset: hunger to learn quickly and the ability to balance multiple priorities in a fast-paced team environment

Experience with GoLang or Python

Expertise with video streaming libraries such as FFmpeg or GStreamer

Experience working with video/audio codecs

Experience working with live streaming encoders and WebRTC

Experience working with AI/ML models and applications

Experience in building large-scale applications with Python