--- title: 'Staff Backend Software Engineer at Firework' canonical: 'https://feeny.ai/job/staff-backend-software-engineer-firework-hong-kong-7z8260ghy2sq' type: 'job' last_seen: '2026-11-04' --- # Staff Backend Software Engineer at Firework - **Company:** Firework - **Location:** Hong Kong - **Work type:** hybrid - **Posted:** 2026-03-20 - **Last confirmed live:** 2026-11-04 - **Apply:** https://jobs.lever.co/fireworkhq/cd4db461-8164-4e3d-b0ab-173a297351a8 ## Job description ## 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, 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. Summary 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. ## What you’ll be doing - 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 We’ll be excited if you have - 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 A BIG PLUS if you have - ## 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 - ## Experience writing GraphQL queries and mutations Locations The role is hybrid and we are looking for candidates in China and Hong Kong. Candidates outside the location are encouraged to apply though must be willing to relocate. Don’t hold back We understand some candidates may see the above and not apply because they don’t meet all the qualifications. We encourage you to apply anyway; we often find talented candidates that fit many other opportunities we have and look for potential too, not just what you did in the past.  As an equal employment opportunity employer, we are a diverse team that strives for an inclusive environment for all. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, age, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. ## About Firework ## Company Overview - **One-liner**: Firework is a video commerce platform that helps brands source, curate, and syndicate shoppable video content across their websites, apps, and email to drive engagement and conversion. - **Entity Type**: Private (venture-backed; has raised 8+ funding rounds including Series B) - **Headquarters**: San Mateo, California, United States - **Founded**: 2017 (originally operating as Loop Now Technologies, Inc.) - **Founders**: Vincent Yang (CEO) and Jerry Luk (COO) ## Core Business - **Primary industry**: Video Commerce / Marketing Services / E-commerce enablement - **Target customers**: B2B — enterprise retailers, DTC brands, and global brand marketers (1,500+ brands including top retailers) - **Mission/purpose**: "Revolutionizing commerce by bringing the power of video to every digital experience, fostering deeper human connections between brands and shoppers" — and helping "every brand own its story and convert every moment into a meaningful interaction through an immersive omnichannel video experience." ## Products & Services - **AI Video Solutions**: An all-in-one platform for shoppable video, video showrooms, and AI Content Solutions that source authentic influencer, UGC, and social-native content — plus AI-generated, commerce-ready video. Deployed across homepage, product pages, and landing pages. - **AI Agentic Solutions / AI Shopping Agent**: A contextual, real-time AI shopping assistant that interprets shopper intent, delivers personalized answers, and guides users alongside shoppable video throughout the purchase journey. - **Video Showrooms**: Live and pre-recorded virtual showroom experiences designed for DTC sites and retailer platforms. - **Email Video Embedding**: Curated video embedded directly into email campaigns to increase click-through rates. - **In-App Video**: Mobile app video integration for guided discovery, purchase, and loyalty journeys. - **AI Livestream Commerce**: Live shopping solutions (evidenced by open roles for AI Livestream Specialist in multiple regions). ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metric**: **Total funding — $270.3M** raised across 8 rounds per LinkedIn; company materials state "over $250M in capital raised" (conflicting reports — company website lower than LinkedIn-derived figure) - **Notable Investors/Partners**: SoftBank Vision Fund (led $150M Series B, May 2022), IDG Capital (led Series A, 2018); additional venture rounds from undisclosed investors - **Growth Signals**: - Trusted by **1,500+ leading global brands** (homepage/careers page) or **500+ top retailers & brands** (about-us page — conflicting reports) - Platform metrics: **300M+** video views/engagements and **2.0 Trillion+** cumulative commerce/media impressions - **300+ employees** (company website) vs. **160 employees** per LinkedIn (-4.4% YoY — conflicting reports; LinkedIn likely undercounts contractors/global staff) - Workforce distributed across **26 countries** with 6 offices: San Mateo (HQ), New York, Toronto, London, Hong Kong, Tokyo - **80% yearly LinkedIn follower growth** on the company page (53,540 followers, +79.8% YoY), signaling strong employer-brand momentum ## Competitive Advantages - **Full-stack video commerce infrastructure**: Combines content sourcing, AI generation, shoppable video, conversational AI, and analytics in a single enterprise-grade platform — versus point solutions that only handle one slice. - **First-mover scale in shoppable video**: 1,500+ brand deployments give network effects and category-defining data on what converts. - **Owned-channel/customer-data control**: Unlike walled-garden social platforms, Firework lets brands keep video experiences on their own sites/apps and retain first-party customer data. - **AI-native roadmap**: The AI Shopping Agent + AI content generation layer creates a compounding differentiation as commerce shifts to conversational, agentic shopping. - **Global, decentralized operating model**: A 26-country distributed team enables 24/7 coverage and localized content operations for enterprise clients. ## Strategic Focus - **Pioneering agentic commerce**: Scaling AI Shopping Agents that combine conversational intelligence with personalized video delivery to move shoppers from discovery to purchase. - **Omnichannel expansion**: Extending video commerce beyond DTC websites into retailer platforms, mobile apps, and email. - **Global growth**: Hiring enterprise account executives and AI livestream specialists for Hong Kong/Greater China, the Middle East, and across APAC — signaling international go-to-market expansion. - **Diversity & inclusion as a growth lever**: The "Don't Hold Back" initiative with "clear, actionable goals" to champion D&I across all levels and functions. ## Why Work Here - **Culture**: The team describes itself as "lifelong learners, creators, entrepreneurs, storytellers, and data geeks" — a builder-led, fast-moving environment at the intersection of media, AI, and commerce. - **Flexibility**: Hybrid and fully remote roles available; remote positions span India, the Philippines, Bulgaria, and Romania — reflecting a "decentralized is our ethos" operating philosophy. - **Executive access**: Leadership includes industry veterans across operations, business development, and people functions; a small-enough org that individual contributors can have direct impact. - **Diversity**: "We are a diverse team where everyone belongs. At Firework, we care about who you are, not where you come from" — backed by the formal Don't Hold Back D&I initiative. - **Notable roles currently open** (10+ visible): Staff Frontend/Backend Software Engineers, Sr. Customer Success Manager, Digital Showroom Hosts (English, French, German), AI Livestream Specialists (multiple regions), Sr. Enterprise Account Executive (HK/Greater China), and Account Executives. - **Global presence with startup energy**: 6 offices across the US, Canada, Europe, and Asia, with a Silicon Valley HQ and a remote-first/distributed ethos. ## Sources 1. [firework.com — Homepage](https://firework.com/) 2. [firework.com — About Us](https://firework.com/about-us) 3. [firework.com — Careers](https://firework.com/careers) 4. [jobs.lever.co — Firework Open Roles](https://jobs.lever.co/fireworkhq) 5. [linkedin.com — Firework Company Page](https://www.linkedin.com/company/fireworkhq) ## Other roles at Firework - [Data Engineer Intern](https://feeny.ai/job/data-engineer-intern-firework-san-mateo-13jg2gjxk0ye) — San Mateo, CA - [Sr. Enterprise Account Executive](https://feeny.ai/job/sr-enterprise-account-executive-firework-united-states-wnrnchgjc9ny) — United States - [Director, Enterprise Sales](https://feeny.ai/job/director-enterprise-sales-firework-united-states-sttfkefatkzk) — United States - [Sales & Marketing Operations Manager](https://feeny.ai/job/sales-marketing-operations-manager-firework-india-se2997pqv58d) — India - [Sr./Staff Data Engineer](https://feeny.ai/job/sr-staff-data-engineer-firework-san-mateo-h4rdbmq9crk7) — San Mateo, CA - [Business Development & Partnerships Manager](https://feeny.ai/job/business-development-partnerships-manager-firework-united-states-rwzcgxvsy0yj) — United States - [Account Executive](https://feeny.ai/job/account-executive-firework-china-qe7fxg78eyy7) — China - [Chief of Staff (Office of the CBO)](https://feeny.ai/job/chief-of-staff-office-of-the-cbo-firework-india-r9vfjhajma54) — India - [Sr. Customer Success Manager](https://feeny.ai/job/sr-customer-success-manager-firework-india-yvehgt9tvadj) — India - [Sr. Accounting Manager](https://feeny.ai/job/sr-accounting-manager-firework-india-cd0a55j06wv0) — India