Bullish

Senior Software Engineer, CoinDesk Media

Bullish
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1 day ago
London, United KingdomSenior

Responsibilities

  • Identify unassigned architectural problems and deliver robust, lasting solutions.
  • Set technical direction, architectural standards, and engineering excellence across the media stack.
  • Mentor engineers through knowledge sharing, code reviews, and removal of knowledge silos.
  • Own complex features from concept through production in partnership with product managers and designers.
  • Architect and ship functionality across web surfaces, mobile applications, and backend services.
  • Use AI tools and help develop internal AI tooling for product, design, and editorial workflows.
  • Implement progressive delivery with feature flags, dependable CI/CD pipelines, production observability, and operational governance.
  • Maintain production reliability, performance, security, and long-term system health.

Requirements

  • 7–8 years of experience shipping production software.
  • Proven end-to-end ownership of at least one complex, high-traffic production system from initial design through maturity.
  • Deep hands-on expertise with React, Next.js, Node.js, TypeScript, RESTful APIs, and content management platforms.
  • Strong expertise in server-side rendering, advanced caching patterns, and optimizing Core Web Vitals at scale.
  • Experience with automated unit, integration, and end-to-end testing using tools such as Playwright and Maestro.
  • Experience establishing automated CI/CD pipelines and embedding security practices across client and server boundaries.
  • Experience designing or maintaining high-volume consumer platforms or media properties with tens of millions of monthly impressions.
  • Strong communication and cross-functional collaboration skills.
  • Preferred experience deprecating legacy infrastructure, building mobile applications with React Native and Expo, using Bun, Elysia, Redis, Auth0, Sanity, Google Ad Manager, Stripe, HubSpot, Amplitude, Google Cloud Platform, and Terraform.

Categories

Bullish

About Bullish

201-500 employees

Bullish operates a regulated digital asset platform for institutional and professional investors, built around a spot and derivatives exchange that combines a central limit order book with automated market making. It is regulated by BaFin (Germany), the Hong Kong SFC, and the Gibraltar Financial Services Commission. Bullish also owns CoinDesk, including CoinDesk Indices, market data products, and a digital media and events business.

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