Platform Engineer – Senior Tech (Platform)

What we’re looking for At Cobalt Streamworks we’re looking for a Platform Engineer – Senior Tech (Platform) to work for one of our international clients, building core backend systems that power player data, progression, streaks, rewards, and leaderboards. This role focuses on designing scalable, flexible systems that support multiple game modules and can be easily configured through lightweight CMS-style tooling. You’ll be part of a team that designs and delivers digital experiences with measurable impact, combining strategy, engineering, and human-centred design with deep technical expertise. Responsibilities Build and maintain backend services and APIs (API-first architecture) Develop systems for player accounts, progression, rewards, and leaderboards Leverage AI-assisted workflows to accelerate development, debugging, and system iteration Design scalable systems supporting multiple game modules Work within cloud-based architecture (compute, storage, databases) Enable data-driven systems (config via JSON, not hardcoded logic) Support lightweight CMS or data-driven configuration workflows Collaborate with game engineers on integrations Qualifications Experience building backend systems for consumer-facing products Experience working in AI-forward, agentic development workflows (e.g. Claude Code, Cursor) and leveraging them to accelerate development Strong API design and service architecture experience Experience with cloud infrastructure (AWS or similar) Familiarity with data-driven systems (config via JSON or similar) English proficiency at B2 level or higher (able to communicate effectively in written and spoken form in professional settings) What's in it for you Fully remote — work from anywhere Benefits — PTO and other perks depending on the client Work with US-based companies building exciting, impactful products Join collaborative, high-performance teams that value your input and expertise If you’re a Platform Engineer who thrives on solving complex challenges, delivering elegant solutions, and working with talented teams around the world, we’d love to hear from you. Originally posted on Himalayas