Senior Full Stack Engineer (Remote)Location: Remote | Team: Core | Level: Senior Join First Bananas - Help Build the Future of Crypto GamingAt First Bananas, we're redefining what's possible in crypto gaming. Our mission is simple: deliver a lightning-fast, seamless, and secure gaming experience powered by cutting-edge blockchain technologies. We're building the most advanced crypto casino platform in the world—and we're just getting started.We're looking for aSenior Full Stack Engineer (Backend-Leaning)with strong backend architecture and distributed systems experience, combined with solid front-end proficiency in interactive applications. You'll help scale our platform to millions of players while driving innovation at the intersection of interactive gaming and crypto.This is a fully remote role. We value autonomy, trust, and flexibility—and expect you to bring energy, ownership, and leadership wherever you work.What You'll Be DoingLead backend architecture and design of highly scalable, low-latency distributed systemsBuild and optimize microservices supporting player accounts, wallets, game engines, leader boards, and event-driven featuresEnsure performance, reliability, and security of core APIs and services, handling high-throughput transactional workloads.Design and implement real-time communication (WebSockets, Pub/Sub, and event-driven messaging)Collaborate cross-functionally with product managers, front-end engineers, and DevOps to deliver end-to-end featuresCollaborate closely with front-end and product teams to deliver performant, interactive web-based features using ReactImplement observability and monitoring to ensure system health and proactive issue resolution.Drive best practices across code quality, testing, CI/CD, and deployment processes.Mentor and guide engineers, contributing to team-wide technical excellence and knowledge sharing.Technologies You'll Work WithCore InfrastructureReactPixiJSNodeJSTypescriptPostgreSQLRedisRabbitMQBonus Skills (Nice To Have Experience With)DatadogAWSCI/CD PipelinesMust-HavesWhat We're Looking For7+ years of professional software engineering experience, with a focus on backend engineeringProficiency with and building scalable back-end services, including real-time systems (WebSockets, multiplayer sync).Experience with Databases, ideally PostgresSolid understanding of performance optimization, rendering pipelines, and client-server architecture.Experience in React for high-performance front-end experiences.Experience with CI/CD pipelines and modern development workflows.Nice-to-HaveBackground in crypto or iGamingBackground in multiplayer gaming, gambling, or iGaming platforms.Familiarity with game networking protocols, animations, and physics engines.Experience leading technical initiatives or mentoring engineers.Knowledge of cloud deployment (AWS) and containerized environments (Docker, Kubernetes, ECS). Why Join First Bananas?Be part of a fast-growing and well-funded start-up at the intersection of gaming and blockchain.Work with a world-class engineering team—collaborative, autonomous, and impact-driven.Build next-generation systems with full ownership over architecture and implementation.Remote-first culture with flexible hours, asynchronous communication, and no micromanagement.A product and mission you'll actually be excited about.What You'll GetWhy First Bananas?Competitive Salary- We pay top-of-market for top-tier talentPrivate Health Insurance- Comprehensive coverage for your peace of mind$1,000 Home Office Setup Budget- Build your dream remote workspace on usRemote-First Work Environment- Work from anywhere, collaborate globallyGenerous Holiday Allowance- Take the time you need to rest and rechargePension Matching- Invest in your future with our employer-matched pension planFlexible Time Off & Hours- We focus on output, not clocking inPerformance-Related Bonus- We reward real impact. Hit goals, share the upsideReady to Build with Us?We're creating something bold and different—and we want the best minds to help us do it. If you're passionate about infrastructure, performance, and pushing tech boundaries, apply now and let's build the future of crypto gaming together.