Senior Software Engineer, Full-Stack (Sydney)

About Easygo Easygo is a founder-led, Melbourne-based entertainment company — one of Australia's fastest-growing. We build products that serve tens of millions of users globally, that includes: Stake — world's leading crypto casino & sportsbook (20M+ active users)KICK — live streaming platform with 95% creator monetisation (50M+ accounts)Twist Gaming — proprietary slot game studio Engineering@Easygo Easygo leads the world in crafting top-tier entertainment experiences. Within our engineering organisation, we foster a continuous learning environment, constantly pushing the boundaries of large-scale software design and development. Our culture revolves around fostering growth, nurturing learning, and upholding excellence in engineering, ensuring we consistently set the benchmark for engineering mastery. Why join us? Are you a passionate and ambitious software engineer ready to dive into an environment that fosters innovation, continuous learning, and professional growth? We're seeking talented individuals who are eager to tackle complex problems, build scalable solutions, and collaborate with some of the finest engineers in the entertainment industry. Complex Projects, Creative Solutions: Dive into intricate projects that challenge and push boundaries. Solve complex technical puzzles and craft scalable solutions.Invest in Mastery: Access tailored learning programs, dedicated mentorship, and over 9,000 courses to accelerate your professional growth and gain deep expertise in building large-scale, high-volume products.Collaborate with Industry Leaders: Work alongside exceptional engineers, exchanging ideas and driving innovation forward through collaboration.Maximum Impact: Your contributions will directly shape the future of top-tier entertainment experiences, solving complex technical puzzles and driving innovation across our global platform.Embrace Challenges, Celebrate Success: Take on challenges, learn from failures, and celebrate achievements together. About The Role We're building a new platform from scratch — a 0→1 product combining marketplace infrastructure, B2B SaaS, and high-volume content management, designed to handle significant transaction volume and billions of data points annually. This is a true full-stack role with roughly equal weight on frontend and backend. You'll own features end-to-end — from database schema through API design to the UI — working closely with our Staff Engineer, designer, and product stakeholders. Hands-on IC today, with a clear path toward technical leadership as the team grows. Key Responsibilities Own features end-to-end — design, build, ship, and maintainBuild across the full stack: backend services, APIs, and polished frontend UIs in roughly equal measureImplement multi-tenant architecture with strong data isolation and securityIntegrate external APIs — social platforms, payment providers, partner systemsCollaborate with our designer to deliver responsive, high-quality user interfacesContribute to technical design and architecture discussionsReview code and help raise the team's quality barMentor junior engineers as the team grows Minimum Qualifications CS degree or equivalent practical experience5+ years shipping production software, with meaningful time on both frontend and backendPolyglot mindset — proficient in at least one backend language and one frontend framework; comfortable picking up new onesStrong frontend skills: component architecture, state management, data fetching patternsExperience with relational and/or NoSQL databases, RESTful or RPC-style APIsComfortable with cloud infrastructure and containerised environmentsDemonstrated ability to own features independently and ship iterativelyClear communicator who gives and receives feedback well Preferred Experience We work primarily in Go and TypeScript/React — familiarity with our stack is a bonus, not a blocker. Full-Stack & Frontend Strong TypeScript and React — hooks, component design, performance optimisationCSS frameworks (Tailwind or similar) and component librariesClient-side data fetching and routing patternsData visualisation for dashboards and analytics UIsGo for backend services.TypeScript/React with Tailwind CSS and TanStack Query/Router. Backend & Data Multi-sided platform or multi-tenant SaaS experiencePayment integration experienceBackground job processing — queues, async workflows, distributed task schedulingEvent streaming or messaging systemsFraud detection, trust & safety, or anomaly detectionPostgreSQL; NATS JetStream or Kafka for messagingProtocol Buffers with ConnectRPC or gRPC Infrastructure & Observability Cloud infrastructure (AWS, GCP, or Azure)Container orchestration (Kubernetes or equivalent)CI/CD pipelines and GitOps workflowsObservability tooling — distributed tracing, structured logging, metricsKubernetes/EKS, ArgoCD, and TerraformOpenTelemetry instrumentation and Datadog Environment Startup / 0→1 experience: fast-paced, ambiguous, resource-constrainedML or automation feature integration. Why This Role 0→1 build: shape the platform architecture from day one.High ownership: lead significant features end-to-end with real autonomy.Complex domain: marketplace, payments, content, and automation in one product.Equal frontend/backend split — no siloing into one layer.Growth: clear path to technical leadership as the team scales.Modern, well-considered stack with room to influence future technology choices. Some Of The Perks Of Working For Us Influence Culture and Excellence:Directly champion and drive cultural change across the organisation to raise the bar for engineering excellence.Work alongside the top 5% of engineering talent in Australia, using a vast cloud native tech stack including AWS, Microservices, Large-Scale Distributed Systems, Kafka, K8's, Svelte, Typescript, Node.js, Golang, ArgoCD, Datadog & Cloudflare.Exposure to building global, large-scale volume products which operate at thousands per second frequency (3 Billion Requests per day!).Access to over 9,000 courses across our Learning and Development Platform.EAP access for you and your family.Be rewarded with lucrative annual bonuses.Give back with a paid volunteer day.Fuel your day with daily breakfast and open pantries brimming with unlimited snacks and refreshments, all on the house.Break up the week with on site remedial massage Wednesdays.In house full-time barista’s providing you your daily coffee needs.Weekly team lunches on Monday.Enjoy a bustling office with the option for up to 2 days work from home per week.Fun office environment with pool tables, table tennis and all your favourite gaming consoles. We believe that the unique contributions of everyone at Easygo are the driver of our success. To make sure that our products and culture continue to incorporate everyone's perspectives and experience we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. We are passionate about providing a workplace that encourages great participation and an equal playing field, where merit and accomplishment are the only criteria for success.