Senior Application Developer – React Native / .NET
ALIVATE SOCIAL ENTERTAINMENT PTY LTD
📍 285 Lennox Street, Richmond, Melbourne, Victoria

Company Overview
ALIVATE SOCIAL ENTERTAINMENT PTY LTD is an ambitious startup focused on disrupting the sports tech space through our cutting-edge daily fantasy sports platform. We're building innovative, high-performance digital products that deliver engaging and immersive experiences to fans across Australia and beyond.

Role Overview
(On-site) We are seeking a highly skilled Senior Application Developer with a strong focus on mobile application development using React Native Expo, alongside proven backend expertise in .NET (C#) and Entity Framework Core (EF Core). While React Native is our primary mobile framework, familiarity with Flutter is a plus. You’ll collaborate with a passionate team to build and scale our core applications—delivering exceptional user experiences and robust technical infrastructure.

Key Responsibilities

Mobile & Full Stack Development

Develop high-performance, user-friendly mobile apps using React Native Expo for iOS and Android

Build scalable backend systems using .NET (C#) and Entity Framework Core (EF Core)

Design and maintain RESTful APIs for seamless frontend-backend communication

Write clean, testable, and maintainable code across the stack

Optimize relational databases with EF Core and SQL

Conduct thorough bug fixes and quality assurance to maintain application integrity

Analysis and Optimization

Evaluate system requirements and user needs to guide technical direction

Identify performance bottlenecks and drive architectural improvements

Monitor KPIs to make data-informed decisions that enhance product performance

Lead initiatives to streamline the development process and accelerate delivery

Documentation and Support

Maintain comprehensive technical documentation and support materials

Share knowledge to help guide platform strategy and technology choices

Contribute to tech stack evaluations and investment planning

DevOps and Security

Automate build, testing, and deployment pipelines using modern CI/CD practices

Deploy and manage applications in Azure or AWS cloud environments

Utilize Docker for consistent and efficient development and deployment

Integrate Firebase for authentication and real-time features in mobile apps

Implement security best practices and monitor for threats proactively

Agile Collaboration

Participate actively in Agile ceremonies including stand-ups, planning, and retrospectives

Collaborate with developers, designers, and product managers to deliver robust features

Troubleshoot and resolve issues across both frontend and backend systems

Required Skills & Experience

Advanced expertise in React Native Expo and TypeScript for cross-platform mobile app development

Strong backend experience in .NET (C#) and Entity Framework Core (EF Core)

Proficiency in REST API design and third-party integration

Experience with React Hooks, Zustand, and performance tuning

Working knowledge of Azure, AWS, and CI/CD pipelines

Experience with unit and automated testing frameworks

Solid understanding of Agile development methodologies

Strong debugging, problem-solving, and communication skills

Team player with a collaborative and proactive mindset

Why Join Us?

Be part of an innovative, fast-growing startup shaping the future of fantasy sports

Work with modern tech stacks across mobile and backend platforms

Opportunity to lead impactful projects with visible outcomes

Supportive culture that values growth, autonomy, and excellence

Competitive salary package: AUD $100,000 – $150,000, depending on experience

If you're passionate about crafting high-quality mobile apps and scalable backend systems—and want to join a team that thrives on innovation and creativity—we’d love to hear from you!