Welcome to CoinJar. From our beginnings in Melbourne, Australia, we are now a global fintech with a track record of enabling clients to buy, sell, and trade cryptocurrencies for over 10 years. We have a strong focus on crafting engaging and easy-to-use mobile experiences that consistently exceed our customer’s expectations. Most of all, we’re a group of technically-minded individuals, who have a deep passion for cryptocurrencies, web3, DAOs, and blockchain technology.

The Role and Team
CoinJar is looking for experienced backend engineers who have a solid understanding of cloud-based architecture and modern software development principles. As a Senior Backend Engineer, you will play a key role in designing, building, and maintaining the backend systems that power our applications. You will work closely with our frontend and mobile developers, and collaborate with cross-functional teams to deliver high-quality solutions to our customers.

Be part of our collaborative Melbourne team, with one day in the office per week to connect and build relationships.

About You
Ideal candidates will have a passion for learning and a strong sense of pride in their work. You enjoy taking ownership of complex technical challenges and have a track record of delivering scalable and reliable backend systems.

What You'll Be Doing

• Design, build, and maintain high-performance and scalable backend systems that power our applications
• Collaborate with frontend and mobile developers to design and implement APIs that meet the needs of our applications
• Participate in code reviews and provide constructive feedback to peers

Requirements

• 5+ years of experience in software engineering with a focus on backend development
• Strong programming skills in at least one of Ruby or Elixir
• Experience with cloud-based platforms such as AWS, Azure or GCP
• Experience with containerization technologies like Docker and orchestration tools like Kubernetes
• Experience with designing and implementing various API technologies
• Experience working with databases such as PostgreSQL or MySQL
• Experience with CI/CD pipelines and automated testing
• A lifelong learner, who has knowledge of/wants to learn more about cryptocurrencies and web3 in general
• An independent worker who can take ownership of projects and drive them to completion
• Experience working in an Agile/Scrum environment and collaborating with cross-functional teams
• You understand that crypto is one of the fastest moving spaces in the industry and realise the importance of security and reliability in our systems
  

Nice To Haves

• You’ve worked in the cryptocurrency space or have some fintech experience
• Experience with blockchain technologies such as Ethereum or Bitcoin

Benefits

• A flexible approach to working. There’s always someone at the office if you want to come in, but we lean towards a hybrid experience as a company
• Fee-free trading of cryptocurrencies on CoinJar.