Backend Engineer

We simplify Bitcoin. Founded in 2021 in Salzburg, we’re a leading Bitcoin investment platform that aims to help people trust themselves enough to build their financial freedom — with Bitcoin.

In 2023, the German Volksbank Raiffeisenbank Bayern Mitte acquired a stake in 21bitcoin to help build the Bitcoin financial platform of the future.

So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Let’s go!

👋 The Role

As a Backend Engineer at 21bitcoin, your mission is to contribute to the backend development efforts, ensuring our architecture is robust, secure, and scalable. You will be involved in planning and executing end-to-end solutions, establishing clean coding guidelines, and implementing microservices to support our architecture. Your role will support the development of financial systems, including a money movement ledger and an enterprise broker system, all while maintaining compliance with ISO27001 and SOC 2 standards in the cloud.

Tasks

🤓 Here's a taste of what you can expect in this role:

• End-to-End Solutions Ownership and Autonomy: Work collaboratively with the development team to plan, develop, and implement backend solutions, including infrastructure, coding, security, and observability using IaC tools like Terraform, CDK, or Pulumi.
• Strategic Architecture: Assist in creating and executing strategic plans to enhance our current architecture, ensuring it handles multi-tenancy and complies with industry standards.
• Problem Solving: Contribute to solving complex problems with innovative solutions, particularly in building financial systems and enterprise broker systems in a cloud-native way.
• Compliance and Security: Help develop and maintain compliant systems adhering to ISO27001 and SOC 2 standards securely in the cloud.
• Team Collaboration: Work with other developers, promote effective pair programming practices, and participate in code reviews to enforce best practices.

Requirements

⭐ Skills we’re excited about

• 3+ Years of Experience: Hands-on coding experience in backend development with cloud technologies.
• Proven Experience: Demonstrated experience in serverless and microservices in a cloud-native environment, with a strong understanding of the advantages and best practices of serverless vs. containers.
• SQL Design: Experience in designing and managing SQL databases.
• Proactive: Ability to work independently, prioritize tasks effectively, and take ownership of projects.
• Best Practices: Familiarity with best engineering practices and experience in implementing them, including knowledge of distributed architecture patterns and antipatterns.
• AWS Familiarity: Understanding of AWS, proficiency in Infrastructure as Code (CDK, Terraform, or Pulumi), and knowledge of monitoring and alerting concepts as well as the AWS Well-Architected Framework and the AWS security stack.
• Clean Code Advocate: Commitment to clean code principles, experienced with TypeScript, GO, .NET.
• Financial Technologies: A plus for experience with financial or payment technologies.

Must be located within ±2 hours of CET timezone

• Being based in or willing to relocate to Munich, Salzburg, or Vienna is a significant advantage (relocation assistance available)

Our Stack:

Node, Typescript, PostgreSQL, DynamoDB, GraphQL, Serverless (CDK, Terraform), Kinesis, SNS, SQS

Benefits

🚀 Why YOU should join 21bitcoin

1. Make an impact right from day one and take responsibility by implementing your own ideas
2. Shape the future of finance & Bitcoin
3. Work with world class talents while having fun in a dynamic team
4. Enjoy flexible working hours and a remote first working environment
5. Get 25 annual vacation days + 1 day of paid birthday leave to have fun without any worries!

💸 Competitive compensation: We will offer you a mix of cash and stock options based on your appetite for upside.

🏢 Remote First, with In-Person Magic: We prioritize remote work for flexibility but cherish the power of face-to-face collaboration. Join us at our vibrant hubs in Munich, Salzburg, and Vienna to experience the best of both worlds! We provide relocation assistance.

🕑 Flexible working hours: We value focus time. Encouraging everyone to minimize fixed meetings and leverage asynchronous communication.

📝 Interview Process

How to apply?

Please reach out to us and include a bit about yourself, your resume/CV, examples of past projects, and a few bullet points about why you’re interested in joining 21bitcoin and what you expect.

BTW: CVs are important, but don't forget to include your favorite Bitcoin meme in the application!

• 🗒️ Resume Review: Portfolio of Work: Drop a link to your portfolio/previous work or CV which we can review (LinkedIn, Github, Twitter, …)
• 📞 Exploratory Call: We'll discuss what excites you about this role and a few questions based on your past experiences
• 🧠 Test assignment: We will share a take home creative assignment with you to work on (usually 1 week time frame)
• 🗣️ Engineering Deep Dive: During the deep dive session, we will discuss specific skills for each role through a case study or a technical interview.
• 👍 Decision time!