Senior 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 Senior Backend Engineer at 21bitcoin, your mission is to improve and co-own the backend development efforts, ensuring our architecture is robust, secure, and scalable. You will be responsible for planning and executing end-to-end solutions, establishing clean coding guidelines, and implementing microservices to support our architecture. Your expertise will drive 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 : Take full ownership of backend projects, working independently to plan, develop, and implement solutions with minimal supervision including infrastructure, coding, security, and observability using IaC tools like Terraform, CDK, or Pulumi.
• Strategic Architecture : Create and execute strategic plans to enhance our current architecture, ensuring it handles multi-tenancy and complies with industry standards.
• Innovative Problem Solving : Tackle complex problems with innovative solutions, particularly in building financial systems and enterprise broker systems in a cloud-native way.
• Compliance and Security : Develop and maintain compliant systems adhering to ISO27001 and SOC 2 standards securely in the cloud.
• Team Collaboration: Leverage your experience to guide other developers, promote effective pair programming practices, and conduct strong, opinionated code reviews to enforce best practices.

Requirements

Skills we’re excited about

• 6+ Years of Experience : Hands-on coding experience in backend development with cloud technologies.

• Proven Experience : Demonstrated experience in DDD, serverless, and microservices in a cloud-native environment, with a strong understanding of the advantages and best practices of serverless vs. containers.

• SQL Design : Extensive experience in designing and managing SQL databases.

• Independent and Proactive : Ability to work independently, prioritize tasks effectively, and take ownership of projects with a "Getting shit done" attitude.

• Best Practices : Obsession with best engineering practices and expertise in implementing them successfully, including knowledge of distributed architecture patterns and antipatterns.

• AWS Expertise : Deep understanding of AWS, proficiency in Infrastructure as Code (CDK, Terraform, or Pulumi), and strong knowledge of monitoring and alerting concepts as well as familiar with AWS Well-Architected Framework and the AWS security stack

• Clean Code Advocate : Passionate advocate for clean code principles and a TypeScript expert.

• Financial Technologies : Big plus for proficiency in 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)

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.

I nterview 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.
• Meet Us (Workshop) - During the workshop, we will explore various real-world problems that you will be expected to solve in your role.
• Decision time!