Job Overview
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Job Description
About Bitstack
It all started with an idea in 2021. Initially built to democratize Bitcoin in France, Bitstack has gone from a simple product that invests spare change in bitcoin, to a crypto-native bank bringing a better way to save, spend, and grow money to our 300K+ users. We want to rebuild finance from the ground up to empower people to achieve financial freedom by participating in a more open and inclusive financial system. We’re a small, ambitious team of operators. We believe in moving fast, sweating the details, and creating products people truly love. At Bitstack, you’ll have the opportunity to shape not just our products, but the culture and practices of our entire organization. Bitstack is backed by YC, leading VCs like 13books Capital, Stillmark, Serena, and many more. We are building a product our users love and we are just getting started!
The Role: Software Engineer
Bitstack’s engineering team is responsible for building the technology platform that powers our mission. We care about infrastructure that makes it easy to write software that is secure, efficient, and tested. We build incrementally and we deploy every day.
What You'll Be Doing
- Collaborate with a growing Engineering and Product team
- Drive new initiatives with a willingness to challenge the status quo to push the product forward
- Ship high quality, scalable, reliable products in a production environment
- Work in a highly compliant environment and contribute to the larger Bitcoin ecosystem
- Work with a cutting edge software development stack in a cloud-native environment
- Contribute to the broader tech and open source communities
Tech Stack
- Backend: Go, Python
- Frontend: Flutter, Dart, TypeScript, JavaScript
- Databases: SQL (basic DBMS knowledge helpful)
What We're Looking For
- Experience scoping, designing, delivering and supporting projects from end to end
- Deep understanding of Git workflows and automation
- Spectacular analytical reasoning and problem-solving skills
- Strong communication and problem-solving skills
- Worked on highly-available and resilient APIs
- Experience working in a fully cloud-native environment
- Experience working with a modern microservices stack
- Understand and care deeply about security and working within regulated environments
- Fluent English (French is a bonus)
Interview Process
- Introductory Call (20 min): An initial conversation with our recruiter to get to know you better and share more details about the role, the team, and how we work at Bitstack.
- Engineer Call (30 min): A conversation with one of our senior engineers to assess your technical background and some of the projects you've worked on. This is also an opportunity for us to introduce you to our engineering philosophy and the product ownership responsibilities that come with this role.
- Take Home Task & Task Review Call (60 min): You’ll receive a practical task to complete in your own time. Once submitted, we’ll schedule a review call to walk through your solution together and explore your thought process in more detail.
- System Design (60 min): A discussion focused on how you approach problem-solving, communicate your ideas, and prioritize decisions. This helps us assess your technical depth and ability to design scalable systems.
- Behavioural Interview (60 min): A conversation centered on your experiences, decision-making, and collaboration style. We’ll discuss real-world scenarios to understand how you navigate technical challenges, teamwork, and stakeholder interactions.
Perks & Benefits
- Work from our office in Paris (Bourse) or Remote (Europe)
- Flexible working hours
- One of the best health insurance plans with 100% employer contributions
- Monthly team activities and bi-annual offsites
- Swile meal vouchers
- Competitive salary based on experience & Bitstack stock options
Diversity & Inclusion
We hire talented and passionate people from all kinds of backgrounds, we don’t care about your age or where you studied. If you’re excited about the role but your past experience doesn’t match every bullet point in the job description, we still encourage you to apply. What matters most is that you’re a builder at heart, you share our values, and you’re enthusiastic about our mission.
Key skills/competency
- Go development
- Python programming
- Cloud-native environments
- Microservices architecture
- API design and resilience
- Git workflows
- System design
- Security best practices
- Product development lifecycle
- SQL databases
How to Get Hired at Bitstack
- Research Bitstack's culture: Study their mission (democratizing Bitcoin, financial freedom), values (moving fast, user love), and their YC backing.
- Tailor your resume: Highlight experience with Go, Python, Flutter, microservices, cloud-native environments, and API design to match the Software Engineer role requirements at Bitstack.
- Prepare for technical depth: Review system design principles, distributed systems, and be ready to discuss high-availability and resilient APIs, especially in a regulated financial context.
- Showcase problem-solving: Be prepared to discuss your approach to practical tasks, analytical reasoning, and how you scope and deliver projects from end-to-end, as evaluated in the take-home task and system design interviews.
- Demonstrate alignment: Emphasize your passion for fintech, crypto, and open-source contributions, alongside strong communication and collaboration skills during the behavioral interview with Bitstack.
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