Senior Software Engineer - Full Stack
Senior Software Engineer - Full Stack
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$ 128000 - 179000
1 Vacancy
Job Description
About CoinList
CoinList is a leading crypto financial platform supporting the full lifecycle of crypto investment. We offer a comprehensive suite of services including token sales trading lending staking and access to DeFi opportunities. CoinList has helped raise over $1.1 billion for groundbreaking projects establishing itself as the go-to platform for innovative blockchain companies. Our platform is trusted by validators miners founders crypto funds and a broad array of crypto enthusiasts globally.
The Opportunity
Were looking for a Senior Software Engineer (Full Stack Backend-leaning) to join our Core Team. Youll play a key role in building and scaling the core financial infrastructure that powers CoinLists money movement wallet and custody solutions while also owning and improving our web application experience. This is a high-impact role where youll ship production systems shape product direction and help set technical standards for the team. This role is ideal for a full stack engineer (backend-leaning) who thrives in product-focused environments cares deeply about UX and frontend polish and is excited to own both backend infrastructure and web product experiences in a fast-paced fintech startup.
What Youll Do:
- Design build and scale robust financial software systems and backend services that power money movement custody and payment flows.
- Develop and maintain web frontends (React LiveView) with a focus on UX collaborating closely with designers to deliver polished user-friendly products.
- Architect and optimize wallet and custody solutions for a variety of cryptocurrencies ensuring security reliability and scalability.
- Own projects end-to-end: From concept and design through implementation testing deployment and monitoring.
- Collaborate cross-functionally with product compliance and other engineering teams to deliver secure and delightful financial products.
- Participate in code reviews share knowledge and help upskill junior engineers.
- Identify and address performance bottlenecks reliability gaps and opportunities for automation.
- Influence product and technical direction working closely with leadership and crypto founders.
Requirements
- 5 years of professional engineering experience shipping high-quality code in production environments
- Strong coding fundamentals
- Proven experience scaling financial systems (fintech payments trading or crypto/DeFi platforms).
- Security-first mindset and deep understanding of best practices in financial software development.
- Experience with or open to learning and working with Elixir and LiveView (backend and frontend).
- Demonstrated experience building and maintaining production web frontends (React LiveView or similar).
- Track record of product ownership attention to detail and working collaboratively with designers.
Bonus Skills:
- Experience with distributed systems or microservices architecture.
- Prior Elixir experience is a plus but not required-willingness and ability to learn is key.
- Familiarity with blockchain protocols crypto custody or staking systems.
- Experience integrating with payment rails ledgers or compliance systems.
- Contributions to open-source projects or crypto communities.
- Backend engineering fundamentals with experience in modern languages (Elixir Ruby Go TypeScript Python etc.).
Tech stack:
- Elixir (primary) LiveView (frontend) Ruby. Most new development is in Elixir and LiveView.
- Legacy systems in Ruby on Rails and React.
Benefits
$128000 $179000 USD base significant equity (depending on experience/location)
Required Experience:
Senior IC
Employment Type
Full Time
