
Fullstack Engineer
Responsibilities
Qualifications & Requirements
Experience Level: Senior Level
Full Job Description
Fullstack Engineer at Syndr
Syndr is seeking a talented Fullstack Engineer to join our dynamic team. This role involves developing high-performance trading interfaces and APIs, building critical trading infrastructure, and owning system design and architecture. You will work closely with stakeholders to define requirements and priorities, delivering critical business solutions under tight timelines.
Responsibilities
- Develop high-performance trading interfaces and APIs (REST + Websockets).
- Build critical trading infrastructure and components for trade execution, order matching, risk management, settlements, and data analytics.
- Manage stakeholder relationships to inform requirements, roadmap, and priorities.
- Own system design, architecture, and implementation, adhering to industry best practices.
- Deliver critical business solutions, tooling, and analytics under tight deadlines.
Requirements
- 4+ years of professional hands-on experience with Javascript/Typescript, Nextjs, React, Node, ChakraUI, and Golang.
- Experience creating responsive design systems from scratch.
- Expert knowledge of SQL-based databases.
- Proven experience building, securing, scaling, documenting, and deploying APIs (REST + Websockets).
- Experience working in a dynamic, fast-paced environment.
- Experience with microservices architecture.
- Familiarity with Jupyter Notebooks, Postman, and Postgres.
- Strong mathematical, statistical, and problem-solving skills.
Preferred Qualifications
- Experience programming in Go.
- Experience with Web3 libraries (ethers/web3py).
- Experience with A/B testing.
- Experience in financial services (TradFi/Crypto/DeFi).
- Prior trading experience (Traditional markets or crypto/DeFi) with knowledge of derivative products (futures, options, perpetuals).
- Experience with other non-trading DeFi products (swaps, lending, etc.).
- Experience working on trading systems and infrastructure.
Company Culture and Values
Syndr operates in the fast-paced and accelerating crypto space. We are committed to building a high-quality DeFi product with a sense of shared mission. We encourage extreme ownership, where all team members have the autonomy to fix issues and take responsibility for their work. We foster a long-term vision, clear communication, and mutual accountability. Our culture is informal, non-hierarchical, ambitious, professional, collaborative, and entrepreneurial.
What We Offer
- A unique opportunity to work with a small, focused, and ambitious team on exciting projects, offering a high level of responsibility and ownership.
- Great company culture: informal, non-hierarchical, ambitious, highly professional, collaborative, and entrepreneurial.
- A strong sense of a shared mission.
- Work with the latest technology, equipment, and web3 stack with dedicated budgets.
- Flexible working hours.
- Annual team retreat.
- Competitive compensation.