Senior Backend / Infrastructure Engineer – TypeScript
Builds and scales backend services, APIs, trading systems, data pipelines, and infrastructure using TypeScript/Node.js. Requires 3+ years experience in backend systems, cloud platforms, and security practices for high-availability financial platforms.
About the job
Core Responsibilities
- Design, build, and maintain backend services and APIs using Node.js and TypeScript.
- Improve and extend the infrastructure that enables trading, account management, transaction processing, and portfolio automation.
- Ensure high availability, performance, and security across backend systems powering millions of daily operations.
- Build and enhance internal tools, data pipelines, and system integrations.
- Extend our DevOps/infrastructure to shape CI/CD, deployment automation, observability, monitoring, and incident response.
- Champion best practices for code quality, system design, testing, and documentation.
- Mentor junior engineers and drive architectural initiatives across the backend domain.
Qualifications
- 3+ years of professional experience building backend systems in TypeScript or comparable languages (Node.js preferred).
- Strong backend fundamentals: APIs, microservices, distributed systems, data stores, caching, messaging systems.
- Experience with database design (SQL & NoSQL), scaling patterns, performance optimization, and observability.
- Deep experience with cloud platforms (AWS, GCP, Azure) and infrastructure as code.
- Solid understanding of security practices for backend systems (authentication, authorization, data protection).
- Strong analytical, problem-solving, and communication skills.
- Ability to work effectively in a fast-paced, collaborative environment.
What Makes You Stand Out
- Experience building financial or real-time services.
- Familiarity with automated portfolio, trading, or financial data systems.
- Previous ownership of backend infrastructure or mission-critical systems.
- Experience scaling apps used by tens of thousands of users with high throughput.
Skills
TypeScript, Node.js, APIs, Microservices, Distributed Systems, SQL, NoSQL, AWS, GCP, Azure, Infrastructure As Code, CI/CD, Observability, Messaging Systems, Caching
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