Senior Backend Engineer TypeScript
Startale Group is an onchain technology company backed by Sony and SBI. It develops blockchain ecosystems, consumer applications, stablecoins, and developer infrastructure for users, developers, and institutions.
Maintainer signals as of 9/2/2026
Funding history
Projects
About Startale Group
Startale Group develops and operates products across the onchain economy, including the Soneium and Strium blockchain ecosystems, the Startale App, JPYSC, Startale USD (USDSC), and the Startale Developer Platform. Its offerings support digital-asset transfers, swaps, savings, rewards, tokenized finance, account abstraction, blockchain RPC access, and application development.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Own the backend architecture and implementation of Startale App, integrating large-scale Web2 systems with wallets, DeFi protocols, and on-chain data.
Requirements
- At least three years of professional experience and advanced English proficiency
- Backend systems experience supporting large user populations and high traffic
- Experience leading technical complexity in large consumer products
- TypeScript and modern backend framework experience such as NestJS, Fastify, or Express
- Strong understanding of API design, service-oriented architecture, and distributed systems
- Deep PostgreSQL experience including schema design, indexing, query optimization, and production operations
- Experience processing large volumes of structured and event-driven data
- Production observability, monitoring, incident response, and scaling experience
- Willingness and curiosity to learn unfamiliar domains; blockchain experience is not required
Responsibilities
- Own backend architecture and implementation for Startale App
- Design, build, and operate scalable production APIs and backend services
- Build and operate high-performance distributed systems
- Build and maintain data pipelines, background workers, asynchronous processing, and event-driven architectures
- Build blockchain integrations and indexing systems
- Design database schemas and optimize complex queries
- Diagnose production incidents, performance bottlenecks, and scaling challenges
- Establish observability, monitoring, and alerting
Benefits
- Stock options
- Hybrid work
- Conditional full remote work option
- Annual company workation
- Flexible discretionary leave
Hiring Process
Casual interview, application screening, first interview, second interview, trial assignment, final interview, and offer meeting. The process may include one to three interviews, meetings with multiple team members, and a final-stage reference check. Interviews are generally online. The process typically takes two to five weeks.
