Senior Backend Developer

About us:

ProtoKOLs is an AI-powered platform transforming complex data into clear, actionable insights. We empower traders and teams to uncover market opportunities and master Web3 marketing by simplifying on-chain and off-chain data.

Our lean & performance oriented team moves fast, challenges the status quo, and pushes the limits of what's possible. We believe data should empower, not overwhelm. With Protokols, you're not just making decisions – you're shaping the future.

About the role:

We’re hiring Senior Backend Developer with proven experience building performant backends & infra for SaaS products. As our Senior Backend Developer, you'll guarantee our infrastructure and backend meet high standards of performance, security, and scalability. As we focus on AI, the perfect candidate has a keen interest in data, employing tools like GPT, Cursor, Co-pilot, or equivalents in their everyday engineering tasks.

Requirements:

- High autonomy, from identifying to fixing problems.

- Experience in team management, building documentation, materials for the team.

- 5+ years of backend development experience, with strong expertise in Node.js, Typescript, Fastify, Nest.js, TRPC, TimescaleDB, BullMQ

- Proficiency in designing and implementing scalable backend systems using microservices architectures and event-driven systems.

- Solid understanding of PostgreSQL and familiarity with NoSQL databases.

- Strong database intelligence, experience with high-level data, performance optimization, indexing and data extraction.

- Strong testing practices, including unit, integration, and end-to-end testing; familiarity with tools like Jest, Vitest, or similar.

- Devops knowledge.

Responsibilities:

- Design, build, and maintain backend services that integrate seamlessly.

- Develop and document high-quality APIs for internal teams and external partners.

- Optimize system performance and scalability.

- Collaborate with the team to design and implement innovative features.

- Manage infrastructure deployments and production systems

- Taking ownership of tasks and leading them end-to-end.

Not required, but a strong bonus:

- Web3 or Startup Experience

Why join ProtoKOLs?

- Strong base salary

- Lean & high-performance team focused on delivery

- Huge opportunity to make an impact in AI x Crypto space

Internal full-time hires only, no contractors or agencies!