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Senior Backend Engineer
Zoft AI
Original Job Summary
About Zoft AI
Zoft.ai is an AI workflow automation platform that connects business systems, APIs, and AI agents — enabling companies to automate complex processes, handle conversations, and streamline operations with intelligence. We’re building the next-generation backend for AI-driven automation, combining real-time intelligence, scalable integrations, and modern event-driven architecture.
Your Role
As a Senior Backend Engineer, you will architect and develop high-performance backend services using Node.js, TypeScript, Fastify, and Express. You will build multi-app integrations across third-party platforms and design scalable APIs and event-driven microservices to power AI workflows and automation logic.
- Collaborate with AI, product, and DevOps teams for model integration.
- Lead system design discussions and implement robust architecture patterns.
- Optimize backend performance with asynchronous patterns and caching.
- Participate in code reviews, mentoring, and open-source contributions.
- Ensure security, reliability, and scalability of backend systems.
Requirements
Deep expertise in Node.js, TypeScript, and frameworks like Fastify/Express. Strong fundamentals in data structures, algorithms, and system design with proven multi-app third-party integrations experience. Solid knowledge of asynchronous programming, event-driven architecture, distributed systems, PostgreSQL/MongoDB, Redis, and messaging queues. Understanding authentication, API security standards, Docker, CI/CD, and cloud environments (AWS/GCP) are essential. Open-source contributions or a strong GitHub presence is a plus.
Bonus Skills
Experience with workflow automation engines, AI integration layers, building APIs for multi-tenant SaaS, and familiarity with serverless systems and real-time streaming. Startup or founder/CTO experience is preferred.
Why Join Us
Build core infrastructure for AI and automation at scale, work with a founder-led team, enjoy competitive compensation with potential equity, and gain freedom to innovate while accessing cutting-edge AI technology and global-scale integration challenges.
How to Apply
Send your GitHub, LinkedIn, resume, or portfolio showcasing notable projects or open-source work to: founder@zoftai.com — subject: Senior Backend Engineer - Node.js / TypeScript.
Key skills/competency
- Node.js
- TypeScript
- Fastify
- Express
- Microservices
- API Design
- System Design
- Event-driven
- Cloud (AWS/GCP)
- CI/CD
How to Get Hired at Zoft AI
🎯 Tips for Getting Hired
- Customize your resume: Highlight Node.js and system design skills.
- Showcase project portfolios: Include relevant open-source work.
- Tailor your cover letter: Emphasize backend expertise and integrations.
- Prepare for technical interviews: Practice algorithms, design, and debugging.