Lead Software Engineer - React.js/Python

<p><b>Role & Responsibilities :</b><br/><br/>Own, architect and deliver core modules of our multi-agentic AI SaaS platform - spanning user-facing React micro-front-ends, Python micro-services, Postgres persistence and AWS infrastructure, while mentoring the next wave of engineers in a hyper-growth environment.<br/><br/><b>Key Responsibilities :</b><br/><br/>- End-to-end ownership : translate product vision into secure, scalable features; drive design, coding, review, testing and deployment.<br/><br/>- Platform evolution : design fault-tolerant, multi-tenant architectures; weave in multi- agent LLM workflows, vector search and RAG pipelines.<br/><br/>- Dev-excellence : champion CI/CD, IaC (Terraform/CDK), automated testing, observability and cost-aware cloud operations.<br/><br/>- Technical leadership : mentor 2-4 engineers, set coding standards, lead architecture reviews and sprint planning.<br/><br/>- Cross-functional collaboration : pair with Product, DevRel and GTM to ship business-impacting releases every 2-3 weeks.<br/><br/><b>Ideal Candidate :</b><br/><br/><b>Must-Have Skills :</b><br/><br/>- 4-6 yrs building production SaaS; 3 yrs in Python back-ends (FastAPI/Django/Flask) and React (hooks, TS).<br/><br/>- Deep SQL & Postgres tuning; distributed systems know-how (caching, queues, event-driven design).<br/><br/>- Hands-on AWS (EKS/Lambda, S3, Aurora, IAM) and containerisation (Docker, Kubernetes).<br/><br/>- Proven track record of shipping at &gt;1 M MAU or &gt;10K TPS scale.<br/><br/>- Strong DSA, design patterns, code review and mentoring chops.<br/><br/><b>Nice-to-Haves :</b><br/><br/>- LangChain / Agents / Vector DBs, OpenAI/Anthropic/LLama APIs.<br/><br/>- Experience with feature-flag systems, multi-region deployments, SOC-2 / ISO-27001 compliance.</p> (ref:hirist.tech)