Founding Senior Backend Engineer (Node.js, AI-Native)

Hiring for a Client -WealthQ
What You'll Do
• Design and build the core Node.js services and REST APIs from scratch, built to scale as we grow.
• Own system design end to end: service boundaries, data flow, caching, queueing, failure modes, and scale.
• Ship AI/ML-powered features, including LLM and agentic capabilities.
• Use LLMs and agentic tooling across the SDLC, from design and code generation to testing and debugging.
• Model data and optimize SQL/NoSQL queries for performance; integrate with third-party platforms.
• Debug production issues, own reliability, and set the engineering standards the rest of the team will grow into.
Ideal Candidate
1Strong Backend Node.js Developer Profile
2Mandatory (Experience 1) – Must have 7+ years of hands-on Backend Engineering experience using Node.js building production-grade systems for B2C products at meaningful consumer scale
3Mandatory (Experience 2) – Must be AI-native in their own engineering workflow: already uses LLMs and agentic tooling across the SDLC, from design and code generation through testing and debugging
4Mandatory (Experience 3) – Must have owned backend architecture end to end, including greenfield builds. Should be able to make early architecture calls and reason clearly about service boundaries, data flow, caching, queueing, failure modes, scalability, and reliability trade-offs under real constraints.
5Mandatory (Experience 4) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices
6Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems and third-party platforms
7Mandatory (Experience 6) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling, query optimization, and performance tuning
8Mandatory (Company) – Must have worked in B2C product companies / startups at meaningful consumer scale. (WealthTech, FinTech, or high-growth consumer product background is highly preferred)
9Mandatory (Stability) – Must have a stable career history, with consistent tenure across previous companies; frequent job-hopping will not be considered
10Mandatory (AI Product) – Must have experience building and shipping products that use LLMs and agentic workflows to end users.
11Mandatory (College) – ) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes (IITs, not NITs). Candidates from other institutions will not be considered unless they come from top top-tier product companies
12Mandatory (Compensation Alignment) – Candidate must be comfortable with the compensation structure where the company matches their current CTC and provides ESOPs, without any salary hike
13Mandatory (Exclusion) – Candidates currently working at Stable Money will not be considered
14Mandatory (Note1) – Seed-funded WealthTech startup. Candidate must be comfortable in an early-stage, fast-paced environment with shifting priorities
15Mandatory (Note2) – Founding tech team role. Work from office, 5 days a week. Candidate must be willing to own the backend end to end and set engineering standards
16Preferred (Note) – Previous founding engineer or early-team startup experience is a plus.

Work arrangement
No