Hiring for a Client - wealthQ

We are looking for a Senior Backend Engineer with strong Node.js expertise to join the founding technology team of an early-stage consumer product startup. You will own backend engineering end-to-end, from architecture and greenfield development to production reliability and engineering standards.

What You'll Do

Design and build production-grade Node.js services and REST APIs from the ground up.
Own backend architecture, including service boundaries, data flow, caching, queueing, failure handling, scalability, and reliability.
Make architecture decisions for greenfield systems while balancing performance, reliability, and engineering constraints.
Build and integrate APIs with third-party platforms and external systems.
Design efficient data models and optimize SQL/NoSQL databases, queries, and application performance.
Develop and ship LLM-powered and agentic product features for end users.
Use LLMs and agentic development tools across the software development lifecycle, including design, coding, testing, debugging, and documentation.
Diagnose production issues and take ownership of system reliability and performance.
Establish engineering standards, best practices, and scalable development processes.

Requirements

Mandatory Requirements

6+ years of hands-on Backend Engineering experience with strong production experience in Node.js.
Experience building backend systems for B2C products at meaningful consumer scale.
Proven ownership of end-to-end backend architecture, including greenfield systems.
Strong understanding of API development, service-oriented architecture, data structures, algorithms, and clean coding practices.
Experience designing, developing, and maintaining APIs and backend services, including third-party integrations.
Strong experience with SQL and/or NoSQL databases, data modeling, query optimization, and performance tuning.
Experience in B2C product companies/startups, preferably in WealthTech, FinTech, or high-growth consumer technology.
Proven experience building and shipping LLM-powered products and agentic workflows for end users.
Stable career history with consistent tenures across organizations.
Comfortable working in an early-stage, fast-paced startup with evolving priorities.
Willingness to work from office 6 days a week and take complete ownership of backend engineering.
Comfortable with a compensation structure where the company matches current CTC and provides ESOPs, without a salary hike.
Candidates currently working at Stable Money will not be considered.

Preferred

Strongly AI-native engineering workflow, using LLMs and agentic tools across the SDLC.
Engineering degree from a Tier-1 engineering college.
Previous experience as a Founding Engineer or early-stage technology team member.

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