Back End Developer

ClanX; India; Remote; INR 11,439,000 - 17,159,000; Full time

Job summary

FunnelStory is seeking an experienced backend engineer to join as a full-time contractor (remote) with a focus on building scalable multi-tenant Go services backed by PostgreSQL. You will own end-to-end features, connect diverse data sources, and design AI-powered workflows that respect auditable records.

You will ship multiple fixes weekly in the initial 30 days and own a major capability within 3–6 months, aligning with customer needs and feedback.

Qualifications

• 8+ years of backend experience in product-based organisations.
• Strong Go production services experience.
• Design PostgreSQL databases and debug queries for performance.
• Experience shipping a customer-facing product using LLMs.
• Owns a service end-to-end including reliability and production issues.
• Translate unclear customer problems into working solutions.
• Regular use of AI tools to build products and write clean, maintainable code.
• Experience working close to users and incorporating feedback.
• Public GitHub/profile/blog is a strong plus.
• Currently employed at a product-based organisation is a must.

Responsibilities

• Build and improve customer-facing features in a multi-tenant Go and PostgreSQL backend.
• Connect data sources like CRMs, conversations, and support systems for reliable account intelligence.
• Build AI workflows that analyse information, take permissioned actions, and maintain auditable records.
• Decide what an LLM should judge and what application code should calculate and store.
• Make workflows safe to rerun and detect drops in output quality.
• Keep features reliable and responsive across workspaces from 100 to 100,000 accounts.
• Support production operations across AWS, Docker, enterprise, and on-premise deployments.
• Learn system by shipping 2–3 fixes/week and 1–2 improvements in first 30 days.
• Within 3–6 months own a major new capability from unclear request to widely used feature.

Skills

Go

PostgreSQL

LLMs

Backend engineering

Customer-facing product

Independent work

AI tools

Users feedback

Public GitHub/blog

Product-based org experience

Tools

AWS

Docker

Job description

• Minimum 8 years of backend engineering experience at product-based organisations, including real startup experience.
• Strong hands-on experience building production services in Go.
• Ability to design PostgreSQL databases, debug queries, and resolve performance issues.
• Experience shipping a customer-facing product that uses LLMs to make judgments, beyond a prototype or demo.
• Experience owning a service or feature end to end, including reliability and production issues.
• Ability to turn unclear customer problems into working solutions independently.
• Regular use of AI tools to build products and write clean, maintainable code.
• Experience working close to users and improving products through customer feedback.
• A public GitHub profile, side project, or technical blog is a strong plus.
• Candidate currently working at a product based organisation is a must.

Responsibilities

• Build and improve customer-facing features in a multi-tenant Go and PostgreSQL backend.
• Connect data sources such as CRMs, conversations, and support systems to produce reliable account intelligence.
• Build AI workflows that analyse information, take permissioned actions, and maintain an auditable record.
• Decide what an LLM should judge and what application code should calculate and store.
• Make workflows safe to rerun and detect drops in output quality.
• Keep features reliable and responsive across workspaces with 100 to 100,000 accounts.
• Support production operations across AWS, Docker, enterprise, and on-premise deployments.
• In the first 30 days, learn the system by shipping 2–3 fixes a week and 1–2 improvements to existing features.
• Within 3–6 months, own a major new capability, from an unclear request to a feature customers use regularly. Potential areas include intelligence pipelines, CSM agents, renewal automation, and expansion signals.
• Location: Remote.
• Employment: You will be employed as a full-time contractor with FunnelStory, a USA-based company. The company will not make any deductions from your agreed compensation.

Interview Process

• 3–4 Technical Rounds: Programming, System Design, and AI Tool Use along with a take-home Assignment