Senior Fullstack Developer (SaaS)

TL;DR

Senior Fullstack Developer (SaaS): Joining a cross-functional product team to own features end-to-end across the full stack, from UI/UX to backend logic, data models, and integrations. Focus on designing APIs, working with databases, and integrating AI agents / workflows.

Location: Fully remote-first work environment with flexible hours.

Company

N.Rich is the Account-Based Go-to-Market Platform best suited for fast-growing mid-market and enterprise companies.

What you will do

• Work across the stack, owning features end-to-end: from UI and user experience to backend logic, data models, and integrations.
• Design APIs.
• Work with databases.
• Take responsibility for production-grade services.
• Help marketing teams run and optimize complex B2B campaigns.

Requirements

• 5+ years of professional experience as a software engineer.
• Strong experience with JavaScript / TypeScript and Node.js on the backend.
• Solid experience working with frontend frameworks (preferably React).
• Strong understanding of SQL, relational databases, and ACID principles.
• Experience building and integrating APIs.
• Fluency in English.

Nice to have

• Experience in advertising, ad-tech, or marketing platforms.
• Experience with event-driven systems.
• Familiarity with CRM integrations (e.g., Salesforce, HubSpot).
• Knowledge of privacy and data-protection concepts relevant to advertising.
• Experience building or integrating AI agents / workflows (e.g. LangGraph, LLM-based systems).
• Fluency in Russian.

Culture & Benefits

• Fully remote-first work environment with flexible hours.
• Opportunity to work on a high-scale B2B SaaS product used by enterprise customers.
• End-to-end ownership of services — from design and implementation to deployment and production support.
• Real autonomy and decision-making power, with the ability to influence technical solutions and product direction.
• Strong engineering culture that values ownership, pragmatism, and impact over rigid processes.