# Senior Backend Engineer — NovaLexi

Canonical: https://jobxdubai.com/jobs/li-4470139579-senior-backend-engineer
Location: Riyadh, Saudi Arabia
Type: full_time · Level: senior
Monthly salary: AED 41,160 to 68,600 per month (estimated, not employer-stated) (UAE salaries are tax-free)
Posted: 2026-09-25
Apply: https://www.linkedin.com/jobs/view/senior-backend-engineer-at-novalexi-4470139579?_l=en

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## Description

Design and build the platform's backend services and APIs — secure, multi-tenant, and engineered to enterprise, regulator-grade standards for large-scale organisations — using modern AI-assisted workflows to move fast without compromising quality.

What you'll do

• Design and build backend services and the platform's GraphQL API.

• Model complex IP-lifecycle domains (patents, trademarks, renewals, multi-jurisdiction rules).

• Implement multi-tenant data isolation and RBAC.

• Own integrations with external systems (ERP, CRM, PTO APIs).

• Own performance, reliability, and security (SSO/MFA, encryption, secure SDLC) aligned with NCA controls and PDPL.

• Ship fast with AI-assisted development (e.g., Claude Code) and build the AI guardrails — review gates, automated tests, and security checks — that keep that speed safe.

• Reason about the demands of a large-scale, multi-stakeholder programme — scale of operations, non-functional requirements (availability, performance, security), integration surface, and the delivery expectations of an enterprise or government client — and turn them into sound backend decisions.

• Set engineering standards, review code, and mentor other engineers.

• And all responsibilities given by the direct manager.

What we look for

• 8+ years building production backend systems, with proven delivery for large-scale organisations — enterprise or government platforms, high data volumes, and significant integrations or partnerships.

• Able to understand and navigate the complexity of large-scale enterprise and government projects: scale of operations, technical and regulatory requirements, multiple stakeholders, and overall project expectations.

• Deep experience with a modern backend framework — Ruby on Rails strongly preferred.

• Expert with AI coding tools such as Claude Code to ship quickly, with a track record of building AI guardrails so speed never compromises correctness or security.

• Expert relational database design (PostgreSQL) and background processing (e.g., Sidekiq).

• Proven GraphQL API design — schema, resolvers and performance (graphql-ruby preferred) — and secure authentication flows (SSO, MFA).

• Track record delivering enterprise-grade, multi-tenant SaaS at scale, and comfortable with the complexity that comes with it.

• Experience in, or genuine comfort working in, a fast-paced startup environment: self-managed time, adapting to changing priorities, following tasks through, and delivering on short timelines when needed.

• Preferred — experience in government or regulated environments.

• Preferred — familiarity with Google Cloud (Cloud Run, me-central2).

• Preferred — domain exposure to IP or legal technology.

• Preferred — bilingual (Arabic + English).

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## Requirements

What we look for: 8+ years building production backend systems, with proven delivery for large-scale organisations — enterprise or government platforms, high data volumes, and significant integrations or partnerships. Deep experience with a modern backend framework — Ruby on Rails strongly preferred. Expert with AI coding tools such as Claude Code to ship quickly, with a track record of building AI guardrails so speed never compromises correctness or security. Expert relational database design (PostgreSQL) and background processing (e.g., Sidekiq). Proven GraphQL API design — schema, resolvers and performance (graphql-ruby preferred) — and secure authentication flows (SSO, MFA). Track record delivering enterprise-grade, multi-tenant SaaS at scale. Experience in, or genuine comfort working in, a fast-paced startup environment. Preferred — government or regulated environments. Preferred — Google Cloud (Cloud Run, me-central2). Preferred — domain exposure to IP or legal technology. Preferred — bilingual (Arabic + English).

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