Own the evaluation stack by designing and building LLM-as-judge systems.
Calibrate evaluation systems against human labels to ensure quality measurement.
Build per-PR evaluation harnesses and regression detection integrated into CI/CD.
Develop user simulators to generate test coverage and adversarial cases.
Convert production signals into improvement loops for evaluation sets.
Collaborate with product teams to define concrete, measurable quality criteria.
Contribute to agent development and hardening based on evaluation insights.
PythonTypeScriptCI/CD+2 more
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Overview
Salla is a Saudi Arabia-based e-commerce platform that provides a Software as a Service (SaaS) e-commerce solution for small to medium-sized enterprises (SMEs) and entrepreneurs. The platform enables users to establish and manage online stores, offering tools for store creation, product management, inventory management, payment gateway integration, shipping management, marketing, analytics, and automated invoicing. Salla serves the Middle Eastern and North African (MENA) markets, with a focus on Saudi Arabia, and its platform is localized in Arabic. The company was founded in 2016 and has facilitated over $10 billion in e-commerce sales since 2020. Salla serves over 100,000 active merchants and has approximately 1,065 employees worldwide as of March 2026. Salla has raised a total of $141.275 million in funding over six rounds, with the latest funding round of $130 million occurring on March 5, 2024.
Culture
Salla supports remote work, with team members working from various cities across Saudi Arabia. The company uses Cloudflare Access for secure remote access.
Technology
Salla's platform utilizes technologies such as IPhone / Mobile Compatible features, Viewport Meta, SSL by Default, HSTS, Amazon, Font Awesome, LetsEncrypt, Cloudflare CDN, IPv6, and Cloudflare Hosting. The company develops scalable backend services using languages such as PHP, Go, Java, or C#, with PHP and Laravel being preferred. Technical requirements include experience with distributed systems, RESTful API design, integration with third-party platforms and payment providers, SQL (MySQL or PostgreSQL), caching technologies, queues, background workers, and performance optimization. The company also employs automated testing, code reviews, and CI/CD pipelines. Experience with event-driven architectures, distributed messaging systems, Docker, Kubernetes, cloud platforms (AWS, GCP, or Azure), Infrastructure as Code, observability platforms, distributed tracing, metrics, and production monitoring are also relevant. Salla uses AI-assisted development tools.
Why Work Here
Salla supports remote work, with the Senior Backend Engineer - Checkout role being remote and located in Jeddah, Makkah Province, Saudi Arabia.