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LilHorseLab

Optimizes paid content and SEO performance

Senior Backend Developer

Full-TimeUpdated on 10/15/2026
CA$2k - CA$3.5k
Mid, Senior
Buenos Aires, Argentina
Remote
Software EngineeringBackend Engineering

About the job

Requirements
  • At least four years of experience as a Backend Developer using Node.js and the NestJS framework.
  • Experience designing with Domain-Driven Design and Hexagonal Architecture.
  • Deep understanding of Object-Oriented Programming.
  • Proficiency in TypeScript, including class design, interface definitions, and type management.
  • Experience with MongoDB.
  • Proficiency with MySQL or PostgreSQL.
  • Familiarity with API integrations and data-fetching techniques.
  • Experience with build tools such as Webpack or Gulp and version control systems such as Git.
  • Understanding of CI/CD pipelines and deployment processes.
  • Knowledge of Web Content Accessibility Guidelines.
  • English is desirable but not mandatory.
Responsibilities
  • Design and maintain backend applications using Node.js and TypeScript.
  • Implement NoSQL databases such as MongoDB and SQL databases such as MySQL or PostgreSQL.
  • Apply Domain-Driven Design and Hexagonal Architecture.
  • Develop and execute tests using Jest.
  • Optimize backend applications for performance and scalability.
  • Ensure code maintainability, readability, and adherence to coding standards.
  • Collaborate with front-end developers, designers, and product managers to understand requirements and translate them into technical solutions.
  • Integrate backend services with front-end components and third-party APIs.
  • Monitor and troubleshoot production issues to ensure high availability and reliability of backend services.
  • Stay up to date with backend development technologies and trends.
  • Contribute to the development process within an Agile methodology.
  • Apply security best practices throughout development.
  • Design and develop backend services for user authentication, data processing, and billing.
Desired Qualifications
  • Knowledge of AWS EC2 and CI/CD.
  • Experience with Go.
  • Experience designing microservices architecture.
  • Familiarity with containerization technologies such as Docker and orchestration tools such as Kubernetes.
  • Experience with serverless architecture and cloud services.
  • Understanding of security best practices for web applications.

About the company

LilHorseLab optimizes digital content and SEO to boost engagement and lower advertising costs. It uses monthly data-driven testing to promote only the most popular posts, aiming to reduce cost per click. It also performs technical SEO improvements like faster loading times and optimized meta tags and headings for client sites. It serves brands such as Kii Naturals and Reko Pizzelle, earning revenue through service fees, with a goal to grow online engagement while lowering costs.

Company Size

N/A

Company Stage

N/A

Total Funding

N/A

Headquarters

Toronto, Canada

Founded

2020

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Simplify's Take

What believers are saying

  • The site updated August 19, 2026, showing active positioning and fresh marketing.
  • Clutch says Lil Horse has 10-49 employees and $5,000+ engagements, supporting SMB demand.
  • ZoomInfo reports more marketing openings in 2026, indicating growth hiring.

What critics are saying

  • Public revenue stays below $5 million, limiting resilience against client churn.
  • The business depends on agency services, so one lost enterprise client hits quickly.
  • No disclosed funding or product moat leaves Lil Horse exposed to commoditized SEO competition.

What makes LilHorseLab unique

  • Lil Horse blends SEO, branding, software, and AI agents under one boutique agency.
  • It cites Modern Campus work: 320% organic traffic growth and 35% lead gains.
  • Clutch lists 20 reviews and 100% positive feedback, signaling repeatable delivery.

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