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Fullstack Engineer

Monks

Role overview

Qualifications

  • 5+ years of full stack development experience
  • Strong proficiency with TypeScript, React, NestJS, and Postgres
  • Experience with Docker, Kubernetes, and Helm in production environments
  • In-depth knowledge of OAuth 2.0, including implementation of valid auth flows and SSO

Responsibilities

  • Own end-to-end feature delivery—from UI/UX to API and database design.
  • Build and maintain scalable React interfaces.
  • Architect and implement APIs using NestJS and Postgres.
  • Design and implement secure OAuth 2.0 flows and SSO (Google, Microsoft, etc.)

About the company

Monks logo

Monks

Marketing & Advertising

Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. It delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI to help the world’s trailblazing companies outmaneuver and outpace their competition.

Company details

Company typeXLarge
IndustryMarketing & Advertising
Company size5001 - 10000

Links

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Job description

Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers).

We’re looking for a Senior Full Stack Engineer to join our team. Whether you’re ready to embed with an established squad or help bootstrap a brand-new one, this is an opportunity to build impactful features across the stack with modern tools and a smart, collaborative team. You’ll report to an Engineering Manager and work on real, high-impact initiatives.

Responsibilities:

  • Own end-to-end feature delivery—from UI/UX to API and database design.
  • Build and maintain scalable React interfaces
  • Architect and implement APIs using NestJS and Postgres
  • Manage integrations with external services using internal credential/token management systems
  • Design and implement secure OAuth 2.0 flows and SSO (Google, Microsoft, etc.)
  • Contribute to and maintain our Docker/Kubernetes/Helm-based infrastructure
  • Collaborate with designers, product managers, and engineers across the organization
  • Write clean, maintainable, and well-documented code across the stack

About You

The essentials:

  • 5+ years of full stack development experience
  • Strong proficiency with TypeScript, React, NestJS, and Postgres
  • Comfortable shipping across the entire stack—UI to DB.
  • Experience with monorepo tooling (pnpm, turborepo, nx)
  • Solid understanding of API authentication, credential management, and secure integrations with third-party services
  • In-depth knowledge of OAuth 2.0, including implementation of valid auth flows and SSO
  • Experience working with Docker, Kubernetes, and Helm in production environments
  • Familiarity with domain-driven design or clean architecture patterns

Not a must, but a plus:

  • Experience with infrastructure as code (we use Terraform)
  • Prior work in high-compliance environments (HIPAA, SOC2, etc.)
  • Experience bootstrapping new squads or systems from scratch.
  • AI/ML familiarity—especially implementing tools like LangChain or working with embeddings and RAG pipelines

Location Requirement:

  • This is a remote role, but applicants must be based in Brazil and legally eligible to work in the country.

#LI-VM1

About Monks 

Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact.

 

Monks was named a Contender in The Forrester Wave™: Global Marketing Services, ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization, Monks was also awarded Business Intelligence Group’s 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Monks earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workato’s AI Visionary Customer Impact Award (2024). Additionally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.

 

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us. 

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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